/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.servlet.mvc.method.annotation;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.MethodParameter;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.ui.ModelMap;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.method.support.ModelAndViewContainer;
import org.springframework.web.servlet.mvc.support.RedirectAttributesModelMap;
import static org.junit.Assert.*;
/**
* Test fixture with {@link ViewNameMethodReturnValueHandler}.
*
* @author Rossen Stoyanchev
*/
public class ViewNameMethodReturnValueHandlerTests {
private ViewNameMethodReturnValueHandler handler;
private ModelAndViewContainer mavContainer;
private ServletWebRequest webRequest;
private MethodParameter param;
@Before
public void setup() throws NoSuchMethodException {
this.handler = new ViewNameMethodReturnValueHandler();
this.mavContainer = new ModelAndViewContainer();
this.webRequest = new ServletWebRequest(new MockHttpServletRequest());
this.param = new MethodParameter(getClass().getDeclaredMethod("viewName"), -1);
}
@Test
public void supportsReturnType() throws Exception {
assertTrue(this.handler.supportsReturnType(this.param));
}
@Test
public void returnViewName() throws Exception {
this.handler.handleReturnValue("testView", this.param, this.mavContainer, this.webRequest);
assertEquals("testView", this.mavContainer.getViewName());
}
@Test
public void returnViewNameRedirect() throws Exception {
ModelMap redirectModel = new RedirectAttributesModelMap();
this.mavContainer.setRedirectModel(redirectModel);
this.handler.handleReturnValue("redirect:testView", this.param, this.mavContainer, this.webRequest);
assertEquals("redirect:testView", this.mavContainer.getViewName());
assertSame(redirectModel, this.mavContainer.getModel());
}
@Test
public void returnViewCustomRedirect() throws Exception {
ModelMap redirectModel = new RedirectAttributesModelMap();
this.mavContainer.setRedirectModel(redirectModel);
this.handler.setRedirectPatterns("myRedirect:*");
this.handler.handleReturnValue("myRedirect:testView", this.param, this.mavContainer, this.webRequest);
assertEquals("myRedirect:testView", this.mavContainer.getViewName());
assertSame(redirectModel, this.mavContainer.getModel());
}
@Test
public void returnViewRedirectWithCustomRedirectPattern() throws Exception {
ModelMap redirectModel = new RedirectAttributesModelMap();
this.mavContainer.setRedirectModel(redirectModel);
this.handler.setRedirectPatterns("myRedirect:*");
this.handler.handleReturnValue("redirect:testView", this.param, this.mavContainer, this.webRequest);
assertEquals("redirect:testView", this.mavContainer.getViewName());
assertSame(redirectModel, this.mavContainer.getModel());
}
@SuppressWarnings("unused")
String viewName() {
return null;
}
}