Increasing test coverage for vid.mso.rest

Change-Id: Ie672d561c5f1c674cce979e0f640027bb6fc0fa7
Issue-ID: VID-387
Signed-off-by: Bartosz Gardziejewski <bartosz.gardziejewski@nokia.com>

4 files changed, 1224 insertions, 29 deletions

diff --git a/vid-app-common/src/test/java/org/onap/vid/mso/RestMsoImplementationTest.java b/vid-app-common/src/test/java/org/onap/vid/mso/RestMsoImplementationTest.java
new file mode 100644
index 000000000..4cba53785
--- /dev/null
+++ b/vid-app-common/src/test/java/org/onap/vid/mso/RestMsoImplementationTest.java
@@ -0,0 +1,421 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * VID
+ * ================================================================================
+ * Copyright (C) 2019 Nokia 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 org.onap.vid.mso;
+
+import io.joshworks.restclient.request.HttpRequest;
+import org.glassfish.jersey.client.JerseyInvocation;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.onap.portalsdk.core.util.SystemProperties;
+import org.onap.vid.aai.util.HttpsAuthClient;
+import org.onap.vid.changeManagement.RequestDetailsWrapper;
+import org.onap.vid.exceptions.GenericUncheckedException;
+import org.onap.vid.mso.rest.RequestDetails;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MultivaluedHashMap;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.Response;
+
+import java.util.Optional;
+
+import static org.assertj.core.api.Java6Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+import static org.mockito.MockitoAnnotations.initMocks;
+
+public class RestMsoImplementationTest  {
+
+    @Mock
+    private HttpRequest httpRequest;
+
+    @Mock
+    private Client mockClient;
+
+    @Mock
+    private HttpsAuthClient mockHttpsAuthClient;
+
+    @Mock
+    private WebTarget webTarget;
+
+    @Mock
+    private javax.ws.rs.client.Invocation.Builder builder;
+
+    @Mock
+    private Response response;
+
+    @Mock
+    private JerseyInvocation jerseyInvocation;
+
+    @InjectMocks
+    private RestMsoImplementation restMsoImplementation = new RestMsoImplementation(mockHttpsAuthClient);
+
+    String path = "/test_path/";
+    String rawData = "test-row-data";
+
+    @BeforeClass
+    public void setUp(){
+        initMocks(this);
+    }
+
+    @Test
+    public void shouldProperlyInitMsoClient() {
+        //  when
+        MultivaluedHashMap<String, Object> result = restMsoImplementation.initMsoClient();
+
+        //  then
+        assertThat(result).containsKeys("Authorization","X-ONAP-PartnerName");
+        assertThat(result).doesNotContainKey("notExistingKey");
+    }
+
+    @Test
+    public void shouldProperlyGetRestObjectWithRequestInfo() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+
+        prepareMocks(rawData, HttpStatus.ACCEPTED.value(),"");
+
+        //  when
+        RestObjectWithRequestInfo<HttpRequest> response = restMsoImplementation.Get(httpRequest, path, restObject,false);
+
+        //  then
+        assertThat(response.getRequestedUrl()).contains(path);
+        assertThat(response.getRawData()).isEqualTo(rawData);
+        assertThat(response.getHttpCode()).isEqualTo(HttpStatus.ACCEPTED.value());
+        assertThat(response.getHttpMethod()).isEqualTo(HttpMethod.GET);
+    }
+
+    @Test( expectedExceptions = GenericUncheckedException.class)
+    public void shouldThrowExceptionWhenGetRestObjectWithRequestInfoGetsWrongStatus() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+
+        prepareMocks("",HttpStatus.BAD_REQUEST.value(),"");
+
+        //  when
+        restMsoImplementation.Get(httpRequest, "", restObject,false);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenGetRestObjectWithRequestInfoGetsWrongParameters() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+
+        prepareMocks("",HttpStatus.ACCEPTED.value(),"");
+        when(mockClient.target(SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL))).thenThrow(new MsoTestException("test-target-exception"));
+
+        //  when
+        restMsoImplementation.Get(httpRequest, "", restObject,false);
+    }
+
+    @Test()
+    public void shouldProperlyGetRestObjectForObjectWithRequestInfoAndAcceptCode() {
+        //  given
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),"");
+
+        //  when
+        RestObject response = restMsoImplementation.GetForObject(path, HttpRequest.class);
+
+        //  then
+        assertThat(response.getStatusCode()).isEqualTo(HttpStatus.ACCEPTED.value());
