Fix bug in A1 clients
[nonrtric.git] / policy-agent / src / test / java / org / oransc / policyagent / clients / SdncOscA1ClientTest.java
index f5b3b25..a6f6187 100644 (file)
 
 package org.oransc.policyagent.clients;
 
+import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.file.Files;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Optional;
 
-import org.json.JSONException;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 import org.mockito.stubbing.OngoingStubbing;
+import org.oransc.policyagent.clients.A1Client.A1ProtocolType;
+import org.oransc.policyagent.clients.ImmutableAdapterOutput.Builder;
+import org.oransc.policyagent.clients.SdncOscA1Client.AdapterOutput;
+import org.oransc.policyagent.clients.SdncOscA1Client.AdapterRequest;
+import org.oransc.policyagent.configuration.ControllerConfig;
+import org.oransc.policyagent.configuration.ImmutableControllerConfig;
+import org.oransc.policyagent.repository.Policy;
+import org.oransc.policyagent.repository.Ric;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.reactive.function.client.WebClientResponseException;
 
-import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
 
 @ExtendWith(MockitoExtension.class)
-public class SdncOscA1ClientTest {
+class SdncOscA1ClientTest {
     private static final String CONTROLLER_USERNAME = "username";
     private static final String CONTROLLER_PASSWORD = "password";
     private static final String RIC_1_URL = "RicUrl";
-    private static final String POLICY_TYPES_IDENTITIES_URL = "/A1-ADAPTER-API:getPolicyTypeIdentities";
-    private static final String POLICY_IDENTITIES_URL = "/A1-ADAPTER-API:getPolicyIdentities";
-    private static final String POLICY_TYPES_URL = "/A1-ADAPTER-API:getPolicyType";
-    private static final String PUT_POLICY_URL = "/A1-ADAPTER-API:putPolicy";
-    private static final String DELETE_POLICY_URL = "/A1-ADAPTER-API:deletePolicy";
-
+    private static final String GET_A1_POLICY_URL = "/A1-ADAPTER-API:getA1Policy";
+    private static final String PUT_A1_URL = "/A1-ADAPTER-API:putA1Policy";
+    private static final String DELETE_A1_URL = "/A1-ADAPTER-API:deleteA1Policy";
+    private static final String GET_A1_POLICY_STATUS_URL = "/A1-ADAPTER-API:getA1PolicyStatus";
     private static final String POLICY_TYPE_1_ID = "type1";
-    private static final String POLICY_TYPE_2_ID = "type2";
-    private static final String POLICY_TYPE_SCHEMA_VALID = "{\"type\":\"type1\"}";
-    private static final String POLICY_TYPE_SCHEMA_INVALID = "\"type\":\"type1\"}";
     private static final String POLICY_1_ID = "policy1";
     private static final String POLICY_2_ID = "policy2";
     private static final String POLICY_JSON_VALID = "{\"scope\":{\"ueId\":\"ue1\"}}";
-    private static final String POLICY_JSON_INVALID = "\"scope\":{\"ueId\":\"ue1\"}}";
 
     SdncOscA1Client clientUnderTest;
 
+    @Mock
     AsyncRestClient asyncRestClientMock;
 
+    private ControllerConfig controllerConfig() {
+        return ImmutableControllerConfig.builder() //
+            .name("name") //
+            .baseUrl("baseUrl") //
+            .password(CONTROLLER_PASSWORD) //
+            .userName(CONTROLLER_USERNAME) //
+            .build();
+    }
+
     @BeforeEach
-    public void init() {
-        asyncRestClientMock = mock(AsyncRestClient.class);
-        clientUnderTest = new SdncOscA1Client(A1ClientHelper.createRic(RIC_1_URL).getConfig(), CONTROLLER_USERNAME,
-            CONTROLLER_PASSWORD, asyncRestClientMock);
+    void init() {
+        Ric ric = A1ClientHelper.createRic(RIC_1_URL);
+
+        clientUnderTest = new SdncOscA1Client(A1ProtocolType.SDNC_OSC_STD_V1_1, ric.getConfig(), controllerConfig(),
+            asyncRestClientMock);
+    }
+
+    @Test
+    void createClientWithWrongProtocol_thenErrorIsThrown() {
+        try {
+            new SdncOscA1Client(A1ProtocolType.STD_V1_1, null, null, new AsyncRestClient("", null));
+            fail("Should have thrown exception.");
+        } catch (IllegalArgumentException e) {
+            return;
+        }
     }
 
