Add REST client for Api-handler

This enables calling api-handler from bpmn-infra

Issue-ID: SO-3811
Signed-off-by: Jozsef Csongvai <jozsef.csongvai@bell.ca>
Change-Id: I59a6c7859505f9fca4729089914f43834ceb6323

5 files changed, 228 insertions, 1 deletions

diff --git a/bpmn/so-bpmn-building-blocks/src/test/resources/application-test.yaml b/bpmn/so-bpmn-building-blocks/src/test/resources/application-test.yaml
index c36172c3bf..14640f4eec 100644
--- a/bpmn/so-bpmn-building-blocks/src/test/resources/application-test.yaml
+++ b/bpmn/so-bpmn-building-blocks/src/test/resources/application-test.yaml
@@ -75,7 +75,9 @@ mso:
     requestDb:
       auth: Basic YnBlbDptc28tZGItMTUwNyE=
       endpoint: http://localhost:8081
-
+    apihandler:
+      endpoint: http://localhost:8080
+      auth: Basic dGVzdDp0ZXN0Cg==
   async:
       core-pool-size: 50
       max-pool-size: 50
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/ApiHandlerClient.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/ApiHandlerClient.java
new file mode 100644
index 0000000000..132e618ba5
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/ApiHandlerClient.java
@@ -0,0 +1,73 @@
+package org.onap.so.client.orchestration;
+
+import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
+import org.onap.so.serviceinstancebeans.ServiceInstancesResponse;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.HttpStatusCodeException;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+import static org.onap.so.client.orchestration.RestTemplateApiClientConfig.REST_TEMPLATE_API_HANDLER;
+
+@Component
+public class ApiHandlerClient {
+
+    @Value("${mso.adapters.apihandler.serviceInstantiationEndpoint:/onap/so/infra/serviceInstantiation/v7/serviceInstances}")
+    private String serviceInstantiationEndpoint;
+    @Value("${mso.adapters.apihandler.endpoint}")
+    private String baseUri;
+    @Value("${mso.adapters.apihandler.auth}")
+    private String auth;
+
+    private RestTemplate restTemplate;
+
+    public ApiHandlerClient(@Qualifier(REST_TEMPLATE_API_HANDLER) RestTemplate restTemplate) {
+        this.restTemplate = restTemplate;
+    }
+
+    public ServiceInstancesResponse createServiceInstance(ServiceInstancesRequest serviceInstancesRequest)
+            throws ApiHandlerClientException {
+        try {
+            HttpEntity<ServiceInstancesRequest> request = createRequest(serviceInstancesRequest);
+            return restTemplate.exchange(baseUri + serviceInstantiationEndpoint, HttpMethod.POST, request,
+                    ServiceInstancesResponse.class).getBody();
+        } catch (HttpStatusCodeException e) {
+            throw new ApiHandlerClientException("Failed sending service createInstance request to api-handler."
+                    + " Error: " + e.getResponseBodyAsString());
+        } catch (RestClientException e) {
+            throw new ApiHandlerClientException(
+                    "Failed sending service createInstance request to api-handler." + " Error: " + e.getMessage());
+        }
+    }
+
+    public ServiceInstancesResponse deleteServiceInstance(ServiceInstancesRequest serviceInstancesRequest)
+            throws ApiHandlerClientException {
+        try {
+            HttpEntity<ServiceInstancesRequest> request = createRequest(serviceInstancesRequest);
+            return restTemplate.exchange(
+                    baseUri + serviceInstantiationEndpoint
+                            + String.format("/%s", serviceInstancesRequest.getServiceInstanceId()),
+                    HttpMethod.DELETE, request, ServiceInstancesResponse.class).getBody();
+        } catch (HttpStatusCodeException e) {
+            throw new ApiHandlerClientException("Failed sending service deleteInstance request to api-handler."
