catalog-be code coverage increase

Added tests for ArtifactExternalServlet

Change-Id: Ic20e172e910f9c5e18d3f43f78a10a36c588f16d
Issue-ID: SDC-2326
Signed-off-by: Piotr Darosz <piotr.darosz@nokia.com>

1 files changed, 1006 insertions, 0 deletions

diff --git a/catalog-be/src/test/java/org/openecomp/sdc/be/externalapi/servlet/ArtifactExternalServletTest.java b/catalog-be/src/test/java/org/openecomp/sdc/be/externalapi/servlet/ArtifactExternalServletTest.java
new file mode 100644
index 0000000000..00f84ad9c9
--- /dev/null
+++ b/catalog-be/src/test/java/org/openecomp/sdc/be/externalapi/servlet/ArtifactExternalServletTest.java
@@ -0,0 +1,1006 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2019 Nokia. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.externalapi.servlet;
+
+import fj.data.Either;
+import org.apache.commons.text.StrSubstitutor;
+import org.glassfish.hk2.utilities.binding.AbstractBinder;
+import org.glassfish.jersey.server.ResourceConfig;
+import org.glassfish.jersey.test.JerseyTest;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.apache.http.HttpStatus;
+import org.openecomp.sdc.be.components.impl.ArtifactsBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ComponentInstanceBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ResourceBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ResourceImportManager;
+import org.openecomp.sdc.be.components.impl.exceptions.ByResponseFormatComponentException;
+import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
+import org.openecomp.sdc.be.config.ConfigurationManager;
+import org.openecomp.sdc.be.config.SpringConfig;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
+import org.openecomp.sdc.be.impl.ComponentsUtils;
+import org.openecomp.sdc.be.impl.ServletUtils;
+import org.openecomp.sdc.be.impl.WebAppContextWrapper;
+import org.openecomp.sdc.be.model.ArtifactDefinition;
+import org.openecomp.sdc.be.model.Resource;
+import org.openecomp.sdc.be.model.User;
+import org.openecomp.sdc.be.user.Role;
+import org.openecomp.sdc.be.user.UserBusinessLogic;
+import org.openecomp.sdc.common.api.ConfigurationSource;
+import org.openecomp.sdc.common.api.Constants;
+import org.openecomp.sdc.common.impl.ExternalConfiguration;
+import org.openecomp.sdc.common.impl.FSConfigurationSource;
+import org.openecomp.sdc.exception.ResponseFormat;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.web.context.WebApplicationContext;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.core.Application;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.when;
+
+public class ArtifactExternalServletTest extends JerseyTest {
+    public static final HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
+    public static final HttpSession session = Mockito.mock(HttpSession.class);
+    public static final ResourceImportManager resourceImportManager = Mockito.mock(ResourceImportManager.class);
+    public static final ResourceBusinessLogic resourceBusinessLogic = Mockito.mock(ResourceBusinessLogic.class);
+    public static final Resource resource = Mockito.mock(Resource.class);
+    public static final UserBusinessLogic userBusinessLogic = Mockito.mock(UserBusinessLogic.class);
+    public static final ComponentInstanceBusinessLogic componentInstanceBusinessLogic = Mockito.mock(ComponentInstanceBusinessLogic.class);
+    public static final ArtifactsBusinessLogic artifactsBusinessLogic = Mockito.mock(ArtifactsBusinessLogic.class);
+
+    private static final ServletContext servletContext = Mockito.mock(ServletContext.class);
+    public static final WebAppContextWrapper webAppContextWrapper = Mockito.mock(WebAppContextWrapper.class);
+    private static final WebApplicationContext webApplicationContext = Mockito.mock(WebApplicationContext.class);
+    private static final ServletUtils servletUtils = Mockito.mock(ServletUtils.class);
+    private static final UserBusinessLogic userAdmin = Mockito.mock(UserBusinessLogic.class);
+    private static final ComponentsUtils componentUtils = Mockito.mock(ComponentsUtils.class);
+    private static final ResponseFormat generalErrorResponseFormat = new ResponseFormat(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    private static final ResponseFormat unauthorizedResponseFormat = Mockito.mock(ResponseFormat.class);
+    private static final ResponseFormat notFoundResponseFormat = Mockito.mock(ResponseFormat.class);
+    private static final ResponseFormat badRequestResponseFormat = Mockito.mock(ResponseFormat.class);
+    private static final String ASSET_TYPE = "assetType";
+    public static final String UUID = "uuid";
+    private static final String RESOURCE_INSTANCE_NAME = "resourceInstanceName";
+    private static final String INTERFACE_UUID = "interfaceUUID";
+    private static final String OPERATION_UUID = "operationUUID";
+    private static final String ARTIFACT_UUID = "artifactUUID";
+    private static final String EMPTY_JSON = "{}";
+
+    /* Users */
+    private static User designerUser = new User("designer", "designer", "designer", "designer@email.com", Role.DESIGNER.name(), System
+            .currentTimeMillis());
+
+    @BeforeClass
+    public static void setup() {
+
+        //Needed for User Authorization
+        when(servletContext.getAttribute(Constants.WEB_APPLICATION_CONTEXT_WRAPPER_ATTR)).thenReturn(webAppContextWrapper);
+        when(webAppContextWrapper.getWebAppContext(servletContext)).thenReturn(webApplicationContext);
+        when(webApplicationContext.getBean(ServletUtils.class)).thenReturn(servletUtils);
+        when(servletUtils.getUserAdmin()).thenReturn(userAdmin);
+        when(servletUtils.getComponentsUtils()).thenReturn(componentUtils);
+        when(componentUtils.getResponseFormat(ActionStatus.RESTRICTED_OPERATION)).thenReturn(unauthorizedResponseFormat);
+        when(unauthorizedResponseFormat.getStatus()).thenReturn(HttpStatus.SC_UNAUTHORIZED);
+
+        ResponseFormat okResponseFormat = new ResponseFormat(org.apache.http.HttpStatus.SC_OK);
+
+        when(componentUtils.getResponseFormat(ActionStatus.OK)) .thenReturn(okResponseFormat);
+        when(componentUtils.getResponseFormat(ActionStatus.INVALID_CONTENT)).thenReturn(badRequestResponseFormat);
+        when(componentUtils.getResponseFormat(ActionStatus.GENERAL_ERROR)) .thenReturn(generalErrorResponseFormat);
+        when(componentUtils.getResponseFormat(any(ComponentException.class)))
+                .thenReturn(generalErrorResponseFormat);
+
+        ByResponseFormatComponentException ce = Mockito.mock(ByResponseFormatComponentException.class);
+        when(ce.getResponseFormat()).thenReturn(unauthorizedResponseFormat);
+
+        //Needed for error configuration
+        when(notFoundResponseFormat.getStatus()).thenReturn(HttpStatus.SC_NOT_FOUND);
+        when(badRequestResponseFormat.getStatus()).thenReturn(HttpStatus.SC_BAD_REQUEST);
+        when(componentUtils.getResponseFormat(eq(ActionStatus.RESOURCE_NOT_FOUND), any())).thenReturn(notFoundResponseFormat);
+        when(componentUtils.getResponseFormat(eq(ActionStatus.COMPONENT_VERSION_NOT_FOUND), any())).thenReturn(notFoundResponseFormat);
+        when(componentUtils.getResponseFormat(eq(ActionStatus.COMPONENT_INSTANCE_NOT_FOUND), any())).thenReturn(notFoundResponseFormat);
+        when(componentUtils.getResponseFormat(eq(ActionStatus.EXT_REF_NOT_FOUND), any())).thenReturn(notFoundResponseFormat);
+        when(componentUtils.getResponseFormat(eq(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID), any())).thenReturn(badRequestResponseFormat);
+        
+        Either<User, ActionStatus> designerEither = Either.left(designerUser);
+
+        when(userAdmin.getUser(designerUser.getUserId(), false)).thenReturn(designerEither);
+
+        String appConfigDir = "src/test/resources/config";
+        ConfigurationSource configurationSource = new FSConfigurationSource(ExternalConfiguration.getChangeListener(), appConfigDir);
+        ConfigurationManager configurationManager = new ConfigurationManager(configurationSource);
+
+        org.openecomp.sdc.be.config.Configuration configuration = new org.openecomp.sdc.be.config.Configuration();
+        configuration.setJanusGraphInMemoryGraph(true);
+
+        configurationManager.setConfiguration(configuration);
+        ExternalConfiguration.setAppName("catalog-be");
+    }
+
+    @Test
+    public void uploadInterfaceOperationArtifactNoInstanceIdHeaderTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, "assetType");
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(INTERFACE_UUID, "interfaceUUID");
+        parametersMap.put(OPERATION_UUID, "operationUUID");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/interfaces/{interfaceUUID}/operations/{operationUUID}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
+    }
+
+    @Test
+    public void uploadInterfaceOperationArtifactNoUserHeaderTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, "assetType");
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(INTERFACE_UUID, "interfaceUUID");
+        parametersMap.put(OPERATION_UUID, "operationUUID");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/interfaces/{interfaceUUID}/operations/{operationUUID}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void uploadInterfaceOperationArtifactTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, "assetType");
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(INTERFACE_UUID, "interfaceUUID");
+        parametersMap.put(OPERATION_UUID, "operationUUID");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/interfaces/{interfaceUUID}/operations/{operationUUID}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+        Either<ArtifactDefinition, ResponseFormat> uploadArtifactEither = Either.left(artifactDefinition);
