我开始使用Spring 3.2的新MVC Testframework,并且无法为我的所有测试用例获取406个HTTP响应代码 .
测试用例很简单
public class LocationResouceTest {
@Autowired
private WebApplicationContext wac;
private MockMvc mockMvc;
@Before
public void setup() {
this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
}
@Test
public void testGetLocationByPlzPattern() throws Exception {
// here I need to define the media type as a static var from MediaType
this.mockMvc.perform(get("/someurl?someparam=somevalue")).andExpect(status().isOk());
}
}
相应的资源是
@Controller
// here I need to define the media type as string
@RequestMapping(value = "/someurl", produces = "application/json; charset=UTF-8")
public class LocationResource {
@ResponseBody
@RequestMapping(method = RequestMethod.GET)
public ArrayList<DTO> getAllIndex(@RequestParam("someparam") String param) {
return ... //the list of DTO classes is transformed to json just fine if called with curl
}
}
我确信这是因为媒体类型不对,但我无法弄清楚原因 .
失败的测试用例的痕迹:
java.lang.AssertionError:期望的状态:<200>但是在org.springframework.test.util.AssertionErrors.assertEquals的org.springframework.test.util.AssertionErrors.fail(AssertionErrors.java:60)中是:<406> (AssertionErrors.java:89)在org.springframework.test.web.servlet.result.StatusResultMatchers $ 5.match(StatusResultMatchers.java:546)在org.springframework.test.web.servlet.MockMvc $ 1.andExpect(MockMvc.java :141)在de.yourdelivery.rest.location.LocationResouceTest.testGetLocationByPlzPattern(LocationResouceTest.java:37)在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)在sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)在java.lang.reflect.Method.invoke(Method.java:597)在org.junit.runners.model.FrameworkMethod $ 1.runReflectiveCall(FrameworkMethod.java:45 )org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)at org.junit.ru在org.junit.internal.runners.statements.RunBefores.evaluate的org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)中的nners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)在org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java: 83)在org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)在org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)在org.springframework .test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:88)在org.junit.runners.ParentRunner $ 3.run(ParentRunner.java:231)在org.junit.runners.ParentRunner $ 1.schedule(ParentRunner.java :60)在org.junit.runners.ParentRunner.runChildren(ParentRunner) .java:229)org.junit.runners.ParentRunner.access $ 000(ParentRunner.java:50)位于org.springframework.test.context的org.junit.runners.ParentRunner $ 2.evaluate(ParentRunner.java:222) . junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)at org.junit.runners.ParentRunner.run(ParentRunner . Java的:300)在org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)在org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)在组织位于org.eclipse.jdt的org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)的.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) .internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)at or.e.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteT) estRunner.java:390)org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
8 回答
您需要将以下代码添加到spring xml以在jackson中序列化POJO .
有必要同时拥有
@EnableWebMvc
和.accept(MediaType.APPLICATION_JSON)
您缺少配置xml文件中的
<mvc:annotation-driven />
.我认为, Spring 天的做事方式是使用HttpResponseEntity,或者返回一个模式视图 . 例如 :
(我会对此感兴趣你做的所有进步都是非常新的)
我认为修复方法是以这种方式修改请求:
我刚才遇到了同样的问题,并通过将Controller的返回类型更改为String来解决 . 并直接返回JSON字符串而不是对象 . 它确实有效 .
如果您有
@Configuration
类,则可以添加@EnableWebMvc
注释,而不是使用带有<mvc:annotation-driven />
的XML配置 .这可能是由于Spring测试上下文中没有任何MVC配置引起的 . 使用类似的东西时:
...那么
test-context.xml
文件还应包含以下内容:人们可以很容易地测试上面是否是问题,控制器没有指定任何特殊的东西(例如:
@RequestMapping
中没有produces
),因此不需要任何内容协商:...有: