Spring Framework example source code file (UrlFilenameViewControllerTests.java)

This example Spring Framework source code file (UrlFilenameViewControllerTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

exception, exception, get, mockhttpservletrequest, mockhttpservletrequest, mockhttpservletresponse, mockhttpservletresponse, modelandview, pathmatcher, string, testcase, urlfilenameviewcontroller, urlfilenameviewcontroller, when

The Spring Framework UrlFilenameViewControllerTests.java source code

/*
 * Copyright 2002-2007 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;

import junit.framework.TestCase;

import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.util.AntPathMatcher;
import org.springframework.util.PathMatcher;
import org.springframework.web.servlet.HandlerMapping;
import org.springframework.web.servlet.ModelAndView;

/**
 * @author Juergen Hoeller
 * @author Rick Evans
 * @since 14.09.2005
 */
public class UrlFilenameViewControllerTests extends TestCase {

	private PathMatcher pathMatcher = new AntPathMatcher();


	public void testWithPlainFilename() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/index");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("index", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testWithFilenamePlusExtension() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/index.html");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("index", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testWithPrefixAndSuffix() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		ctrl.setPrefix("mypre_");
		ctrl.setSuffix("_mysuf");
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/index.html");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("mypre_index_mysuf", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testWithPrefix() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		ctrl.setPrefix("mypre_");
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/index.html");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("mypre_index", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testWithSuffix() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		ctrl.setSuffix("_mysuf");
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/index.html");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("index_mysuf", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testMultiLevel() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/docs/cvs/commit.html");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("docs/cvs/commit", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testMultiLevelWithMapping() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/docs/cvs/commit.html");
		exposePathInMapping(request, "/docs/**");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("cvs/commit", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testMultiLevelMappingWithFallback() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/docs/cvs/commit.html");
		exposePathInMapping(request, "/docs/cvs/commit.html");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("docs/cvs/commit", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testWithContextMapping() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myapp/docs/cvs/commit.html");
		request.setContextPath("/myapp");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("docs/cvs/commit", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	public void testSettingPrefixToNullCausesEmptyStringToBeUsed() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		ctrl.setPrefix(null);
		assertNotNull("When setPrefix(..) is called with a null argument, the empty string value must be used instead.", ctrl.getPrefix());
		assertEquals("When setPrefix(..) is called with a null argument, the empty string value must be used instead.", "", ctrl.getPrefix());
	}

	public void testSettingSuffixToNullCausesEmptyStringToBeUsed() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		ctrl.setSuffix(null);
		assertNotNull("When setSuffix(..) is called with a null argument, the empty string value must be used instead.", ctrl.getSuffix());
		assertEquals("When setSuffix(..) is called with a null argument, the empty string value must be used instead.", "", ctrl.getSuffix());
	}

	/**
	 * This is the expected behavior, and it now has a test to prove it.
	 * http://opensource.atlassian.com/projects/spring/browse/SPR-2789
	 */
	public void testNestedPathisUsedAsViewName_InBreakingChangeFromSpring12Line() throws Exception {
		UrlFilenameViewController ctrl = new UrlFilenameViewController();
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/products/view.html");
		MockHttpServletResponse response = new MockHttpServletResponse();
		ModelAndView mv = ctrl.handleRequest(request, response);
		assertEquals("products/view", mv.getViewName());
		assertTrue(mv.getModel().isEmpty());
	}

	private void exposePathInMapping(MockHttpServletRequest request, String mapping) {
		String pathInMapping = this.pathMatcher.extractPathWithinPattern(mapping, request.getRequestURI());
		request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, pathInMapping);
	}

}