+        when(artifactsBusinessLogic
+                .updateArtifactOnInterfaceOperationByResourceUUID(anyString(), any(),
+                        any(), any(), any(),
+                        any(), any(), any(),
+                        any()))
+                .thenReturn(uploadArtifactEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Test
+    public void uploadInterfaceOperationArtifactFailedUploadTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, "assetType");
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(INTERFACE_UUID, "interfaceUUID");
+        parametersMap.put(OPERATION_UUID, "operationUUID");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/interfaces/{interfaceUUID}/operations/{operationUUID}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+        Either<ArtifactDefinition, ResponseFormat> uploadArtifactEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_CONFLICT));
+
+        when(artifactsBusinessLogic
+                .updateArtifactOnInterfaceOperationByResourceUUID(anyString(), any(),
+                        any(), any(), any(),
+                        any(), any(), any(),
+                        any()))
+                .thenReturn(uploadArtifactEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_CONFLICT);
+    }
+
+    @Test
+    public void uploadInterfaceOperationArtifactExceptionDuringProcessingTest() {
+        String uuid = "uuidToThrow_uploadArtifact";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, "assetType");
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(INTERFACE_UUID, "interfaceUUID");
+        parametersMap.put(OPERATION_UUID, "operationUUID");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/interfaces/{interfaceUUID}/operations/{operationUUID}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        when(artifactsBusinessLogic
+                .updateArtifactOnInterfaceOperationByResourceUUID(anyString(), any(),
+                        any(), any(), any(),
+                        any(), any(), any(),
+                        any()))
+                .thenThrow(new RuntimeException("Text exception"));
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void uploadArtifactUnknownComponentTypeTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, "something_new");
+        parametersMap.put(UUID, "uuid");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
+    }
+
+    @Test
+    public void uploadArtifactErrorDuringUploadProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<ArtifactDefinition, ResponseFormat> uploadArtifactEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_CONFLICT));
+
+        when(artifactsBusinessLogic
+                .uploadArtifactToComponentByUUID(anyString(), any(), any(), any(),  any(),
+                        any()))
+                .thenReturn(uploadArtifactEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_CONFLICT);
+    }
+
+    @Test
+    public void uploadArtifactExceptionDuringUploadTest() {
+        String uuid = "uuidToThrow_uploadArtifact";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        given(artifactsBusinessLogic.uploadArtifactToComponentByUUID(anyString(), any(),
+                any(), eq(uuid), any(), any()))
+                .willAnswer( invocation -> { throw new IOException("Test exception"); });
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void uploadArtifactTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+        Either<ArtifactDefinition, ResponseFormat> uploadArtifactEither = Either.left(artifactDefinition);
+        when(artifactsBusinessLogic
+                .uploadArtifactToComponentByUUID(anyString(), any(), any(), any(), any(), any()))
+                .thenReturn(uploadArtifactEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Test
+    public void uploadArtifactToInstanceErrorDuringUploadProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<ArtifactDefinition, ResponseFormat> uploadArtifactToRiByUUIDEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_CONFLICT));
+
+        given(artifactsBusinessLogic.uploadArtifactToRiByUUID(anyString(), any(),
+                any(), any(), any(), any()))
+                .willAnswer( invocation -> uploadArtifactToRiByUUIDEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_CONFLICT);
+    }
+
+    @Test
+    public void uploadArtifactToInstanceExceptionDuringUploadTest() {
+        String uuid = "uuidToThrow_uploadArtifactToInstance";
+        String resourceInstanceName = "resourceInstanceNameToThrow_uploadArtifactToInstance";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(RESOURCE_INSTANCE_NAME, resourceInstanceName);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        given(artifactsBusinessLogic.uploadArtifactToRiByUUID(anyString(), any(),