+                    + " Error: " + e.getResponseBodyAsString());
+        } catch (RestClientException e) {
+            throw new ApiHandlerClientException(
+                    "Failed sending service deleteInstance request to api-handler." + " Error: " + e.getMessage());
+        }
+    }
+
+    private HttpEntity<ServiceInstancesRequest> createRequest(ServiceInstancesRequest serviceInstancesRequest) {
+        HttpHeaders headers = new HttpHeaders();
+        headers.add(HttpHeaders.AUTHORIZATION, auth);
+        headers.set(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);
+        headers.set(HttpHeaders.ACCEPT, String.valueOf(MediaType.APPLICATION_JSON));
+
+        return new HttpEntity<>(serviceInstancesRequest, headers);
+    }
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/ApiHandlerClientException.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/ApiHandlerClientException.java
new file mode 100644
index 0000000000..0a4c60cdf7
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/ApiHandlerClientException.java
@@ -0,0 +1,8 @@
+package org.onap.so.client.orchestration;
+
+public class ApiHandlerClientException extends Exception {
+
+    public ApiHandlerClientException(String errorMessage) {
+        super(errorMessage);
+    }
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/RestTemplateApiClientConfig.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/RestTemplateApiClientConfig.java
new file mode 100644
index 0000000000..a01fbe18f8
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/RestTemplateApiClientConfig.java
@@ -0,0 +1,23 @@
+package org.onap.so.client.orchestration;
+
+import org.onap.logging.filter.spring.SpringClientPayloadFilter;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.BufferingClientHttpRequestFactory;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateApiClientConfig {
+    public static final String REST_TEMPLATE_API_HANDLER = "restTemplateApiHandler";
+
+    @Bean(REST_TEMPLATE_API_HANDLER)
+    public RestTemplate restTemplate() {
+        final RestTemplate restTemplate = new RestTemplate();
+        restTemplate
+                .setRequestFactory(new BufferingClientHttpRequestFactory(new HttpComponentsClientHttpRequestFactory()));
+        restTemplate.getInterceptors().add((new SpringClientPayloadFilter()));
+        return restTemplate;
+    }
+
+}
diff --git a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/client/orchestration/ApiHandlerClientTest.java b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/client/orchestration/ApiHandlerClientTest.java
new file mode 100644
index 0000000000..f3a04e6f54
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/client/orchestration/ApiHandlerClientTest.java
@@ -0,0 +1,121 @@
+package org.onap.so.client.orchestration;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentMatchers;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
+import org.onap.so.serviceinstancebeans.ServiceInstancesResponse;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.web.client.HttpClientErrorException;
+import org.springframework.web.client.RestTemplate;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+import static org.hamcrest.CoreMatchers.instanceOf;
+
+
+@TestPropertySource(properties = {"mso.adapters.apihandler.endpoint=http://localhost:",
+        "mso.adapters.apihandler.auth=Basic dGVzdDp0ZXN0Cg=="})
+@RunWith(SpringJUnit4ClassRunner.class)
+public class ApiHandlerClientTest {
+
+    @InjectMocks
+    private ApiHandlerClient client;
+
+    @Mock
+    protected RestTemplate restTemplate;
+
+    private ServiceInstancesRequest buildRequest(String incomingRequest) {
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        ServiceInstancesRequest request = null;
+        try {
+            request = mapper.readValue(incomingRequest, ServiceInstancesRequest.class);
+            System.out.println("Java Object: " + request);
+        } catch (Exception e) {
+            System.out.println("Caught Exception " + e.getMessage());
+            Assert.fail("Could not build ServiceInstancesRequest object");
+        }
+        return request;
+    }
+
+    @Test
+    public void createServiceInstanceTest() {
+        String incomingRequest =
