Spring Framework example source code file (FreeMarkerViewTests.java)

This example Spring Framework source code file (FreeMarkerViewTests.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, freemarkerconfigurer, freemarkerview, freemarkerview, hashmap, hashmap, http, io, map, map, mockcontrol, mockhttpservletrequest, mockservletcontext, request, response, servlet, testconfiguration, util, webapplicationcontext, webapplicationcontext

The Spring Framework FreeMarkerViewTests.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.freemarker;

import java.io.IOException;
import java.io.StringReader;
import java.io.Writer;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import junit.framework.TestCase;
import org.easymock.MockControl;

import org.springframework.context.ApplicationContextException;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockServletContext;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver;
import org.springframework.web.servlet.view.AbstractView;

/**
 * @author Juergen Hoeller
 * @since 14.03.2004
 */
public class FreeMarkerViewTests extends TestCase {

	public void testNoFreemarkerConfig() {
		FreeMarkerView fv = new FreeMarkerView();

		MockControl wmc = MockControl.createControl(WebApplicationContext.class);
		WebApplicationContext wac = (WebApplicationContext) wmc.getMock();
		wac.getBeansOfType(FreeMarkerConfig.class, true, false);
		wmc.setReturnValue(new HashMap());
		wac.getParentBeanFactory();
		wmc.setReturnValue(null);
		wmc.replay();

		fv.setUrl("anythingButNull");
		try {
			fv.setApplicationContext(wac);
			fail();
		}
		catch (ApplicationContextException ex) {
			// Check there's a helpful error message
			assertTrue(ex.getMessage().indexOf("FreeMarkerConfig") != -1);
		}

		wmc.verify();
	}

	public void testNoTemplateName() throws Exception {
		FreeMarkerView fv = new FreeMarkerView();
		try {
			fv.afterPropertiesSet();
			fail("Should have thrown IllegalArgumentException");
		}
		catch (IllegalArgumentException ex) {
			// Check there's a helpful error message
			assertTrue(ex.getMessage().indexOf("url") != -1);
		}
	}

	public void testValidTemplateName() throws Exception {
		FreeMarkerView fv = new FreeMarkerView();

		MockControl wmc = MockControl.createNiceControl(WebApplicationContext.class);
		WebApplicationContext wac = (WebApplicationContext) wmc.getMock();
		MockServletContext sc = new MockServletContext();

		wac.getBeansOfType(FreeMarkerConfig.class, true, false);
		Map configs = new HashMap();
		FreeMarkerConfigurer configurer = new FreeMarkerConfigurer();
		configurer.setConfiguration(new TestConfiguration());
		configs.put("freemarkerConfig", configurer);
		wmc.setReturnValue(configs);
		wac.getParentBeanFactory();
		wmc.setReturnValue(null);
		wac.getServletContext();
		wmc.setReturnValue(sc, 4);
		wmc.replay();

		fv.setUrl("templateName");
		fv.setApplicationContext(wac);

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addPreferredLocale(Locale.US);
		request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
		request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new AcceptHeaderLocaleResolver());
		HttpServletResponse response = new MockHttpServletResponse();

		Map model = new HashMap();
		model.put("myattr", "myvalue");
		fv.render(model, request, response);

		wmc.verify();
		assertEquals(AbstractView.DEFAULT_CONTENT_TYPE, response.getContentType());
	}

	public void testKeepExistingContentType() throws Exception {
		FreeMarkerView fv = new FreeMarkerView();

		MockControl wmc = MockControl.createNiceControl(WebApplicationContext.class);
		WebApplicationContext wac = (WebApplicationContext) wmc.getMock();
		MockServletContext sc = new MockServletContext();

		wac.getBeansOfType(FreeMarkerConfig.class, true, false);
		Map configs = new HashMap();
		FreeMarkerConfigurer configurer = new FreeMarkerConfigurer();
		configurer.setConfiguration(new TestConfiguration());
		configs.put("freemarkerConfig", configurer);
		wmc.setReturnValue(configs);
		wac.getParentBeanFactory();
		wmc.setReturnValue(null);
		wac.getServletContext();
		wmc.setReturnValue(sc, 4);
		wmc.replay();

		fv.setUrl("templateName");
		fv.setApplicationContext(wac);

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addPreferredLocale(Locale.US);
		request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
		request.setAttribute(DispatcherServlet.LOCALE_RESOLVER_ATTRIBUTE, new AcceptHeaderLocaleResolver());
		HttpServletResponse response = new MockHttpServletResponse();
		response.setContentType("myContentType");

		Map model = new HashMap();
		model.put("myattr", "myvalue");
		fv.render(model, request, response);

		wmc.verify();
		assertEquals("myContentType", response.getContentType());
	}


	private class TestConfiguration extends Configuration {

		public Template getTemplate(String name, final Locale locale) throws IOException {
			assertEquals("templateName", name);
			return new Template(name, new StringReader("test")) {
				public void process(Object model, Writer writer) throws TemplateException, IOException {
					assertEquals(Locale.US, locale);
					assertTrue(model instanceof Map);
					Map modelMap = (Map) model;
					assertEquals("myvalue", modelMap.get("myattr"));
				}
			};
		}
	}

}