Refactor SOL003 Adapter to organize its modules

based on functions

Change-Id: I10b2376a552272ac3b405b2dae718adcb7e1e489
Issue-ID: SO-2771
Signed-off-by: waqas.ikram <waqas.ikram@est.tech>

6 files changed, 1826 insertions, 0 deletions

diff --git a/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/EtsiSubscriptionNotificationControllerTest.java b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/EtsiSubscriptionNotificationControllerTest.java
new file mode 100644
index 0000000000..1d3cf73729
--- /dev/null
+++ b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/EtsiSubscriptionNotificationControllerTest.java
@@ -0,0 +1,602 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.onap.so.adapters.vnfmadapter.common.CommonConstants.ETSI_SUBSCRIPTION_NOTIFICATION_CONTROLLER_BASE_URL;
+import static org.onap.so.client.RestTemplateConfig.CONFIGURABLE_REST_TEMPLATE;
+import static org.springframework.test.annotation.DirtiesContext.ClassMode.BEFORE_CLASS;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.header;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.jsonPath;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.onap.so.adapters.vnfmadapter.PackageManagementConstants;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
+import org.onap.so.adapters.vnfmadapter.etsicatalog.notification.model.NOTIFICATIONLINKSERIALIZER;
+import org.onap.so.adapters.vnfmadapter.etsicatalog.notification.model.PkgChangeNotification;
+import org.onap.so.adapters.vnfmadapter.etsicatalog.notification.model.PkgOnboardingNotification;
+import org.onap.so.adapters.vnfmadapter.etsicatalog.notification.model.PkgmLinks;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.PkgmSubscriptionRequest;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.SubscriptionsAuthentication;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.SubscriptionsAuthenticationParamsBasic;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.SubscriptionsAuthenticationParamsOauth2ClientCredentials;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.notification.model.VnfPackageChangeNotification;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.notification.model.VnfPackageOnboardingNotification;
+import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.cache.Cache;
+import org.springframework.cache.CacheManager;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.client.MockRestServiceServer;
+import org.springframework.web.client.RestTemplate;
+import org.threeten.bp.LocalDateTime;
+import org.threeten.bp.OffsetDateTime;
+import org.threeten.bp.ZoneOffset;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+/**
+ * @author Andrew Lamb (andrew.a.lamb@est.tech)
+ *
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = TestApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@ActiveProfiles("test")
+@DirtiesContext(classMode = BEFORE_CLASS)
+public class EtsiSubscriptionNotificationControllerTest {
+
+    @LocalServerPort
+    private int port;
+
+    private static final URI CALLBACK_URI = URI.create("http://test_callback_uri/notification");
+    private static final String TOKEN_ENDPOINT = "http://test_token_endpoint_uri/";
+    private static final String TOKEN = "dXNlcm5hbWU6cGFzc3dvcmQ=......";
+    private static final String JSON_TOKEN = "{\"access_token\":\"" + TOKEN + "\"}";
+    private static final String LOCALHOST_URL = "http://localhost:";
+    private static final String NOTIFICATION_BASE_URL =
+            ETSI_SUBSCRIPTION_NOTIFICATION_CONTROLLER_BASE_URL + "/notification";
+    private static final String USERNAME = "username";
+    private static final String PASSWORD = "password";
+    private static final String EXPECTED_BASIC_AUTHORIZATION = "Basic dXNlcm5hbWU6cGFzc3dvcmQ=";
+    private static final String EXPECTED_OAUTH_AUTHORIZATION = "Bearer " + TOKEN;
+    private static final String NOTIFICATION_ID = "NOTIFICATION_ID";
+    private static final String SUBSCRIPTION_ID = "SUBSCRIPTION_ID";
+    private static final OffsetDateTime TIMESTAMP =
+            OffsetDateTime.of(LocalDateTime.of(2020, 1, 1, 1, 1, 1, 1), ZoneOffset.ofHours(1));
+    private static final String VNFPKG_ID = UUID.randomUUID().toString();
+    private static final String VNFD_ID = UUID.randomUUID().toString();
+
+    private BasicHttpHeadersProvider basicHttpHeadersProvider;
+    private final Gson gson = new GsonBuilder().create();;
+
+    @Autowired
+    @Qualifier(CONFIGURABLE_REST_TEMPLATE)
+    private RestTemplate restTemplate;
+    private MockRestServiceServer mockRestServiceServer;
+
+    @Autowired
+    private TestRestTemplate testRestTemplate;
+
+    @Autowired
+    private CacheManager cacheServiceProvider;
+    private Cache cache;
+
+    @Before
+    public void setUp() {
+        mockRestServiceServer = MockRestServiceServer.bindTo(restTemplate).build();
+        basicHttpHeadersProvider = new BasicHttpHeadersProvider();
+        cache = cacheServiceProvider.getCache(PackageManagementConstants.PACKAGE_MANAGEMENT_SUBSCRIPTION_CACHE);
+        cache.clear();
+    }
+
+    @After
+    public void tearDown() {
+        mockRestServiceServer.reset();
+        cache.clear();
+    }
+
+    @Test
+    public void testSubscriptionNotificationEndPoint_ReturnsNoContent() {
+        final ResponseEntity<?> response = sendHttpGet(NOTIFICATION_BASE_URL);
+        assertEquals(HttpStatus.NO_CONTENT, response.getStatusCode());
+    }
+
+    @Test
+    public void testOnboardingNotificationSentOnToVnfmCallbackUri_SubscriptionRequestInCache_Success() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgOnboardingNotification notification = buildPkgOnboardingNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andExpect(jsonPath("$.id").value(NOTIFICATION_ID))
+                .andExpect(jsonPath("$.notificationType")
+                        .value(VnfPackageOnboardingNotification.NotificationTypeEnum.VNFPACKAGEONBOARDINGNOTIFICATION
+                                .toString()))
+                .andExpect(jsonPath("$.subscriptionId").value(SUBSCRIPTION_ID))
+                .andExpect(jsonPath("$.timeStamp").value(TIMESTAMP.toString()))
+                .andExpect(jsonPath("$.vnfPkgId").value(VNFPKG_ID.toString()))
+                .andExpect(jsonPath("$.vnfdId").value(VNFD_ID.toString()))
+                .andExpect(jsonPath("$._links").value(buildPkgmLinks()))
+                .andExpect(header("Authorization", EXPECTED_BASIC_AUTHORIZATION)).andRespond(withSuccess());
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.NO_CONTENT, response.getStatusCode());
+    }
+
+    @Test
+    public void testOnboardingNotificationNotSentOnToVnfmCallbackUri_SubscriptionRequestNotInCache_Fail() {
+        final PkgOnboardingNotification notification = buildPkgOnboardingNotification();
+        final String notificationString = gson.toJson(notification);
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "No subscription found with subscriptionId " + SUBSCRIPTION_ID
+                + ". Unable to forward notification to subscriber.";
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testOnboardingNotificationSentOnToVnfmCallbackUri_BadRequestResponseFromCallbackUri_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgOnboardingNotification notification = buildPkgOnboardingNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed with response: "
+                + HttpStatus.BAD_REQUEST + ".\n" + "No result found for given url: " + CALLBACK_URI;
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testOnboardingNotificationSentOnToVnfmCallbackUri_301MovedPermanentlyResponseFromCallbackUri_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgOnboardingNotification notification = buildPkgOnboardingNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andRespond(withStatus(HttpStatus.MOVED_PERMANENTLY));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed.";
