Functional so/libs unit tests

Unit tests to prepare for migration from the codehaus to the fasterxml
implementation of jackson.

Iincreases the code coverage metric from 51% to 70%.

Change-Id: I6338214f3de9df95956b46d4e313d00052eb8692
Issue-ID: SO-1011
Signed-off-by: Rob Daugherty <rd472p@att.com>

43 files changed, 2760 insertions, 983 deletions

diff --git a/keystone-model/pom.xml b/keystone-model/pom.xml
index 0780cc2..406c79b 100644
--- a/keystone-model/pom.xml
+++ b/keystone-model/pom.xml
@@ -14,7 +14,11 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.skyscreamer</groupId>
+			<artifactId>jsonassert</artifactId>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/AccessTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/AccessTest.java
index cd4e80f..c6c3ec5 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/AccessTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/AccessTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,30 +20,147 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Access;
+import com.woorea.openstack.keystone.model.Access.Service;
+import com.woorea.openstack.keystone.model.Access.User;
+import com.woorea.openstack.keystone.model.Token;
+import java.util.List;
+import java.util.Map;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class AccessTest {
 
-    Access access = new Access();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getTokenTest() throws Exception {
-        access.getToken();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"access\" : {" + EOL
+        + "    \"token\" : {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"issued_at\" : 1488024000000," + EOL
+        + "      \"expires\" : 1488628800000," + EOL
+        + "      \"tenant\" : {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"name\" : \"name\"," + EOL
+        + "        \"description\" : \"description\"," + EOL
+        + "        \"enabled\" : false" + EOL
+        + "      }" + EOL
+        + "    }," + EOL
+        + "    \"serviceCatalog\" : [ {" + EOL
+        + "      \"type\" : \"type\"," + EOL
+        + "      \"name\" : \"name\"," + EOL
+        + "      \"endpoints\" : [ {" + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"publicURL\" : \"publicurl\"," + EOL
+        + "        \"internalURL\" : \"internalurl\"," + EOL
+        + "        \"adminURL\" : \"adminurl\"" + EOL
+        + "      }, {" + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"publicURL\" : \"publicurl\"," + EOL
+        + "        \"internalURL\" : \"internalurl\"," + EOL
+        + "        \"adminURL\" : \"adminurl\"" + EOL
+        + "      } ]," + EOL
+        + "      \"endpoints_links\" : [ {" + EOL
+        + "        \"rel\" : \"rel\"," + EOL
+        + "        \"href\" : \"href\"," + EOL
+        + "        \"type\" : \"type\"" + EOL
+        + "      }, {" + EOL
+        + "        \"rel\" : \"rel\"," + EOL
+        + "        \"href\" : \"href\"," + EOL
+        + "        \"type\" : \"type\"" + EOL
+        + "      } ]" + EOL
+        + "    }, {" + EOL
+        + "      \"type\" : \"type\"," + EOL
+        + "      \"name\" : \"name\"," + EOL
+        + "      \"endpoints\" : [ {" + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"publicURL\" : \"publicurl\"," + EOL
+        + "        \"internalURL\" : \"internalurl\"," + EOL
+        + "        \"adminURL\" : \"adminurl\"" + EOL
+        + "      }, {" + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"publicURL\" : \"publicurl\"," + EOL
+        + "        \"internalURL\" : \"internalurl\"," + EOL
+        + "        \"adminURL\" : \"adminurl\"" + EOL
+        + "      } ]," + EOL
+        + "      \"endpoints_links\" : [ {" + EOL
+        + "        \"rel\" : \"rel\"," + EOL
+        + "        \"href\" : \"href\"," + EOL
+        + "        \"type\" : \"type\"" + EOL
+        + "      }, {" + EOL
+        + "        \"rel\" : \"rel\"," + EOL
+        + "        \"href\" : \"href\"," + EOL
+        + "        \"type\" : \"type\"" + EOL
+        + "      } ]" + EOL
+        + "    } ]," + EOL
+        + "    \"user\" : {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"name\" : \"name\"," + EOL
+        + "      \"username\" : \"username\"," + EOL
+        + "      \"roles\" : [ {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"name\" : \"name\"" + EOL
+        + "      }, {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"name\" : \"name\"" + EOL
+        + "      } ]," + EOL
+        + "      \"roles_links\" : [ {" + EOL
+        + "        \"rel\" : \"rel\"," + EOL
+        + "        \"href\" : \"href\"," + EOL
+        + "        \"type\" : \"type\"" + EOL
+        + "      }, {" + EOL
+        + "        \"rel\" : \"rel\"," + EOL
+        + "        \"href\" : \"href\"," + EOL
+        + "        \"type\" : \"type\"" + EOL
+        + "      } ]" + EOL
+        + "    }," + EOL
+        + "    \"metadata\" : {" + EOL
+        + "      \"metadata-k1\" : \"metadata-v1\"," + EOL
+        + "      \"metadata-k2\" : \"metadata-v2\"" + EOL
+        + "    }" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void getServiceCatalogTest() throws Exception {
-        access.getServiceCatalog();
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getUserTest() throws Exception {
-        access.getUser();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Access.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Access access = objectMapper.readValue(JSON_FULL, Access.class);
+        String json = objectMapper.writeValueAsString(access);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void getMetadataTest() throws Exception {
-        access.getMetadata();
+    public void testMethods() throws Exception {
+        Access access = objectMapper.readValue(JSON_FULL, Access.class);
+        access.toString();
+        
+        List<Service> serviceCatalog = access.getServiceCatalog();
+        Assert.assertNotNull(serviceCatalog);
+        Assert.assertEquals(2, serviceCatalog.size());
+        
+        Map<String,Object> metadata = access.getMetadata();
+        Assert.assertNotNull(metadata);
+        Assert.assertEquals(2, metadata.size());
+        
+        User user = access.getUser();
+        Assert.assertNotNull(user);
+        
+        Token token = access.getToken();
+        Assert.assertNotNull(token);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointTest.java
index b832da3..a379617 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,70 +20,75 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Endpoint;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class EndpointTest {
 
-    Endpoint endpoint = new Endpoint();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"endpoint\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"region\" : \"region\"," + EOL
+        + "    \"service_id\" : \"serviceid\"," + EOL
+        + "    \"publicurl\" : \"publicurl\"," + EOL
+        + "    \"internalurl\" : \"internalurl\"," + EOL
+        + "    \"adminurl\" : \"adminurl\"" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getId() throws Exception {
-        endpoint.getId();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Endpoint.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Endpoint endpoint = objectMapper.readValue(JSON_FULL, Endpoint.class);
+        String json = objectMapper.writeValueAsString(endpoint);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setId() throws Exception {
-        endpoint.setId("test");
+    public void testMethods() throws Exception {
+        Endpoint endpoint = objectMapper.readValue(JSON_FULL, Endpoint.class);
+        endpoint.toString();
+        
+        String publicURL = endpoint.getPublicURL();
+        Assert.assertNotNull(publicURL);
+        endpoint.setPublicURL(publicURL);
+        
+        String internalURL = endpoint.getInternalURL();
+        Assert.assertNotNull(internalURL);
+        endpoint.setInternalURL(internalURL);
+        
+        String id = endpoint.getId();
+        Assert.assertNotNull(id);
+        endpoint.setId(id);
+        
+        String region = endpoint.getRegion();
+        Assert.assertNotNull(region);
+        endpoint.setRegion(region);
+        
+        String serviceId = endpoint.getServiceId();
+        Assert.assertNotNull(serviceId);
+        endpoint.setServiceId(serviceId);
+        
+        String adminURL = endpoint.getAdminURL();
+        Assert.assertNotNull(adminURL);
+        endpoint.setAdminURL(adminURL);
     }
-
-    @Test
-    public void getServiceId() throws Exception {
-        endpoint.getServiceId();
-    }
-
-    @Test
-    public void setServiceId() throws Exception {
-        endpoint.setServiceId("test");
-    }
-
-    @Test
-    public void getRegion() throws Exception {
-        endpoint.getRegion();
-    }
-
-    @Test
-    public void setRegion() throws Exception {
-        endpoint.setRegion("region");
-    }
-
-    @Test
-    public void getPublicURL() throws Exception {
-        endpoint.getPublicURL();
-    }
-
-    @Test
-    public void setPublicURL() throws Exception {
-        endpoint.setPublicURL("url");
-    }
-
-    @Test
-    public void getInternalURL() throws Exception {
-        endpoint.getInternalURL();
-    }
-
-    @Test
-    public void setInternalURL() throws Exception {
-        endpoint.setInternalURL("test");
-    }
-
-    @Test
-    public void getAdminURL() throws Exception {
-        endpoint.getAdminURL();
-    }
-
-    @Test
-    public void setAdminURL() throws Exception {
-        endpoint.setAdminURL("admin url");
-    }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointsTest.java
index 8bc2870..a566f0f 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointsTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/EndpointsTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,20 +20,68 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Endpoint;
+import com.woorea.openstack.keystone.model.Endpoints;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class EndpointsTest {
 