     @Test
-    public void testGetPolicyTypeIdentities() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
+    void getPolicyTypeIdentities_STD() {
+        List<String> policyTypeIds = clientUnderTest.getPolicyTypeIdentities().block();
+        assertEquals(1, policyTypeIds.size(), "should hardcoded to one");
+        assertEquals("", policyTypeIds.get(0), "should hardcoded to empty");
+    }
+
+    @Test
+    void getPolicyTypeIdentities_OSC() {
+        clientUnderTest = new SdncOscA1Client(A1ProtocolType.SDNC_OSC_OSC_V1, //
+            A1ClientHelper.createRic(RIC_1_URL).getConfig(), //
+            controllerConfig(), asyncRestClientMock);
+
+        String response = createOkResponseWithBody(Arrays.asList(POLICY_TYPE_1_ID));
+        whenAsyncPostThenReturn(Mono.just(response));
+
+        List<String> policyTypeIds = clientUnderTest.getPolicyTypeIdentities().block();
+
+        assertEquals(1, policyTypeIds.size());
+        assertEquals(POLICY_TYPE_1_ID, policyTypeIds.get(0));
+
+        String expUrl = RIC_1_URL + "/a1-p/policytypes";
+        ImmutableAdapterRequest expectedParams = ImmutableAdapterRequest.builder() //
+            .nearRtRicUrl(expUrl) //
             .build();
-        String inputJsonString = A1ClientHelper.createInputJsonString(inputParams);
+        String expInput = SdncJsonHelper.createInputJsonString(expectedParams);
+        verify(asyncRestClientMock).postWithAuthHeader(GET_A1_POLICY_URL, expInput, CONTROLLER_USERNAME,
+            CONTROLLER_PASSWORD);
+    }
 
-        List<String> policyTypeIds = Arrays.asList(POLICY_TYPE_1_ID, POLICY_TYPE_2_ID);
-        Mono<String> policyTypeIdsResp =
-            A1ClientHelper.createOutputJsonResponse("policy-type-id-list", policyTypeIds.toString());
-        whenAsyncPostThenReturn(policyTypeIdsResp);
+    @Test
+    void getTypeSchema_STD() {
+        String policyType = clientUnderTest.getPolicyTypeSchema("").block();
+
+        assertEquals("{}", policyType);
+    }
+
+    @Test
+    void getTypeSchema_OSC() throws IOException {
+        clientUnderTest = new SdncOscA1Client(A1ProtocolType.SDNC_OSC_OSC_V1, //
+            A1ClientHelper.createRic(RIC_1_URL).getConfig(), //
+            controllerConfig(), asyncRestClientMock);
 
-        Mono<List<String>> returnedMono = clientUnderTest.getPolicyTypeIdentities();
+        String ricResponse = loadFile("test_osc_get_schema_response.json");
+        JsonElement elem = gson().fromJson(ricResponse, JsonElement.class);
+        String responseFromController = createOkResponseWithBody(elem);
+        whenAsyncPostThenReturn(Mono.just(responseFromController));
 
-        verify(asyncRestClientMock).postWithAuthHeader(POLICY_TYPES_IDENTITIES_URL, inputJsonString,
-            CONTROLLER_USERNAME, CONTROLLER_PASSWORD);
-        StepVerifier.create(returnedMono).expectNext(policyTypeIds).expectComplete().verify();
+        String response = clientUnderTest.getPolicyTypeSchema("policyTypeId").block();
+
+        JsonElement respJson = gson().fromJson(response, JsonElement.class);
+        assertEquals("policyTypeId", respJson.getAsJsonObject().get("title").getAsString(),
+            "title should be updated to contain policyType ID");
     }
 