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testOnboardingNotificationSentOnToVnfmCallbackUri_NotFoundResponseFromCallbackUri_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgOnboardingNotification notification = buildPkgOnboardingNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed with response: "
+                + HttpStatus.NOT_FOUND + ".\n" + "No result found for given url: " + CALLBACK_URI;
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testOnboardingNotificationSentOnToVnfmCallbackUri_InternalServerErrorResponseFromCallbackUri_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgOnboardingNotification notification = buildPkgOnboardingNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed with response: "
+                + HttpStatus.INTERNAL_SERVER_ERROR.value() + ".\n" + "Unable to invoke HTTP POST using URL: "
+                + CALLBACK_URI;
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testChangeNotificationSentOnToVnfmCallbackUri_SubscriptionRequestInCache_Success() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andExpect(jsonPath("$.id").value(NOTIFICATION_ID))
+                .andExpect(jsonPath("$.notificationType").value(
+                        VnfPackageChangeNotification.NotificationTypeEnum.VNFPACKAGECHANGENOTIFICATION.getValue()))
+                .andExpect(jsonPath("$.subscriptionId").value(SUBSCRIPTION_ID))
+                .andExpect(jsonPath("$.timeStamp").value(TIMESTAMP.toString()))
+                .andExpect(jsonPath("$.vnfPkgId").value(VNFPKG_ID.toString()))
+                .andExpect(jsonPath("$.vnfdId").value(VNFD_ID.toString()))
+                .andExpect(
+                        jsonPath("$.changeType").value(PkgChangeNotification.ChangeTypeEnum.OP_STATE_CHANGE.toString()))
+                .andExpect(jsonPath("$.operationalState")
+                        .value(PkgChangeNotification.OperationalStateEnum.ENABLED.toString()))
+                .andExpect(jsonPath("$._links").value(buildPkgmLinks()))
+                .andExpect(header("Authorization", EXPECTED_BASIC_AUTHORIZATION)).andRespond(withSuccess());
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.NO_CONTENT, response.getStatusCode());
+    }
+
+    @Test
+    public void testChangeNotificationNotSentOnToVnfmCallbackUri_SubscriptionRequestNotInCache_Fail() {
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "No subscription found with subscriptionId " + SUBSCRIPTION_ID
+                + ". Unable to forward notification to subscriber.";
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testChangeNotificationSentOnToVnfmCallbackUri_BadRequestResponseFromCallbackUri_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed with response: "
+                + HttpStatus.BAD_REQUEST + ".\n" + "No result found for given url: " + CALLBACK_URI;
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testChangeNotificationSentOnToVnfmCallbackUri_NotFoundResponseFromCallbackUri_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed with response: "
+                + HttpStatus.NOT_FOUND + ".\n" + "No result found for given url: " + CALLBACK_URI;
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testChangeNotificationSentOnToVnfmCallbackUri_InternalServerErrorResponseFromCallbackUri_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed with response: "
+                + HttpStatus.INTERNAL_SERVER_ERROR.value() + ".\n" + "Unable to invoke HTTP POST using URL: "
+                + CALLBACK_URI;
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testNotificationSentOnToVnfm_BasicAuthUserPasswordAuthorized_Success() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgOnboardingNotification notification = buildPkgOnboardingNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andExpect(jsonPath("$.id").value(NOTIFICATION_ID))
+                .andExpect(jsonPath("$.notificationType")
+                        .value(VnfPackageOnboardingNotification.NotificationTypeEnum.VNFPACKAGEONBOARDINGNOTIFICATION
+                                .toString()))
+                .andExpect(jsonPath("$.subscriptionId").value(SUBSCRIPTION_ID))
+                .andExpect(jsonPath("$.timeStamp").value(TIMESTAMP.toString()))
+                .andExpect(jsonPath("$.vnfPkgId").value(VNFPKG_ID.toString()))
+                .andExpect(jsonPath("$.vnfdId").value(VNFD_ID.toString()))
+                .andExpect(jsonPath("$._links").value(buildPkgmLinks()))
+                .andExpect(header("Authorization", EXPECTED_BASIC_AUTHORIZATION)).andRespond(withSuccess());
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.NO_CONTENT, response.getStatusCode());
+    }
+
+    @Test
+    public void testNotificationSentOnToVnfm_BasicAuthUserPasswordNotAuthorized_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.BASIC);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andExpect(header("Authorization", EXPECTED_BASIC_AUTHORIZATION))
+                .andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Sending of notification to VNFM failed with response: "
+                + HttpStatus.UNAUTHORIZED.value() + ".\n" + "Unable to invoke HTTP POST using URL: " + CALLBACK_URI;
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testNotificationSentOnToVnfm_OAuthAuthorized_Success() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.OAUTH2_CLIENT_CREDENTIALS);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(TOKEN_ENDPOINT)).andExpect(method(HttpMethod.POST))
+                .andExpect(header("Authorization", EXPECTED_BASIC_AUTHORIZATION))
+                .andRespond(withSuccess(JSON_TOKEN, MediaType.APPLICATION_JSON));
+
+        mockRestServiceServer.expect(requestTo(CALLBACK_URI)).andExpect(method(HttpMethod.POST))
+                .andExpect(header("Authorization", EXPECTED_OAUTH_AUTHORIZATION))
+                .andExpect(jsonPath("$.id").value(NOTIFICATION_ID))
+                .andExpect(jsonPath("$.notificationType").value(
+                        VnfPackageChangeNotification.NotificationTypeEnum.VNFPACKAGECHANGENOTIFICATION.toString()))
+                .andExpect(jsonPath("$.subscriptionId").value(SUBSCRIPTION_ID))
+                .andExpect(jsonPath("$.timeStamp").value(TIMESTAMP.toString()))
+                .andExpect(jsonPath("$.vnfPkgId").value(VNFPKG_ID.toString()))
+                .andExpect(jsonPath("$.vnfdId").value(VNFD_ID.toString()))
+                .andExpect(
+                        jsonPath("$.changeType").value(PkgChangeNotification.ChangeTypeEnum.OP_STATE_CHANGE.toString()))
+                .andExpect(jsonPath("$.operationalState")
+                        .value(PkgChangeNotification.OperationalStateEnum.ENABLED.toString()))
+                .andExpect(jsonPath("$._links").value(buildPkgmLinks())).andRespond(withSuccess());
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.NO_CONTENT, response.getStatusCode());
+    }
+
+    @Test
+    public void testNotificationSentOnToVnfm_OAuthTokenNotReceived_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.OAUTH2_CLIENT_CREDENTIALS);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        mockRestServiceServer.expect(requestTo(TOKEN_ENDPOINT)).andExpect(method(HttpMethod.POST))
+                .andExpect(header("Authorization", EXPECTED_BASIC_AUTHORIZATION)).andRespond(withSuccess());
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Unable to retrieve OAuth Token from VNFM for notification.";
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    @Test
+    public void testNotificationSentOnToVnfm_TLSCertNotYetSupported_Fail() {
+        final PkgmSubscriptionRequest subscriptionRequest =
+                buildPkgmSubscriptionRequest(SubscriptionsAuthentication.AuthTypeEnum.TLS_CERT);
+        cache.put(SUBSCRIPTION_ID, subscriptionRequest);
+        final PkgChangeNotification notification = buildPkgChangeNotification();
+        final String notificationString = gson.toJson(notification);
+
+        final ResponseEntity<?> response = sendHttpPost(notificationString);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+
+        final ProblemDetails problemDetails = (ProblemDetails) response.getBody();
