/*
* Copyright 2002-2014 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.config.annotation;
import java.util.Collections;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.springframework.http.HttpStatus;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockHttpServletResponse;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.servlet.mvc.ParameterizableViewController;
import org.springframework.web.servlet.view.RedirectView;
import static org.junit.Assert.*;
/**
* Test fixture with a {@link ViewControllerRegistry}.
*
* @author Rossen Stoyanchev
*/
public class ViewControllerRegistryTests {
private ViewControllerRegistry registry;
private MockHttpServletRequest request;
private MockHttpServletResponse response;
@Before
public void setUp() {
this.registry = new ViewControllerRegistry();
this.request = new MockHttpServletRequest("GET", "/");
this.response = new MockHttpServletResponse();
}
@Test
public void noViewControllers() throws Exception {
assertNull(this.registry.getHandlerMapping());
}
@Test
public void addViewController() {
this.registry.addViewController("/path").setViewName("viewName");
ParameterizableViewController controller = getController("/path");
assertEquals("viewName", controller.getViewName());
assertNull(controller.getStatusCode());
assertFalse(controller.isStatusOnly());
}
@Test
public void addViewControllerWithDefaultViewName() {
this.registry.addViewController("/path");
ParameterizableViewController controller = getController("/path");
assertNull(controller.getViewName());
assertNull(controller.getStatusCode());
assertFalse(controller.isStatusOnly());
}
@Test
public void addRedirectViewController() throws Exception {
this.registry.addRedirectViewController("/path", "/redirectTo");
RedirectView redirectView = getRedirectView("/path");
this.request.setQueryString("a=b");
this.request.setContextPath("/context");
redirectView.render(Collections.emptyMap(), this.request, this.response);
assertEquals(302, this.response.getStatus());
assertEquals("/context/redirectTo", this.response.getRedirectedUrl());
}
@Test
public void addRedirectViewControllerWithCustomSettings() throws Exception {
this.registry.addRedirectViewController("/path", "/redirectTo")
.setContextRelative(false)
.setKeepQueryParams(true)
.setStatusCode(HttpStatus.PERMANENT_REDIRECT);
RedirectView redirectView = getRedirectView("/path");
this.request.setQueryString("a=b");
this.request.setContextPath("/context");
redirectView.render(Collections.emptyMap(), this.request, this.response);
assertEquals(308, this.response.getStatus());
assertEquals("/redirectTo?a=b", response.getRedirectedUrl());
}
@Test
public void addStatusController() {
this.registry.addStatusController("/path", HttpStatus.NOT_FOUND);
ParameterizableViewController controller = getController("/path");
assertNull(controller.getViewName());
assertEquals(HttpStatus.NOT_FOUND, controller.getStatusCode());
assertTrue(controller.isStatusOnly());
}
@Test
public void order() {
this.registry.addViewController("/path");
SimpleUrlHandlerMapping handlerMapping = getHandlerMapping();
assertEquals(1, handlerMapping.getOrder());
this.registry.setOrder(2);
handlerMapping = getHandlerMapping();
assertEquals(2, handlerMapping.getOrder());
}
private ParameterizableViewController getController(String path) {
Map<String, ?> urlMap = getHandlerMapping().getUrlMap();
ParameterizableViewController controller = (ParameterizableViewController) urlMap.get(path);
assertNotNull(controller);
return controller;
}
private SimpleUrlHandlerMapping getHandlerMapping() {
return (SimpleUrlHandlerMapping) this.registry.getHandlerMapping();
}
private RedirectView getRedirectView(String path) {
ParameterizableViewController controller = getController("/path");
assertNull(controller.getViewName());
assertNotNull(controller.getView());
assertEquals(RedirectView.class, controller.getView().getClass());
return (RedirectView) controller.getView();
}
}