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/* |
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* Copyright 2002-2011 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.web.servlet.mvc.method.annotation.support; |
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import static org.junit.Assert.assertEquals; |
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import static org.junit.Assert.assertFalse; |
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import static org.junit.Assert.assertTrue; |
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import java.lang.reflect.Method; |
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import org.junit.Before; |
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import org.junit.Test; |
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import org.springframework.core.MethodParameter; |
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import org.springframework.mock.web.MockHttpServletRequest; |
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import org.springframework.web.context.request.ServletWebRequest; |
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import org.springframework.web.method.support.ModelAndViewContainer; |
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import org.springframework.web.servlet.ModelAndView; |
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import org.springframework.web.servlet.view.RedirectView; |
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/** |
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* Test fixture with {@link ModelAndViewMethodReturnValueHandler}. |
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* |
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* @author Rossen Stoyanchev |
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*/ |
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public class ModelAndViewMethodReturnValueHandlerTests { |
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private ModelAndViewMethodReturnValueHandler handler; |
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private ModelAndViewContainer mavContainer; |
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private ServletWebRequest webRequest; |
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@Before |
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public void setUp() { |
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this.handler = new ModelAndViewMethodReturnValueHandler(); |
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this.mavContainer = new ModelAndViewContainer(); |
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this.webRequest = new ServletWebRequest(new MockHttpServletRequest()); |
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} |
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@Test |
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public void supportsReturnType() throws Exception { |
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assertTrue(handler.supportsReturnType(getReturnValueParam("modelAndView"))); |
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assertFalse(handler.supportsReturnType(getReturnValueParam("viewName"))); |
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} |
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@Test |
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public void handleReturnValueViewName() throws Exception { |
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ModelAndView mav = new ModelAndView("viewName", "attrName", "attrValue"); |
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handler.handleReturnValue(mav, getReturnValueParam("modelAndView"), mavContainer, webRequest); |
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assertEquals("viewName", mavContainer.getView()); |
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assertEquals("attrValue", mavContainer.getModel().get("attrName")); |
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} |
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@Test |
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public void handleReturnValueView() throws Exception { |
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ModelAndView mav = new ModelAndView(new RedirectView(), "attrName", "attrValue"); |
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handler.handleReturnValue(mav, getReturnValueParam("modelAndView"), mavContainer, webRequest); |
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assertEquals(RedirectView.class, mavContainer.getView().getClass()); |
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assertEquals("attrValue", mavContainer.getModel().get("attrName")); |
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} |
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@Test |
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public void handleReturnValueNull() throws Exception { |
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handler.handleReturnValue(null, getReturnValueParam("modelAndView"), mavContainer, webRequest); |
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assertFalse(mavContainer.isResolveView()); |
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} |
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private MethodParameter getReturnValueParam(String methodName) throws Exception { |
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Method method = getClass().getDeclaredMethod(methodName); |
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return new MethodParameter(method, -1); |
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} |
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ModelAndView modelAndView() { |
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return null; |
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} |
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String viewName() { |
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return null; |
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} |
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} |
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