Spring-Test-MVC / MockServletContext - 测试中的内容为空,但在Tomcat上工作

时间:2012-06-15 07:55:08

标签: java testing servlets spring-mvc mocking

我们正在尝试为Spring-MVC Web应用程序设置Spring-Test-MVC。我们开始使用freemarker,一切都很好。我们决定反对它,现在正试图用JSP进行设置。当测试应用程序部署在Tomcat上时,它正在运行。当我们运行简单测试时:

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(loader = WebContextLoader.class, locations = { "file:src/main/webapp/WEB-INF/servlet-context.xml" })
public class SkelletonTest {

    @Inject
    private MockMvc mockMvc;

    @Test
    public void homeTest() throws Exception {
        mockMvc.perform(get("/")).andExpect(status().isOk())
                .andExpect(content().type("text/html;charset=ISO-8859-1"))
                .andExpect(content().string(containsString("Hello World!")));
    }

它说:content type not set或者如果删除它,内容将为空。然而,控制器将被调用,因此映射必须有效。

所以这强烈暗示我们的测试没有呈现视图,但我不知道我可能缺少什么设置。

这是我们的servlet-context.xml:

<context:component-scan base-package="package.to.controllers" />
<mvc:annotation-driven />

<bean id="viewResolver"
    class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    <property name="viewClass"
        value="org.springframework.web.servlet.view.JstlView" />
    <property name="exposeContextBeansAsAttributes" value="true" />
    <property name="prefix" value="/views/" />
    <property name="suffix" value=".jsp" />
</bean>

WebContextLoader:

public class WebContextLoader extends GenericWebContextLoader {
    public WebContextLoader() {
        super("src/main/webapp", false);
    }
}

GenericWebContextLoader是spring-test-mvc的原文。

MockMvc像这样设置为Bean:

@Configuration
public class TestConfig {

    @Inject
    private WebApplicationContext wac;

    @Bean   
    public MockMvc create(){
        return (MockMvcBuilders.webApplicationContextSetup(this.wac).build());
    }
}

这就是设置。测试框架不使用web.xml,因为它以前工作无关紧要。

我认为servlet-context中必须有一个额外的设置。它被加载,我检查了但是对于Tomcat部署的应用程序而言重要的是,我为前缀和后缀设置的内容将被测试忽略。

不确定错误跟踪有多大帮助,但这里是:

java.lang.AssertionError: Content type not set
    at org.springframework.test.web.AssertionErrors.fail(AssertionErrors.java:35)
    at org.springframework.test.web.AssertionErrors.assertTrue(AssertionErrors.java:57)
    at org.springframework.test.web.server.result.ContentResultMatchers$1.match(ContentResultMatchers.java:59)
    at org.springframework.test.web.server.MockMvc$1.andExpect(MockMvc.java:84)
    at our.package.SkelletonTest.homeTest(SkelletonTest.java:30)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
    at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
    at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

测试输出:

2012-06-15 10:41:04 TestContextManager [INFO] @TestExecutionListeners is not present for class [class package.to.test.SkelletonTest]: using defaults.
2012-06-15 10:41:05 XmlBeanDefinitionReader [INFO] Loading XML bean definitions from URL [file:src/main/webapp/WEB-INF/servlet-context.xml]
2012-06-15 10:41:05 ClassPathBeanDefinitionScanner [INFO] JSR-330 'javax.inject.Named' annotation found and supported for component scanning
2012-06-15 10:41:05 GenericWebApplicationContext [INFO] Refreshing org.springframework.web.context.support.GenericWebApplicationContext@158539f: startup date [Fri Jun 15 10:41:05 CEST 2012]; root of context hierarchy
2012-06-15 10:41:05 AutowiredAnnotationBeanPostProcessor [INFO] JSR-330 'javax.inject.Inject' annotation found and supported for autowiring
2012-06-15 10:41:05 DefaultListableBeanFactory [INFO] Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@c64bc2: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,testConfig,freemarkerController,homeController,tableService,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0,org.springframework.format.support.FormattingConversionServiceFactoryBean#0,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter#0,org.springframework.web.servlet.handler.MappedInterceptor#0,org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver#0,org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver#0,org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver#0,org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping,org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter,org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter,viewResolver,org.springframework.context.annotation.ConfigurationClassPostProcessor$ImportAwareBeanPostProcessor#0,create]; root of factory hierarchy
2012-06-15 10:41:05 RequestMappingHandlerMapping [INFO] Mapped "{[/],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public org.springframework.web.servlet.ModelAndView package.to.controller.HomeController.index()
2012-06-15 10:41:05 RequestMappingHandlerMapping [INFO] Mapped "{[/test],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public java.lang.String package.to.controller.HomeController.test(org.springframework.ui.Model)
2012-06-15 10:41:06 GenericWebContextLoader$1 [INFO] Initializing Spring FrameworkServlet ''
2012-06-15 10:41:06 TestDispatcherServlet [INFO] FrameworkServlet '': initialization started
2012-06-15 10:41:06 TestDispatcherServlet [INFO] FrameworkServlet '': initialization completed in 32 ms
2012-06-15 10:41:06 GenericWebApplicationContext [INFO] Closing org.springframework.web.context.support.GenericWebApplicationContext@158539f: startup date [Fri Jun 15 10:41:05 CEST 2012]; root of context hierarchy
2012-06-15 10:41:06 DefaultListableBeanFactory [INFO] Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@c64bc2: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,testConfig,freemarkerController,homeController,tableService,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0,org.springframework.format.support.FormattingConversionServiceFactoryBean#0,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter#0,org.springframework.web.servlet.handler.MappedInterceptor#0,org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver#0,org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver#0,org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver#0,org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping,org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter,org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter,viewResolver,org.springframework.context.annotation.ConfigurationClassPostProcessor$ImportAwareBeanPostProcessor#0,create]; root of factory hierarchy

