Add serialization for Tosca Model

Added tests for Yaml policy monitoring
Added provider interface calls in provider and structure for handling legacy APIs.

Issue-ID: POLICY-1195
Change-Id: I4825272e0713b9e6a4b89753828de8905bcffbd1
Signed-off-by: liamfallon <liam.fallon@est.tech>

3 files changed, 101 insertions, 5 deletions

diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaServiceTemplateTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaServiceTemplateTest.java
index 0fc7a0bf3..5d8615814 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaServiceTemplateTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaServiceTemplateTest.java
@@ -31,6 +31,7 @@ import java.util.TreeMap;
 
 import org.junit.Test;
 import org.onap.policy.models.base.PfConceptKey;
+import org.onap.policy.models.base.PfReferenceKey;
 import org.onap.policy.models.base.PfValidationResult;
 
 /**
@@ -103,7 +104,7 @@ public class ToscaServiceTemplateTest {
         tst.setPolicyTypes(policyTypes);
         assertEquals(policyTypes, tst.getPolicyTypes());
 
-        PfConceptKey tttKey = new PfConceptKey("TopologyTemplate", "0.0.1");
+        PfReferenceKey tttKey = new PfReferenceKey(tstKey, "TopologyTemplate");
         ToscaTopologyTemplate ttt = new ToscaTopologyTemplate(tttKey);
         tst.setTopologyTemplate(ttt);
         assertEquals(ttt, tst.getTopologyTemplate());
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaTopologyTemplateTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaTopologyTemplateTest.java
index 4a288f183..97bbdbe71 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaTopologyTemplateTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/concepts/ToscaTopologyTemplateTest.java
@@ -31,6 +31,7 @@ import java.util.TreeMap;
 
 import org.junit.Test;
 import org.onap.policy.models.base.PfConceptKey;
+import org.onap.policy.models.base.PfReferenceKey;
 import org.onap.policy.models.base.PfValidationResult;
 
 /**
@@ -43,11 +44,11 @@ public class ToscaTopologyTemplateTest {
     @Test
     public void testTopologyTemplatePojo() {
         assertNotNull(new ToscaTopologyTemplate());
-        assertNotNull(new ToscaTopologyTemplate(new PfConceptKey()));
+        assertNotNull(new ToscaTopologyTemplate(new PfReferenceKey()));
         assertNotNull(new ToscaTopologyTemplate(new ToscaTopologyTemplate()));
 
         try {
-            new ToscaTopologyTemplate((PfConceptKey) null);
+            new ToscaTopologyTemplate((PfReferenceKey) null);
             fail("test should throw an exception");
         } catch (Exception exc) {
             assertEquals("key is marked @NonNull but is null", exc.getMessage());
@@ -60,7 +61,7 @@ public class ToscaTopologyTemplateTest {
             assertEquals("copyConcept is marked @NonNull but is null", exc.getMessage());
         }
 
-        PfConceptKey tttKey = new PfConceptKey("ttt", "0.0.1");
+        PfReferenceKey tttKey = new PfReferenceKey("tst", "0.0.1", "ttt");
         ToscaTopologyTemplate ttt = new ToscaTopologyTemplate(tttKey);
 
         ttt.setDescription("A Description");
@@ -89,7 +90,7 @@ public class ToscaTopologyTemplateTest {
         assertEquals(0, ttt.compareTo(ttt));
         assertFalse(ttt.compareTo(ttt.getKey()) == 0);
 
-        PfConceptKey otherDtKey = new PfConceptKey("otherDt", "0.0.1");
+        PfReferenceKey otherDtKey = new PfReferenceKey("otherSt", "0.0.1", "otherDt");
         ToscaTopologyTemplate otherDt = new ToscaTopologyTemplate(otherDtKey);
 
         assertFalse(ttt.compareTo(otherDt) == 0);
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/serialization/MonitoringPolicySerializationTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/serialization/MonitoringPolicySerializationTest.java
new file mode 100644
index 000000000..07f5bca7d
--- /dev/null
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/serialization/MonitoringPolicySerializationTest.java
@@ -0,0 +1,94 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.tosca.serialization;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+
+import java.io.IOException;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.common.utils.resources.TextFileUtils;
+import org.onap.policy.models.base.PfValidationResult;
+import org.onap.policy.models.tosca.concepts.ToscaServiceTemplate;
+import org.onap.policy.models.tosca.serialization.simple.ToscaServiceTemplateMessageBodyHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.yaml.snakeyaml.Yaml;
+
+/**
+ * Test serialization of monitoring policies.
+ *
+ * @author Liam Fallon (liam.fallon@est.tech)
+ */
+public class MonitoringPolicySerializationTest {
+    // Logger for this class
+    private static final Logger LOGGER = LoggerFactory.getLogger(MonitoringPolicySerializationTest.class);
+
+    private Gson gson;
+
+    @Before
+    public void setUp() {
+        gson = new ToscaServiceTemplateMessageBodyHandler().getGson();
+    }
+
+    @Test
+    public void testJsonDeserialization() throws JsonSyntaxException, IOException {
+        ToscaServiceTemplate serviceTemplate = gson.fromJson(
+                TextFileUtils
+                        .getTextFileAsString("src/test/resources/policies/vCPE.policy.monitoring.input.tosca.json"),
+                ToscaServiceTemplate.class);
+
+        assertNotNull(serviceTemplate);
+        LOGGER.info(serviceTemplate.validate(new PfValidationResult()).toString());
+        assertTrue(serviceTemplate.validate(new PfValidationResult()).isValid());
+
+        assertEquals("onap.vcpe.tca:1.0.0",
+                serviceTemplate.getTopologyTemplate().getPolicies().get("onap.vcpe.tca").getId());
+        assertEquals("onap.vcpe.tca:1.0.0",
+                serviceTemplate.getTopologyTemplate().getPolicies().get("onap.vcpe.tca").getId());
+    }
+
+    @Test
+    public void testYamlDeserialization() throws JsonSyntaxException, IOException {
+        Yaml yaml = new Yaml();
+        Object yamlObject = yaml.load(TextFileUtils
+                .getTextFileAsString("src/test/resources/policies/vCPE.policy.monitoring.input.tosca.yaml"));
+
+        String yamlAsJsonString = new Gson().toJson(yamlObject);
+
+        ToscaServiceTemplate serviceTemplate = gson.fromJson(yamlAsJsonString, ToscaServiceTemplate.class);
+
+        assertNotNull(serviceTemplate);
+        LOGGER.info(serviceTemplate.validate(new PfValidationResult()).toString());
+        assertTrue(serviceTemplate.validate(new PfValidationResult()).isValid());
+
+        assertEquals("onap.vcpe.tca:1.0.0",
+                serviceTemplate.getTopologyTemplate().getPolicies().get("onap.vcpe.tca").getId());
+        assertEquals("onap.vcpe.tca:1.0.0",
+                serviceTemplate.getTopologyTemplate().getPolicies().get("onap.vcpe.tca").getId());
+    }
+}