Merge pull request #25092 from jkatada:fix-ModelAndView-status-for-redirect

* gh-25092:
  Fix for ModelAndView.status not working with RedirectView

Author: poutsma

spring-webmvc/src/main/java/org/springframework/web/servlet/DispatcherServlet.java

@@ -1395,6 +1395,7 @@ protected void render(ModelAndView mv, HttpServletRequest request, HttpServletRe
 		}
 		try {
 			if (mv.getStatus() != null) {
+				request.setAttribute(View.RESPONSE_STATUS_ATTRIBUTE, mv.getStatus());
 				response.setStatus(mv.getStatus().value());
 			}
 			view.render(mv.getModelInternal(), request, response);

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ServletAnnotationControllerHandlerMethodTests.java

@@ -1897,6 +1897,18 @@ void modelAndViewWithStatus(boolean usePathPatterns) throws Exception {
 		assertThat(response.getForwardedUrl()).isEqualTo("view");
 	}
 
+	@PathPatternsParameterizedTest
+	void modelAndViewWithStatusForRedirect(boolean usePathPatterns) throws Exception {
+		initDispatcherServlet(ModelAndViewController.class, usePathPatterns);
+
+		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/redirect");
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		getServlet().service(request, response);
+
+		assertThat(response.getStatus()).isEqualTo(307);
+		assertThat(response.getRedirectedUrl()).isEqualTo("/path");
+	}
+
 	@PathPatternsParameterizedTest // SPR-14796
 	void modelAndViewWithStatusInExceptionHandler(boolean usePathPatterns) throws Exception {
 		initDispatcherServlet(ModelAndViewController.class, usePathPatterns);
@@ -3872,6 +3884,11 @@ public ModelAndView methodWithHttpStatus(MyEntity object) {
 			return new ModelAndView("view", HttpStatus.UNPROCESSABLE_ENTITY);
 		}
 
+		@RequestMapping("/redirect")
+		public ModelAndView methodWithHttpStatusForRedirect(MyEntity object) {
+			return new ModelAndView("redirect:/path", HttpStatus.TEMPORARY_REDIRECT);
+		}
+
 		@RequestMapping("/exception")
 		public void raiseException() throws Exception {
 			throw new TestException();