+                any(), eq(uuid), eq(resourceInstanceName), any()))
+                .willAnswer( invocation -> { throw new IOException("Test exception"); });
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void uploadArtifactToInstanceTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+        Either<ArtifactDefinition, ResponseFormat> uploadArtifactToRiByUUIDEither = Either.left(artifactDefinition);
+
+        given(artifactsBusinessLogic.uploadArtifactToRiByUUID(anyString(), any(),
+                any(), any(), any(), any()))
+                .willAnswer( invocation -> uploadArtifactToRiByUUIDEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Test
+    public void updateArtifactErrorDuringUpdateProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<ArtifactDefinition, ResponseFormat> updateArtifactEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_CONFLICT));
+
+        given(artifactsBusinessLogic.updateArtifactOnComponentByUUID(anyString(), any(),
+                any(), any(), any(), any(), any()))
+                .willAnswer( invocation -> updateArtifactEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_CONFLICT);
+    }
+
+    @Test
+    public void updateArtifactExceptionDuringUpdateTest() {
+        String uuid = "uuidToThrow_updateArtifact";
+        String artifactUUID = "artifactUUIDToThrow_updateArtifact";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(ARTIFACT_UUID, artifactUUID);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        given(artifactsBusinessLogic.updateArtifactOnComponentByUUID(anyString(), any(),
+                any(), eq(uuid), eq(artifactUUID), any(), any()))
+                .willAnswer( invocation -> { throw new IOException("Test exception"); });
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void updateArtifactTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+        Either<ArtifactDefinition, ResponseFormat> uploadArtifactToRiByUUIDEither = Either.left(artifactDefinition);
+
+        given(artifactsBusinessLogic.updateArtifactOnComponentByUUID(anyString(), any(),
+                any(), any(), any(), any(), any()))
+                .willAnswer( invocation -> uploadArtifactToRiByUUIDEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+    
+    /////////////////////////
+
+    @Test
+    public void updateArtifactOnResourceInstanceErrorDuringUpdateProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<ArtifactDefinition, ResponseFormat> updateArtifactOnResourceInstanceEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_CONFLICT));
+
+        given(artifactsBusinessLogic.updateArtifactOnRiByUUID(anyString(), any(),
+                any(), any(), any(), any(), any()))
+                .willAnswer( invocation -> updateArtifactOnResourceInstanceEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_CONFLICT);
+    }
+
+    @Test
+    public void updateArtifactOnResourceInstanceExceptionDuringUpdateTest() {
+        String uuid = "uuidToThrow_updateArtifactOnResourceInstance";
+        String resourceInstanceName = "resourceInstanceNameToThrow_updateArtifactOnResourceInstance";
+        String artifactUUID = "artifactUUIDToThrow_updateArtifactOnResourceInstance";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(RESOURCE_INSTANCE_NAME, resourceInstanceName);
+        parametersMap.put(ARTIFACT_UUID, artifactUUID);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        given(artifactsBusinessLogic.updateArtifactOnRiByUUID(anyString(), any(),
+                any(), eq(uuid), eq(resourceInstanceName), eq(artifactUUID), any()))
+                .willAnswer( invocation -> { throw new IOException("Test exception"); });
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void updateArtifactOnResourceInstanceTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+        Either<ArtifactDefinition, ResponseFormat> updateArtifactOnResourceInstanceEither = Either.left(artifactDefinition);
+
+        given(artifactsBusinessLogic.updateArtifactOnRiByUUID(anyString(), any(),
+                any(), any(), any(), any(), any()))
+                .willAnswer( invocation -> updateArtifactOnResourceInstanceEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .post(Entity.json(EMPTY_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Test
+    public void deleteArtifactErrorDuringDeleteProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<ArtifactDefinition, ResponseFormat> deleteArtifactOnComponentByUUIDEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_CONFLICT));
+
+        given(artifactsBusinessLogic.deleteArtifactOnComponentByUUID(any(), any(), any(), any(),
+                any(), any()))