+        final String errorMessage = "An error occurred.  Authentication type "
+                + subscriptionRequest.getAuthentication().getAuthType().toString() + " not currently supported.";
+
+        assertEquals(errorMessage, problemDetails.getDetail());
+    }
+
+    private PkgOnboardingNotification buildPkgOnboardingNotification() {
+        final PkgOnboardingNotification notification = new PkgOnboardingNotification();
+        notification.setId(NOTIFICATION_ID);
+        notification
+                .setNotificationType(PkgOnboardingNotification.NotificationTypeEnum.VNFPACKAGEONBOARDINGNOTIFICATION);
+        notification.setSubscriptionId(SUBSCRIPTION_ID);
+        notification.setTimeStamp(TIMESTAMP);
+        notification.setVnfPkgId(VNFPKG_ID);
+        notification.setVnfdId(VNFD_ID);
+        notification.setLinks(buildPkgmLinks());
+        return notification;
+    }
+
+    private PkgChangeNotification buildPkgChangeNotification() {
+        final PkgChangeNotification notification = new PkgChangeNotification();
+        notification.setId(NOTIFICATION_ID);
+        notification.setNotificationType(PkgChangeNotification.NotificationTypeEnum.VNFPACKAGECHANGENOTIFICATION);
+        notification.setSubscriptionId(SUBSCRIPTION_ID);
+        notification.setTimeStamp(TIMESTAMP);
+        notification.setVnfPkgId(VNFPKG_ID);
+        notification.setVnfdId(VNFD_ID);
+        notification.setChangeType(PkgChangeNotification.ChangeTypeEnum.OP_STATE_CHANGE);
+        notification.setOperationalState(PkgChangeNotification.OperationalStateEnum.ENABLED);
+        notification.setLinks(buildPkgmLinks());
+        return notification;
+    }
+
+    private PkgmLinks buildPkgmLinks() {
+        final PkgmLinks pkgmLinks = new PkgmLinks();
+
+        final NOTIFICATIONLINKSERIALIZER subscriptionLinkSerializer = new NOTIFICATIONLINKSERIALIZER();
+        subscriptionLinkSerializer.setHref("subscription_href");
+        pkgmLinks.setSubscription(subscriptionLinkSerializer);
+
+        final NOTIFICATIONLINKSERIALIZER vnfPackageLinkSerializer = new NOTIFICATIONLINKSERIALIZER();
+        vnfPackageLinkSerializer.setHref("vnf_package_href");
+        pkgmLinks.setVnfPackage(vnfPackageLinkSerializer);
+
+        return pkgmLinks;
+    }
+
+    private PkgmSubscriptionRequest buildPkgmSubscriptionRequest(
+            final SubscriptionsAuthentication.AuthTypeEnum authTypeEnum) {
+        final PkgmSubscriptionRequest subscriptionRequest = new PkgmSubscriptionRequest();
+        subscriptionRequest.setCallbackUri(CALLBACK_URI.toString());
+        subscriptionRequest.setAuthentication(buildSubscriptionsAuthentication(authTypeEnum));
+        return subscriptionRequest;
+    }
+
+    // TODO update for auth types other than basicAuth
+    private SubscriptionsAuthentication buildSubscriptionsAuthentication(
+            final SubscriptionsAuthentication.AuthTypeEnum authTypeEnum) {
+        final SubscriptionsAuthentication subscriptionsAuthentication = new SubscriptionsAuthentication();
+        final List<SubscriptionsAuthentication.AuthTypeEnum> authTypes = new ArrayList<>();
+        authTypes.add(authTypeEnum);
+        subscriptionsAuthentication.setAuthType(authTypes);
+        if (authTypeEnum == SubscriptionsAuthentication.AuthTypeEnum.TLS_CERT) {
+            // TODO: remove basic params and code for TLS
+            final SubscriptionsAuthenticationParamsBasic basicParams =
+                    new SubscriptionsAuthenticationParamsBasic().userName(USERNAME).password(PASSWORD);
+            subscriptionsAuthentication.setParamsBasic(basicParams);
+        } else if (authTypeEnum == SubscriptionsAuthentication.AuthTypeEnum.OAUTH2_CLIENT_CREDENTIALS) {
+            final SubscriptionsAuthenticationParamsOauth2ClientCredentials oathParams =
+                    new SubscriptionsAuthenticationParamsOauth2ClientCredentials().clientId(USERNAME)
+                            .clientPassword(PASSWORD).tokenEndpoint(TOKEN_ENDPOINT);
+            subscriptionsAuthentication.setParamsOauth2ClientCredentials(oathParams);
+        } else {
+            final SubscriptionsAuthenticationParamsBasic basicParams =
+                    new SubscriptionsAuthenticationParamsBasic().userName(USERNAME).password(PASSWORD);
+            subscriptionsAuthentication.setParamsBasic(basicParams);
+        }
+
+        return subscriptionsAuthentication;
+    }
+
+    private <T> ResponseEntity<ProblemDetails> sendHttpPost(final T notification) {
+        final String testURL = LOCALHOST_URL + port + NOTIFICATION_BASE_URL;
+        final HttpEntity<?> request = new HttpEntity<>(notification, basicHttpHeadersProvider.getHttpHeaders());
+        return testRestTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.POST, request,
+                ProblemDetails.class);
+    }
+
+    private ResponseEntity<Void> sendHttpGet(final String url) {
+        final String testURL = LOCALHOST_URL + port + url;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        return testRestTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request, Void.class);
+    }
+
+}
diff --git a/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
new file mode 100644
index 0000000000..9ea0c1d880
--- /dev/null
+++ b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
@@ -0,0 +1,677 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.rest;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.onap.so.adapters.vnfmadapter.common.CommonConstants.PACKAGE_MANAGEMENT_BASE_URL;
+import static org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.EtsiCatalogServiceProviderConfiguration.ETSI_CATALOG_REST_TEMPLATE_BEAN;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.Checksum;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.UriLink;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.VNFPKGMLinkSerializer;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.VnfPackageArtifactInfo;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.VnfPackageSoftwareImageInfo;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.VnfPkgInfo;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.InlineResponse2001;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.VnfPackagesLinks;
+import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.client.MockRestServiceServer;
+import org.springframework.web.client.RestTemplate;
+import com.google.gson.Gson;
+
+/**
+ * @author gareth.roper@est.tech
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = TestApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@ActiveProfiles("test")
+public class Sol003PackageManagementControllerTest {
+
+    @LocalServerPort
+    private int port;
+
+    @Autowired
+    @Qualifier(ETSI_CATALOG_REST_TEMPLATE_BEAN)
+    private RestTemplate restTemplate;
+
+    @Autowired
+    private TestRestTemplate testRestTemplate;
+
+    private static final String VNF_PACKAGE_ID = "myVnfPackageId";
+    private static final String ARTIFACT_PATH = "myArtifactPath";
+    private static final String MSB_BASE_URL = "http://msb-iag.onap:80/api/vnfpkgm/v1/vnf_packages";
+    private static final String VNFPKGM_BASE_URL = PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages";
+    private static final String localhostUrl = "http://localhost:";
+    private static final String GET_VNF_PACKAGES_URL = "";
+    private static final String GET_VNF_PACKAGE_BY_ID_URL = "/" + VNF_PACKAGE_ID;
+    private static final String VNFD_ID = "vnfdId";
+    private static final String VNF_PROVIDER = "vnfProvider";
+    private static final String VNF_PRODUCT_NAME = "vnfProductName";
+    private static final String VNF_SOFTWARE_VERSION = "vnfSoftwareVersion";
+    private static final String VNFD_VERSION = "vnfdVersion";
+    private static final String ALGORITHM = "algorithm";
+    private static final String HASH = "hash";
+    private static final String EXPECTED_BASE_URL =
+            "https://so-vnfm-adapter.onap:30406/so/vnfm-adapter/v1/vnfpkgm/v1/vnf_packages/";