+        assertThat(response.getRaw()).isEqualTo(rawData);
+    }
+
+    @Test()
+    public void shouldProperlyGetRestObjectForObjectWithRequestInfoAndBadRequestCode() {
+        //  given
+        prepareMocks(rawData,HttpStatus.BAD_REQUEST.value(),"");
+
+        //  when
+        RestObject response = restMsoImplementation.GetForObject(path, HttpRequest.class);
+
+        //  then
+        assertThat(response.getStatusCode()).isEqualTo(HttpStatus.BAD_REQUEST.value());
+        assertThat(response.getRaw()).isEqualTo(rawData);
+    }
+
+    @Test()
+    public void shouldProperlyDeleteRestObjectWithStatusHttpAccepted() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),"DELETE");
+
+        //  when
+        restMsoImplementation.Delete(httpRequest, "testObject", path, restObject);
+
+        //  then
+        assertThat(restObject.getStatusCode()).isEqualTo(HttpStatus.ACCEPTED.value());
+    }
+
+    @Test()
+    public void shouldProperlyDeleteRestObjectWithStatusOK() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+
+        prepareMocks(rawData,HttpStatus.OK.value(),"DELETE");
+
+        //  when
+        restMsoImplementation.Delete(httpRequest, "testObject", path, restObject);
+
+        //  then
+        assertThat(restObject.getStatusCode()).isEqualTo(HttpStatus.OK.value());
+    }
+
+    @Test()
+    public void shouldProperlyReturnFromDeleteWithStatusBadRequest() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+
+        prepareMocks(rawData,HttpStatus.BAD_REQUEST.value(),"DELETE");
+
+        //  when
+        restMsoImplementation.Delete(httpRequest, "testObject", path, restObject);
+
+        //  then
+        assertThat(restObject.getStatusCode()).isEqualTo(HttpStatus.BAD_REQUEST.value());
+    }
+
+    @Test()
+    public void shouldProperlyReturnFromDeleteWithStatusOtherThenAbove() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+        prepareMocks(rawData,HttpStatus.NOT_EXTENDED.value(),"DELETE");
+
+        //  when
+        restMsoImplementation.Delete(httpRequest, "testObject", path, restObject);
+
+        //  then
+        assertThat(restObject.getStatusCode()).isEqualTo(HttpStatus.NOT_EXTENDED.value());
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenCallsDeleteWithWrongParameters() {
+        //  given
+        when(mockClient.target(any(String.class))).thenThrow(new MsoTestException("testDeleteException"));
+
+        //  when
+        restMsoImplementation.Delete(httpRequest, "testObject", "", null);
+    }
+
+    @Test( expectedExceptions = NullPointerException.class)
+    public void shouldThrowExceptionWhenCallsDeleteWithWrongObjectType() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),"DELETE");
+
+        //  when
+        restMsoImplementation.Delete(null, "testObject", path, restObject);
+    }
+
+    @Test
+    public void shouldProperlyPostForObject() {
+        //  given
+        RequestDetails requestDetails = new RequestDetails();
+
+        RestObject<HttpRequest> expectedResponse = new RestObject<>();
+        expectedResponse.setStatusCode(HttpStatus.ACCEPTED.value());
+        expectedResponse.setRaw(rawData);
+
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),"POST");
+
+        //  when
+        RestObject<HttpRequest> response = restMsoImplementation.PostForObject(requestDetails, path, HttpRequest.class);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyDeleteForObject() {
+        //  given
+        RequestDetails requestDetails = new RequestDetails();
+
+        RestObject<HttpRequest> expectedResponse = new RestObject<>();
+        expectedResponse.setStatusCode(HttpStatus.ACCEPTED.value());
+        expectedResponse.setRaw(rawData);
+
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),"DELETE");
+
+        //  when
+        RestObject<HttpRequest> response = restMsoImplementation.DeleteForObject(requestDetails, path, HttpRequest.class);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyPost() {
+        //  given
+        RequestDetails requestDetails = new RequestDetails();
+        RestObject<String> response = new RestObject<>();
+
+        RestObject<String> expectedResponse = new RestObject<>();
+        expectedResponse.setStatusCode(HttpStatus.ACCEPTED.value());
+        expectedResponse.setRaw(rawData);
+
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),"POST");
+
+        //  when
+        restMsoImplementation.Post(rawData,requestDetails, path, response);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyPrepareClient() {