-    Endpoints endpoints = new Endpoints();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"endpoints\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"region\" : \"region\"," + EOL
+        + "    \"service_id\" : \"serviceid\"," + EOL
+        + "    \"publicurl\" : \"publicurl\"," + EOL
+        + "    \"internalurl\" : \"internalurl\"," + EOL
+        + "    \"adminurl\" : \"adminurl\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"region\" : \"region\"," + EOL
+        + "    \"service_id\" : \"serviceid\"," + EOL
+        + "    \"publicurl\" : \"publicurl\"," + EOL
+        + "    \"internalurl\" : \"internalurl\"," + EOL
+        + "    \"adminurl\" : \"adminurl\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        endpoints.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Endpoints.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Endpoints endpoints = objectMapper.readValue(JSON_FULL, Endpoints.class);
+        String json = objectMapper.writeValueAsString(endpoints);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        endpoints.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Endpoints endpoints = objectMapper.readValue(JSON_FULL, Endpoints.class);
+        endpoints.toString();
+        
+        List<Endpoint> list = endpoints.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Endpoint x : endpoints) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ErrorTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ErrorTest.java
index 33c0726..357f9c6 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ErrorTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ErrorTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,25 +20,57 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Error;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class ErrorTest {
 
-    Error error = new Error();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getCode() throws Exception {
-        error.getCode();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"error\" : {" + EOL
+        + "    \"code\" : 29," + EOL
+        + "    \"title\" : \"title\"," + EOL
+        + "    \"message\" : \"message\"" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getTitle() throws Exception {
-        error.getTitle();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Error.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Error error = objectMapper.readValue(JSON_FULL, Error.class);
+        String json = objectMapper.writeValueAsString(error);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void getMessage() throws Exception {
-        error.getMessage();
+    public void testMethods() throws Exception {
+        Error error = objectMapper.readValue(JSON_FULL, Error.class);
+        error.toString();
+        
+        Integer code = error.getCode();
+        Assert.assertNotNull(code);
+        
+        String title = error.getTitle();
+        Assert.assertNotNull(title);
+        
+        String message = error.getMessage();
+        Assert.assertNotNull(message);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/LinkTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/LinkTest.java
index 521ad09..a7a20b9 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/LinkTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/LinkTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,25 +20,53 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Link;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class LinkTest {
 
-    Link link = new Link();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getRel() throws Exception {
-        link.getRel();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"rel\" : \"rel\"," + EOL
+        + "  \"href\" : \"href\"," + EOL
+        + "  \"type\" : \"type\"" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getHref() throws Exception {
-        link.getHref();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Link.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Link link = objectMapper.readValue(JSON_FULL, Link.class);
+        String json = objectMapper.writeValueAsString(link);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void getType() throws Exception {
-        link.getType();
+    public void testMethods() throws Exception {
+        Link link = objectMapper.readValue(JSON_FULL, Link.class);
+        link.toString();
+        
+        String rel = link.getRel();
+        Assert.assertNotNull(rel);
+        
+        String href = link.getHref();
+        Assert.assertNotNull(href);
+        
+        String type = link.getType();
+        Assert.assertNotNull(type);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RoleTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RoleTest.java
index 0f7f7f3..b93532c 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RoleTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RoleTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,45 +20,64 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Role;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class RoleTest {
 
-    Role role = new Role();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getId() throws Exception {
-        role.getId();
-    }
-
-    @Test
-    public void getName() throws Exception {
-        role.getName();
-    }
-
-    @Test
-    public void setName() throws Exception {
-        role.setName("name");
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"role\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : \"enabled\"" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void getDescription() throws Exception {
-        role.getDescription();
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void setDescription() throws Exception {
-        role.setDescription("desc");
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Role.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Role role = objectMapper.readValue(JSON_FULL, Role.class);
+        String json = objectMapper.writeValueAsString(role);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void getEnabled() throws Exception {
-        role.getEnabled();
+    public void testMethods() throws Exception {
+        Role role = objectMapper.readValue(JSON_FULL, Role.class);
+        role.toString();
+        
+        String name = role.getName();
+        Assert.assertNotNull(name);
+        role.setName(name);
+        
+        String description = role.getDescription();
+        Assert.assertNotNull(description);
+        role.setDescription(description);
+        
+        String id = role.getId();
+        Assert.assertNotNull(id);
+        
+        String enabled = role.getEnabled();
+        Assert.assertNotNull(enabled);
+        role.setEnabled(enabled);
     }
-
-    @Test
-    public void setEnabled() throws Exception {
-        role.setEnabled("test");
-    }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RolesTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RolesTest.java
index 7656dd6..98a7c79 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RolesTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/RolesTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,20 +20,64 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Role;
+import com.woorea.openstack.keystone.model.Roles;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class RolesTest {
 
-    Roles roles = new Roles();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"roles\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : \"enabled\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : \"enabled\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        roles.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Roles.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Roles roles = objectMapper.readValue(JSON_FULL, Roles.class);
+        String json = objectMapper.writeValueAsString(roles);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        roles.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Roles roles = objectMapper.readValue(JSON_FULL, Roles.class);
+        roles.toString();
+        
+        List<Role> list = roles.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Role x : roles) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServiceTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServiceTest.java
index 03c4f98..e6c8a28 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServiceTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServiceTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,45 +20,64 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Service;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class ServiceTest {
 
-    Service service = new Service();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getId() throws Exception {
-        service.getId();
-    }
-
-    @Test
-    public void getType() throws Exception {
-        service.getType();
-    }
-
-    @Test
-    public void setType() throws Exception {
-        service.setType("type");
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"OS-KSADM:service\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void getName() throws Exception {
-        service.getName();
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void setName() throws Exception {
-        service.setName("name");
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Service.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Service service = objectMapper.readValue(JSON_FULL, Service.class);
+        String json = objectMapper.writeValueAsString(service);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void getDescription() throws Exception {
-        service.getDescription();
+    public void testMethods() throws Exception {
+        Service service = objectMapper.readValue(JSON_FULL, Service.class);
+        service.toString();
+        
+        String name = service.getName();
+        Assert.assertNotNull(name);
+        service.setName(name);
+        
+        String description = service.getDescription();
+        Assert.assertNotNull(description);
+        service.setDescription(description);
+        
+        String id = service.getId();
+        Assert.assertNotNull(id);
+        
+        String type = service.getType();
+        Assert.assertNotNull(type);
+        service.setType(type);
     }
-
-    @Test
-    public void setDescription() throws Exception {
-        service.setDescription("desc");
-    }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServicesTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServicesTest.java
index c095e66..28b7517 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServicesTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/ServicesTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,20 +20,64 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Service;
+import com.woorea.openstack.keystone.model.Services;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class ServicesTest {
 
-    Services services = new Services();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"OS-KSADM:services\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        services.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Services.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Services services = objectMapper.readValue(JSON_FULL, Services.class);
+        String json = objectMapper.writeValueAsString(services);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        services.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Services services = objectMapper.readValue(JSON_FULL, Services.class);
+        services.toString();
+        
+        List<Service> list = services.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Service x : services) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantTest.java
index 9c5b02e..6ce4a11 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,49 +20,65 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Tenant;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class TenantTest {
 
-    Tenant tenant = new Tenant();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getId() throws Exception {
-        tenant.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        tenant.setId("tenantid");
-    }
-
-    @Test
-    public void getName() throws Exception {
-        tenant.getName();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"tenant\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void setName() throws Exception {
-        tenant.setName("test");
-    }
-
-    @Test
-    public void getDescription() throws Exception {
-        tenant.getDescription();
-    }
-
-    @Test
-    public void setDescription() throws Exception {
-        tenant.setDescription("desc");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getEnabled() throws Exception {
-        tenant.getEnabled();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Tenant.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Tenant tenant = objectMapper.readValue(JSON_FULL, Tenant.class);
+        String json = objectMapper.writeValueAsString(tenant);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setEnabled() throws Exception {
-        tenant.setEnabled(true);
+    public void testMethods() throws Exception {
+        Tenant tenant = objectMapper.readValue(JSON_FULL, Tenant.class);
+        tenant.toString();
+        
+        String name = tenant.getName();
+        Assert.assertNotNull(name);
+        tenant.setName(name);
+        
+        String description = tenant.getDescription();
+        Assert.assertNotNull(description);
+        tenant.setDescription(description);
+        
+        String id = tenant.getId();
+        Assert.assertNotNull(id);
+        tenant.setId(id);
+        
+        Boolean enabled = tenant.getEnabled();
+        Assert.assertNotNull(enabled);
+        tenant.setEnabled(enabled);
     }
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantsTest.java
index eb4c2ee..f3d10e3 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantsTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TenantsTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,25 +20,78 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Link;
+import com.woorea.openstack.keystone.model.Tenant;
+import com.woorea.openstack.keystone.model.Tenants;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class TenantsTest {
 