+                .willAnswer( invocation -> deleteArtifactOnComponentByUUIDEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .delete();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_CONFLICT);
+    }
+
+    @Test
+    public void deleteArtifactExceptionDuringDeleteTest() {
+        String uuid = "uuidToThrow_deleteArtifact";
+        String artifactUUID = "artifactUUIDToThrow_deleteArtifact";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(ARTIFACT_UUID, artifactUUID);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        given(artifactsBusinessLogic.deleteArtifactOnComponentByUUID(any(), any(), eq(uuid),
+                eq(artifactUUID), any(), any()))
+                .willAnswer( invocation -> { throw new IOException("Test exception"); });
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .delete();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void deleteArtifactTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+        Either<ArtifactDefinition, ResponseFormat> deleteArtifactOnComponentByUUIDEither = Either.left(artifactDefinition);
+
+        given(artifactsBusinessLogic.deleteArtifactOnComponentByUUID(any(), any(), any(), any(),
+                any(), any()))
+                .willAnswer( invocation -> deleteArtifactOnComponentByUUIDEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .delete();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Test
+    public void deleteArtifactOnResourceErrorDuringDeleteProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<ArtifactDefinition, ResponseFormat> deleteArtifactOnRiByUUIDEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_CONFLICT));
+
+        given(artifactsBusinessLogic.deleteArtifactOnRiByUUID(any(), any(), any(), any(),
+                any(), any()))
+                .willAnswer( invocation -> deleteArtifactOnRiByUUIDEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .delete();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_CONFLICT);
+    }
+
+    @Test
+    public void deleteArtifactOnResourceExceptionDuringDeleteTest() {
+        String uuid = "uuidToThrow_deleteArtifactOnResource";
+        String resourceInstanceName = "resourceInstanceNameToThrow_deleteArtifactOnResource";
+        String artifactUUID = "artifactUUIDToThrow_deleteArtifactOnResource";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(RESOURCE_INSTANCE_NAME, resourceInstanceName);
+        parametersMap.put(ARTIFACT_UUID, artifactUUID);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        given(artifactsBusinessLogic.deleteArtifactOnRiByUUID(any(), any(), eq(uuid),
+                eq(resourceInstanceName), eq(artifactUUID), any()))
+                .willAnswer( invocation -> { throw new IOException("Test exception"); });
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .delete();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void deleteArtifactOnResourceTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+        Either<ArtifactDefinition, ResponseFormat> deleteArtifactOnRiByUUIDEither = Either.left(artifactDefinition);
+
+        given(artifactsBusinessLogic.deleteArtifactOnRiByUUID(any(), any(), any(), any(),
+                any(), any()))
+                .willAnswer( invocation -> deleteArtifactOnRiByUUIDEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_JSON)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .delete();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Test
+    public void downloadComponentArtifactErrorDuringDownloadProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<byte[], ResponseFormat> downloadComponentArtifactByUUIDsEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_SERVICE_UNAVAILABLE));
+
+        given(artifactsBusinessLogic.downloadComponentArtifactByUUIDs(any(), any(), any(), any()))
+                .willAnswer( invocation -> downloadComponentArtifactByUUIDsEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_OCTET_STREAM)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .get();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_SERVICE_UNAVAILABLE);
+    }
+
+    @Test
+    public void downloadComponentArtifactExceptionDuringUploadTest() {
+        String uuid = "uuidToThrow_downloadComponentArtifact";
+        String artifactUUID = "artifactUUIDToThrow_downloadComponentArtifact";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(ARTIFACT_UUID, artifactUUID);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        given(artifactsBusinessLogic.downloadComponentArtifactByUUIDs(any(), eq(uuid),
+                eq(artifactUUID), any()))
+                .willAnswer( invocation -> { throw new IOException("Test exception"); });
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_OCTET_STREAM)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .get();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void downloadComponentArtifactTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        byte[] responsePayload = {0xA, 0xB, 0xC, 0xD};