     @Test
-    public void testGetPolicyIdentities() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .build();
-        String inputJsonString = A1ClientHelper.createInputJsonString(inputParams);
+    void parseJsonArrayOfString() {
+        // One integer and one string
+        String inputString = "[1, \"1\" ]";
+
+        List<String> result = SdncJsonHelper.parseJsonArrayOfString(inputString).collectList().block();
+        assertEquals(2, result.size());
+        assertEquals("1", result.get(0));
+        assertEquals("1", result.get(1));
+    }
+
+    @Test
+    void getPolicyIdentities_STD() {
+
+        String policyIdsResp = createOkResponseWithBody(Arrays.asList(POLICY_1_ID, POLICY_2_ID));
+        whenAsyncPostThenReturn(Mono.just(policyIdsResp));
 
-        List<String> policyIds = Arrays.asList(POLICY_1_ID, POLICY_2_ID);
-        Mono<String> policyIdsResp = A1ClientHelper.createOutputJsonResponse("policy-id-list", policyIds.toString());
-        whenAsyncPostThenReturn(policyIdsResp);
+        List<String> returned = clientUnderTest.getPolicyIdentities().block();
 
-        Mono<List<String>> returnedMono = clientUnderTest.getPolicyIdentities();
+        assertEquals(2, returned.size());
 
-        verify(asyncRestClientMock).postWithAuthHeader(POLICY_IDENTITIES_URL, inputJsonString, CONTROLLER_USERNAME,
+        ImmutableAdapterRequest expectedParams = ImmutableAdapterRequest.builder() //
+            .nearRtRicUrl(policiesUrl()) //
+            .build();
+        String expInput = SdncJsonHelper.createInputJsonString(expectedParams);
+        verify(asyncRestClientMock).postWithAuthHeader(GET_A1_POLICY_URL, expInput, CONTROLLER_USERNAME,
             CONTROLLER_PASSWORD);
-        StepVerifier.create(returnedMono).expectNext(policyIds).expectComplete().verify();
+
     }
 
     @Test
-    public void testGetValidPolicyType() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .policyTypeId(POLICY_TYPE_1_ID) //
-            .build();
-        String inputJsonString = A1ClientHelper.createInputJsonString(inputParams);
+    void getPolicyIdentities_OSC() {
+        clientUnderTest = new SdncOscA1Client(A1ProtocolType.SDNC_OSC_OSC_V1, //
+            A1ClientHelper.createRic(RIC_1_URL).getConfig(), //
+            controllerConfig(), asyncRestClientMock);
 
-        String policyType = "{\"policySchema\": " + POLICY_TYPE_SCHEMA_VALID + ", \"statusSchema\": {} }";
-        Mono<String> policyTypeResp = A1ClientHelper.createOutputJsonResponse("policy-type", policyType);
-        whenAsyncPostThenReturn(policyTypeResp);
+        String policytypeIdsResp = createOkResponseWithBody(Arrays.asList(POLICY_TYPE_1_ID));
+        String policyIdsResp = createOkResponseWithBody(Arrays.asList(POLICY_1_ID, POLICY_2_ID));
+        whenAsyncPostThenReturn(Mono.just(policytypeIdsResp)).thenReturn(Mono.just(policyIdsResp));
 
-        Mono<String> returnedMono = clientUnderTest.getPolicyTypeSchema(POLICY_TYPE_1_ID);
+        List<String> returned = clientUnderTest.getPolicyIdentities().block();
 
-        verify(asyncRestClientMock).postWithAuthHeader(POLICY_TYPES_URL, inputJsonString, CONTROLLER_USERNAME,
+        assertEquals(2, returned.size());
+
+        ImmutableAdapterRequest expectedParams = ImmutableAdapterRequest.builder() //
+            .nearRtRicUrl(RIC_1_URL + "/a1-p/policytypes/type1/policies") //
+            .build();
+        String expInput = SdncJsonHelper.createInputJsonString(expectedParams);
+        verify(asyncRestClientMock).postWithAuthHeader(GET_A1_POLICY_URL, expInput, CONTROLLER_USERNAME,
             CONTROLLER_PASSWORD);
-        StepVerifier.create(returnedMono).expectNext(POLICY_TYPE_SCHEMA_VALID).expectComplete().verify();
     }
 
