Spring Framework example source code file (InternalResourceViewTests.java)

This example Spring Framework source code file (InternalResourceViewTests.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, hashmap, hashmap, http, httpservletrequest, i, internalresourceview, internalresourceview, iterator, mockhttpservletresponse, mockhttpservletresponse, object, request, response, servlet, set, string, string, util

The Spring Framework InternalResourceViewTests.java source code

/*
 * Copyright 2002-2008 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.view;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;

import junit.framework.TestCase;
import org.easymock.MockControl;

import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockRequestDispatcher;
import org.springframework.mock.web.MockServletContext;
import org.springframework.web.util.WebUtils;

/**
 * @author Rod Johnson
 * @author Juergen Hoeller
 */
public class InternalResourceViewTests extends TestCase {

	/**
	 * Test that if the url property isn't supplied, view initialization fails.
	 */
	public void testRejectsNullUrl() throws Exception {
		InternalResourceView view = new InternalResourceView();
		try {
			view.afterPropertiesSet();
			fail("Should be forced to set URL");
		}
		catch (IllegalArgumentException ex) {
			// expected
		}
	}

	public void testForward() throws Exception {
		HashMap model = new HashMap();
		Object obj = new Integer(1);
		model.put("foo", "bar");
		model.put("I", obj);

		String url = "forward-to";
		
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myservlet/handler.do");
		request.setContextPath("/mycontext");
		request.setServletPath("/myservlet");
		request.setPathInfo(";mypathinfo");
		request.setQueryString("?param1=value1");

		InternalResourceView view = new InternalResourceView();
		view.setUrl(url);
		view.setServletContext(new MockServletContext() {
			public int getMinorVersion() {
				return 4;
			}
		});

		MockHttpServletResponse response = new MockHttpServletResponse();
		view.render(model, request, response);
		assertEquals(url, response.getForwardedUrl());

		Set keys = model.keySet();
		for (Iterator it = keys.iterator(); it.hasNext();) {
			String key = (String) it.next();
			assertEquals(model.get(key), request.getAttribute(key));
		}

		assertEquals("/myservlet/handler.do", request.getAttribute(WebUtils.FORWARD_REQUEST_URI_ATTRIBUTE));
		assertEquals("/mycontext", request.getAttribute(WebUtils.FORWARD_CONTEXT_PATH_ATTRIBUTE));
		assertEquals("/myservlet", request.getAttribute(WebUtils.FORWARD_SERVLET_PATH_ATTRIBUTE));
		assertEquals(";mypathinfo", request.getAttribute(WebUtils.FORWARD_PATH_INFO_ATTRIBUTE));
		assertEquals("?param1=value1", request.getAttribute(WebUtils.FORWARD_QUERY_STRING_ATTRIBUTE));
	}

	public void testForwardWithForwardAttributesPresent() throws Exception {
		HashMap model = new HashMap();
		Object obj = new Integer(1);
		model.put("foo", "bar");
		model.put("I", obj);

		String url = "forward-to";

		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myservlet/handler.do");
		request.setContextPath("/mycontext");
		request.setServletPath("/myservlet");
		request.setPathInfo(";mypathinfo");
		request.setQueryString("?param1=value1");

		request.setAttribute(WebUtils.FORWARD_REQUEST_URI_ATTRIBUTE, "/MYservlet/handler.do");
		request.setAttribute(WebUtils.FORWARD_CONTEXT_PATH_ATTRIBUTE, "/MYcontext");
		request.setAttribute(WebUtils.FORWARD_SERVLET_PATH_ATTRIBUTE, "/MYservlet");
		request.setAttribute(WebUtils.FORWARD_PATH_INFO_ATTRIBUTE, ";MYpathinfo");
		request.setAttribute(WebUtils.FORWARD_QUERY_STRING_ATTRIBUTE, "?Param1=value1");

		InternalResourceView view = new InternalResourceView();
		view.setUrl(url);
		view.setServletContext(new MockServletContext() {
			public int getMinorVersion() {
				return 4;
			}
		});

		MockHttpServletResponse response = new MockHttpServletResponse();
		view.render(model, request, response);
		assertEquals(url, response.getForwardedUrl());

