ResponseEntityExceptionHandlerTests.java 文件源码

@Test
public void controllerAdvice() throws Exception {
    StaticWebApplicationContext cxt = new StaticWebApplicationContext();
    cxt.registerSingleton("exceptionHandler", ApplicationExceptionHandler.class);
    cxt.refresh();

    ExceptionHandlerExceptionResolver resolver = new ExceptionHandlerExceptionResolver();
    resolver.setApplicationContext(cxt);
    resolver.afterPropertiesSet();

    ServletRequestBindingException ex = new ServletRequestBindingException("message");
    resolver.resolveException(this.servletRequest, this.servletResponse, null, ex);

    assertEquals(400, this.servletResponse.getStatus());
    assertEquals("error content", this.servletResponse.getContentAsString());
    assertEquals("someHeaderValue", this.servletResponse.getHeader("someHeader"));
}