-    Tenants tenants= new Tenants();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getList() throws Exception {
-        tenants.getList();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"tenants\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  } ]," + EOL
+        + "  \"tenants_links\" : [ {" + EOL
+        + "    \"rel\" : \"rel\"," + EOL
+        + "    \"href\" : \"href\"," + EOL
+        + "    \"type\" : \"type\"" + EOL
+        + "  }, {" + EOL
+        + "    \"rel\" : \"rel\"," + EOL
+        + "    \"href\" : \"href\"," + EOL
+        + "    \"type\" : \"type\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getLinks() throws Exception {
-        tenants.getLinks();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Tenants.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Tenants tenants = objectMapper.readValue(JSON_FULL, Tenants.class);
+        String json = objectMapper.writeValueAsString(tenants);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        tenants.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Tenants tenants = objectMapper.readValue(JSON_FULL, Tenants.class);
+        tenants.toString();
+        
+        List<Link> links = tenants.getLinks();
+        Assert.assertNotNull(links);
+        Assert.assertEquals(2, links.size());
+        
+        List<Tenant> list = tenants.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Tenant x : tenants) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TokenTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TokenTest.java
index a9c0d7c..65308b9 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TokenTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/TokenTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,30 +20,64 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.Tenant;
+import com.woorea.openstack.keystone.model.Token;
+import java.util.Calendar;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class TokenTest {
 
-    Token token = new Token();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getId() throws Exception {
-        token.getId();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"id\" : \"id\"," + EOL
+        + "  \"issued_at\" : 1488024000000," + EOL
+        + "  \"expires\" : 1488628800000," + EOL
+        + "  \"tenant\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void getIssued_at() throws Exception {
-        token.getIssued_at();
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getExpires() throws Exception {
-        token.getExpires();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Token.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Token token = objectMapper.readValue(JSON_FULL, Token.class);
+        String json = objectMapper.writeValueAsString(token);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void getTenant() throws Exception {
-        token.getTenant();
+    public void testMethods() throws Exception {
+        Token token = objectMapper.readValue(JSON_FULL, Token.class);
+        token.toString();
+        
+        Calendar expires = token.getExpires();
+        Assert.assertNotNull(expires);
+        
+        String id = token.getId();
+        Assert.assertNotNull(id);
+        
+        Calendar issued_at = token.getIssued_at();
+        Assert.assertNotNull(issued_at);
+        
+        Tenant tenant = token.getTenant();
+        Assert.assertNotNull(tenant);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UserTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UserTest.java
index 7898a76..5669dab 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UserTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UserTest.java
@@ -1,9 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
- * 
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -20,80 +20,80 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.User;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class UserTest {
 
-    User user = new User();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"user\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"username\" : \"username\"," + EOL
+        + "    \"password\" : \"password\"," + EOL
+        + "    \"tenantId\" : \"tenantid\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"email\" : \"email\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getId() throws Exception {
-        user.getId();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + User.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        User user = objectMapper.readValue(JSON_FULL, User.class);
+        String json = objectMapper.writeValueAsString(user);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setId() throws Exception {
-        user.setId("test");
+    public void testMethods() throws Exception {
+        User user = objectMapper.readValue(JSON_FULL, User.class);
+        user.toString();
+        
+        String password = user.getPassword();
+        Assert.assertNotNull(password);
+        user.setPassword(password);
+        
+        String name = user.getName();
+        Assert.assertNotNull(name);
+        user.setName(name);
+        
+        String tenantId = user.getTenantId();
+        Assert.assertNotNull(tenantId);
+        user.setTenantId(tenantId);
+        
+        String id = user.getId();
+        Assert.assertNotNull(id);
+        user.setId(id);
+        
+        String email = user.getEmail();
+        Assert.assertNotNull(email);
+        user.setEmail(email);
+        
+        Boolean enabled = user.getEnabled();
+        Assert.assertNotNull(enabled);
+        user.setEnabled(enabled);
+        
+        String username = user.getUsername();
+        Assert.assertNotNull(username);
+        user.setUsername(username);
     }
-
-    @Test
-    public void getUsername() throws Exception {
-        user.getUsername();
-    }
-
-    @Test
-    public void setUsername() throws Exception {
-        user.setUsername("test");
-    }
-
-    @Test
-    public void getPassword() throws Exception {
-        user.getPassword();
-    }
-
-    @Test
-    public void setPassword() throws Exception {
-        user.setPassword("test");
-    }
-
-    @Test
-    public void getTenantId() throws Exception {
-        user.getTenantId();
-    }
-
-    @Test
-    public void setTenantId() throws Exception {
-        user.setTenantId("test");
-    }
-
-    @Test
-    public void getName() throws Exception {
-        user.getName();
-    }
-
-    @Test
-    public void setName() throws Exception {
-        user.setName("test");
-    }
-
-    @Test
-    public void getEmail() throws Exception {
-        user.getEmail();
-    }
-
-    @Test
-    public void setEmail() throws Exception {
-        user.setEmail("test");
-    }
-
-    @Test
-    public void getEnabled() throws Exception {
-        user.getEnabled();
-    }
-
-    @Test
-    public void setEnabled() throws Exception {
-        user.setEnabled(true);
-    }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UsersTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UsersTest.java
index 8a3f16d..acb96a3 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UsersTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/UsersTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -19,20 +20,70 @@
 
 package com.woorea.openstack.keystone.model;
 
+import com.woorea.openstack.keystone.model.User;
+import com.woorea.openstack.keystone.model.Users;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class UsersTest {
 