+    private static final String EXPECTED_SELF_HREF = EXPECTED_BASE_URL + VNF_PACKAGE_ID;
+    private static final String EXPECTED_VNFD_HREF = EXPECTED_BASE_URL + VNF_PACKAGE_ID + "/vnfd";
+    private static final String EXPECTED_PACKAGE_CONTENT_HREF = EXPECTED_BASE_URL + VNF_PACKAGE_ID + "/package_content";
+
+    private MockRestServiceServer mockRestServiceServer;
+    private BasicHttpHeadersProvider basicHttpHeadersProvider;
+    private final Gson gson = new Gson();
+
+    public Sol003PackageManagementControllerTest() {}
+
+    @Before
+    public void setUp() {
+        final MockRestServiceServer.MockRestServiceServerBuilder builder = MockRestServiceServer.bindTo(restTemplate);
+        builder.ignoreExpectOrder(true);
+        mockRestServiceServer = builder.build();
+        basicHttpHeadersProvider = new BasicHttpHeadersProvider();
+    }
+
+    @After
+    public void after() {
+        mockRestServiceServer.reset();
+    }
+
+    @Test
+    public void testGetPackageContent_ValidArray_Success() {
+        final byte[] responseArray = buildByteArrayWithRandomData(10);
+
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(responseArray, MediaType.APPLICATION_OCTET_STREAM));
+
+        final String testURL = "http://localhost:" + port + PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages/"
+                + VNF_PACKAGE_ID + "/package_content";
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<byte[]> responseEntity =
+                testRestTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request, byte[].class);
+
+        assertEquals(byte[].class, responseEntity.getBody().getClass());
+        assertArrayEquals(responseEntity.getBody(), responseArray);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageContent_Conflict_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.CONFLICT));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.CONFLICT, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageContent_NotFound_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageContent_UnauthorizedClient_Fail() {
+        final String testURL = "http://localhost:" + port + PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages/"
+                + VNF_PACKAGE_ID + "/package_content";
+
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+
+
+        final ResponseEntity<ProblemDetails> responseEntity =
+                testRestTemplate.exchange(testURL, HttpMethod.GET, request, ProblemDetails.class);
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageContent_InternalServerError_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageContent_BadRequest_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageContent_UnauthorizedServer_InternalError_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetPackageContent_SuccessResponseFromServerWithNullPackage_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertEquals(ProblemDetails.class, responseEntity.getBody().getClass());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetPackageArtifact_ValidArray_Success() {
+        final byte[] responseArray = buildByteArrayWithRandomData(10);
+
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(responseArray, MediaType.APPLICATION_OCTET_STREAM));
+
+        final String testURL = "http://localhost:" + port + PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages/"
+                + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<byte[]> responseEntity =
+                testRestTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request, byte[].class);
+
+        assertEquals(byte[].class, responseEntity.getBody().getClass());
+        assertArrayEquals(responseEntity.getBody(), responseArray);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageArtifact_Conflict_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.CONFLICT));
+
+        final ResponseEntity<ProblemDetails> responseEntity =
+                sendHttpRequest(VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH);
+
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.CONFLICT, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageArtifact_NotFound_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity =
+                sendHttpRequest(VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH);
+
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageArtifact_UnauthorizedClient_Fail() {
+        final String testURL = "http://localhost:" + port + PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages/"
+                + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH;
+
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<ProblemDetails> responseEntity =
+                testRestTemplate.exchange(testURL, HttpMethod.GET, request, ProblemDetails.class);
+
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageArtifact_InternalServerError_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity =
+                sendHttpRequest(VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH);
+
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageArtifact_BadRequest_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity =
+                sendHttpRequest(VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH);
+
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageArtifact_UnauthorizedServer_InternalError_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final ResponseEntity<ProblemDetails> responseEntity =
+                sendHttpRequest(VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH);
+
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetPackageArtifact_SuccessResponseFromServerWithNullPackage_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH))
+                .andExpect(method(HttpMethod.GET)).andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity =
+                sendHttpRequest(VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH);
+
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testVnfPackagesReceivedAsInlineResponse2001ListIfGetVnfPackagesSuccessful() {
+        final VnfPkgInfo[] responses = createVnfPkgArray();
+
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(gson.toJson(responses), MediaType.APPLICATION_JSON));
+
+        final String testURL = localhostUrl + port + VNFPKGM_BASE_URL;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+
+        final ResponseEntity<InlineResponse2001[]> responseEntity = testRestTemplate.withBasicAuth("test", "test")
+                .exchange(testURL, HttpMethod.GET, request, InlineResponse2001[].class);
+
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final InlineResponse2001[] inlineResponse2001array = responseEntity.getBody();
+        final InlineResponse2001 inlineResponse2001 = inlineResponse2001array[0];
+        assertEquals(VNF_PACKAGE_ID, inlineResponse2001.getId());
+        assertEquals(VNFD_ID, inlineResponse2001.getVnfdId());
+        assertEquals(VNFD_ID, inlineResponse2001.getSoftwareImages().get(0).getId());
+        assertEquals(VNF_PRODUCT_NAME, inlineResponse2001.getSoftwareImages().get(0).getName());
+        assertEquals(ALGORITHM, inlineResponse2001.getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getChecksum().getHash());
+        assertEquals(ARTIFACT_PATH, inlineResponse2001.getAdditionalArtifacts().get(0).getArtifactPath());
+        assertEquals(ALGORITHM, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getHash());
+        final VnfPackagesLinks links = inlineResponse2001.getLinks();
+        assertNotNull(links);
+        assertEquals(EXPECTED_SELF_HREF, links.getSelf().getHref());
+        assertEquals(EXPECTED_VNFD_HREF, links.getVnfd().getHref());
+        assertEquals(EXPECTED_PACKAGE_CONTENT_HREF, links.getPackageContent().getHref());
+    }
+
+    @Test