非常感谢有任何帮助我找到问题的建议!

顺便说一下:不想再这样了,所以我跳过了pom。我们正在使用Spring 3.1,spring-test-mvc 1.0.0..BUILD-SNAPSHOT,jsp-ap 2.2,jstl 1.2,...如果您需要了解更多,我会尝试将其上传到某个地方......


修改

如果您需要更多信息或无法回答我的问题,请告知我们。真的需要搞清楚,我不知道,从哪里开始。所以也欢迎任何想法或意见。


EDIT2

使用带有以下输出的print方法:

MockHttpServletRequest:
         HTTP Method = GET
         Request URI = /
          Parameters = {}
             Headers = {}

             Handler:
                Type = package.to.controller.HomeController
              Method = public org.springframework.web.servlet.ModelAndView package.to.controller.HomeController.index()

  Resolved Exception:
                Type = null

        ModelAndView:
           View name = index
                View = null
           Attribute = welcome
               value = Hello World!

            FlashMap:

MockHttpServletResponse:
              Status = 200
       Error message = null
             Headers = {}
        Content type = null
                Body = 
       Forwarded URL = /views/index.jsp
      Redirected URL = null
             Cookies = []

这只是更好地展示问题而不是解决方案...


EDIT3

刚刚发现以下内容:

JSP需要一个servlet容器。所以我似乎无法以这种方式测试我的页面...如果有人知道如何解决这个问题,请告诉我..

3 个答案:

答案 0 :(得分:8)

@Biju - 我很感激这个答案,这让我省去了一次旅行,而且我不是想在这里拍摄信使,但我必须说出Spring团队中任何可能有动力去建立某事的人的利益更好的是,我发现MockMVC几乎是一种琐碎无用的练习。首先,不直接支持Spring身份验证。如果你侦察StackOverflow,你可以找到一个解决方法。然后我自己发现,如果你有弹簧上下文配置,你可以弥补的每个路径都会返回“OK”,即使它应该返回“notFound”。好吧,无论如何,把它拿出去让我们再也不说了。 :)现在来发现MockMVC实际上只是MockMC - 没有视图处理发生。因此,在一天结束时,这个软件的优点是测试既不包含安全性也不包含视图的应用程序 - 这将是什么,确切地说,玩具JSON应用程序?

这不是一个真正的答案,这是一个咆哮,这意味着现在MockMVC将花费我StackOverflow的声誉! :)绿巨人粉碎!

[编辑] - 好吧咆哮它看起来确实有这样的方法。 [LATER EDIT]不幸的是,我找到的方式已经不再可用了。

答案 1 :(得分:1)

添加到您的edit3,主要是为了呈现最终调用的JSP,

RequestDispatcher requestDispatcher = httpRequest.getRequestDispacher(jspPath)
requestDispatcher.forward(httpRequest,httpResponse)

并且RequestDispatcher实现由容器提供(因为它取决于如何编译jsp,在何处放置已编译的jsp等)。 RequestDispatcher的Mock实现只是捕获转发的JSP页面,而只能验证JSP的路径是否符合预期。

答案 2 :(得分:0)

我创建了MockRequestDispatcher的修改版本,它构建了与MockMvc相同的链,并将请求传递给该链以用于转发请求。这为我解决了这个问题。如果视图在调度程序servlet之外呈现(例如通过jsp),则还需要完成一些工作。

代码在那里:https://gist.github.com/micw/a8b20720db900762a29d

大多数工作都是在正确的地方注射它。我这样做了我为MockMvc创建了一个RequestPostProcessor和一些拦截MockHttpServletRequest.getRequestDispatcher调用的mockito-magic。

要使用它,请将其添加到测试类路径中,并在创建MockMvc实例后直接调用它:

    mvc = MockMvcBuilders.webAppContextSetup(webApplicationContext)
            [...]
            .build();
    WebMvcRequestDispatcherForwardFix.apply(mvc);