ServletAnnotationControllerTests.java 文件源码

@Test
public void emptyParameterListHandleMethod() throws Exception {
    @SuppressWarnings("serial") DispatcherServlet servlet = new DispatcherServlet() {
        @Override
        protected WebApplicationContext createWebApplicationContext(WebApplicationContext parent) {
            GenericWebApplicationContext wac = new GenericWebApplicationContext();
            wac.registerBeanDefinition("controller",
                    new RootBeanDefinition(EmptyParameterListHandlerMethodController.class));
            RootBeanDefinition vrDef = new RootBeanDefinition(InternalResourceViewResolver.class);
            vrDef.getPropertyValues().add("suffix", ".jsp");
            wac.registerBeanDefinition("viewResolver", vrDef);
            wac.refresh();
            return wac;
        }
    };
    servlet.init(new MockServletConfig());

    MockHttpServletRequest request = new MockHttpServletRequest("GET", "/emptyParameterListHandler");
    MockHttpServletResponse response = new MockHttpServletResponse();

    EmptyParameterListHandlerMethodController.called = false;
    servlet.service(request, response);
    assertTrue(EmptyParameterListHandlerMethodController.called);
    assertEquals("", response.getContentAsString());
}