		Set keys = model.keySet();
		for (Iterator it = keys.iterator(); it.hasNext();) {
			String key = (String) it.next();
			assertEquals(model.get(key), request.getAttribute(key));
		}

		assertEquals("/MYservlet/handler.do", request.getAttribute(WebUtils.FORWARD_REQUEST_URI_ATTRIBUTE));
		assertEquals("/MYcontext", request.getAttribute(WebUtils.FORWARD_CONTEXT_PATH_ATTRIBUTE));
		assertEquals("/MYservlet", request.getAttribute(WebUtils.FORWARD_SERVLET_PATH_ATTRIBUTE));
		assertEquals(";MYpathinfo", request.getAttribute(WebUtils.FORWARD_PATH_INFO_ATTRIBUTE));
		assertEquals("?Param1=value1", request.getAttribute(WebUtils.FORWARD_QUERY_STRING_ATTRIBUTE));
	}

	public void testAlwaysInclude() throws Exception {
		HashMap model = new HashMap();
		Object obj = new Integer(1);
		model.put("foo", "bar");
		model.put("I", obj);

		String url = "forward-to";

		MockControl reqControl = MockControl.createControl(HttpServletRequest.class);
		HttpServletRequest request = (HttpServletRequest) reqControl.getMock();
		Set keys = model.keySet();
		for (Iterator iter = keys.iterator(); iter.hasNext();) {
			String key = (String) iter.next();
			request.setAttribute(key, model.get(key));
			reqControl.setVoidCallable(1);
		}

		request.getRequestDispatcher(url);
		reqControl.setReturnValue(new MockRequestDispatcher(url));
		reqControl.replay();

		MockHttpServletResponse response = new MockHttpServletResponse();
		InternalResourceView v = new InternalResourceView();
		v.setUrl(url);
		v.setAlwaysInclude(true);

		// Can now try multiple tests
		v.render(model, request, response);
		assertEquals(url, response.getIncludedUrl());
		reqControl.verify();
	}

	public void testIncludeOnAttribute() throws Exception {
		HashMap model = new HashMap();
		Object obj = new Integer(1);
		model.put("foo", "bar");
		model.put("I", obj);

		String url = "forward-to";

		MockControl reqControl = MockControl.createControl(HttpServletRequest.class);
		HttpServletRequest request = (HttpServletRequest) reqControl.getMock();
		Set keys = model.keySet();
		for (Iterator iter = keys.iterator(); iter.hasNext();) {
			String key = (String) iter.next();
			request.setAttribute(key, model.get(key));
			reqControl.setVoidCallable(1);
		}

		request.getAttribute(WebUtils.INCLUDE_REQUEST_URI_ATTRIBUTE);
		reqControl.setReturnValue("somepath");
		request.getRequestDispatcher(url);
		reqControl.setReturnValue(new MockRequestDispatcher(url));
		reqControl.replay();

		MockHttpServletResponse response = new MockHttpServletResponse();
		InternalResourceView v = new InternalResourceView();
		v.setUrl(url);

		// Can now try multiple tests
		v.render(model, request, response);
		assertEquals(url, response.getIncludedUrl());
		reqControl.verify();
	}

	public void testIncludeOnCommitted() throws Exception {
		HashMap model = new HashMap();
		Object obj = new Integer(1);
		model.put("foo", "bar");
		model.put("I", obj);

		String url = "forward-to";

		MockControl reqControl = MockControl.createControl(HttpServletRequest.class);
		HttpServletRequest request = (HttpServletRequest) reqControl.getMock();
		Set keys = model.keySet();
		for (Iterator iter = keys.iterator(); iter.hasNext();) {
			String key = (String) iter.next();
			request.setAttribute(key, model.get(key));
			reqControl.setVoidCallable(1);
		}

		request.getAttribute(WebUtils.INCLUDE_REQUEST_URI_ATTRIBUTE);
		reqControl.setReturnValue(null);
		request.getRequestDispatcher(url);
		reqControl.setReturnValue(new MockRequestDispatcher(url));
		reqControl.replay();

		MockHttpServletResponse response = new MockHttpServletResponse();
		response.setCommitted(true);
		InternalResourceView v = new InternalResourceView();
		v.setUrl(url);

		// Can now try multiple tests
		v.render(model, request, response);
		assertEquals(url, response.getIncludedUrl());
		reqControl.verify();
	}

}