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Merge pull request #856 from watson-developer-cloud/mdk/error-handling-test
New test for error handling
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‎core/src/test/java/com/ibm/watson/developer_cloud/service/ErrorResponseTest.java

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/**
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* Copyright 2017 IBM Corp. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.ibm.watson.developer_cloud.service;
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import com.ibm.watson.developer_cloud.WatsonServiceUnitTest;
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import com.ibm.watson.developer_cloud.http.HttpMediaType;
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import com.ibm.watson.developer_cloud.http.RequestBuilder;
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import com.ibm.watson.developer_cloud.http.ServiceCall;
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import com.ibm.watson.developer_cloud.service.exception.BadRequestException;
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import com.ibm.watson.developer_cloud.service.exception.ConflictException;
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import com.ibm.watson.developer_cloud.service.exception.ForbiddenException;
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import com.ibm.watson.developer_cloud.service.exception.InternalServerErrorException;
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import com.ibm.watson.developer_cloud.service.exception.NotFoundException;
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import com.ibm.watson.developer_cloud.service.exception.RequestTooLargeException;
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import com.ibm.watson.developer_cloud.service.exception.ServiceUnavailableException;
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import com.ibm.watson.developer_cloud.service.exception.TooManyRequestsException;
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import com.ibm.watson.developer_cloud.service.exception.UnauthorizedException;
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import com.ibm.watson.developer_cloud.service.exception.UnsupportedException;
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import com.ibm.watson.developer_cloud.service.model.GenericModel;
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import com.ibm.watson.developer_cloud.util.ResponseConverterUtils;
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import okhttp3.mockwebserver.MockResponse;
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import org.junit.Before;
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import org.junit.Test;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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public class ErrorResponseTest extends WatsonServiceUnitTest {
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public class TestService extends WatsonService {
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private static final String SERVICE_NAME = "test";
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public TestService() {
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super(SERVICE_NAME);
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}
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public ServiceCall<GenericModel> testMethod() {
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RequestBuilder builder = RequestBuilder.get("/v1/test");
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return createServiceCall(builder.build(), ResponseConverterUtils.getObject(GenericModel.class));
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}
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}
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TestService service;
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/*
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* (non-Javadoc)
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*
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* @see com.ibm.watson.developer_cloud.WatsonServiceTest#setUp()
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*/
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@Override
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@Before
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public void setUp() throws Exception {
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super.setUp();
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service = new TestService();
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service.setApiKey("");
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service.setEndPoint(getMockWebServerUrl());
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}
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/**
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* Test HTTP status code 400 (Bad Request) error response.
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*/
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@Test
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public void testBadRequest() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(400)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof BadRequestException);
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BadRequestException ex = (BadRequestException) e;
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assertEquals(400, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 401 (Unauthorized) error response.
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*/
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@Test
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public void testUnauthorized() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(401)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof UnauthorizedException);
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UnauthorizedException ex = (UnauthorizedException) e;
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assertEquals(401, ex.getStatusCode());
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assertTrue(ex.getMessage().startsWith("Unauthorized: Access is denied due to invalid credentials."));
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}
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}
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/**
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* Test HTTP status code 403 (Forbidden) error response.
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*/
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@Test
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public void testForbidden() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(403)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof ForbiddenException);
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ForbiddenException ex = (ForbiddenException) e;
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assertEquals(403, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 404 (NotFound) error response.
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*/
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@Test
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public void testNotFound() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(404)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof NotFoundException);
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NotFoundException ex = (NotFoundException) e;
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assertEquals(404, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 409 (Conflict) error response.
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*/
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@Test
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public void testConflict() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(409)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof ConflictException);
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ConflictException ex = (ConflictException) e;
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assertEquals(409, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 413 (RequestTooLarge) error response.
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*/
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@Test
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public void testRequestTooLarge() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(413)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof RequestTooLargeException);
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RequestTooLargeException ex = (RequestTooLargeException) e;
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assertEquals(413, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 415 (Unsupported Media Type) error response.
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*/
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@Test
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public void testUnsupported() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(415)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof UnsupportedException);
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UnsupportedException ex = (UnsupportedException) e;
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assertEquals(415, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 429 (TooManyRequests) error response.
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*/
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@Test
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public void testTooManyRequests() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(429)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof TooManyRequestsException);
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TooManyRequestsException ex = (TooManyRequestsException) e;
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assertEquals(429, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 500 (InternalServerError) error response.
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*/
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@Test
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public void testInternalServerError() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(500)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof InternalServerErrorException);
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InternalServerErrorException ex = (InternalServerErrorException) e;
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assertEquals(500, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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/**
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* Test HTTP status code 503 (ServiceUnavailable) error response.
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*/
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@Test
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public void testServiceUnavailable() {
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String message = "The request failed because the moon is full.";
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server.enqueue(new MockResponse()
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.setResponseCode(503)
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.addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
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.setBody("{\"error\": \"" + message + "\"}"));
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try {
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GenericModel response = service.testMethod().execute();
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} catch (Exception e) {
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assertTrue(e instanceof ServiceUnavailableException);
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ServiceUnavailableException ex = (ServiceUnavailableException) e;
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assertEquals(503, ex.getStatusCode());
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assertEquals(message, ex.getMessage());
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}
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}
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}

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