     @Test
-    public void testGetInvalidPolicyType() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .policyTypeId(POLICY_TYPE_1_ID) //
+    void putPolicyValidResponse() {
+        whenPostReturnOkResponse();
+
+        String returned = clientUnderTest
+            .putPolicy(A1ClientHelper.createPolicy(RIC_1_URL, POLICY_1_ID, POLICY_JSON_VALID, POLICY_TYPE_1_ID))
+            .block();
+
+        assertEquals("OK", returned);
+        final String expUrl = policiesUrl() + "/" + POLICY_1_ID;
+        AdapterRequest expectedInputParams = ImmutableAdapterRequest.builder() //
+            .nearRtRicUrl(expUrl) //
+            .body(POLICY_JSON_VALID) //
             .build();
-        String inputJsonString = A1ClientHelper.createInputJsonString(inputParams);
+        String expInput = SdncJsonHelper.createInputJsonString(expectedInputParams);
 
-        String policyType = "{\"policySchema\": " + POLICY_TYPE_SCHEMA_INVALID + ", \"statusSchema\": {} }";
-        Mono<String> policyTypeResp = A1ClientHelper.createOutputJsonResponse("policy-type", policyType);
-        whenAsyncPostThenReturn(policyTypeResp);
+        verify(asyncRestClientMock).postWithAuthHeader(PUT_A1_URL, expInput, CONTROLLER_USERNAME, CONTROLLER_PASSWORD);
+    }
 
-        Mono<String> returnedMono = clientUnderTest.getPolicyTypeSchema(POLICY_TYPE_1_ID);
+    @Test
+    void putPolicyRejected() {
+        final String policyJson = "{}";
+        AdapterOutput adapterOutput = ImmutableAdapterOutput.builder() //
+            .body("NOK") //
+            .httpStatus(HttpStatus.BAD_REQUEST.value()) // ERROR
+            .build();
+
+        String resp = SdncJsonHelper.createOutputJsonString(adapterOutput);
+        whenAsyncPostThenReturn(Mono.just(resp));
 
-        verify(asyncRestClientMock).postWithAuthHeader(POLICY_TYPES_URL, inputJsonString, CONTROLLER_USERNAME,
+        Mono<String> returnedMono = clientUnderTest
+            .putPolicy(A1ClientHelper.createPolicy(RIC_1_URL, POLICY_1_ID, policyJson, POLICY_TYPE_1_ID));
+        StepVerifier.create(returnedMono) //
+            .expectSubscription() //
+            .expectErrorMatches(t -> t instanceof WebClientResponseException) //
+            .verify();
+
+        final String expUrl = policiesUrl() + "/" + POLICY_1_ID;
+        AdapterRequest expRequestParams = ImmutableAdapterRequest.builder() //
+            .nearRtRicUrl(expUrl) //
+            .body(policyJson) //
+            .build();
+        String expRequest = SdncJsonHelper.createInputJsonString(expRequestParams);
+        verify(asyncRestClientMock).postWithAuthHeader(PUT_A1_URL, expRequest, CONTROLLER_USERNAME,
             CONTROLLER_PASSWORD);
-        StepVerifier.create(returnedMono).expectErrorMatches(throwable -> throwable instanceof JSONException).verify();
+        StepVerifier.create(returnedMono)
+            .expectErrorMatches(throwable -> throwable instanceof WebClientResponseException).verify();
     }
 
     @Test
-    public void testPutPolicyValidResponse() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .policyTypeId(POLICY_TYPE_1_ID) //
-            .policyId(POLICY_1_ID) //
-            .policy(POLICY_JSON_VALID) //
-            .build();
-        String inputJsonString = A1ClientHelper.createInputJsonString(inputParams);
+    void deletePolicy() {
+        whenPostReturnOkResponse();
 
-        Mono<String> policyResp = A1ClientHelper.createOutputJsonResponse("returned-policy", POLICY_JSON_VALID);
-        whenAsyncPostThenReturn(policyResp);
+        String returned = clientUnderTest
+            .deletePolicy(A1ClientHelper.createPolicy(RIC_1_URL, POLICY_1_ID, POLICY_JSON_VALID, POLICY_TYPE_1_ID))
+            .block();
 