-    Users users = new Users();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"users\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"username\" : \"username\"," + EOL
+        + "    \"password\" : \"password\"," + EOL
+        + "    \"tenantId\" : \"tenantid\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"email\" : \"email\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"username\" : \"username\"," + EOL
+        + "    \"password\" : \"password\"," + EOL
+        + "    \"tenantId\" : \"tenantid\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"email\" : \"email\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        users.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Users.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Users users = objectMapper.readValue(JSON_FULL, Users.class);
+        String json = objectMapper.writeValueAsString(users);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        users.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Users users = objectMapper.readValue(JSON_FULL, Users.class);
+        users.toString();
+        
+        List<User> list = users.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") User x : users) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/AccessKeyTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/AccessKeyTest.java
new file mode 100644
index 0000000..413097f
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/AccessKeyTest.java
@@ -0,0 +1,83 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.model.authentication;
+
+import com.woorea.openstack.keystone.model.authentication.AccessKey;
+import com.woorea.openstack.keystone.model.authentication.AccessKey.ApiAccessKeyCredentials;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class AccessKeyTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"auth\" : {" + EOL
+        + "    \"tenantId\" : \"tenantid\"," + EOL
+        + "    \"tenantName\" : \"tenantname\"," + EOL
+        + "    \"apiAccessKeyCredentials\" : {" + EOL
+        + "      \"accessKey\" : \"accesskey\"," + EOL
+        + "      \"secretKey\" : \"secretkey\"" + EOL
+        + "    }" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + AccessKey.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        AccessKey accesskey = objectMapper.readValue(JSON_FULL, AccessKey.class);
+        String json = objectMapper.writeValueAsString(accesskey);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        AccessKey accesskey = objectMapper.readValue(JSON_FULL, AccessKey.class);
+        accesskey.toString();
+        
+        ApiAccessKeyCredentials apiAccessKeyCredentials = accesskey.getApiAccessKeyCredentials();
+        Assert.assertNotNull(apiAccessKeyCredentials);
+        accesskey.setApiAccessKeyCredentials(apiAccessKeyCredentials);
+        
+        String tenantId = accesskey.getTenantId();
+        Assert.assertNotNull(tenantId);
+        accesskey.setTenantId(tenantId);
+        
+        String tenantName = accesskey.getTenantName();
+        Assert.assertNotNull(tenantName);
+        accesskey.setTenantName(tenantName);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/ApiAccessKeyCredentialsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/ApiAccessKeyCredentialsTest.java
new file mode 100644
index 0000000..ae63a61
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/ApiAccessKeyCredentialsTest.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.model.authentication;
+
+import com.woorea.openstack.keystone.model.authentication.AccessKey.ApiAccessKeyCredentials;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class ApiAccessKeyCredentialsTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"accessKey\" : \"accesskey\"," + EOL
+        + "  \"secretKey\" : \"secretkey\"" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + ApiAccessKeyCredentials.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        ApiAccessKeyCredentials apiaccesskeycredentials = objectMapper.readValue(JSON_FULL, ApiAccessKeyCredentials.class);
+        String json = objectMapper.writeValueAsString(apiaccesskeycredentials);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        ApiAccessKeyCredentials apiaccesskeycredentials = objectMapper.readValue(JSON_FULL, ApiAccessKeyCredentials.class);
+        apiaccesskeycredentials.toString();
+        
+        String secretKey = apiaccesskeycredentials.getSecretKey();
+        Assert.assertNotNull(secretKey);
+        apiaccesskeycredentials.setSecretKey(secretKey);
+        
+        String accessKey = apiaccesskeycredentials.getAccessKey();
+        Assert.assertNotNull(accessKey);
+        apiaccesskeycredentials.setAccessKey(accessKey);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/PasswordCredentialsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/PasswordCredentialsTest.java
new file mode 100644
index 0000000..4c71e1c
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/PasswordCredentialsTest.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.model.authentication;
+
+import com.woorea.openstack.keystone.model.authentication.UsernamePassword.PasswordCredentials;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class PasswordCredentialsTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"username\" : \"username\"," + EOL
+        + "  \"password\" : \"password\"" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + PasswordCredentials.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        PasswordCredentials passwordcredentials = objectMapper.readValue(JSON_FULL, PasswordCredentials.class);
+        String json = objectMapper.writeValueAsString(passwordcredentials);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        PasswordCredentials passwordcredentials = objectMapper.readValue(JSON_FULL, PasswordCredentials.class);
+        passwordcredentials.toString();
+        
+        String password = passwordcredentials.getPassword();
+        Assert.assertNotNull(password);
+        passwordcredentials.setPassword(password);
+        
+        String username = passwordcredentials.getUsername();
+        Assert.assertNotNull(username);
+        passwordcredentials.setUsername(username);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/TokenTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/TokenTest.java
new file mode 100644
index 0000000..170f0b4
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/TokenTest.java
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.model.authentication;
+
+import com.woorea.openstack.keystone.model.authentication.TokenAuthentication.Token;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class TokenTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"id\" : \"id\"" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Token.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Token token = objectMapper.readValue(JSON_FULL, Token.class);
+        String json = objectMapper.writeValueAsString(token);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        Token token = objectMapper.readValue(JSON_FULL, Token.class);
+        token.toString();
+        
+        String id = token.getId();
+        Assert.assertNotNull(id);
+        token.setId(id);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/UsernamePasswordTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/UsernamePasswordTest.java
new file mode 100644
index 0000000..ee98274
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/model/authentication/UsernamePasswordTest.java
@@ -0,0 +1,83 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.model.authentication;
+
+import com.woorea.openstack.keystone.model.authentication.UsernamePassword;
+import com.woorea.openstack.keystone.model.authentication.UsernamePassword.PasswordCredentials;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class UsernamePasswordTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"auth\" : {" + EOL
+        + "    \"tenantId\" : \"tenantid\"," + EOL
+        + "    \"tenantName\" : \"tenantname\"," + EOL
+        + "    \"passwordCredentials\" : {" + EOL
+        + "      \"username\" : \"username\"," + EOL
+        + "      \"password\" : \"password\"" + EOL
+        + "    }" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + UsernamePassword.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        UsernamePassword usernamepassword = objectMapper.readValue(JSON_FULL, UsernamePassword.class);
+        String json = objectMapper.writeValueAsString(usernamepassword);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        UsernamePassword usernamepassword = objectMapper.readValue(JSON_FULL, UsernamePassword.class);
+        usernamepassword.toString();
+        
+        PasswordCredentials passwordCredentials = usernamepassword.getPasswordCredentials();
+        Assert.assertNotNull(passwordCredentials);
+        usernamepassword.setPasswordCredentials(passwordCredentials);
+        
+        String tenantId = usernamepassword.getTenantId();
+        Assert.assertNotNull(tenantId);
+        usernamepassword.setTenantId(tenantId);
+        
+        String tenantName = usernamepassword.getTenantName();
+        Assert.assertNotNull(tenantName);
+        usernamepassword.setTenantName(tenantName);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/AuthenticationTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/AuthenticationTest.java
index ec3d138..31a1099 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/AuthenticationTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/AuthenticationTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,32 +17,85 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Authentication;
+import com.woorea.openstack.keystone.v3.model.Authentication.Identity;
+import com.woorea.openstack.keystone.v3.model.Authentication.Scope;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class AuthenticationTest {
 
-    Authentication authentication = new Authentication();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getIdentity() throws Exception {
-        authentication.getIdentity();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"auth\" : {" + EOL
+        + "    \"identity\" : {" + EOL
+        + "      \"methods\" : [ \"methods-v1\", \"methods-v2\" ]," + EOL
+        + "      \"password\" : {" + EOL
+        + "        \"user\" : {" + EOL
+        + "          \"domain\" : {" + EOL
+        + "            \"id\" : \"id\"," + EOL
+        + "            \"name\" : \"name\"" + EOL
+        + "          }," + EOL
+        + "          \"id\" : \"id\"," + EOL
+        + "          \"name\" : \"name\"," + EOL
+        + "          \"password\" : \"password\"" + EOL
+        + "        }" + EOL
+        + "      }," + EOL
+        + "      \"token\" : {" + EOL
+        + "        \"id\" : \"id\"" + EOL
+        + "      }" + EOL
+        + "    }," + EOL
+        + "    \"scope\" : {" + EOL
+        + "      \"project\" : {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"domain\" : {" + EOL
+        + "          \"id\" : \"id\"," + EOL
+        + "          \"name\" : \"name\"" + EOL
+        + "        }," + EOL
+        + "        \"name\" : \"name\"" + EOL
+        + "      }" + EOL
+        + "    }" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void setIdentity() throws Exception {
-        authentication.setIdentity(new Authentication.Identity());
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getScope() throws Exception {
-        authentication.getScope();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Authentication.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Authentication authentication = objectMapper.readValue(JSON_FULL, Authentication.class);
+        String json = objectMapper.writeValueAsString(authentication);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setScope() throws Exception {
-        authentication.setScope(new Authentication.Scope());
+    public void testMethods() throws Exception {
+        Authentication authentication = objectMapper.readValue(JSON_FULL, Authentication.class);
+        authentication.toString();
+        
+        Identity identity = authentication.getIdentity();
+        Assert.assertNotNull(identity);
+        authentication.setIdentity(identity);
+        
+        Scope scope = authentication.getScope();
+        Assert.assertNotNull(scope);
+        authentication.setScope(scope);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialTest.java
index be5740f..b0c75b2 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialTest.java
@@ -1,7 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -15,64 +17,78 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Credential;
+import java.util.Map;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
-
-import java.util.HashMap;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class CredentialTest {
 
-    Credential credential = new Credential();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getId() throws Exception {
-        credential.getId();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"credential\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"projectId\" : \"projectid\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"userId\" : \"userid\"," + EOL
+        + "    \"blob\" : {" + EOL
+        + "      \"blob-k1\" : \"blob-v1\"," + EOL
+        + "      \"blob-k2\" : \"blob-v2\"" + EOL
+        + "    }" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void setId() throws Exception {
-        credential.setId("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getProjectId() throws Exception {
-        credential.getProjectId();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Credential.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Credential credential = objectMapper.readValue(JSON_FULL, Credential.class);
+        String json = objectMapper.writeValueAsString(credential);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setProjectId() throws Exception {
-        credential.setProjectId("test");
+    public void testMethods() throws Exception {
+        Credential credential = objectMapper.readValue(JSON_FULL, Credential.class);
+        credential.toString();
+        
+        Map<String,String> blob = credential.getBlob();
+        Assert.assertNotNull(blob);
+        Assert.assertEquals(2, blob.size());
+        credential.setBlob(blob);
+        
+        String id = credential.getId();
+        Assert.assertNotNull(id);
+        credential.setId(id);
+        
+        String type = credential.getType();
+        Assert.assertNotNull(type);
+        credential.setType(type);
+        
+        String userId = credential.getUserId();
+        Assert.assertNotNull(userId);
+        credential.setUserId(userId);
+        
+        String projectId = credential.getProjectId();
+        Assert.assertNotNull(projectId);
+        credential.setProjectId(projectId);
     }
-
-    @Test
-    public void getType() throws Exception {
-        credential.getType();
-    }
-
-    @Test
-    public void setType() throws Exception {
-        credential.setType("test");
-    }
-
-    @Test
-    public void getUserId() throws Exception {
-        credential.getUserId();
-    }
-
-    @Test
-    public void setUserId() throws Exception {
-        credential.setUserId("test");
-    }
-
-    @Test
-    public void getBlob() throws Exception {
-        credential.getBlob();
-    }
-
-    @Test
-    public void setBlob() throws Exception {
-        credential.setBlob(new HashMap<String, String>());
-    }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialsTest.java
index a14ab9b..a158efb 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialsTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/CredentialsTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,21 +17,75 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Credential;
+import com.woorea.openstack.keystone.v3.model.Credentials;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class CredentialsTest {
 