+        Either<byte[], ResponseFormat> downloadComponentArtifactByUUIDsEither = Either.left(responsePayload);
+
+        given(artifactsBusinessLogic.downloadComponentArtifactByUUIDs(any(), any(), any(), any()))
+                .willAnswer( invocation -> downloadComponentArtifactByUUIDsEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_OCTET_STREAM)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .get();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Test
+    public void downloadResourceInstanceArtifactErrorDuringDownloadProcessingTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        Either<byte[], ResponseFormat> downloadResourceInstanceArtifactByUUIDsEither =
+                Either.right(new ResponseFormat(HttpStatus.SC_SERVICE_UNAVAILABLE));
+
+        given(artifactsBusinessLogic.downloadResourceInstanceArtifactByUUIDs(any(), any(), any(),
+                any()))
+                .willAnswer( invocation -> downloadResourceInstanceArtifactByUUIDsEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_OCTET_STREAM)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .get();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_SERVICE_UNAVAILABLE);
+    }
+
+    @Test
+    public void downloadResourceInstanceArtifactExceptionDuringUploadTest() {
+        String uuid = "uuidToThrow_downloadResourceInstanceArtifact";
+        String resourceInstanceName = "resourceInstanceNameToThrow_downloadResourceInstanceArtifact";
+        String artifactUUID = "artifactUUIDToThrow_downloadResourceInstanceArtifact";
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, uuid);
+        parametersMap.put(RESOURCE_INSTANCE_NAME, resourceInstanceName);
+        parametersMap.put(ARTIFACT_UUID, artifactUUID);
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        when(artifactsBusinessLogic.downloadResourceInstanceArtifactByUUIDs(any(), eq(uuid),
+                eq(resourceInstanceName), eq(artifactUUID)))
+                .thenThrow(new ByResponseFormatComponentException(generalErrorResponseFormat));
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_OCTET_STREAM)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .get();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    @Test
+    public void downloadResourceInstanceArtifactTest() {
+        Map<String,String> parametersMap = new HashMap<>();
+        parametersMap.put(ASSET_TYPE, ComponentTypeEnum.SERVICE_PARAM_NAME);
+        parametersMap.put(UUID, "uuid");
+        parametersMap.put(RESOURCE_INSTANCE_NAME, "resourceInstanceName");
+        parametersMap.put(ARTIFACT_UUID, "artifactUUID");
+
+        String formatEndpoint = "/v1/catalog/{assetType}/{uuid}/resourceInstances/{resourceInstanceName}/artifacts/{artifactUUID}";
+        String path = StrSubstitutor.replace(formatEndpoint, parametersMap, "{","}");
+
+        byte[] responsePayload = {0xA, 0xB, 0xC, 0xD};
+        Either<byte[], ResponseFormat> downloadResourceInstanceArtifactByUUIDsEither = Either.left(responsePayload);
+
+        given(artifactsBusinessLogic.downloadResourceInstanceArtifactByUUIDs(any(), any(), any(),
+                any()))
+                .willAnswer( invocation -> downloadResourceInstanceArtifactByUUIDsEither);
+
+        Response response = target()
+                .path(path)
+                .request()
+                .accept(MediaType.APPLICATION_OCTET_STREAM)
+                .header(Constants.X_ECOMP_INSTANCE_ID_HEADER, "mockXEcompInstanceId")
+                .header(Constants.USER_ID_HEADER, designerUser.getUserId())
+                .get();
+
+        assertThat(response.getStatus()).isEqualTo(HttpStatus.SC_OK);
+    }
+
+    @Override
+    protected Application configure() {
+        ApplicationContext context = new AnnotationConfigApplicationContext(SpringConfig.class);
+        return new ResourceConfig(ArtifactExternalServlet.class)
+                .register(new AbstractBinder() {
+
+                    @Override
+                    protected void configure() {
+                        bind(request).to(HttpServletRequest.class);
+                        bind(userBusinessLogic).to(UserBusinessLogic.class);
+                        bind(componentInstanceBusinessLogic).to(ComponentInstanceBusinessLogic.class);
+                        bind(componentUtils).to(ComponentsUtils.class);
+                        bind(servletUtils).to(ServletUtils.class);
+                        bind(resourceImportManager).to(ResourceImportManager.class);
+                        bind(artifactsBusinessLogic).to(ArtifactsBusinessLogic.class);
+                    }
+                })
+                .property("contextConfig", context);
+    }
+}
\ No newline at end of file