Added test cases for DME2 Client

Increased the coverage from 0% to 90%

Issue-ID: APPC-1395
Change-Id: I9651ab4326e500559e5bd9b99abdff84d93cfa1d
Signed-off-by: Lathishbabu Ganesan <lathishbabu.ganesan@ericsson.com>

3 files changed, 142 insertions, 22 deletions

diff --git a/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/dme2client/Dme2Client.java b/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/dme2client/Dme2Client.java
index b6c35e505..51bd9c1e3 100644
--- a/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/dme2client/Dme2Client.java
+++ b/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/dme2client/Dme2Client.java
@@ -6,6 +6,8 @@
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * =============================================================================
+ * Modifications Copyright (C) 2019 Ericsson
+ * =============================================================================
  * 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
@@ -23,15 +25,6 @@
 
 package org.onap.appc.instar.dme2client;
 
-import com.att.eelf.configuration.EELFLogger;
-import com.att.eelf.configuration.EELFManager;
-import com.sun.jersey.api.client.Client;
-import com.sun.jersey.api.client.ClientResponse;
-import com.sun.jersey.api.client.WebResource;
-import com.sun.jersey.api.client.config.DefaultClientConfig;
-import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter;
-import com.sun.jersey.client.urlconnection.HTTPSProperties;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URI;
@@ -45,6 +38,14 @@ import javax.ws.rs.core.MediaType;
 import org.apache.commons.io.IOUtils;
 import org.onap.appc.instar.utils.InstarClientConstant;
 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.sun.jersey.api.client.Client;
+import com.sun.jersey.api.client.ClientResponse;
+import com.sun.jersey.api.client.WebResource;
+import com.sun.jersey.api.client.config.DefaultClientConfig;
+import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter;
+import com.sun.jersey.client.urlconnection.HTTPSProperties;
 
 public class Dme2Client {
 
@@ -64,12 +65,12 @@ public class Dme2Client {
             this.ipAddress = data.get("ipAddress");
             this.mask = data.get("mask");
         }
-        String propDir = System.getenv(SDNC_CONFIG_DIR_VAR);
+        String propDir = InstarClientConstant.getEnvironmentVariable(SDNC_CONFIG_DIR_VAR);
         if (propDir == null) {
             throw new IOException("Cannot find Property file -" + SDNC_CONFIG_DIR_VAR);
         }
         String propFile = propDir + InstarClientConstant.OUTBOUND_PROPERTIES;
-        InputStream propStream = new FileInputStream(propFile);
+        InputStream propStream = InstarClientConstant.getInputStream(propFile);
         try {
             properties.load(propStream);
         } catch (Exception e) {
@@ -117,7 +118,6 @@ public class Dme2Client {
                 .put(HTTPSProperties.PROPERTY_HTTPS_PROPERTIES, new HTTPSProperties(getHostnameVerifier(), sslContext));
             client = Client.create(defaultClientConfig);
             client.addFilter(new HTTPBasicAuthFilter(userId, password));
-
             webResource = client.resource(new URI(resourceUri));
             webResource.setProperty("Content-Type", "application/json;charset=UTF-8");
 
diff --git a/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/utils/InstarClientConstant.java b/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/utils/InstarClientConstant.java
index 713d2ae47..da3672843 100644
--- a/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/utils/InstarClientConstant.java
+++ b/appc-outbound/appc-network-inventory-client/provider/src/main/java/org/onap/appc/instar/utils/InstarClientConstant.java
@@ -6,6 +6,8 @@
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * =============================================================================
+ * Modifications Copyright (C) 2019 Ericsson
+ * =============================================================================
  * 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
@@ -23,6 +25,10 @@
 
 package org.onap.appc.instar.utils;
 
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+
 public class InstarClientConstant {
 
     public static final String INPUT_PARAM_RESPONSE_PRIFIX = "responsePrefix";
@@ -74,5 +80,13 @@ public class InstarClientConstant {
     public static final String OUTBOUND_PROPERTIES = "/outbound.properties";
 
     private InstarClientConstant() {}
+    
+    public static String getEnvironmentVariable(String env) {
+      return System.getenv(env);
+    }
+    
+    public static InputStream getInputStream(String file) throws FileNotFoundException {
+      return new FileInputStream(file);
+    }
 }
 
diff --git a/appc-outbound/appc-network-inventory-client/provider/src/test/java/org/onap/appc/instar/node/TestDme2Client.java b/appc-outbound/appc-network-inventory-client/provider/src/test/java/org/onap/appc/instar/node/TestDme2Client.java
index 9a3e855ab..7e2a41820 100644
--- a/appc-outbound/appc-network-inventory-client/provider/src/test/java/org/onap/appc/instar/node/TestDme2Client.java
+++ b/appc-outbound/appc-network-inventory-client/provider/src/test/java/org/onap/appc/instar/node/TestDme2Client.java
@@ -6,6 +6,8 @@
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * =============================================================================
+ * Modifications Copyright (C) 2019 Ericsson
+ * =============================================================================
  * 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
@@ -23,25 +25,129 @@
 
 package org.onap.appc.instar.node;
 
-import static org.junit.Assert.assertTrue;
-
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.when;
+import java.io.InputStream;
+import java.net.URI;
+import java.security.NoSuchAlgorithmException;
 import java.util.HashMap;
+import java.util.Properties;
+import javax.net.ssl.SSLContext;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mockito;
 import org.onap.appc.instar.dme2client.Dme2Client;
+import org.onap.appc.instar.utils.InstarClientConstant;
 import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+import com.sun.jersey.api.client.Client;
+import com.sun.jersey.api.client.ClientResponse;
+import com.sun.jersey.api.client.WebResource;
+import com.sun.jersey.api.client.WebResource.Builder;
 