-        Mono<String> returnedMono = clientUnderTest
-            .putPolicy(A1ClientHelper.createPolicy(RIC_1_URL, POLICY_1_ID, POLICY_JSON_VALID, POLICY_TYPE_1_ID));
+        assertEquals("OK", returned);
+        final String expUrl = policiesUrl() + "/" + POLICY_1_ID;
+        AdapterRequest expectedInputParams = ImmutableAdapterRequest.builder() //
+            .nearRtRicUrl(expUrl) //
+            .build();
+        String expInput = SdncJsonHelper.createInputJsonString(expectedInputParams);
 
-        verify(asyncRestClientMock).postWithAuthHeader(PUT_POLICY_URL, inputJsonString, CONTROLLER_USERNAME,
+        verify(asyncRestClientMock).postWithAuthHeader(DELETE_A1_URL, expInput, CONTROLLER_USERNAME,
             CONTROLLER_PASSWORD);
-        StepVerifier.create(returnedMono).expectNext(POLICY_JSON_VALID).expectComplete().verify();
     }
 
     @Test
-    public void testPutPolicyInvalidResponse() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .policyTypeId(POLICY_TYPE_1_ID) //
-            .policyId(POLICY_1_ID) //
-            .policy(POLICY_JSON_VALID) //
-            .build();
-        String inputJsonString = A1ClientHelper.createInputJsonString(inputParams);
+    void getStatus() {
+        whenPostReturnOkResponse();
 
-        Mono<String> policyResp = A1ClientHelper.createOutputJsonResponse("returned-policy", POLICY_JSON_INVALID);
-        whenAsyncPostThenReturn(policyResp);
+        Policy policy = A1ClientHelper.createPolicy(RIC_1_URL, POLICY_1_ID, POLICY_JSON_VALID, POLICY_TYPE_1_ID);
 
-        Mono<String> returnedMono = clientUnderTest
-            .putPolicy(A1ClientHelper.createPolicy(RIC_1_URL, POLICY_1_ID, POLICY_JSON_VALID, POLICY_TYPE_1_ID));
+        String returnedStatus = clientUnderTest.getPolicyStatus(policy).block();
 
-        verify(asyncRestClientMock).postWithAuthHeader(PUT_POLICY_URL, inputJsonString, CONTROLLER_USERNAME,
+        assertEquals("OK", returnedStatus, "unexpected status");
+
+        final String expUrl = policiesUrl() + "/" + POLICY_1_ID + "/status";
+        AdapterRequest expectedInputParams = ImmutableAdapterRequest.builder() //
+            .nearRtRicUrl(expUrl) //
+            .build();
+        String expInput = SdncJsonHelper.createInputJsonString(expectedInputParams);
+
+        verify(asyncRestClientMock).postWithAuthHeader(GET_A1_POLICY_STATUS_URL, expInput, CONTROLLER_USERNAME,
             CONTROLLER_PASSWORD);
-        StepVerifier.create(returnedMono).expectErrorMatches(throwable -> throwable instanceof JSONException).verify();
     }
 
     @Test
-    public void testDeletePolicy() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .policyId(POLICY_1_ID) //
-            .build();
-        String inputJsonString = A1ClientHelper.createInputJsonString(inputParams);
+    void getVersion_STD() {
+        whenPostReturnOkResponse();
 
-        whenAsyncPostThenReturn(Mono.empty());
+        A1ProtocolType returnedVersion = clientUnderTest.getProtocolVersion().block();
 
-        Mono<String> returnedMono = clientUnderTest
-            .deletePolicy(A1ClientHelper.createPolicy(RIC_1_URL, POLICY_1_ID, POLICY_JSON_VALID, POLICY_TYPE_1_ID));
+        assertEquals(A1ProtocolType.SDNC_OSC_STD_V1_1, returnedVersion);
 
-        verify(asyncRestClientMock).postWithAuthHeader(DELETE_POLICY_URL, inputJsonString, CONTROLLER_USERNAME,
-            CONTROLLER_PASSWORD);
-        StepVerifier.create(returnedMono).expectComplete().verify();
+        whenPostReturnOkResponseNoBody();
+
+        returnedVersion = clientUnderTest.getProtocolVersion().block();
+
+        assertEquals(A1ProtocolType.SDNC_OSC_STD_V1_1, returnedVersion);
     }
 