-    Credentials credentials = new Credentials();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"credentials\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"projectId\" : \"projectid\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"userId\" : \"userid\"," + EOL
+        + "    \"blob\" : {" + EOL
+        + "      \"blob-k1\" : \"blob-v1\"," + EOL
+        + "      \"blob-k2\" : \"blob-v2\"" + EOL
+        + "    }" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"projectId\" : \"projectid\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"userId\" : \"userid\"," + EOL
+        + "    \"blob\" : {" + EOL
+        + "      \"blob-k1\" : \"blob-v1\"," + EOL
+        + "      \"blob-k2\" : \"blob-v2\"" + EOL
+        + "    }" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        credentials.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Credentials.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Credentials credentials = objectMapper.readValue(JSON_FULL, Credentials.class);
+        String json = objectMapper.writeValueAsString(credentials);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        credentials.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Credentials credentials = objectMapper.readValue(JSON_FULL, Credentials.class);
+        credentials.toString();
+        
+        List<Credential> list = credentials.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Credential x : credentials) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainTest.java
index 7741a41..f4e75c3 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,52 +17,54 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Token.Domain;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class DomainTest {
 
-    Domain domain = new Domain();
-
-    @Test
-    public void getId() throws Exception {
-        domain.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        domain.setId("test");
-    }
-
-    @Test
-    public void getName() throws Exception {
-        domain.getName();
-    }
-
-    @Test
-    public void setName() throws Exception {
-        domain.setName("test");
-    }
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getDescription() throws Exception {
-        domain.getDescription();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"id\" : \"id\"," + EOL
+        + "  \"name\" : \"name\"" + EOL
+        + "}";
 
-    @Test
-    public void setDescription() throws Exception {
-        domain.setDescription("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getEnabled() throws Exception {
-        domain.getEnabled();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Domain.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Domain domain = objectMapper.readValue(JSON_FULL, Domain.class);
+        String json = objectMapper.writeValueAsString(domain);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setEnabled() throws Exception {
-        domain.setEnabled(true);
+    public void testMethods() throws Exception {
+        Domain domain = objectMapper.readValue(JSON_FULL, Domain.class);
+        domain.toString();
+        
+        String name = domain.getName();
+        Assert.assertNotNull(name);
+        domain.setName(name);
+        
+        String id = domain.getId();
+        Assert.assertNotNull(id);
+        domain.setId(id);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainsTest.java
index aa8ff41..ee694d5 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainsTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/DomainsTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,22 +17,67 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Domain;
+import com.woorea.openstack.keystone.v3.model.Domains;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class DomainsTest {
 
-    Domains domains = new Domains();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"domains\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        domains.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Domains.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Domains domains = objectMapper.readValue(JSON_FULL, Domains.class);
+        String json = objectMapper.writeValueAsString(domains);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        domains.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Domains domains = objectMapper.readValue(JSON_FULL, Domains.class);
+        domains.toString();
+        
+        List<Domain> list = domains.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Domain x : domains) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointTest.java
index 9a52223..75a4441 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,52 +17,74 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Token.Service.Endpoint;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class EndpointTest {
 
-    Endpoint endpoint = new Endpoint();
-
-    @Test
-    public void getId() throws Exception {
-        endpoint.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        endpoint.setId("test");
-    }
-
-    @Test
-    public void getInterface() throws Exception {
-        endpoint.getInterface();
-    }
-
-    @Test
-    public void setInterface() throws Exception {
-        endpoint.setInterface("test");
-    }
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getName() throws Exception {
-        endpoint.getName();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"id\" : \"id\"," + EOL
+        + "  \"url\" : \"url\"," + EOL
+        + "  \"region\" : \"region\"," + EOL
+        + "  \"enabled\" : false," + EOL
+        + "  \"interface\" : \"interface\"," + EOL
+        + "  \"legacy_endpoint_id\" : \"legacyendpointid\"" + EOL
+        + "}";
 
-    @Test
-    public void setName() throws Exception {
-        endpoint.setName("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getServiceId() throws Exception {
-        endpoint.getServiceId();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Endpoint.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Endpoint endpoint = objectMapper.readValue(JSON_FULL, Endpoint.class);
+        String json = objectMapper.writeValueAsString(endpoint);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setServiceId() throws Exception {
-        endpoint.setServiceId("test");
+    public void testMethods() throws Exception {
+        Endpoint endpoint = objectMapper.readValue(JSON_FULL, Endpoint.class);
+        endpoint.toString();
+        
+        String legacyEndpointId = endpoint.getLegacyEndpointId();
+        Assert.assertNotNull(legacyEndpointId);
+        endpoint.setLegacyEndpointId(legacyEndpointId);
+        
+        String id = endpoint.getId();
+        Assert.assertNotNull(id);
+        endpoint.setId(id);
+        
+        String region = endpoint.getRegion();
+        Assert.assertNotNull(region);
+        endpoint.setRegion(region);
+        
+        String interfaceProperty = endpoint.getInterface();
+        Assert.assertNotNull(interfaceProperty);
+        endpoint.setInterface(interfaceProperty);
+        
+        String url = endpoint.getUrl();
+        Assert.assertNotNull(url);
+        endpoint.setUrl(url);
+        
+        Boolean enabled = endpoint.getEnabled();
+        Assert.assertNotNull(enabled);
+        endpoint.setEnabled(enabled);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointsTest.java
index 4f6a4a9..8002b1c 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointsTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/EndpointsTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,22 +17,67 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Endpoint;
+import com.woorea.openstack.keystone.v3.model.Endpoints;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class EndpointsTest {
 
-    Endpoints endpoints = new Endpoints();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"endpoints\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"interface\" : \"interface\"," + EOL
+        + "    \"service_id\" : \"serviceid\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"interface\" : \"interface\"," + EOL
+        + "    \"service_id\" : \"serviceid\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        endpoints.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Endpoints.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Endpoints endpoints = objectMapper.readValue(JSON_FULL, Endpoints.class);
+        String json = objectMapper.writeValueAsString(endpoints);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        endpoints.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Endpoints endpoints = objectMapper.readValue(JSON_FULL, Endpoints.class);
+        endpoints.toString();
+        
+        List<Endpoint> list = endpoints.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Endpoint x : endpoints) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupTest.java
index 76a3dd9..75fc901 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,52 +17,68 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Group;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class GroupTest {
 
-    Group group = new Group();
-
-    @Test
-    public void getId() throws Exception {
-        group.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        group.setId("test");
-    }
-
-    @Test
-    public void getDomainId() throws Exception {
-        group.getDomainId();
-    }
-
-    @Test
-    public void setDomainId() throws Exception {
-        group.setDomainId("test");
-    }
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getName() throws Exception {
-        group.getName();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"group\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"domain_id\" : \"domainid\"" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void setName() throws Exception {
-        group.setName("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getDescription() throws Exception {
-        group.getDescription();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Group.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Group group = objectMapper.readValue(JSON_FULL, Group.class);
+        String json = objectMapper.writeValueAsString(group);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setDescription() throws Exception {
-        group.setDescription("test");
+    public void testMethods() throws Exception {
+        Group group = objectMapper.readValue(JSON_FULL, Group.class);
+        group.toString();
+        
+        String name = group.getName();
+        Assert.assertNotNull(name);
+        group.setName(name);
+        
+        String description = group.getDescription();
+        Assert.assertNotNull(description);
+        group.setDescription(description);
+        
+        String id = group.getId();
+        Assert.assertNotNull(id);
+        group.setId(id);
+        
+        String domainId = group.getDomainId();
+        Assert.assertNotNull(domainId);
+        group.setDomainId(domainId);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupsTest.java
index 3f399fd..c16c25a 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupsTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/GroupsTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,21 +17,67 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Group;
+import com.woorea.openstack.keystone.v3.model.Groups;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class GroupsTest {
 