+                "{\"requestDetails\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"owningEntity\":{\"owningEntityId\":\"038d99af-0427-42c2-9d15-971b99b9b489\",\"owningEntityName\":\"PACKETCORE\"},\"project\":{\"projectName\":\"{someprojectname}\"},\"subscriberInfo\":{\"globalSubscriberId\":\"{somesubscriberid}\"},\"requestInfo\":{\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"source\":\"VID\",\"suppressRollback\":true,\"requestorId\":\"xxxxxx\"},\"requestParameters\":{\"subscriptionServiceType\":\"VMX\",\"aLaCarte\":false,\"userParams\":[{\"service\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"instanceParams\":[],\"resources\":{\"vnfs\":[{\"modelInfo\":{\"modelType\":\"vnf\",\"modelName\":\"2016-73_MOW\",\"modelVersionId\":\"7f40c192-f63c-463e-ba94-286933b895f8\",\"modelCustomizationName\":\"2016-73_MOW\",\"modelCustomizationId\":\"ab153b6e-c364-44c0-bef6-1f2982117f04\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"platform\":{\"platformName\":\"test\"},\"lineOfBusiness\":{\"lineOfBusinessName\":\"someValue\"},\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"instanceParams\":[],\"vfModules\":[{\"modelInfo\":{\"modelType\":\"vfModule\",\"modelName\":\"201673MowtestBvL\",\"modelVersionId\":\"4c75f813-fa91-45a4-89d0-790ff5f1ae79\",\"modelCustomizationId\":\"a25e8e8c-58b8-4eec-810c-97dcc1f5cb7f\"},\"instanceName\":\"vfModule1\",\"instanceParams\":[{\"vmx_int_net_len\":\"24\"}]}]}]}}}]}}}";
+        ServiceInstancesRequest request = buildRequest(incomingRequest);
+        ResponseEntity<ServiceInstancesResponse> responseEntity =
+                new ResponseEntity<ServiceInstancesResponse>(new ServiceInstancesResponse(), HttpStatus.ACCEPTED);
+        Mockito.when(restTemplate.exchange(ArgumentMatchers.anyString(), ArgumentMatchers.any(HttpMethod.class),
+                ArgumentMatchers.any(), ArgumentMatchers.<Class<ServiceInstancesResponse>>any()))
+                .thenReturn(responseEntity);
+
+        try {
+            ServiceInstancesResponse response = client.createServiceInstance(request);
+            assertThat(response, instanceOf(ServiceInstancesResponse.class));
+        } catch (ApiHandlerClientException e) {
+            Assert.fail(e.getMessage());
+        }
+    }
+
+    @Test
+    public void createServiceInstanceErrorTest() {
+        String incomingRequest =
+                "{\"requestDetails\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"owningEntity\":{\"owningEntityId\":\"038d99af-0427-42c2-9d15-971b99b9b489\",\"owningEntityName\":\"PACKETCORE\"},\"project\":{\"projectName\":\"{someprojectname}\"},\"subscriberInfo\":{\"globalSubscriberId\":\"{somesubscriberid}\"},\"requestInfo\":{\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"source\":\"VID\",\"suppressRollback\":true,\"requestorId\":\"xxxxxx\"},\"requestParameters\":{\"subscriptionServiceType\":\"VMX\",\"aLaCarte\":false,\"userParams\":[{\"service\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"instanceParams\":[],\"resources\":{\"vnfs\":[{\"modelInfo\":{\"modelType\":\"vnf\",\"modelName\":\"2016-73_MOW\",\"modelVersionId\":\"7f40c192-f63c-463e-ba94-286933b895f8\",\"modelCustomizationName\":\"2016-73_MOW\",\"modelCustomizationId\":\"ab153b6e-c364-44c0-bef6-1f2982117f04\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"platform\":{\"platformName\":\"test\"},\"lineOfBusiness\":{\"lineOfBusinessName\":\"someValue\"},\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"instanceParams\":[],\"vfModules\":[{\"modelInfo\":{\"modelType\":\"vfModule\",\"modelName\":\"201673MowtestBvL\",\"modelVersionId\":\"4c75f813-fa91-45a4-89d0-790ff5f1ae79\",\"modelCustomizationId\":\"a25e8e8c-58b8-4eec-810c-97dcc1f5cb7f\"},\"instanceName\":\"vfModule1\",\"instanceParams\":[{\"vmx_int_net_len\":\"24\"}]}]}]}}}]}}}";
+        ServiceInstancesRequest request = buildRequest(incomingRequest);
+        Mockito.when(restTemplate.exchange(ArgumentMatchers.anyString(), ArgumentMatchers.any(HttpMethod.class),
+                ArgumentMatchers.any(), ArgumentMatchers.<Class<ServiceInstancesResponse>>any()))
+                .thenThrow(new HttpClientErrorException(HttpStatus.NOT_FOUND));
+        try {
+            client.createServiceInstance(request);
+            Assert.fail("ApiHandlerClientException exception was not thrown");
+        } catch (ApiHandlerClientException e) {
+            assertEquals("Failed sending service createInstance request to api-handler. Error: ", e.getMessage());
+        }
+    }
+
+    @Test
+    public void deleteServiceInstanceTest() {
+        String incomingRequest =