 @RunWith(PowerMockRunner.class)
+@PrepareForTest({InstarClientConstant.class, SSLContext.class, Client.class})
 public class TestDme2Client {
 
-    @Test(expected=Exception.class)
-    public void testSendtoInstar() throws Exception {
+  private Dme2Client dme2;
+  private InputStream inputStream;
+  private SSLContext sslContext;
+  private Properties properties;
+  private Client client;
+  private WebResource webResource;
+  private Builder builder;
+  private ClientResponse clientResponse;
+
+  @Before
+  public void setUp() throws Exception {
+    inputStream = Mockito.mock(InputStream.class);
+    sslContext = PowerMockito.mock(SSLContext.class);
+    client = Mockito.mock(Client.class);
+    builder = Mockito.mock(Builder.class);
+    clientResponse = Mockito.mock(ClientResponse.class);
+    webResource = Mockito.mock(WebResource.class);
+    HashMap<String, String> data = new HashMap<String, String>();
+    data.put("subtext", "value");
+    PowerMockito.mockStatic(InstarClientConstant.class);
+    PowerMockito.mockStatic(SSLContext.class);
+    PowerMockito.mockStatic(Client.class);
+    PowerMockito.when(InstarClientConstant.getEnvironmentVariable("SDNC_CONFIG_DIR"))
+        .thenReturn("test");
+    PowerMockito.when(InstarClientConstant.getInputStream("test/outbound.properties"))
+        .thenReturn(inputStream);
+    PowerMockito.when(SSLContext.getInstance("SSL")).thenReturn(sslContext);
+    PowerMockito.when(Client.create(anyObject())).thenReturn(client);
+    PowerMockito.when(client.resource(new URI("nullnullnullvalue"))).thenReturn(webResource);
+
+    PowerMockito.when(builder.get(ClientResponse.class)).thenReturn(clientResponse);
+    properties = Mockito.mock(Properties.class);
+    dme2 = new Dme2Client("opt", "subtext", data);
+    Whitebox.setInternalState(dme2, "properties", properties);
+    when(properties.getProperty("MechID")).thenReturn("123");
+    when(properties.getProperty("MechPass")).thenReturn("password");
+  }
+
+  @Test
+  public void testSendtoInstarGet() throws Exception {
+    PowerMockito.when(webResource.accept("application/json")).thenReturn(builder);
+    PowerMockito.when(clientResponse.getEntity(String.class)).thenReturn("Get Success");
+    when(properties.getProperty("getIpAddressByVnf_method")).thenReturn("GET");
+    assertEquals("Get Success", dme2.send());
+  }
+
+  @Test
+  public void testSendtoInstarPut() throws Exception {
+    PowerMockito.when(webResource.type("application/json")).thenReturn(builder);
+    PowerMockito.when(builder.put(ClientResponse.class, "")).thenReturn(clientResponse);
+    PowerMockito.when(clientResponse.getEntity(String.class)).thenReturn("Put Success");
+    when(properties.getProperty("getIpAddressByVnf_method")).thenReturn("PUT");
+    assertEquals("Put Success", dme2.send());
+  }
+
+  @Test
+  public void testSendtoInstarPost() throws Exception {
+    PowerMockito.when(webResource.type("application/json")).thenReturn(builder);
+    PowerMockito.when(builder.post(ClientResponse.class, "")).thenReturn(clientResponse);
+    PowerMockito.when(clientResponse.getEntity(String.class)).thenReturn("Post Success");
+    when(properties.getProperty("getIpAddressByVnf_method")).thenReturn("POST");
+    assertEquals("Post Success", dme2.send());
+  }
+
+  @Test
+  public void testSendtoInstarDelete() throws Exception {
+    PowerMockito.when(webResource.delete(ClientResponse.class)).thenReturn(clientResponse);
+    PowerMockito.when(clientResponse.getEntity(String.class)).thenReturn("Delete Success");
+    when(properties.getProperty("getIpAddressByVnf_method")).thenReturn("DELETE");
+    assertEquals("Delete Success", dme2.send());
+  }
+
+  @Test
+  public void testSendtoInstarException() throws Exception {
+    PowerMockito.when(SSLContext.getInstance("SSL")).thenThrow(new NoSuchAlgorithmException());
+    when(properties.getProperty("getIpAddressByVnf_method")).thenReturn("DELETE");
+    assertNull(dme2.send());
+  }
+
+  @Test
+  public void testSendtoInstarMaskNotNull() throws Exception {
+    Whitebox.setInternalState(dme2, "mask", "0.0.0.0/1");
+    PowerMockito.when(webResource.accept("application/json")).thenReturn(builder);
+    PowerMockito.when(clientResponse.getEntity(String.class)).thenReturn("Get Success");
+    when(properties.getProperty("getIpAddressByVnf_method")).thenReturn("GET");
+    assertNull(dme2.send());
+  }
 
-        HashMap<String,String> data = new HashMap<String,String>();
-        data.put("subtext","value");
-        PowerMockito.mockStatic(System.class);
-        PowerMockito.when((System.getenv("test"))).thenReturn("test");
-        Dme2Client dme2 = new Dme2Client("opt","subtext",data);
-    }
+  @Test
+  public void testSendtoInstarIpNotNull() throws Exception {
+    Whitebox.setInternalState(dme2, "ipAddress", "0.0.0.0");
+    PowerMockito.when(webResource.accept("application/json")).thenReturn(builder);
+    PowerMockito.when(clientResponse.getEntity(String.class)).thenReturn("Get Success");
+    when(properties.getProperty("getIpAddressByVnf_method")).thenReturn("GET");
+    assertNull(dme2.send());
+  }
 }