+        //  given
+        String method = "POST";
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),method);
+
+        //  when
+        javax.ws.rs.client.Invocation.Builder response = restMsoImplementation.prepareClient(path, method);
+
+        //  then
+        assertThat(response).isEqualTo(builder);
+    }
+
+    @Test
+    public void shouldCreatRestObjectOnlyWithHttpMethod() {
+        //  given
+        String method = "GET";
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),method);
+
+        RestObject<String> expectedResponse = new RestObject<>();
+        expectedResponse.setStatusCode(HttpStatus.ACCEPTED.value());
+        expectedResponse.setRaw(rawData);
+
+        //  when
+        RestObject<String> response = restMsoImplementation.restCall(HttpMethod.GET, String.class, null, path, Optional.empty());
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenCreateRestObjectIsCalledWithoutDefinedClient() {
+        //  given
+        when(mockClient.target(any(String.class))).thenThrow(new MsoTestException("testNoClientException"));
+
+        //  when
+        restMsoImplementation.restCall(HttpMethod.GET, String.class, null, "", Optional.empty());
+    }
+
+    @Test
+    public void shouldProperlyPutRestObjectWithProperParametersAndStatusAccepted() {
+        //  given
+        String method = "PUT";
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),method);
+
+        org.onap.vid.changeManagement.RequestDetailsWrapper requestDetailsWrapper = new RequestDetailsWrapper();
+        RestObject<String> response = new RestObject<>();
+
+        RestObject<String> expectedResponse = new RestObject<>();
+        expectedResponse.setStatusCode(HttpStatus.ACCEPTED.value());
+        expectedResponse.set(rawData);
+
+        //  when
+        restMsoImplementation.Put("testPutBody", requestDetailsWrapper , path, response);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyPutRestObjectWithProperParametersAndStatusMultipleChoices() {
+        //  given
+        String method = "PUT";
+        prepareMocks(rawData,HttpStatus.MULTIPLE_CHOICES.value(),method);
+
+        org.onap.vid.changeManagement.RequestDetailsWrapper requestDetailsWrapper = new RequestDetailsWrapper();
+        RestObject<String> response = new RestObject<>();
+
+        RestObject<String> expectedResponse = new RestObject<>();
+        expectedResponse.setStatusCode(HttpStatus.MULTIPLE_CHOICES.value());
+        expectedResponse.set(rawData);
+
+        //  when
+        restMsoImplementation.Put("testPutBody", requestDetailsWrapper , path, response);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenCallsPutWithWrongParameters() {
+        //  given
+        when(mockClient.target(any(String.class))).thenThrow(new MsoTestException("testDeleteException"));
+        org.onap.vid.changeManagement.RequestDetailsWrapper requestDetailsWrapper = new RequestDetailsWrapper();
+
+        //  when
+        restMsoImplementation.Put(null, requestDetailsWrapper, "", null);
+    }
+
+    @Test( expectedExceptions = NullPointerException.class)
+    public void shouldThrowExceptionWhenCallsPutWithWrongObjectType() {
+        //  given
+        RestObject<HttpRequest> restObject = new RestObject<>();
+        org.onap.vid.changeManagement.RequestDetailsWrapper requestDetailsWrapper = new RequestDetailsWrapper();
+
+        prepareMocks(rawData,HttpStatus.ACCEPTED.value(),"DELETE");
+
+        //  when
+        restMsoImplementation.Put(null, requestDetailsWrapper, path, restObject);
+    }
+
+
+
+    private void prepareMocks(String rawData,int status,String httpMethod) {
+
+        when(mockClient.target(any(String.class))).thenReturn(webTarget);
+        when(webTarget.request()).thenReturn(builder);
+
+
+        when(builder.accept(any(String.class))).thenReturn(builder);
+        when(builder.headers(any(MultivaluedMap.class))).thenReturn(builder);
+        when(builder.get()).thenReturn(response);
+
+        when(builder.build( eq(httpMethod), any(Entity.class))).thenReturn(jerseyInvocation);
+        when(builder.build( eq(httpMethod))).thenReturn(jerseyInvocation);
+
+        when(builder.put( any(Entity.class))).thenReturn(response);
+        when(jerseyInvocation.invoke()).thenReturn(response);
+
+
+        when(response.getStatus()).thenReturn(status);
+        when(response.readEntity(String.class)).thenReturn(rawData);
+    }
+