-    Groups groups = new Groups();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"groups\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"domain_id\" : \"domainid\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"domain_id\" : \"domainid\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        groups.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Groups.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Groups groups = objectMapper.readValue(JSON_FULL, Groups.class);
+        String json = objectMapper.writeValueAsString(groups);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        groups.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Groups groups = objectMapper.readValue(JSON_FULL, Groups.class);
+        groups.toString();
+        
+        List<Group> list = groups.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Group x : groups) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/IdentityTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/IdentityTest.java
new file mode 100644
index 0000000..ba55e8b
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/IdentityTest.java
@@ -0,0 +1,91 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.v3.model;
+
+import com.woorea.openstack.keystone.v3.model.Authentication.Identity;
+import com.woorea.openstack.keystone.v3.model.Authentication.Identity.Password;
+import com.woorea.openstack.keystone.v3.model.Authentication.Identity.Token;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class IdentityTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"methods\" : [ \"methods-v1\", \"methods-v2\" ]," + EOL
+        + "  \"password\" : {" + EOL
+        + "    \"user\" : {" + EOL
+        + "      \"domain\" : {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"name\" : \"name\"" + EOL
+        + "      }," + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"name\" : \"name\"," + EOL
+        + "      \"password\" : \"password\"" + EOL
+        + "    }" + EOL
+        + "  }," + EOL
+        + "  \"token\" : {" + EOL
+        + "    \"id\" : \"id\"" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Identity.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Identity identity = objectMapper.readValue(JSON_FULL, Identity.class);
+        String json = objectMapper.writeValueAsString(identity);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        Identity identity = objectMapper.readValue(JSON_FULL, Identity.class);
+        identity.toString();
+        
+        Password password = identity.getPassword();
+        Assert.assertNotNull(password);
+        identity.setPassword(password);
+        
+        List<String> methods = identity.getMethods();
+        Assert.assertNotNull(methods);
+        Assert.assertEquals(2, methods.size());
+        identity.setMethods(methods);
+        
+        Token token = identity.getToken();
+        Assert.assertNotNull(token);
+        identity.setToken(token);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PasswordTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PasswordTest.java
new file mode 100644
index 0000000..d1230e2
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PasswordTest.java
@@ -0,0 +1,74 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.v3.model;
+
+import com.woorea.openstack.keystone.v3.model.Authentication.Identity.Password;
+import com.woorea.openstack.keystone.v3.model.Authentication.Identity.Password.User;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class PasswordTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"user\" : {" + EOL
+        + "    \"domain\" : {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"name\" : \"name\"" + EOL
+        + "    }," + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"password\" : \"password\"" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Password.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Password password = objectMapper.readValue(JSON_FULL, Password.class);
+        String json = objectMapper.writeValueAsString(password);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        Password password = objectMapper.readValue(JSON_FULL, Password.class);
+        password.toString();
+        
+        User user = password.getUser();
+        Assert.assertNotNull(user);
+        password.setUser(user);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PoliciesTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PoliciesTest.java
index ce0a224..a3e8a8a 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PoliciesTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PoliciesTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,22 +17,75 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Policies;
+import com.woorea.openstack.keystone.v3.model.Policy;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class PoliciesTest {
 
-    Policies policies = new Policies();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"policies\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"projectId\" : \"projectid\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"userId\" : \"userid\"," + EOL
+        + "    \"blob\" : {" + EOL
+        + "      \"blob-k1\" : \"blob-v1\"," + EOL
+        + "      \"blob-k2\" : \"blob-v2\"" + EOL
+        + "    }" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"projectId\" : \"projectid\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"userId\" : \"userid\"," + EOL
+        + "    \"blob\" : {" + EOL
+        + "      \"blob-k1\" : \"blob-v1\"," + EOL
+        + "      \"blob-k2\" : \"blob-v2\"" + EOL
+        + "    }" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        policies.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Policies.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Policies policies = objectMapper.readValue(JSON_FULL, Policies.class);
+        String json = objectMapper.writeValueAsString(policies);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        policies.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Policies policies = objectMapper.readValue(JSON_FULL, Policies.class);
+        policies.toString();
+        
+        List<Policy> list = policies.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Policy x : policies) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PolicyTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PolicyTest.java
index 3062c64..2aae601 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PolicyTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/PolicyTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,64 +17,78 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Policy;
+import java.util.Map;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
-
-import java.util.HashMap;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class PolicyTest {
 
-    Policy policy = new Policy();
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getId() throws Exception {
-        policy.getId();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"policy\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"projectId\" : \"projectid\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"userId\" : \"userid\"," + EOL
+        + "    \"blob\" : {" + EOL
+        + "      \"blob-k1\" : \"blob-v1\"," + EOL
+        + "      \"blob-k2\" : \"blob-v2\"" + EOL
+        + "    }" + EOL
+        + "  }" + EOL
+        + "}";
 
-    @Test
-    public void setId() throws Exception {
-        policy.setId("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getProjectId() throws Exception {
-        policy.getProjectId();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Policy.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Policy policy = objectMapper.readValue(JSON_FULL, Policy.class);
+        String json = objectMapper.writeValueAsString(policy);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setProjectId() throws Exception {
-        policy.setProjectId("test");
+    public void testMethods() throws Exception {
+        Policy policy = objectMapper.readValue(JSON_FULL, Policy.class);
+        policy.toString();
+        
+        Map<String,String> blob = policy.getBlob();
+        Assert.assertNotNull(blob);
+        Assert.assertEquals(2, blob.size());
+        policy.setBlob(blob);
+        
+        String id = policy.getId();
+        Assert.assertNotNull(id);
+        policy.setId(id);
+        
+        String type = policy.getType();
+        Assert.assertNotNull(type);
+        policy.setType(type);
+        
+        String userId = policy.getUserId();
+        Assert.assertNotNull(userId);
+        policy.setUserId(userId);
+        
+        String projectId = policy.getProjectId();
+        Assert.assertNotNull(projectId);
+        policy.setProjectId(projectId);
     }
-
-    @Test
-    public void getType() throws Exception {
-        policy.getType();
-    }
-
-    @Test
-    public void setType() throws Exception {
-        policy.setType("test");
-    }
-
-    @Test
-    public void getUserId() throws Exception {
-        policy.getUserId();
-    }
-
-    @Test
-    public void setUserId() throws Exception {
-        policy.setUserId("test");
-    }
-
-    @Test
-    public void getBlob() throws Exception {
-        policy.getBlob();
-    }
-
-    @Test
-    public void setBlob() throws Exception {
-        policy.setBlob(new HashMap<String, String>());
-    }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectTest.java
index 0a9ee02..80b4122 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,52 +17,63 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Token.Domain;
+import com.woorea.openstack.keystone.v3.model.Token.Project;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class ProjectTest {
 
-    Project project = new Project();
-
-    @Test
-    public void getId() throws Exception {
-        project.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        project.setId("test");
-    }
-
-    @Test
-    public void getDomainId() throws Exception {
-        project.getDomainId();
-    }
-
-    @Test
-    public void setDomainId() throws Exception {
-        project.setDomainId("test");
-    }
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getName() throws Exception {
-        project.getName();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"domain\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"" + EOL
+        + "  }," + EOL
+        + "  \"id\" : \"id\"," + EOL
+        + "  \"name\" : \"name\"" + EOL
+        + "}";
 
-    @Test
-    public void setName() throws Exception {
-        project.setName("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getEnabled() throws Exception {
-        project.getEnabled();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Project.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Project project = objectMapper.readValue(JSON_FULL, Project.class);
+        String json = objectMapper.writeValueAsString(project);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setEnabled() throws Exception {
-        project.setEnabled(true);
+    public void testMethods() throws Exception {
+        Project project = objectMapper.readValue(JSON_FULL, Project.class);
+        project.toString();
+        
+        Domain domain = project.getDomain();
+        Assert.assertNotNull(domain);
+        project.setDomain(domain);
+        
+        String name = project.getName();
+        Assert.assertNotNull(name);
+        project.setName(name);
+        
+        String id = project.getId();
+        Assert.assertNotNull(id);
+        project.setId(id);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectsTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectsTest.java
index f4732b2..6ab1c88 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectsTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ProjectsTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,22 +17,67 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Project;
+import com.woorea.openstack.keystone.v3.model.Projects;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class ProjectsTest {
 
-    Projects projects = new Projects();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"projects\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"enabled\" : false," + EOL
+        + "    \"domain_id\" : \"domainid\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"enabled\" : false," + EOL
+        + "    \"domain_id\" : \"domainid\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        projects.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Projects.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Projects projects = objectMapper.readValue(JSON_FULL, Projects.class);
+        String json = objectMapper.writeValueAsString(projects);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        projects.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Projects projects = objectMapper.readValue(JSON_FULL, Projects.class);
+        projects.toString();
+        
+        List<Project> list = projects.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Project x : projects) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RoleTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RoleTest.java
index d1c0c43..189205e 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RoleTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RoleTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,47 +17,43 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Token.Role;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class RoleTest {
 
-    Role role = new Role();
-
-    @Test
-    public void getId() throws Exception {
-        role.getId();
-    }
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getName() throws Exception {
-        role.getName();
-    }
+    private static final String JSON_FULL = "{ }";
 
-    @Test
-    public void setName() throws Exception {
-        role.setName("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getDescription() throws Exception {
-        role.getDescription();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Role.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Role role = objectMapper.readValue(JSON_FULL, Role.class);
+        String json = objectMapper.writeValueAsString(role);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setDescription() throws Exception {
-        role.setDescription("test");
+    public void testMethods() throws Exception {
+        Role role = objectMapper.readValue(JSON_FULL, Role.class);
+        role.toString();
     }
-
-    @Test
-    public void getEnabled() throws Exception {
-        role.getEnabled();
-    }
-
-    @Test
-    public void setEnabled() throws Exception {
-        role.setEnabled("test");
-    }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RolesTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RolesTest.java
index a18efb3..6ee1b2c 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RolesTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/RolesTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,22 +17,67 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Role;
+import com.woorea.openstack.keystone.v3.model.Roles;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class RolesTest {
 