+                "{\"requestDetails\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"owningEntity\":{\"owningEntityId\":\"038d99af-0427-42c2-9d15-971b99b9b489\",\"owningEntityName\":\"PACKETCORE\"},\"project\":{\"projectName\":\"{someprojectname}\"},\"subscriberInfo\":{\"globalSubscriberId\":\"{somesubscriberid}\"},\"requestInfo\":{\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"source\":\"VID\",\"suppressRollback\":true,\"requestorId\":\"xxxxxx\"},\"requestParameters\":{\"subscriptionServiceType\":\"VMX\",\"aLaCarte\":false,\"userParams\":[{\"service\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"instanceParams\":[],\"resources\":{\"vnfs\":[{\"modelInfo\":{\"modelType\":\"vnf\",\"modelName\":\"2016-73_MOW\",\"modelVersionId\":\"7f40c192-f63c-463e-ba94-286933b895f8\",\"modelCustomizationName\":\"2016-73_MOW\",\"modelCustomizationId\":\"ab153b6e-c364-44c0-bef6-1f2982117f04\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"platform\":{\"platformName\":\"test\"},\"lineOfBusiness\":{\"lineOfBusinessName\":\"someValue\"},\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"instanceParams\":[],\"vfModules\":[{\"modelInfo\":{\"modelType\":\"vfModule\",\"modelName\":\"201673MowtestBvL\",\"modelVersionId\":\"4c75f813-fa91-45a4-89d0-790ff5f1ae79\",\"modelCustomizationId\":\"a25e8e8c-58b8-4eec-810c-97dcc1f5cb7f\"},\"instanceName\":\"vfModule1\",\"instanceParams\":[{\"vmx_int_net_len\":\"24\"}]}]}]}}}]}}}";
+        ServiceInstancesRequest request = buildRequest(incomingRequest);
+        ResponseEntity<ServiceInstancesResponse> responseEntity =
+                new ResponseEntity<ServiceInstancesResponse>(new ServiceInstancesResponse(), HttpStatus.ACCEPTED);
+        Mockito.when(restTemplate.exchange(ArgumentMatchers.anyString(), ArgumentMatchers.any(HttpMethod.class),
+                ArgumentMatchers.any(), ArgumentMatchers.<Class<ServiceInstancesResponse>>any()))
+                .thenReturn(responseEntity);
+
+        try {
+            ServiceInstancesResponse response = client.deleteServiceInstance(request);
+            assertThat(response, instanceOf(ServiceInstancesResponse.class));
+        } catch (ApiHandlerClientException e) {
+            Assert.fail(e.getMessage());
+        }
+    }
+
+    @Test
+    public void deleteServiceInstanceErrorTest() {
+        String incomingRequest =
+                "{\"requestDetails\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"owningEntity\":{\"owningEntityId\":\"038d99af-0427-42c2-9d15-971b99b9b489\",\"owningEntityName\":\"PACKETCORE\"},\"project\":{\"projectName\":\"{someprojectname}\"},\"subscriberInfo\":{\"globalSubscriberId\":\"{somesubscriberid}\"},\"requestInfo\":{\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"source\":\"VID\",\"suppressRollback\":true,\"requestorId\":\"xxxxxx\"},\"requestParameters\":{\"subscriptionServiceType\":\"VMX\",\"aLaCarte\":false,\"userParams\":[{\"service\":{\"modelInfo\":{\"modelType\":\"service\",\"modelInvariantId\":\"5d48acb5-097d-4982-aeb2-f4a3bd87d31b\",\"modelVersionId\":\"3c40d244-808e-42ca-b09a-256d83d19d0a\",\"modelName\":\"MOWvMXBV1Service\",\"modelVersion\":\"10.0\"},\"instanceParams\":[],\"resources\":{\"vnfs\":[{\"modelInfo\":{\"modelType\":\"vnf\",\"modelName\":\"2016-73_MOW\",\"modelVersionId\":\"7f40c192-f63c-463e-ba94-286933b895f8\",\"modelCustomizationName\":\"2016-73_MOW\",\"modelCustomizationId\":\"ab153b6e-c364-44c0-bef6-1f2982117f04\"},\"cloudConfiguration\":{\"lcpCloudRegionId\":\"mdt1\",\"tenantId\":\"88a6ca3ee0394ade9403f075db23167e\"},\"platform\":{\"platformName\":\"test\"},\"lineOfBusiness\":{\"lineOfBusinessName\":\"someValue\"},\"productFamilyId\":\"a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb\",\"instanceParams\":[],\"vfModules\":[{\"modelInfo\":{\"modelType\":\"vfModule\",\"modelName\":\"201673MowtestBvL\",\"modelVersionId\":\"4c75f813-fa91-45a4-89d0-790ff5f1ae79\",\"modelCustomizationId\":\"a25e8e8c-58b8-4eec-810c-97dcc1f5cb7f\"},\"instanceName\":\"vfModule1\",\"instanceParams\":[{\"vmx_int_net_len\":\"24\"}]}]}]}}}]}}}";
+        ServiceInstancesRequest request = buildRequest(incomingRequest);
+        Mockito.when(restTemplate.exchange(ArgumentMatchers.anyString(), ArgumentMatchers.any(HttpMethod.class),
+                ArgumentMatchers.any(), ArgumentMatchers.<Class<ServiceInstancesResponse>>any()))
+                .thenThrow(new HttpClientErrorException(HttpStatus.NOT_FOUND));
+        try {
+            client.deleteServiceInstance(request);
+            Assert.fail("ApiHandlerClientException exception was not thrown");
+        } catch (ApiHandlerClientException e) {
+            assertEquals("Failed sending service deleteInstance request to api-handler. Error: ", e.getMessage());
+        }
+    }
+
+}