+    private class MsoTestException extends RuntimeException{
+        MsoTestException(String testException) {
+            super(testException);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientNewTest.java b/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientNewTest.java
index 6114552e6..f58462dd6 100644
--- a/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientNewTest.java
+++ b/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientNewTest.java
@@ -468,10 +468,10 @@ public class MsoRestClientNewTest {
 
     private MsoRestClientNew msoRestClient() {
         final WebConfig webConfig = new WebConfig();
-        return new MsoRestClientNew(new SyncRestClient(webConfig.unirestFasterxmlObjectMapper(new ObjectMapper())), baseUrl());
+        return new MsoRestClientNew(new SyncRestClient(webConfig.unirestFasterxmlObjectMapper(new ObjectMapper())), baseUrl(),null);
     }
 
     private MsoRestClientNew createTestSubject() {
-        return new MsoRestClientNew(null, "");
+        return new MsoRestClientNew(null, "",null);
     }
 }
diff --git a/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientTest.java b/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientTest.java
index 5a0f93b45..39d633f70 100644
--- a/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientTest.java
+++ b/vid-app-common/src/test/java/org/onap/vid/mso/rest/MsoRestClientTest.java
@@ -20,65 +20,795 @@
  */
 package org.onap.vid.mso.rest;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-import org.json.JSONObject;
-import org.junit.Assert;
+import io.joshworks.restclient.http.HttpResponse;
+import io.joshworks.restclient.http.JsonMapper;
+import org.apache.http.ProtocolVersion;
+import org.apache.http.StatusLine;
+import org.apache.http.message.BasicHttpResponse;
+import org.apache.http.message.BasicStatusLine;
+import org.mockito.Mock;
 import org.onap.portalsdk.core.util.SystemProperties;
-import org.onap.vid.changeManagement.RequestDetails;
+import org.onap.vid.changeManagement.RelatedInstanceList;
+import org.onap.vid.changeManagement.RequestDetailsWrapper;
 import org.onap.vid.client.SyncRestClient;
 import org.onap.vid.controller.LocalWebConfig;
-import org.onap.vid.mso.MsoBusinessLogic;
-import org.onap.vid.mso.MsoBusinessLogicImpl;
+import org.onap.vid.model.RequestReferencesContainer;
+import org.onap.vid.mso.MsoResponseWrapper;
+import org.onap.vid.mso.MsoResponseWrapperInterface;
+import org.onap.vid.mso.MsoUtil;
+import org.onap.vid.mso.RestObject;
 import org.onap.vid.mso.model.CloudConfiguration;
 import org.onap.vid.mso.model.ModelInfo;
 import org.onap.vid.mso.model.RequestInfo;
 import org.onap.vid.mso.model.RequestParameters;
+import org.onap.vid.mso.model.RequestReferences;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.web.WebAppConfiguration;
+import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
 
+import static org.mockito.ArgumentMatchers.any;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.anyMap;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+import static org.mockito.MockitoAnnotations.initMocks;
+
 
 @ContextConfiguration(classes = {LocalWebConfig.class, SystemProperties.class})
 @WebAppConfiguration
 public class MsoRestClientTest {
 
 
-    private MsoBusinessLogic msoBusinessLogic = new MsoBusinessLogicImpl(new MsoRestClientNew(new SyncRestClient(), ""), null);
-    private ObjectMapper om = new ObjectMapper();
+    private final String baseUrl = "http://testURL/";
+
+    @Mock
+    private SyncRestClient client;
+
+    private MsoRestClientNew restClient;
+
+
+    @BeforeClass
+    private void setUp(){
+        initMocks(this);
+        restClient = new MsoRestClientNew(client,baseUrl,null);
+
+    }
 
     @Test
-    public void createInPlaceMsoRequest() {
-        String result = null;
-        try {
-            RequestDetails requestDetails = generateMockMsoRequest();
-            result = om.writeValueAsString(msoBusinessLogic.generateInPlaceMsoRequest(requestDetails));
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        if (result == null) {
-            Assert.fail("Failed to create mso request");
+    public void shouldProperlyCreateServiceInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.createSvcInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenCreateSvcInstanceGetsWrongParameters() {
+        //  given
+        String endpoint = "";
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(null),eq(String.class) )  ).