     @Test
-    public void testDeleteAllPolicies() {
-        SdncOscAdapterInput inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .build();
-        String inputJsonStringGetIds = A1ClientHelper.createInputJsonString(inputParams);
-        inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .policyId(POLICY_1_ID) //
-            .build();
-        String inputJsonStringDeletePolicy1 = A1ClientHelper.createInputJsonString(inputParams);
-        inputParams = ImmutableSdncOscAdapterInput.builder() //
-            .nearRtRicUrl(RIC_1_URL) //
-            .policyId(POLICY_2_ID) //
-            .build();
-        String inputJsonStringDeletePolicy2 = A1ClientHelper.createInputJsonString(inputParams);
+    void getVersion_OSC() {
+        clientUnderTest = new SdncOscA1Client(A1ProtocolType.SDNC_OSC_OSC_V1, //
+            A1ClientHelper.createRic(RIC_1_URL).getConfig(), //
+            controllerConfig(), asyncRestClientMock);
+
+        whenAsyncPostThenReturn(Mono.error(new Exception("Error"))).thenReturn(Mono.just(createOkResponseString(true)));
 
-        List<String> policyIds = Arrays.asList(POLICY_1_ID, POLICY_2_ID);
-        Mono<String> policyIdsResp = A1ClientHelper.createOutputJsonResponse("policy-id-list", policyIds.toString());
-        whenAsyncPostThenReturn(policyIdsResp).thenReturn(Mono.empty());
+        A1ProtocolType returnedVersion = clientUnderTest.getProtocolVersion().block();
+
+        assertEquals(A1ProtocolType.SDNC_OSC_OSC_V1, returnedVersion);
+    }
+
+    private String policiesUrl() {
+        return RIC_1_URL + "/A1-P/v1/policies";
+    }
+
+    private Gson gson() {
+        return SdncOscA1Client.gson;
+    }
 
-        Flux<String> returnedFlux = clientUnderTest.deleteAllPolicies();
+    private String loadFile(String fileName) throws IOException {
+        ClassLoader loader = Thread.currentThread().getContextClassLoader();
+        URL url = loader.getResource(fileName);
+        File file = new File(url.getFile());
+        return new String(Files.readAllBytes(file.toPath()));
+    }
+
+    private void whenPostReturnOkResponse() {
+        whenAsyncPostThenReturn(Mono.just(createOkResponseString(true)));
+    }
+
+    private void whenPostReturnOkResponseNoBody() {
+        whenAsyncPostThenReturn(Mono.just(createOkResponseString(false)));
+    }
+
+    private String createOkResponseWithBody(Object body) {
+        AdapterOutput output = ImmutableAdapterOutput.builder() //
+            .body(gson().toJson(body)) //
+            .httpStatus(HttpStatus.OK.value()) //
+            .build();
+        return SdncJsonHelper.createOutputJsonString(output);
+    }
 
-        StepVerifier.create(returnedFlux).expectComplete().verify();
-        verify(asyncRestClientMock).postWithAuthHeader(POLICY_IDENTITIES_URL, inputJsonStringGetIds,
-            CONTROLLER_USERNAME, CONTROLLER_PASSWORD);
-        verify(asyncRestClientMock).postWithAuthHeader(DELETE_POLICY_URL, inputJsonStringDeletePolicy1,
-            CONTROLLER_USERNAME, CONTROLLER_PASSWORD);
-        verify(asyncRestClientMock).postWithAuthHeader(DELETE_POLICY_URL, inputJsonStringDeletePolicy2,
-            CONTROLLER_USERNAME, CONTROLLER_PASSWORD);
+    private String createOkResponseString(boolean withBody) {
+        Builder responseBuilder = ImmutableAdapterOutput.builder().httpStatus(HttpStatus.OK.value());
+        if (withBody) {
+            responseBuilder.body(HttpStatus.OK.name());
+        } else {
+            responseBuilder.body(Optional.empty());
+        }
+        return SdncJsonHelper.createOutputJsonString(responseBuilder.build());
     }
 
     private OngoingStubbing<Mono<String>> whenAsyncPostThenReturn(Mono<String> response) {