+    public void test400BadRequestInfoReceivedAsProblemDetailsIfGetVnfPackagesIs400BadRequest() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Error: Bad Request Received", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test404NotFoundInfoReceivedAsProblemDetailsIfGetVnfPackagesIs404NotFound() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("No Vnf Packages found", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackagesReturns500InternalServerError() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Internal Server Error Occurred.", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackagesReturnsANullPackage() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("An error occurred, a null response was received by the\n"
+                + " Sol003PackageManagementController from the EtsiCatalogManager using the GET \"vnf_packages\" \n"
+                + "endpoint.", problemDetails.getDetail());
+    }
+
+    @Test
+    public void testVnfPackageReceivedAsInlineResponse2001IfGetVnfPackageByIdSuccessful() {
+        final VnfPkgInfo response = createVnfPkgInfo(VNF_PACKAGE_ID);
+
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(gson.toJson(response), MediaType.APPLICATION_JSON));
+
+        final String testURL = localhostUrl + port + VNFPKGM_BASE_URL + "/" + VNF_PACKAGE_ID;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<InlineResponse2001> responseEntity = testRestTemplate.withBasicAuth("test", "test")
+                .exchange(testURL, HttpMethod.GET, request, InlineResponse2001.class);
+
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final InlineResponse2001 inlineResponse2001 = responseEntity.getBody();
+        assertEquals(VNF_PACKAGE_ID, inlineResponse2001.getId());
+        assertEquals(VNFD_ID, inlineResponse2001.getVnfdId());
+        assertEquals(VNFD_ID, inlineResponse2001.getSoftwareImages().get(0).getId());
+        assertEquals(VNF_PRODUCT_NAME, inlineResponse2001.getSoftwareImages().get(0).getName());
+        assertEquals(ALGORITHM, inlineResponse2001.getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getChecksum().getHash());
+        assertEquals(ARTIFACT_PATH, inlineResponse2001.getAdditionalArtifacts().get(0).getArtifactPath());
+        assertEquals(ALGORITHM, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getHash());
+        final VnfPackagesLinks links = inlineResponse2001.getLinks();
+        assertNotNull(links);
+        assertEquals(EXPECTED_SELF_HREF, links.getSelf().getHref());
+        assertEquals(EXPECTED_VNFD_HREF, links.getVnfd().getHref());
+        assertEquals(EXPECTED_PACKAGE_CONTENT_HREF, links.getPackageContent().getHref());
+
+    }
+
+    @Test
+    public void test400BadRequestInfoReceivedAsProblemDetailsIfGetVnfPackageByIdIs400BadRequest() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Error: Bad Request Received", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test404NotFoundInfoReceivedAsProblemDetailsIfGetVnfPackageByIdIs404NotFound() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("No Vnf Package found with vnfPkgId: " + VNF_PACKAGE_ID, problemDetails.getDetail());
+    }
+
+    @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackageByIdReturns500InternalServerError() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Internal Server Error Occurred.", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackageByIdReturnsANullPackage() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("An error occurred, a null response was received by the\n"
+                + " Sol003PackageManagementController from the EtsiCatalogManager using the GET \"vnf_packages\" by vnfPkgId: \""
+                + VNF_PACKAGE_ID + "\" \n" + "endpoint.", problemDetails.getDetail());
+    }
+
+    // The below test method is here to improve code coverage and provide a foundation for writing
+    // future tests
+    @Test
+    public void testGetPackageVnfd_ValidArray_Success() {
+        final byte[] responseArray = buildByteArrayWithRandomData(10);
+
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(responseArray, MediaType.APPLICATION_OCTET_STREAM));
+
+        final String testURL =
+                "http://localhost:" + port + PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages/" + VNF_PACKAGE_ID + "/vnfd";
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<byte[]> responseEntity =
+                testRestTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request, byte[].class);
+
+        assertEquals(byte[].class, responseEntity.getBody().getClass());
+        assertArrayEquals(responseEntity.getBody(), responseArray);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageVnfd_Conflict_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.CONFLICT));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.CONFLICT, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageVnfd_NotFound_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageVnfd_UnauthorizedClient_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageVnfd_InternalServerError_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageVnfd_BadRequest_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testOnGetPackageVnfd_UnauthorizedServer_InternalError_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetPackageVnfd_SuccessResponseFromServerWithNullPackage_Fail() {
+        mockRestServiceServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/vnfd"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+
+        assertEquals(ProblemDetails.class, responseEntity.getBody().getClass());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    // Simply returns a byte array filled with random data, for use in the tests.
+    private byte[] buildByteArrayWithRandomData(final int sizeInKb) {
+        final Random rnd = new Random();
+        final byte[] b = new byte[sizeInKb * 1024]; // converting kb to byte
+        rnd.nextBytes(b);
+        return b;
+    }
+
+    private ResponseEntity<ProblemDetails> sendHttpRequest(final String url) {
+        final String testURL = localhostUrl + port + VNFPKGM_BASE_URL + "/" + url;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        return testRestTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request,
+                ProblemDetails.class);
+    }
+
+    private VnfPkgInfo[] createVnfPkgArray() {
+        final VnfPkgInfo[] vnfPkgInfoArray = new VnfPkgInfo[1];
+        final VnfPkgInfo vnfPkgInfo = createVnfPkgInfo(VNF_PACKAGE_ID);
+        vnfPkgInfoArray[0] = vnfPkgInfo;
+        return vnfPkgInfoArray;
+    }
+
+    private VnfPkgInfo createVnfPkgInfo(final String vnfPackageId) {
+        final VnfPkgInfo vnfPkgInfo = new VnfPkgInfo();
+        vnfPkgInfo.setId(vnfPackageId);
+        vnfPkgInfo.setVnfdId(VNFD_ID);
+        vnfPkgInfo.setVnfProvider(VNF_PROVIDER);
+        vnfPkgInfo.setVnfProductName(VNF_PRODUCT_NAME);
+        vnfPkgInfo.setVnfSoftwareVersion(VNF_SOFTWARE_VERSION);
+        vnfPkgInfo.setVnfdVersion(VNFD_VERSION);
+        vnfPkgInfo.setChecksum(createVnfPkgChecksum());
+        vnfPkgInfo.setSoftwareImages(createSoftwareImages());
+        vnfPkgInfo.setAdditionalArtifacts(createAdditionalArtifacts());
+        vnfPkgInfo.setLinks(createVNFPKGMLinkSerializerLinks());
+        return vnfPkgInfo;
+    }
+
+    private Checksum createVnfPkgChecksum() {
+        final Checksum checksum = new Checksum();
+        checksum.setAlgorithm(ALGORITHM);
+        checksum.setHash(HASH);
+        return checksum;
+    }
+
+    private List<VnfPackageSoftwareImageInfo> createSoftwareImages() {
+        final List<VnfPackageSoftwareImageInfo> softwareImages = new ArrayList<>();
+        final VnfPackageSoftwareImageInfo vnfPackageSoftwareImageInfo = new VnfPackageSoftwareImageInfo();
+        vnfPackageSoftwareImageInfo.setId(VNFD_ID);
+        vnfPackageSoftwareImageInfo.setName(VNF_PRODUCT_NAME);
+        vnfPackageSoftwareImageInfo.setProvider("");
+        vnfPackageSoftwareImageInfo.setVersion("");
+        vnfPackageSoftwareImageInfo.setChecksum(createVnfPkgChecksum());
+        vnfPackageSoftwareImageInfo
+                .setContainerFormat(VnfPackageSoftwareImageInfo.ContainerFormatEnum.fromValue("AKI"));