+                thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.createSvcInstance(null,endpoint);
+    }
+
+    @Test
+    public void shouldProperlyCreateE2eSvcInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.createE2eSvcInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyCreateVnf() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.createVnf(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyCreateNwInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.createNwInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyCreateVolumeGroupInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.createVolumeGroupInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyCreateVfModuleInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.createVfModuleInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyScaleOutVFModuleInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        RequestDetailsWrapper<RequestDetails> wrappedRequestDetails = new RequestDetailsWrapper<>(requestDetails);
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(wrappedRequestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.scaleOutVFModuleInstance(wrappedRequestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyCreateConfigurationInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        org.onap.vid.mso.rest.RequestDetailsWrapper wrappedRequestDetails = new  org.onap.vid.mso.rest.RequestDetailsWrapper(requestDetails);
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(wrappedRequestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.createConfigurationInstance(wrappedRequestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyDeleteE2eSvcInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        org.onap.vid.mso.rest.RequestDetailsWrapper wrappedRequestDetails = new  org.onap.vid.mso.rest.RequestDetailsWrapper(requestDetails);
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.delete( eq(baseUrl+endpoint),anyMap(),eq(wrappedRequestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.deleteE2eSvcInstance(wrappedRequestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyDeleteSvcInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.delete( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.deleteSvcInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyUnassignSvcInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.unassignSvcInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyDeleteVnf() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.delete( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.deleteVnf(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyDeleteVfModule() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.delete( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.deleteVfModule(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyDeleteVolumeGroupInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.delete( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.deleteVolumeGroupInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyDeleteNwInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.delete( eq(baseUrl+endpoint),anyMap(),eq(requestDetails),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.deleteNwInstance(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyGetOrchestrationRequest() {
+        //  given
+        RestObject restObject = generateMockMsoRestObject();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.get( eq(baseUrl+endpoint),anyMap(),anyMap(),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.getOrchestrationRequest(null,null,endpoint,restObject,true);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyGetOrchestrationRequestWithOnlyEndpoint() {
+        //  given
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.get( eq(baseUrl+endpoint),anyMap(),anyMap(),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.getOrchestrationRequest(endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyGetManualTasks() {
+        //  given
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.get( eq(baseUrl+endpoint),anyMap(),anyMap(),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.getManualTasks(endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyGetManualTasksByRequestId() {
+        //  given
+        RestObject restObject = generateMockMsoRestObject();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        /// WUT 'baseUrl+baseUrl+endpoint'
+        when( client.get( eq(baseUrl+baseUrl+endpoint),anyMap(),anyMap(),eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.getManualTasksByRequestId(null,null,endpoint,restObject);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test(expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenGetManualTasksByRequestIdGetsWrongParameter() {
+        //  given
+        when( client.get( eq(baseUrl+baseUrl),anyMap(),anyMap(),eq(String.class) )  ).thenThrow(new MsoTestException("testsException"));
+
+        //  when
+        restClient.getManualTasksByRequestId(null,null,"",null);
+    }
+
+    @Test
+    public void shouldProperlyCompleteManualTask() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+        RestObject restObject = generateMockMsoRestObject();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint), anyMap(), eq(requestDetails), eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.completeManualTask(requestDetails,null,null,endpoint,restObject);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test(expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenCompleteManualTaskWrongParameter() {
+        //  given
+        when( client.post( eq(baseUrl),anyMap(),eq(null), eq(String.class) )  ).thenThrow(new MsoTestException("testsException"));
+
+        //  when
+        restClient.completeManualTask(null, null,null,"",null);
+    }
+
+    @Test
+    public void shouldProperlyReplaceVnf() {
+        //  given
+        org.onap.vid.changeManagement.RequestDetails requestDetails = generateChangeManagementMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint), anyMap(), any(RequestDetailsWrapper.class), eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.replaceVnf(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test
+    public void shouldProperlyReplaceVnfWithStatus202() {
+        //  given
+        org.onap.vid.changeManagement.RequestDetails requestDetails = generateChangeManagementMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = createOkResponse();
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.post( eq(baseUrl+endpoint), anyMap(), any(RequestDetailsWrapper.class), eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.replaceVnf(requestDetails,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenReplaceVnfGetsWrongParameters() {
+        //  given
+        org.onap.vid.changeManagement.RequestDetails requestDetails = generateChangeManagementMockMsoRequest();
+
+        when( client.post( eq(baseUrl), anyMap(), any(RequestDetailsWrapper.class), eq(String.class) )  ).thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.replaceVnf(requestDetails, "");
+    }
+
+    @Test
+    public void shouldProperlyDeleteConfiguration() {
+        //  given
+        org.onap.vid.changeManagement.RequestDetails requestDetails = generateChangeManagementMockMsoRequest();
+        org.onap.vid.mso.rest.RequestDetailsWrapper requestDetailsWrapper = new org.onap.vid.mso.rest.RequestDetailsWrapper(requestDetails);
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when( client.delete( eq(baseUrl+endpoint), anyMap(), eq(requestDetailsWrapper), eq(String.class) )  ).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.deleteConfiguration(requestDetailsWrapper,endpoint);
+
+        //  then
+        assertThat(response).isEqualToComparingFieldByField(expectedResponse);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class )
+    public void shouldThrowExceptionWhenProperlyDeleteConfigurationGetsWrongParameters() {
+        //  given
+        when( client.delete( eq(baseUrl), anyMap(), eq(null), eq(String.class) )  ).thenThrow(new MsoTestException("test-delete-exception"));
+
+        //  when
+        restClient.deleteConfiguration(null,"");
+    }
+
+    @Test
+    public void shouldProperlySetConfigurationActiveStatus() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when(client.post(eq(baseUrl + endpoint), anyMap(), eq(requestDetails), eq(String.class))).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.setConfigurationActiveStatus(requestDetails, endpoint);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    @Test(expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenSetConfigurationActiveStatusGetsWrongParameters() {
+        //  given
+
+        when(client.post(eq(baseUrl), anyMap(), eq(null), eq(String.class))).thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.setConfigurationActiveStatus(null, "");
+    }
+
+    @Test
+    public void shouldProperlySetPortOnConfigurationStatus() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when(client.post(eq(baseUrl + endpoint), anyMap(), eq(requestDetails), eq(String.class))).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.setPortOnConfigurationStatus(requestDetails, endpoint);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    @Test(expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenSetPortOnConfigurationStatusGetsWrongParameters() {
+        //  given
+        String endpoint = "";
+
+        when(client.post(eq(baseUrl), anyMap(), eq(null), eq(String.class))).thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.setPortOnConfigurationStatus(null, endpoint);
+    }
+
+    @Test
+    public void shouldProperlyChangeManagementUpdate() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+        RequestDetailsWrapper<RequestDetails> requestDetailsWrapper = new RequestDetailsWrapper<>(requestDetails);
+
+        String endpoint = "testEndpoint";
+        HttpResponse<RequestReferencesContainer> httpResponse = HttpResponse.fallback(
+                new RequestReferencesContainer(
+                        new RequestReferences()));
+
+        MsoResponseWrapperInterface expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when(client.post(eq(baseUrl + endpoint), anyMap(), eq(requestDetailsWrapper), eq(RequestReferencesContainer.class))).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapperInterface response = restClient.changeManagementUpdate(requestDetailsWrapper, endpoint);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    @Test
+    public void shouldProperlyUpdateVnfAndUpdateInstance() {
+        //  given