-    Roles roles = new Roles();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"roles\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : \"enabled\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : \"enabled\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        roles.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Roles.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Roles roles = objectMapper.readValue(JSON_FULL, Roles.class);
+        String json = objectMapper.writeValueAsString(roles);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        roles.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Roles roles = objectMapper.readValue(JSON_FULL, Roles.class);
+        roles.toString();
+        
+        List<Role> list = roles.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Role x : roles) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ScopeTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ScopeTest.java
new file mode 100644
index 0000000..3f3708b
--- /dev/null
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ScopeTest.java
@@ -0,0 +1,73 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package com.woorea.openstack.keystone.v3.model;
+
+import com.woorea.openstack.keystone.v3.model.Authentication.Scope;
+import com.woorea.openstack.keystone.v3.model.Authentication.Scope.Project;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
+
+public class ScopeTest {
+
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"project\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"domain\" : {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"name\" : \"name\"" + EOL
+        + "    }," + EOL
+        + "    \"name\" : \"name\"" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Scope.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Scope scope = objectMapper.readValue(JSON_FULL, Scope.class);
+        String json = objectMapper.writeValueAsString(scope);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        Scope scope = objectMapper.readValue(JSON_FULL, Scope.class);
+        scope.toString();
+        
+        Project project = scope.getProject();
+        Assert.assertNotNull(project);
+        scope.setProject(project);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServiceTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServiceTest.java
index fbdc411..31430de 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServiceTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServiceTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,52 +17,76 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Token.Service;
+import com.woorea.openstack.keystone.v3.model.Token.Service.Endpoint;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class ServiceTest {
 
-    Service service = new Service();
-
-    @Test
-    public void getId() throws Exception {
-        service.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        service.setId("test");
-    }
-
-    @Test
-    public void getType() throws Exception {
-        service.getType();
-    }
-
-    @Test
-    public void setType() throws Exception {
-        service.setType("test");
-    }
+    private static final String EOL = System.lineSeparator();
 
-    @Test
-    public void getName() throws Exception {
-        service.getName();
-    }
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"id\" : \"id\"," + EOL
+        + "  \"type\" : \"type\"," + EOL
+        + "  \"endpoints\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"url\" : \"url\"," + EOL
+        + "    \"region\" : \"region\"," + EOL
+        + "    \"enabled\" : false," + EOL
+        + "    \"interface\" : \"interface\"," + EOL
+        + "    \"legacy_endpoint_id\" : \"legacyendpointid\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"url\" : \"url\"," + EOL
+        + "    \"region\" : \"region\"," + EOL
+        + "    \"enabled\" : false," + EOL
+        + "    \"interface\" : \"interface\"," + EOL
+        + "    \"legacy_endpoint_id\" : \"legacyendpointid\"" + EOL
+        + "  } ]" + EOL
+        + "}";
 
-    @Test
-    public void setName() throws Exception {
-        service.setName("test");
-    }
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getDescription() throws Exception {
-        service.getDescription();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Service.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Service service = objectMapper.readValue(JSON_FULL, Service.class);
+        String json = objectMapper.writeValueAsString(service);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
     @Test
-    public void setDescription() throws Exception {
-        service.setDescription("test");
+    public void testMethods() throws Exception {
+        Service service = objectMapper.readValue(JSON_FULL, Service.class);
+        service.toString();
+        
+        List<Endpoint> endpoints = service.getEndpoints();
+        Assert.assertNotNull(endpoints);
+        Assert.assertEquals(2, endpoints.size());
+        service.setEndpoints(endpoints);
+        
+        String id = service.getId();
+        Assert.assertNotNull(id);
+        service.setId(id);
+        
+        String type = service.getType();
+        Assert.assertNotNull(type);
+        service.setType(type);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServicesTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServicesTest.java
index f9d19cd..28246c6 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServicesTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/ServicesTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,22 +17,67 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.model.Service;
+import com.woorea.openstack.keystone.v3.model.Services;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class ServicesTest {
 
-    Services services = new Services();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"services\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"type\" : \"type\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"description\" : \"description\"" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        services.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Services.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Services services = objectMapper.readValue(JSON_FULL, Services.class);
+        String json = objectMapper.writeValueAsString(services);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        services.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Services services = objectMapper.readValue(JSON_FULL, Services.class);
+        services.toString();
+        
+        List<Service> list = services.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") Service x : services) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/TokenTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/TokenTest.java
index c8d009b..aabcfb7 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/TokenTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/TokenTest.java
@@ -1,9 +1,9 @@
 /*-
-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -17,107 +17,152 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-package com.woorea.openstack.keystone.v3.model;
 
-import org.junit.Test;
+package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.Token;
+import com.woorea.openstack.keystone.v3.model.Token.Domain;
+import com.woorea.openstack.keystone.v3.model.Token.Project;
+import com.woorea.openstack.keystone.v3.model.Token.Role;
+import com.woorea.openstack.keystone.v3.model.Token.Service;
+import com.woorea.openstack.keystone.v3.model.Token.User;
 import java.util.Calendar;
-import java.util.Collections;
-import java.util.GregorianCalendar;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
+import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class TokenTest {
 
-    Token token = new Token();
-
-    @Test
-    public void getId() throws Exception {
-        token.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        token.setId("test");
-    }
-
-    @Test
-    public void getExpiresAt() throws Exception {
-        token.getExpiresAt();
-    }
-
-    @Test
-    public void setExpiresAt() throws Exception {
-        Calendar calendar = new GregorianCalendar();
-        token.setExpiresAt(calendar);
-    }
-
-    @Test
-    public void getIssuedAt() throws Exception {
-        token.getIssuedAt();
-    }
-
-    @Test
-    public void setIssuedAt() throws Exception {
-        token.setIssuedAt(new GregorianCalendar());
-    }
-
-    @Test
-    public void getMethods() throws Exception {
-        token.getMethods();
-    }
-
-    @Test
-    public void setMethods() throws Exception {
-        token.setMethods(Collections.<String>emptyList());
-    }
-
-    @Test
-    public void getDomain() throws Exception {
-        token.getDomain();
-    }
-
-    @Test
-    public void setDomain() throws Exception {
-        token.setDomain(new Token.Domain());
-    }
-
-    @Test
-    public void getProject() throws Exception {
-        token.getProject();
-    }
-
-    @Test
-    public void setProject() throws Exception {
-        token.setProject(new Token.Project());
-    }
-
-    @Test
-    public void getUser() throws Exception {
-        token.getUser();
-    }
-
-    @Test
-    public void setUser() throws Exception {
-        token.setUser(new Token.User());
-    }
-
-    @Test
-    public void getRoles() throws Exception {
-        token.getRoles();
-    }
-
-    @Test
-    public void setRoles() throws Exception {
-        token.setRoles(Collections.<Token.Role>emptyList());
-    }
-
-    @Test
-    public void getCatalog() throws Exception {
-        token.getCatalog();
-    }
-
-    @Test
-    public void setCatalog() throws Exception {
-        token.setCatalog(Collections.<Token.Service>emptyList());
-    }
-
-}
\ No newline at end of file
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"token\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"methods\" : [ \"methods-v1\", \"methods-v2\" ]," + EOL
+        + "    \"domain\" : {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"name\" : \"name\"" + EOL
+        + "    }," + EOL
+        + "    \"project\" : {" + EOL
+        + "      \"domain\" : {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"name\" : \"name\"" + EOL
+        + "      }," + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"name\" : \"name\"" + EOL
+        + "    }," + EOL
+        + "    \"user\" : {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"name\" : \"name\"" + EOL
+        + "    }," + EOL
+        + "    \"roles\" : [ { }, { } ]," + EOL
+        + "    \"catalog\" : [ {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"type\" : \"type\"," + EOL
+        + "      \"endpoints\" : [ {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"url\" : \"url\"," + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"enabled\" : false," + EOL
+        + "        \"interface\" : \"interface\"," + EOL
+        + "        \"legacy_endpoint_id\" : \"legacyendpointid\"" + EOL
+        + "      }, {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"url\" : \"url\"," + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"enabled\" : false," + EOL
+        + "        \"interface\" : \"interface\"," + EOL
+        + "        \"legacy_endpoint_id\" : \"legacyendpointid\"" + EOL
+        + "      } ]" + EOL
+        + "    }, {" + EOL
+        + "      \"id\" : \"id\"," + EOL
+        + "      \"type\" : \"type\"," + EOL
+        + "      \"endpoints\" : [ {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"url\" : \"url\"," + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"enabled\" : false," + EOL
+        + "        \"interface\" : \"interface\"," + EOL
+        + "        \"legacy_endpoint_id\" : \"legacyendpointid\"" + EOL
+        + "      }, {" + EOL
+        + "        \"id\" : \"id\"," + EOL
+        + "        \"url\" : \"url\"," + EOL
+        + "        \"region\" : \"region\"," + EOL
+        + "        \"enabled\" : false," + EOL
+        + "        \"interface\" : \"interface\"," + EOL
+        + "        \"legacy_endpoint_id\" : \"legacyendpointid\"" + EOL
+        + "      } ]" + EOL
+        + "    } ]," + EOL
+        + "    \"expires_at\" : 1489752000000," + EOL
+        + "    \"issued_at\" : 1488456000000" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Token.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Token token = objectMapper.readValue(JSON_FULL, Token.class);
+        String json = objectMapper.writeValueAsString(token);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        Token token = objectMapper.readValue(JSON_FULL, Token.class);
+        token.toString();
+        
+        List<String> methods = token.getMethods();
+        Assert.assertNotNull(methods);
+        Assert.assertEquals(2, methods.size());
+        token.setMethods(methods);
+        
+        List<Service> catalog = token.getCatalog();
+        Assert.assertNotNull(catalog);
+        Assert.assertEquals(2, catalog.size());
+        token.setCatalog(catalog);
+        
+        Domain domain = token.getDomain();
+        Assert.assertNotNull(domain);
+        token.setDomain(domain);
+        
+        List<Role> roles = token.getRoles();
+        Assert.assertNotNull(roles);
+        Assert.assertEquals(2, roles.size());
+        token.setRoles(roles);
+        
+        Project project = token.getProject();
+        Assert.assertNotNull(project);
+        token.setProject(project);
+        
+        Calendar issuedAt = token.getIssuedAt();
+        Assert.assertNotNull(issuedAt);
+        token.setIssuedAt(issuedAt);
+        
+        String id = token.getId();
+        Assert.assertNotNull(id);
+        token.setId(id);
+        
+        User user = token.getUser();
+        Assert.assertNotNull(user);
+        token.setUser(user);
+        
+        Calendar expiresAt = token.getExpiresAt();
+        Assert.assertNotNull(expiresAt);
+        token.setExpiresAt(expiresAt);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UserTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UserTest.java
index 6a8f7bc..061b0bc 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UserTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UserTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * ===================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,92 +17,88 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.v3.model.User;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class UserTest {
 