+        softwareImages.add(vnfPackageSoftwareImageInfo);
+        return softwareImages;
+    }
+
+    private List<VnfPackageArtifactInfo> createAdditionalArtifacts() {
+        final List<VnfPackageArtifactInfo> vnfPackageArtifactInfos = new ArrayList<>();
+        final VnfPackageArtifactInfo vnfPackageArtifactInfo =
+                new VnfPackageArtifactInfo().artifactPath(ARTIFACT_PATH).checksum(createVnfPkgChecksum());
+        vnfPackageArtifactInfos.add(vnfPackageArtifactInfo);
+        return vnfPackageArtifactInfos;
+    }
+
+    private VNFPKGMLinkSerializer createVNFPKGMLinkSerializerLinks() {
+        final String baseUrl = "http://msb-iag:443/api/vnfpkgm/v1/vnf_packages";
+        return new VNFPKGMLinkSerializer().self(new UriLink().href(baseUrl + "/myVnfPackageId"))
+                .vnfd(new UriLink().href(baseUrl + "/myVnfPackageId/vnfd"))
+                .packageContent(new UriLink().href(baseUrl + "/myVnfPackageId/package_content"));
+    }
+
+}
diff --git a/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementSubscriptionControllerTest.java b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementSubscriptionControllerTest.java
new file mode 100644
index 0000000000..b8eb73b2c8
--- /dev/null
+++ b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementSubscriptionControllerTest.java
@@ -0,0 +1,403 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.rest;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+import static org.onap.so.adapters.vnfmadapter.common.CommonConstants.ETSI_SUBSCRIPTION_NOTIFICATION_BASE_URL;
+import static org.onap.so.adapters.vnfmadapter.common.CommonConstants.PACKAGE_MANAGEMENT_BASE_URL;
+import static org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.EtsiCatalogServiceProviderConfiguration.ETSI_CATALOG_REST_TEMPLATE_BEAN;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;
+import java.io.File;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.security.GeneralSecurityException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.onap.so.adapters.vnfmadapter.PackageManagementConstants;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.BasicAuth;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.LinkSelf;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.NsdmSubscription;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmNotificationsFilter;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscription;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.SubscriptionAuthentication;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.Version;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.VnfProducts;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.VnfProductsProviders;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.InlineResponse2002;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.InlineResponse201;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.PkgmSubscriptionRequest;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.SubscriptionsAuthentication;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.SubscriptionsFilter1;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.SubscriptionsFilterVnfProductsFromProviders;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.SubscriptionsLinks;
+import org.onap.so.adapters.vnfmadapter.packagemanagement.model.VnfPackagesLinksSelf;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.cache.Cache;
+import org.springframework.cache.CacheManager;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.client.MockRestServiceServer;
+import org.springframework.test.web.client.match.MockRestRequestMatchers;
+import org.springframework.web.client.RestTemplate;
+import com.google.gson.Gson;
+
+/**
+ * @author Ronan Kenny (ronan.kenny@est.tech)
+ * @author Gareth Roper (gareth.roper@est.tech)
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = TestApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@ActiveProfiles("test")
+public class Sol003PackageManagementSubscriptionControllerTest {
+
+    private final Gson gson = new Gson();
+    private final URI msbEndpoint = URI.create("http://msb-iag.onap:80/api/vnfpkgm/v1/subscriptions");
+    private static final String _NOTIFICATION_CALLBACK_URI =
+            "https://so-vnfm-adapter.onap:30406" + ETSI_SUBSCRIPTION_NOTIFICATION_BASE_URL;
+    private static final String LOCALHOST_URL = "http://localhost:";
+
+    @Autowired
+    @Qualifier(ETSI_CATALOG_REST_TEMPLATE_BEAN)
+    private RestTemplate restTemplate;
+    private MockRestServiceServer mockRestServiceServer;
+    @Autowired
+    private CacheManager cacheServiceProvider;
+    @Autowired
+    private Sol003PackageManagementSubscriptionController sol003PackageManagementSubscriptionController;
+
+    @Autowired
+    private TestRestTemplate testRestTemplate;
+
+    @LocalServerPort
+    private int port;
+
+    private static final String ID = UUID.randomUUID().toString();
+
+    @Before
+    public void setUp() {
+        mockRestServiceServer = MockRestServiceServer.bindTo(restTemplate).build();
+        final Cache cache =
+                cacheServiceProvider.getCache(PackageManagementConstants.PACKAGE_MANAGEMENT_SUBSCRIPTION_CACHE);
+        cache.clear();
+    }
+
+    @After
+    public void after() {
+        mockRestServiceServer.reset();
+    }
+
+    @Test
+    public void testSuccessPostSubscription() throws GeneralSecurityException, URISyntaxException {
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = postSubscriptionForTest();
+        final ResponseEntity<InlineResponse201> response =
+                (ResponseEntity<InlineResponse201>) sol003PackageManagementSubscriptionController
+                        .postSubscriptionRequest(pkgmSubscriptionRequest);
+
+        final HttpHeaders headers = buildHttpHeaders(Objects.requireNonNull(response.getBody()).getCallbackUri());
+
+        final SubscriptionsLinks subscriptionsLinks = new SubscriptionsLinks();
+        final VnfPackagesLinksSelf vnfPackagesLinksSelf = new VnfPackagesLinksSelf();
+        vnfPackagesLinksSelf.setHref("https://so-vnfm-adapter.onap:30406" + PACKAGE_MANAGEMENT_BASE_URL
+                + "/subscriptions/" + response.getBody().getId());
+        subscriptionsLinks.setSelf(vnfPackagesLinksSelf);
+
+        assertEquals(pkgmSubscriptionRequest.getFilter(), response.getBody().getFilter());
+        assertEquals(subscriptionsLinks, response.getBody().getLinks());
+        assertEquals(response.getBody().getFilter(), pkgmSubscriptionRequest.getFilter());
+        assert (response.getHeaders().equals(headers));
+        assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
+        assertNotNull(response.getBody().getCallbackUri());
+    }
+
+    @Test
+    public void testFailPostSubscriptionAlreadyExists() throws GeneralSecurityException {
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = postSubscriptionForTest();
+
+        final ResponseEntity<InlineResponse2002> response =
+                (ResponseEntity<InlineResponse2002>) sol003PackageManagementSubscriptionController
+                        .postSubscriptionRequest(pkgmSubscriptionRequest);
+
+        // Create duplicate entry
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest2 = buildPkgmSubscriptionRequest();
+
+        final ResponseEntity<InlineResponse2002> response2002 =
+                (ResponseEntity<InlineResponse2002>) sol003PackageManagementSubscriptionController
+                        .postSubscriptionRequest(pkgmSubscriptionRequest2);
+
+        assertEquals(HttpStatus.SEE_OTHER, response2002.getStatusCode());
+    }
+
+    @Test
+    public void testSuccessGetSubscriptionWithSubscriptionId() throws GeneralSecurityException, URISyntaxException {
+
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = postSubscriptionForTest();
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint + "/" + ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(gson.toJson(new NsdmSubscription().id(ID)), MediaType.APPLICATION_JSON));
+