+        org.onap.vid.changeManagement.RequestDetails requestDetails = generateChangeManagementMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapperInterface expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+
+        when(client.put(eq(baseUrl + endpoint), anyMap(), any(RequestDetailsWrapper.class), eq(String.class))).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapperInterface response = restClient.updateVnf(requestDetails, endpoint);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class )
+    public void shouldThrowExceptionWhenUpdateVnfAndUpdateInstanceGetsWrongParameter() {
+        //  given
+        org.onap.vid.changeManagement.RequestDetails requestDetails = generateChangeManagementMockMsoRequest();
+        String endpoint = "";
+
+        when(client.put(eq(baseUrl), anyMap(), any(RequestDetailsWrapper.class), eq(String.class))).thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.updateVnf(requestDetails, endpoint);
+
+        //  then
+    }
+
+    @Test
+    public void shouldProperlySetServiceInstanceStatus() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+        RestObject<String> restObject = generateMockMsoRestObject();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+
+        when(client.post(eq(baseUrl + endpoint), anyMap(), eq(requestDetails), eq(String.class))).thenReturn(httpResponse);
+
+        //  when
+        restClient.setServiceInstanceStatus(requestDetails,"", "", endpoint, restObject);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenSetServiceInstanceStatusGetsWrongParameter() {
+        //  given
+        String endpoint = "";
+
+        when(client.post(eq(baseUrl), anyMap(), eq(null), eq(String.class))).thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.setServiceInstanceStatus(null,"", "", endpoint, null);
+    }
+
+    @Test
+    public void shouldProperlyRemoveRelationshipFromServiceInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when(client.post(eq(baseUrl + endpoint), anyMap(), eq(requestDetails), eq(String.class))).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.removeRelationshipFromServiceInstance(requestDetails, endpoint);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenRemoveRelationshipFromServiceInstanceGetsWrongParameter() {
+        //  given
+        String endpoint = "";
+
+        when(client.post(eq(baseUrl), anyMap(), eq(null), eq(String.class))).thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.removeRelationshipFromServiceInstance(null,endpoint);
+    }
+
+    @Test
+    public void shouldProperlyAddRelationshipToServiceInstance() {
+        //  given
+        RequestDetails requestDetails = generateMockMsoRequest();
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> httpResponse = HttpResponse.fallback("testOkResponse");
+        MsoResponseWrapper expectedResponse = MsoUtil.wrapResponse(httpResponse);
+
+        when(client.post(eq(baseUrl + endpoint), anyMap(), eq(requestDetails), eq(String.class))).thenReturn(httpResponse);
+
+        //  when
+        MsoResponseWrapper response = restClient.addRelationshipToServiceInstance(requestDetails, endpoint);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    @Test( expectedExceptions = MsoTestException.class)
+    public void shouldThrowExceptionWhenAddRelationshipToServiceInstanceGetsWrongParameter() {
+        //  given
+        String endpoint = "";
+
+        when(client.post(eq(baseUrl), anyMap(), eq(null), eq(String.class))).thenThrow(new MsoTestException("test-post-exception"));
+
+        //  when
+        restClient.addRelationshipToServiceInstance(null,endpoint);
+    }
+
+    @Test
+    public void shouldProperlyPerformGetRequest() {
+        //  given
+        String endpoint = "testEndpoint";
+        HttpResponse<String> expectedResponse = HttpResponse.fallback("testOkResponse");
+
+        when(client.get(eq(baseUrl + endpoint), anyMap(), anyMap(), eq(String.class))).thenReturn(expectedResponse);
+
+        //  when
+        HttpResponse<String>  response = restClient.get(endpoint, String.class);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    @Test
+    public void shouldProperlyPerformPostRequest() {
+        //  given
+
+        RequestDetailsWrapper<RequestDetails> requestDetailsWrapper = new RequestDetailsWrapper<>(generateMockMsoRequest());
+
+        String endpoint = "testEndpoint";
+        HttpResponse<String> expectedResponse = HttpResponse.fallback("testOkResponse");
+
+        when(client.post(eq(baseUrl + endpoint), anyMap(), eq(requestDetailsWrapper), eq(String.class))).thenReturn(expectedResponse);
+
+        //  when
+        HttpResponse<String>  response = restClient.post(endpoint,requestDetailsWrapper, String.class);
+
+        //  then
+        assertThat(expectedResponse).isEqualToComparingFieldByField(response);
+    }
+
+    private class MsoTestException extends RuntimeException{
+        MsoTestException(String testException) {
+            super(testException);
         }
-        JSONObject jsonObj = new JSONObject(result);
-        Assert.assertNotNull(jsonObj.getJSONObject("requestDetails"));
+    }
+
+    private HttpResponse<String> createOkResponse() {
+        StatusLine statusline = new BasicStatusLine(
+                new ProtocolVersion("http",1,1), 202, "acceptResponse");
+
+        org.apache.http.HttpResponse responseBase = new BasicHttpResponse(statusline);
+
