DelegatingFilterProxyTests.java 文件源码

@Test
public void testDelegatingFilterProxyWithTargetBeanName() throws ServletException, IOException {
    MockServletContext sc = new MockServletContext();

    StaticWebApplicationContext wac = new StaticWebApplicationContext();
    wac.setServletContext(sc);
    wac.registerSingleton("targetFilter", MockFilter.class);
    wac.refresh();
    sc.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);

    MockFilter targetFilter = (MockFilter) wac.getBean("targetFilter");

    DelegatingFilterProxy filterProxy = new DelegatingFilterProxy("targetFilter");
    filterProxy.init(new MockFilterConfig(sc));

    MockHttpServletRequest request = new MockHttpServletRequest();
    MockHttpServletResponse response = new MockHttpServletResponse();
    filterProxy.doFilter(request, response, null);

    assertNull(targetFilter.filterConfig);
    assertEquals(Boolean.TRUE, request.getAttribute("called"));

    filterProxy.destroy();
    assertNull(targetFilter.filterConfig);
}