+        final ResponseEntity<InlineResponse201> response =
+                (ResponseEntity<InlineResponse201>) sol003PackageManagementSubscriptionController
+                        .postSubscriptionRequest(pkgmSubscriptionRequest);
+        final String subscriptionId = response.getBody().getId();
+
+
+
+        final ResponseEntity<InlineResponse201> responseEntity =
+                (ResponseEntity<InlineResponse201>) sol003PackageManagementSubscriptionController
+                        .getSubscription(subscriptionId);
+
+        final HttpHeaders headers = buildHttpHeaders(response.getBody().getCallbackUri());
+
+        assertEquals(response.getBody().getFilter(), pkgmSubscriptionRequest.getFilter());
+        assertEquals(response.getHeaders(), headers);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertEquals(pkgmSubscriptionRequest.getFilter(), response.getBody().getFilter());
+        // Ensure CallBackUri is set to new URI
+        assertNotEquals(pkgmSubscriptionRequest.getCallbackUri(), response.getBody().getCallbackUri());
+    }
+
+    @Test
+    public void testFailGetSubscriptionWithInvalidSubscriptionId() {
+        final String invalidId = "invalidSubscriptionId";
+        mockRestServiceServer.expect(requestTo(msbEndpoint + "/" + invalidId)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+        final ResponseEntity<?> response = sol003PackageManagementSubscriptionController.getSubscription(invalidId);
+        assertEquals(HttpStatus.NOT_FOUND, response.getStatusCode());
+        assertTrue(response.getBody() instanceof ProblemDetails);
+    }
+
+    @Test
+    public void testSuccessGetSubscriptions() throws GeneralSecurityException {
+        final PkgmSubscription pkgmSubscription = buildPkgmSubscription();
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = buildPkgmSubscriptionRequest();
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint)).andExpect(method(HttpMethod.POST))
+                .andRespond(withSuccess(gson.toJson(pkgmSubscription), MediaType.APPLICATION_JSON));
+        mockRestServiceServer.expect(requestTo(msbEndpoint + "/" + ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(gson.toJson(new NsdmSubscription().id(ID)), MediaType.APPLICATION_JSON));
+
+        sol003PackageManagementSubscriptionController.postSubscriptionRequest(pkgmSubscriptionRequest);
+        final ResponseEntity<List<InlineResponse201>> response =
+                sol003PackageManagementSubscriptionController.getSubscriptions();
+
+        final List<InlineResponse201> subscriptionsList = response.getBody();
+
+        assertEquals(Objects.requireNonNull(response.getBody()).get(0).getFilter(),
+                pkgmSubscriptionRequest.getFilter());
+        assertNotNull(subscriptionsList != null);
+        assertNotEquals('0', subscriptionsList.size());
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+    }
+
+    @Test
+    public void testSuccessDeleteSubscriptionWithSubscriptionId() throws GeneralSecurityException {
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = buildPkgmSubscriptionRequest();
+        final PkgmSubscription pkgmSubscription = buildPkgmSubscription();
+        final String subscriptionId = pkgmSubscription.getId();
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint)).andExpect(method(HttpMethod.POST))
+                .andRespond(withSuccess(gson.toJson(pkgmSubscription), MediaType.APPLICATION_JSON));
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint + "/" + subscriptionId)).andExpect(method(HttpMethod.DELETE))
+                .andRespond(withStatus(HttpStatus.NO_CONTENT));
+        mockRestServiceServer.expect(requestTo(msbEndpoint + "/" + subscriptionId)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(gson.toJson(new NsdmSubscription().id(subscriptionId)),
+                        MediaType.APPLICATION_JSON));
+
+        final ResponseEntity<InlineResponse2002> responsePost =
+                (ResponseEntity<InlineResponse2002>) sol003PackageManagementSubscriptionController
+                        .postSubscriptionRequest(pkgmSubscriptionRequest);
+
+        final ResponseEntity responseDelete =
+                sol003PackageManagementSubscriptionController.deleteSubscription(subscriptionId);
+
+        // Attempt to retrieve the subscription after delete
+        final ResponseEntity<InlineResponse2002> responseGetSubscription =
+                (ResponseEntity<InlineResponse2002>) sol003PackageManagementSubscriptionController
+                        .getSubscription(subscriptionId);
+
+        assertEquals(HttpStatus.NOT_FOUND, responseGetSubscription.getStatusCode());
+        assertEquals(HttpStatus.NO_CONTENT, responseDelete.getStatusCode());
+    }
+
+    @Test
+    public void testDeleteSubscription_SubscripitonNotFoundInEtsiCatalogManager_SubscriptionDeletedFromLocalCache()
+            throws GeneralSecurityException {
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = buildPkgmSubscriptionRequest();
+        final PkgmSubscription pkgmSubscription = buildPkgmSubscription();
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint)).andExpect(method(HttpMethod.POST))
+                .andRespond(withSuccess(gson.toJson(pkgmSubscription), MediaType.APPLICATION_JSON));
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint + "/" + ID)).andExpect(method(HttpMethod.DELETE))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<InlineResponse2002> responsePost =
+                (ResponseEntity<InlineResponse2002>) sol003PackageManagementSubscriptionController
+                        .postSubscriptionRequest(pkgmSubscriptionRequest);
+
+        final Cache cache =
+                cacheServiceProvider.getCache(PackageManagementConstants.PACKAGE_MANAGEMENT_SUBSCRIPTION_CACHE);
+        assertNotNull(cache.get(ID));
+
+        final ResponseEntity responseDelete = sol003PackageManagementSubscriptionController.deleteSubscription(ID);
+
+        assertEquals(HttpStatus.NO_CONTENT, responseDelete.getStatusCode());
+        assertNull(cache.get(ID));
+
+    }
+
+    @Test
+    public void testFailDeleteSubscriptionWithInvalidSubscriptionId() throws URISyntaxException, InterruptedException {
+        final ResponseEntity<Void> responseDelete = (ResponseEntity<Void>) sol003PackageManagementSubscriptionController
+                .deleteSubscription("invalidSubscriptionId");
+        assertEquals(HttpStatus.NOT_FOUND, responseDelete.getStatusCode());
+    }
+
+
+    @Test
+    public void testSuccessPostSubscriptionWithValidNotificationTypes() throws Exception {
+
+        final String file = getAbsolutePath("src/test/resources/requests/SubscriptionRequest.json");
+        final String json = new String(Files.readAllBytes(Paths.get(file)));
+        final PkgmSubscriptionRequest request = gson.fromJson(json, PkgmSubscriptionRequest.class);
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint)).andExpect(method(HttpMethod.POST))
+                .andExpect(MockRestRequestMatchers.content().json(gson.toJson(getEtsiCatalogPkgmSubscriptionRequest())))
+                .andRespond(withSuccess(gson.toJson(buildPkgmSubscription()), MediaType.APPLICATION_JSON));
+
+
+        final ResponseEntity<InlineResponse201> responseEntity =
+                testRestTemplate.postForEntity(LOCALHOST_URL + port + PACKAGE_MANAGEMENT_BASE_URL + "/subscriptions",
+                        request, InlineResponse201.class);
+
+        assertEquals(HttpStatus.CREATED, responseEntity.getStatusCode());
+        assertTrue(responseEntity.hasBody());
+        final InlineResponse201 actual = responseEntity.getBody();
+        assertEquals(ID, actual.getId());
+
+
+    }
+
+    private org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscriptionRequest getEtsiCatalogPkgmSubscriptionRequest() {
+        return new org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscriptionRequest()
+                .filter(new PkgmNotificationsFilter()
+                        .addNotificationTypesItem(
