Java tutorial
package net.eusashead.hateoas.conditional.interceptor; /* * #[license] * spring-responseentitybuilder * %% * Copyright (C) 2013 Eusa's Head * %% * 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] */ import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.asyncDispatch; import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete; import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get; import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post; import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put; import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.request; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.header; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.request; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status; import static org.springframework.test.web.servlet.setup.MockMvcBuilders.webAppContextSetup; import java.nio.charset.Charset; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; 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.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import org.springframework.test.context.web.WebAppConfiguration; import org.springframework.test.web.servlet.MockMvc; import org.springframework.test.web.servlet.MvcResult; import org.springframework.web.context.WebApplicationContext; @RunWith(SpringJUnit4ClassRunner.class) @WebAppConfiguration @ContextConfiguration(classes = { WebConfig.class }) public class AsyncTestControllerITCase { @Autowired private WebApplicationContext context; private MockMvc mockMvc; @Before public void before() { this.mockMvc = webAppContextSetup(this.context).dispatchOptions(true).build(); } @Test public void testConditionalGet() throws Exception { // Expected result HttpHeaders headers = new HttpHeaders(); headers.setETag("\"123456\""); ResponseEntity<String> expectedResult = new ResponseEntity<String>("hello", headers, HttpStatus.OK); // Execute asynchronously MvcResult mvcResult = this.mockMvc .perform(get("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON)) .andExpect(request().asyncStarted()).andExpect(request().asyncResult(expectedResult)).andReturn(); // Perform asynchronous dispatch this.mockMvc.perform(asyncDispatch(mvcResult)).andExpect(status().isOk()) .andExpect(header().string("ETag", "\"123456\"")) .andExpect(content().contentType(new MediaType("application", "json", Charset.forName("UTF-8")))); // The 304 should be returned synchronously (it bypasses the controller) this.mockMvc .perform(get("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON).header("If-None-Match", "\"123456\"")) .andExpect(status().isNotModified()).andReturn(); } @Test public void testConditionalHead() throws Exception { // Expected result HttpHeaders headers = new HttpHeaders(); headers.setETag("\"123456\""); ResponseEntity<String> expectedResult = new ResponseEntity<String>(headers, HttpStatus.OK); // Execute asynchronously MvcResult mvcResult = this.mockMvc .perform(request(HttpMethod.HEAD, "http://localhost/async/123") .contentType(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON)) .andExpect(request().asyncStarted()).andExpect(request().asyncResult(expectedResult)).andReturn(); // Perform asynchronous dispatch this.mockMvc.perform(asyncDispatch(mvcResult)).andExpect(status().isOk()) .andExpect(header().string("ETag", "\"123456\"")).andExpect(content().string("")); // The 304 should be returned synchronously (it bypasses the controller) this.mockMvc.perform( request(HttpMethod.HEAD, "http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON).header("If-None-Match", "\"123456\"")) .andExpect(status().isNotModified()).andReturn(); } @Test public void testPutWithoutIfMatch() throws Exception { // The 428 should be returned synchronously (it bypasses the controller) this.mockMvc .perform(put("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON)) .andExpect(status().isPreconditionRequired()).andReturn(); } @Test public void testDeleteWithoutIfMatch() throws Exception { // The 428 should be returned synchronously (it bypasses the controller) this.mockMvc .perform(delete("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON)) .andExpect(status().isPreconditionRequired()).andReturn(); } @Test public void testPutPreconditionFailed() throws Exception { // Get the resource (to set the ETag) MvcResult mvcResult = this.mockMvc.perform(get("http://localhost/async/123") .contentType(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON)) .andExpect(request().asyncStarted()).andReturn(); // Perform asynchronous dispatch this.mockMvc.perform(asyncDispatch(mvcResult)).andExpect(status().isOk()) .andExpect(header().string("ETag", "\"123456\"")) .andExpect(content().contentType(new MediaType("application", "json", Charset.forName("UTF-8")))); // The 412 should be returned synchronously (it bypasses the controller) this.mockMvc .perform(put("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON).header("If-Match", "2132132")) .andExpect(status().isPreconditionFailed()).andReturn(); } @Test public void testDeletePreconditionFailed() throws Exception { // Get the resource (to set the ETag) MvcResult mvcResult = this.mockMvc.perform(get("http://localhost/async/123") .contentType(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON)) .andExpect(request().asyncStarted()).andReturn(); // Perform asynchronous dispatch this.mockMvc.perform(asyncDispatch(mvcResult)).andExpect(status().isOk()) .andExpect(header().string("ETag", "\"123456\"")) .andExpect(content().contentType(new MediaType("application", "json", Charset.forName("UTF-8")))); // The 412 should be returned synchronously (it bypasses the controller) this.mockMvc .perform(delete("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON).header("If-Match", "2132132")) .andExpect(status().isPreconditionFailed()).andReturn(); } @Test public void testPutPreconditionOK() throws Exception { // Expected result HttpHeaders headers = new HttpHeaders(); headers.setETag("\"123456\""); ResponseEntity<String> expectedResult = new ResponseEntity<String>(headers, HttpStatus.NO_CONTENT); // 204 should be returned MvcResult mvcResult = this.mockMvc .perform(put("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON).header("If-Match", "\"123456\"")) .andExpect(request().asyncStarted()).andExpect(request().asyncResult(expectedResult)).andReturn(); // Perform asynchronous dispatch this.mockMvc.perform(asyncDispatch(mvcResult)).andExpect(status().isNoContent()) .andExpect(header().string("ETag", "\"123456\"")).andExpect(content().string("")); } @Test public void testDeletePreconditionOK() throws Exception { // Expected result ResponseEntity<String> expectedResult = new ResponseEntity<String>(HttpStatus.NO_CONTENT); // 204 should be returned MvcResult mvcResult = this.mockMvc .perform(delete("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON).header("If-Match", "\"123456\"")) .andExpect(request().asyncStarted()).andExpect(request().asyncResult(expectedResult)).andReturn(); // Perform asynchronous dispatch this.mockMvc.perform(asyncDispatch(mvcResult)).andExpect(status().isNoContent()) .andExpect(content().string("")); } @Test public void testPostFlushesETag() throws Exception { // Post asynchronously MvcResult mvcResult = this.mockMvc.perform(post("http://localhost/async/123") .contentType(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON)).andReturn(); // Perform asynchronous dispatch this.mockMvc.perform(asyncDispatch(mvcResult)).andExpect(status().isCreated()) .andExpect(content().string("")); // Expected result HttpHeaders headers = new HttpHeaders(); headers.setETag("\"123456\""); ResponseEntity<String> expectedResult = new ResponseEntity<String>("hello", headers, HttpStatus.OK); // Get the resource this.mockMvc .perform(get("http://localhost/async/123").contentType(MediaType.APPLICATION_JSON) .accept(MediaType.APPLICATION_JSON)) .andExpect(request().asyncStarted()).andExpect(request().asyncResult(expectedResult)).andReturn(); } }