-    User user = new User();
-
-    @Test
-    public void getId() throws Exception {
-        user.getId();
-    }
-
-    @Test
-    public void setId() throws Exception {
-        user.setId("Test");
-    }
-
-    @Test
-    public void getDomainId() throws Exception {
-        user.getDomainId();
-    }
-
-    @Test
-    public void setDomainId() throws Exception {
-        user.setDomainId("test");
-    }
-
-    @Test
-    public void getDefaultProjectId() throws Exception {
-        user.getDefaultProjectId();
-    }
-
-    @Test
-    public void setDefaultProjectId() throws Exception {
-        user.setDefaultProjectId("tets");
-    }
-
-    @Test
-    public void getName() throws Exception {
-        user.getName();
-    }
-
-    @Test
-    public void setName() throws Exception {
-        user.setName("test");
-    }
-
-    @Test
-    public void getPassword() throws Exception {
-        user.getPassword();
-    }
-
-    @Test
-    public void setPassword() throws Exception {
-        user.setPassword("test");
-    }
-
-    @Test
-    public void getEmail() throws Exception {
-        user.getEmail();
-    }
-
-    @Test
-    public void setEmail() throws Exception {
-        user.setEmail("test");
-    }
-
-    @Test
-    public void getDescription() throws Exception {
-        user.getDescription();
-    }
-
-    @Test
-    public void setDescription() throws Exception {
-        user.setDescription("test");
-    }
-
-    @Test
-    public void getEnabled() throws Exception {
-        user.getEnabled();
-    }
-
-    @Test
-    public void setEnabled() throws Exception {
-        user.setEnabled(true);
-    }
-
-}
\ No newline at end of file
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"user\" : {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"password\" : \"password\"," + EOL
+        + "    \"email\" : \"email\"," + EOL
+        + "    \"description\" : \"description\"," + EOL
+        + "    \"enabled\" : false," + EOL
+        + "    \"domain_id\" : \"domainid\"," + EOL
+        + "    \"default_project_id\" : \"defaultprojectid\"" + EOL
+        + "  }" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(SerializationConfig.Feature.WRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+
+    @Test
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + User.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        User user = objectMapper.readValue(JSON_FULL, User.class);
+        String json = objectMapper.writeValueAsString(user);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
+    }
+
+    @Test
+    public void testMethods() throws Exception {
+        User user = objectMapper.readValue(JSON_FULL, User.class);
+        user.toString();
+        
+        String password = user.getPassword();
+        Assert.assertNotNull(password);
+        user.setPassword(password);
+        
+        String name = user.getName();
+        Assert.assertNotNull(name);
+        user.setName(name);
+        
+        String description = user.getDescription();
+        Assert.assertNotNull(description);
+        user.setDescription(description);
+        
+        String id = user.getId();
+        Assert.assertNotNull(id);
+        user.setId(id);
+        
+        String email = user.getEmail();
+        Assert.assertNotNull(email);
+        user.setEmail(email);
+        
+        String domainId = user.getDomainId();
+        Assert.assertNotNull(domainId);
+        user.setDomainId(domainId);
+        
+        Boolean enabled = user.getEnabled();
+        Assert.assertNotNull(enabled);
+        user.setEnabled(enabled);
+        
+        String defaultProjectId = user.getDefaultProjectId();
+        Assert.assertNotNull(defaultProjectId);
+        user.setDefaultProjectId(defaultProjectId);
+    }
+}
diff --git a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UsersTest.java b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UsersTest.java
index 2d27173..35554bd 100644
--- a/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UsersTest.java
+++ b/keystone-model/src/test/java/com/woorea/openstack/keystone/v3/model/UsersTest.java
@@ -1,8 +1,9 @@
 /*-
- * ONAP-SO
  * ============LICENSE_START=======================================================
- * Copyright 2018 Huawei Intellectual Property. All rights reserved.
- * =================================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,22 +17,73 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package com.woorea.openstack.keystone.v3.model;
 
+import com.woorea.openstack.keystone.model.User;
+import com.woorea.openstack.keystone.v3.model.Users;
+import java.util.List;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.junit.Assert;
 import org.junit.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 public class UsersTest {
 
-    Users users = new Users();
+    private static final String EOL = System.lineSeparator();
+
+    private static final String JSON_FULL = "{" + EOL
+        + "  \"users\" : [ {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"username\" : \"username\"," + EOL
+        + "    \"password\" : \"password\"," + EOL
+        + "    \"tenantId\" : \"tenantid\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"email\" : \"email\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  }, {" + EOL
+        + "    \"id\" : \"id\"," + EOL
+        + "    \"username\" : \"username\"," + EOL
+        + "    \"password\" : \"password\"," + EOL
+        + "    \"tenantId\" : \"tenantid\"," + EOL
+        + "    \"name\" : \"name\"," + EOL
+        + "    \"email\" : \"email\"," + EOL
+        + "    \"enabled\" : false" + EOL
+        + "  } ]" + EOL
+        + "}";
+
+    private ObjectMapper objectMapper = new ObjectMapper()
+        .setSerializationInclusion(Inclusion.NON_NULL)
+        .enable(SerializationConfig.Feature.INDENT_OUTPUT)
+        .enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
 
     @Test
-    public void getList() throws Exception {
-        users.getList();
+    public void testSerialization() throws Exception {
+        System.out.println("CLASS: " + Users.class.getName());
+        System.out.println("TEST JSON: " + JSON_FULL);
+        Users users = objectMapper.readValue(JSON_FULL, Users.class);
+        String json = objectMapper.writeValueAsString(users);
+        System.out.println("RE-SERIALIZED OBJECT: " + json);
+        JSONAssert.assertEquals(JSON_FULL, json, JSONCompareMode.LENIENT);
     }
 
-    @Test(expected = NullPointerException.class)
-    public void iterator() throws Exception {
-        users.iterator();
+    @Test
+    public void testMethods() throws Exception {
+        Users users = objectMapper.readValue(JSON_FULL, Users.class);
+        users.toString();
+        
+        List<User> list = users.getList();
+        Assert.assertNotNull(list);
+        Assert.assertEquals(2, list.size());
+        
+        int cnt = 0;
+        for (@SuppressWarnings("unused") User x : users) {
+            ++cnt;
+        }
+        Assert.assertEquals(2, cnt);
     }
-
-}
\ No newline at end of file
+}