Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ package org.apache.wink.itest.exceptionmappers; import javax.ws.rs.core.Response.Status; import javax.xml.bind.JAXBContext; import junit.framework.TestCase; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.DeleteMethod; import org.apache.commons.httpclient.methods.GetMethod; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.commons.httpclient.methods.PutMethod; import org.apache.commons.httpclient.methods.StringRequestEntity; import org.apache.wink.itest.exceptionmappers.nomapper.Comment; import org.apache.wink.itest.exceptionmappers.nomapper.CommentError; import org.apache.wink.test.integration.ServerContainerAssertions; import org.apache.wink.test.integration.ServerEnvironmentInfo; /** * Tests exception throwing without any exception mapping providers. */ public class JAXRSExceptionsNoMapperTest extends TestCase { public String getBaseURI() { if (ServerEnvironmentInfo.isRestFilterUsed()) { return ServerEnvironmentInfo.getBaseURI() + "/guestbooknomap"; } return ServerEnvironmentInfo.getBaseURI() + "/exceptionsnomapper" + "/guestbooknomap"; } /** * Test the positive workflow where a comment with a message and author is * successfully posted to the Guestbook. * * @throws Exception */ public void testRegularWorkflow() throws Exception { /* FIXME: this is not a repeatable test */ HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(getBaseURI() + "/clear"); client.executeMethod(postMethod); assertEquals(204, postMethod.getStatusCode()); postMethod = new PostMethod(getBaseURI()); postMethod.setRequestEntity(new StringRequestEntity( "<comment><message>Hello World!</message><author>Anonymous</author></comment>", "text/xml", null)); client.executeMethod(postMethod); assertEquals(201, postMethod.getStatusCode()); String newPostURILocation = postMethod.getResponseHeader("Location").getValue(); GetMethod getMethod = new GetMethod(newPostURILocation); client.executeMethod(getMethod); assertEquals(200, getMethod.getStatusCode()); Comment c = (Comment) JAXBContext.newInstance(Comment.class.getPackage().getName()).createUnmarshaller() .unmarshal(getMethod.getResponseBodyAsStream()); assertEquals("Anonymous", c.getAuthor()); assertEquals(1, c.getId().intValue()); assertEquals("Hello World!", c.getMessage()); } /** * Tests a method that throws an emptily constructed * <code>WebApplicationException</code>. * * @throws Exception */ public void testWebApplicationExceptionDefaultNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(getBaseURI()); postMethod.setRequestEntity(new StringRequestEntity("<comment></comment>", "text/xml", null)); client.executeMethod(postMethod); assertEquals(Status.INTERNAL_SERVER_ERROR.getStatusCode(), postMethod.getStatusCode()); ServerContainerAssertions.assertExceptionBodyFromServer(500, postMethod.getResponseBodyAsString()); } /** * Tests a method that throws a <code>WebApplicationException</code> with an * integer status code. * * @throws Exception */ public void testWebApplicationExceptionStatusCodeSetNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(getBaseURI()); postMethod.setRequestEntity(new StringRequestEntity( "<comment><message>Suppose to fail with missing author.</message></comment>", "text/xml", null)); client.executeMethod(postMethod); assertEquals(499, postMethod.getStatusCode()); ServerContainerAssertions.assertExceptionBodyFromServer(499, postMethod.getResponseBodyAsString()); } /** * Tests a method that throws a <code>WebApplicationException</code> with a * Response.Status set. * * @throws Exception */ public void testWebApplicationExceptionResponseStatusSetNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(getBaseURI()); postMethod.setRequestEntity(new StringRequestEntity("", "text/xml", null)); client.executeMethod(postMethod); assertEquals(Status.BAD_REQUEST.getStatusCode(), postMethod.getStatusCode()); ServerContainerAssertions.assertExceptionBodyFromServer(400, postMethod.getResponseBodyAsString()); } /** * Tests a method that throws a <code>WebApplicationException</code> with a * Response. * * @throws Exception */ public void testWebApplicationExceptionResponseSetNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(getBaseURI()); postMethod.setRequestEntity( new StringRequestEntity("<comment><author>Anonymous</author></comment>", "text/xml", null)); client.executeMethod(postMethod); assertEquals(Status.BAD_REQUEST.getStatusCode(), postMethod.getStatusCode()); CommentError c = (CommentError) JAXBContext.newInstance(CommentError.class.getPackage().getName()) .createUnmarshaller().unmarshal(postMethod.getResponseBodyAsStream()); assertEquals("Missing the message in the comment.", c.getErrorMessage()); } /** * Tests a method that throws a subclass of * <code>WebApplicationException</code> with a Response. * * @throws Exception */ public void testCustomWebApplicationExceptionNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(getBaseURI()); postMethod.setRequestEntity(new StringRequestEntity( "<comment><message></message><author></author></comment>", "text/xml", null)); client.executeMethod(postMethod); assertEquals(498, postMethod.getStatusCode()); CommentError c = (CommentError) JAXBContext.newInstance(CommentError.class.getPackage().getName()) .createUnmarshaller().unmarshal(postMethod.getResponseBodyAsStream()); assertEquals("Cannot post an invalid message.", c.getErrorMessage()); } /** * Tests a method that throws a runtime exception. * * @throws Exception */ public void testRuntimeExceptionNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); /* * abcd is an invalid ID so a NumberFormatException will be thrown in * the resource */ DeleteMethod postMethod = new DeleteMethod(getBaseURI() + "/abcd"); client.executeMethod(postMethod); assertEquals(500, postMethod.getStatusCode()); // assertLogContainsException("java.lang.NumberFormatException: For input string: \"abcd\""); } /** * Tests a method that throws a NullPointerException inside a called method. * * @throws Exception */ public void testNullPointerExceptionNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); DeleteMethod postMethod = new DeleteMethod(getBaseURI() + "/10000"); client.executeMethod(postMethod); assertEquals(500, postMethod.getStatusCode()); // assertLogContainsException("java.lang.NullPointerException: The comment did not previously exist."); } /** * Tests a method that throws an error. * * @throws Exception */ public void testErrorNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); DeleteMethod postMethod = new DeleteMethod(getBaseURI() + "/-99999"); client.executeMethod(postMethod); assertEquals(500, postMethod.getStatusCode()); // assertLogContainsException("java.lang.Error: Simulated error"); } /** * Tests a method that throws a checked exception. * * @throws Exception */ public void testCheckExceptionNoMappingProvider() throws Exception { HttpClient client = new HttpClient(); PutMethod putMethod = new PutMethod(getBaseURI() + "/-99999"); putMethod.setRequestEntity(new StringRequestEntity( "<comment><id></id><message></message><author></author></comment>", "text/xml", null)); client.executeMethod(putMethod); assertEquals(500, putMethod.getStatusCode()); // assertLogContainsException("jaxrs.tests.exceptions.nomapping.server.GuestbookException: Unexpected ID."); } }