+                                PkgmNotificationsFilter.NotificationTypesEnum.VNFPACKAGEONBOARDINGNOTIFICATION)
+                        .addVnfdIdItem("VNFDID").addVnfPkgIdItem("VNFPKGID")
+                        .addOperationalStateItem(PkgmNotificationsFilter.OperationalStateEnum.ENABLED)
+                        .addVnfProductsFromProvidersItem(new VnfProductsProviders().vnfProvider("EST")
+                                .addVnfProductsItem(new VnfProducts().vnfProductName("VnfProducts")
+                                        .addVersionsItem(new Version().vnfSoftwareVersion("vnfSoftwareVersion")
+                                                .addVnfdVersionsItem("version1")))))
+                .callbackUri(_NOTIFICATION_CALLBACK_URI).authentication(
+                        new SubscriptionAuthentication().addAuthTypeItem(SubscriptionAuthentication.AuthTypeEnum.BASIC)
+                                .paramsBasic(new BasicAuth().userName("vnfm").password("password1$")));
+    }
+
+    private PkgmSubscriptionRequest buildPkgmSubscriptionRequest() {
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = new PkgmSubscriptionRequest();
+        final SubscriptionsFilter1 sub = buildSubscriptionsFilter();
+        final SubscriptionsAuthentication auth = new SubscriptionsAuthentication();
+        pkgmSubscriptionRequest.setFilter(sub);
+        pkgmSubscriptionRequest.setCallbackUri(msbEndpoint.toString());
+        pkgmSubscriptionRequest.setAuthentication(auth);
+        return pkgmSubscriptionRequest;
+    }
+
+    private SubscriptionsFilter1 buildSubscriptionsFilter() {
+        final SubscriptionsFilter1 sub = new SubscriptionsFilter1();
+        final List<String> vnfdIdList = new ArrayList<>();
+        final List<String> vnfPkgIdList = new ArrayList<>();
+        final List<SubscriptionsFilter1.NotificationTypesEnum> notificationTypes = new ArrayList<>();
+        final SubscriptionsFilterVnfProductsFromProviders subscriptionsFilterVnfProductsFromProviders =
+                new SubscriptionsFilterVnfProductsFromProviders();
+        final List<SubscriptionsFilterVnfProductsFromProviders> vnfProductsFromProviders = new ArrayList<>();
+
+        vnfProductsFromProviders.add(subscriptionsFilterVnfProductsFromProviders);
+        sub.setVnfdId(vnfdIdList);
+        sub.setNotificationTypes(notificationTypes);
+        sub.setVnfPkgId(vnfPkgIdList);
+        sub.setVnfProductsFromProviders(vnfProductsFromProviders);
+        return sub;
+    }
+
+    private PkgmSubscription buildPkgmSubscription() {
+        final PkgmSubscription pkgmSubscription = new PkgmSubscription();
+        final PkgmNotificationsFilter pkgmNotificationsFilter = new PkgmNotificationsFilter();
+        final LinkSelf linkSelf = new LinkSelf();
+
+        pkgmSubscription.setId(ID);
+        pkgmSubscription.setCallbackUri(msbEndpoint + "/" + pkgmSubscription.getId().toString());
+        pkgmSubscription.setFilter(pkgmNotificationsFilter);
+        pkgmSubscription.setLinks(linkSelf);
+        return pkgmSubscription;
+    }
+
+    private PkgmSubscriptionRequest postSubscriptionForTest() {
+        final PkgmSubscriptionRequest pkgmSubscriptionRequest = buildPkgmSubscriptionRequest();
+        final PkgmSubscription pkgmSubscription = buildPkgmSubscription();
+
+        mockRestServiceServer.expect(requestTo(msbEndpoint)).andExpect(method(HttpMethod.POST))
+                .andRespond(withSuccess(gson.toJson(pkgmSubscription), MediaType.APPLICATION_JSON));
+        return pkgmSubscriptionRequest;
+    }
+
+    private HttpHeaders buildHttpHeaders(final String uri) throws URISyntaxException {
+        final HttpHeaders headers = new HttpHeaders();
+        final URI myUri = new URI(uri);
+        headers.setLocation(myUri);
+        return headers;
+    }
+
+    private String getAbsolutePath(final String path) {
+        final File file = new File(path);
+        return file.getAbsolutePath();
+    }
+
+}
diff --git a/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/TestApplication.java b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/TestApplication.java
new file mode 100755
index 0000000000..152d3136f1
--- /dev/null
+++ b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/TestApplication.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.rest;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
+import org.springframework.cache.annotation.EnableCaching;
+
+@EnableCaching
+@SpringBootApplication(scanBasePackages = {"org.onap.so"})
+@EnableAutoConfiguration(exclude = {JacksonAutoConfiguration.class})
+public class TestApplication {
+
+    public static void main(final String[] args) {
+        new SpringApplication(TestApplication.class).run(args);
+    }
+
+}
diff --git a/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/resources/application.yaml b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/resources/application.yaml
new file mode 100644
index 0000000000..cdb6662191
--- /dev/null
+++ b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/resources/application.yaml
@@ -0,0 +1,61 @@
+# Copyright © 2019 Nordix Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+spring:
+  security:
+    usercredentials:
+      - username: test
+        password: '$2a$12$Zi3AuYcZoZO/gBQyUtST2.F5N6HqcTtaNci2Et.ufsQhski56srIu'
+        role: BPEL-Client
+      - username: vnfm
+        password: '$2a$10$Fh9ffgPw2vnmsghsRD3ZauBL1aKXebigbq3BB1RPWtE62UDILsjke'
+        role: BPEL-Client
+  main:
+    allow-bean-definition-overriding: true
+
+mso:
+  key: 07a7159d3bf51a0e53be7a8f89699be7
+
+aai:
+  auth: 2A11B07DB6214A839394AA1EC5844695F5114FC407FF5422625FB00175A3DCB8A1FF745F22867EFA72D5369D599BBD88DA8BED4233CF5586
+  endpoint: https://aai.onap:8443
+  version: v15
+
+sdc:
+  username: sdcUser
+  password: sdcPassword
+  key: adadadadad
+  endpoint: http://sdc.onap/1234A
+
+
+vnfmadapter:
+  endpoint: https://so-vnfm-adapter.onap:30406
+
+  
+#Actuator
+management:
+  endpoints:
+    web:
+      base-path: /manage
+      exposure:
+        include: "*"
+  metrics:
+    se-global-registry: false
+    export:
+      prometheus:
+        enabled: true # Whether exporting of metrics to Prometheus is enabled.
+        step: 1m # Step size (i.e. reporting frequency) to use.
+
+etsi-catalog-manager:
+   vnfpkgm:
+      endpoint: http://msb-iag.onap:80/api/vnfpkgm/v1
diff --git a/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/resources/requests/SubscriptionRequest.json b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/resources/requests/SubscriptionRequest.json
new file mode 100644
index 0000000000..c38466f8e5
--- /dev/null
+++ b/adapters/etsi-sol003-adapter/etsi-sol003-package-management/etsi-sol003-package-management-adapter/src/test/resources/requests/SubscriptionRequest.json
@@ -0,0 +1,45 @@
+{
+    "filter": 
+    {
+        "notificationTypes": [
+            "VnfPackageOnboardingNotification"
+        ],
+        "vnfProductsFromProviders": [
+            {
+                "vnfProvider": "EST",
+                "vnfProducts": [
+                    {
+                        "vnfProductName": "VnfProducts",
+                        "versions": [
+                            {
+                                "vnfSoftwareVersion": "vnfSoftwareVersion",
+                                "vnfdVersions": [
+                                    "version1"
+                                ]
+                            }
+                        ]
+                    }
+                ]
+            }
+        ],
+        "vnfdId": [
+            "VNFDID"
+        ],
+        "vnfPkgId": [
+            "VNFPKGID"
+        ],
+        "operationalState": ["ENABLED"]
+    },
+    "callbackUri": "http://so-vnfm-adapter:9093/api/vnfpkgm/v1/subscriptions",
+    "authentication": 
+    {
+        "authType": [
+            "BASIC"
+        ],
+        "paramsBasic": 
+        {
+            "userName": "vnfm",
+            "password": "vnfm"
+        }
+    }
+}