+        return new HttpResponse<>(responseBase ,String.class, new JsonMapper());
     }
 
     private RequestDetails generateMockMsoRequest() {
         RequestDetails requestDetails = new RequestDetails();
-        requestDetails.setVnfInstanceId("vnf-instance-id");
-        requestDetails.setVnfName("vnf-name");
+
         CloudConfiguration cloudConfiguration = new CloudConfiguration();
         cloudConfiguration.setTenantId("tenant-id");
         cloudConfiguration.setLcpCloudRegionId("lcp-region");
         requestDetails.setCloudConfiguration(cloudConfiguration);
+
         ModelInfo modelInfo = new ModelInfo();
         modelInfo.setModelInvariantId("model-invarient-id");
         modelInfo.setModelCustomizationName("modelCustomizationName");
+        modelInfo.setModelType("test-model-type");
         requestDetails.setModelInfo(modelInfo);
+
         RequestInfo requestInfo = new RequestInfo();
         requestInfo.setRequestorId("ok883e");
         requestInfo.setSource("VID");
         requestDetails.setRequestInfo(requestInfo);
         RequestParameters requestParameters = new RequestParameters();
+
         requestParameters.setSubscriptionServiceType("subscriber-service-type");
         requestParameters.setAdditionalProperty("a", 1);
         requestParameters.setAdditionalProperty("b", 2);
@@ -90,4 +820,52 @@ public class MsoRestClientTest {
         requestDetails.setRequestParameters(requestParameters);
         return requestDetails;
     }
+
+    private org.onap.vid.changeManagement.RequestDetails generateChangeManagementMockMsoRequest() {
+        List<RelatedInstanceList> relatedInstances = new LinkedList<>();
+        relatedInstances.add(new RelatedInstanceList());
+
+        org.onap.vid.changeManagement.RequestDetails requestDetails = new org.onap.vid.changeManagement.RequestDetails();
+
+        requestDetails.setVnfName("test-vnf-name");
+        requestDetails.setVnfInstanceId("test-vnf-instance_id");
+        requestDetails.setRelatedInstList(relatedInstances);
+
+        CloudConfiguration cloudConfiguration = new CloudConfiguration();
+        cloudConfiguration.setTenantId("tenant-id");
+        cloudConfiguration.setLcpCloudRegionId("lcp-region");
+        requestDetails.setCloudConfiguration(cloudConfiguration);
+
+        ModelInfo modelInfo = new ModelInfo();
+        modelInfo.setModelInvariantId("model-invarient-id");
+        modelInfo.setModelCustomizationName("modelCustomizationName");
+        modelInfo.setModelType("test-model-type");
+        requestDetails.setModelInfo(modelInfo);
+
+        RequestInfo requestInfo = new RequestInfo();
+        requestInfo.setRequestorId("ok883e");
+        requestInfo.setSource("VID");
+        requestDetails.setRequestInfo(requestInfo);
+
+        RequestParameters requestParameters = new RequestParameters();
+        requestParameters.setSubscriptionServiceType("subscriber-service-type");
+        requestParameters.setAdditionalProperty("a", 1);
+        requestParameters.setAdditionalProperty("b", 2);
+        requestParameters.setAdditionalProperty("c", 3);
+        requestParameters.setAdditionalProperty("d", 4);
+        String payload = "{\"existing_software_version\": \"3.1\",\"new_software_version\": \"3.2\", \"operations_timeout\": \"3600\"}";
+        requestParameters.setAdditionalProperty("payload", payload);
+
+        requestDetails.setRequestParameters(requestParameters);
+        return requestDetails;
+    }
+
+    private RestObject<String> generateMockMsoRestObject() {
+        RestObject<String> restObject = new RestObject<>();
+
+        restObject.set("test-rest-object-body");
+        restObject.setRaw("test-rest-object-raw-string");
+        restObject.setStatusCode(202);
+        return restObject;
+    }
 }
diff --git a/vid-app-common/src/test/java/org/onap/vid/services/ChangeManagementServiceUnitTest.java b/vid-app-common/src/test/java/org/onap/vid/services/ChangeManagementServiceUnitTest.java
index b66899c31..e638605c1 100644
--- a/vid-app-common/src/test/java/org/onap/vid/services/ChangeManagementServiceUnitTest.java
+++ b/vid-app-common/src/test/java/org/onap/vid/services/ChangeManagementServiceUnitTest.java
@@ -26,6 +26,7 @@ import org.apache.commons.io.IOUtils;
 import org.mockito.ArgumentCaptor;
 import org.onap.portalsdk.core.service.DataAccessService;
 import org.onap.portalsdk.core.util.SystemProperties;
+import org.onap.vid.aai.util.HttpsAuthClient;
 import org.onap.vid.changeManagement.ChangeManagementRequest;
 import org.onap.vid.changeManagement.RequestDetailsWrapper;
 import org.onap.vid.client.SyncRestClient;
@@ -116,11 +117,6 @@ public class ChangeManagementServiceUnitTest extends AbstractTestNGSpringContext
     @Configuration
     public static class TestMsoConfig extends MsoConfig {
 
-        public MsoRestClientNew getMsoClient() {
-            MsoRestClientNew spyClient = spy(new MsoRestClientNew(new SyncRestClient(), ""));
-            return spyClient;
-        }
-
         @Bean
         public ChangeManagementService getChangeManagementService(DataAccessService dataAccessService, MsoBusinessLogic msoInterface, SchedulerRestInterfaceIfc schedulerRestInterface, CloudOwnerService cloudOwnerService) {
             return new ChangeManagementServiceImpl(dataAccessService, msoInterface, schedulerRestInterface, cloudOwnerService);