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/*
* Copyright 2002-2015 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.FileNotFoundException;
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 org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.context.ApplicationContextException;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockHttpServletResponse;
import org.springframework.mock.web.test.MockServletContext;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver;
import org.springframework.web.servlet.view.AbstractView;
import org.springframework.web.servlet.view.InternalResourceView;
import org.springframework.web.servlet.view.RedirectView;
import freemarker.ext.servlet.AllHttpScopesHashModel;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Juergen Hoeller
* @author Sam Brannen
* @since 14.03.2004
*/
public class FreeMarkerViewTests {
@Rule
public final ExpectedException exception = ExpectedException.none();
@Test
public void noFreeMarkerConfig() throws Exception {
FreeMarkerView fv = new FreeMarkerView();
WebApplicationContext wac = mock(WebApplicationContext.class);
given(wac.getBeansOfType(FreeMarkerConfig.class, true, false)).willReturn(new HashMap<String, FreeMarkerConfig>());
given(wac.getServletContext()).willReturn(new MockServletContext());
fv.setUrl("anythingButNull");
exception.expect(ApplicationContextException.class);
exception.expectMessage(containsString("FreeMarkerConfig"));
fv.setApplicationContext(wac);
}
@Test
public void noTemplateName() throws Exception {
FreeMarkerView fv = new FreeMarkerView();
exception.expect(IllegalArgumentException.class);
exception.expectMessage(containsString("url"));
fv.afterPropertiesSet();
}
@Test
public void validTemplateName() throws Exception {
FreeMarkerView fv = new FreeMarkerView();
WebApplicationContext wac = mock(WebApplicationContext.class);
MockServletContext sc = new MockServletContext();
Map<String, FreeMarkerConfig> configs = new HashMap<String, FreeMarkerConfig>();
FreeMarkerConfigurer configurer = new FreeMarkerConfigurer();
configurer.setConfiguration(new TestConfiguration());
configs.put("configurer", configurer);
given(wac.getBeansOfType(FreeMarkerConfig.class, true, false)).willReturn(configs);
given(wac.getServletContext()).willReturn(sc);
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<String, Object> model = new HashMap<String, Object>();
model.put("myattr", "myvalue");
fv.render(model, request, response);
assertEquals(AbstractView.DEFAULT_CONTENT_TYPE, response.getContentType());
}
@Test
public void keepExistingContentType() throws Exception {
FreeMarkerView fv = new FreeMarkerView();
WebApplicationContext wac = mock(WebApplicationContext.class);
MockServletContext sc = new MockServletContext();
Map<String, FreeMarkerConfig> configs = new HashMap<String, FreeMarkerConfig>();
FreeMarkerConfigurer configurer = new FreeMarkerConfigurer();
configurer.setConfiguration(new TestConfiguration());
configs.put("configurer", configurer);
given(wac.getBeansOfType(FreeMarkerConfig.class, true, false)).willReturn(configs);
given(wac.getServletContext()).willReturn(sc);
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<String, Object> model = new HashMap<String, Object>();
model.put("myattr", "myvalue");
fv.render(model, request, response);
assertEquals("myContentType", response.getContentType());
}
@Test
public void freeMarkerViewResolver() throws Exception {
FreeMarkerConfigurer configurer = new FreeMarkerConfigurer();
configurer.setConfiguration(new TestConfiguration());
StaticWebApplicationContext wac = new StaticWebApplicationContext();
wac.setServletContext(new MockServletContext());
wac.getBeanFactory().registerSingleton("configurer", configurer);
wac.refresh();
FreeMarkerViewResolver vr = new FreeMarkerViewResolver();
vr.setPrefix("prefix_");
vr.setSuffix("_suffix");
vr.setApplicationContext(wac);
View view = vr.resolveViewName("test", Locale.CANADA);
assertEquals("Correct view class", FreeMarkerView.class, view.getClass());
assertEquals("Correct URL", "prefix_test_suffix", ((FreeMarkerView) view).getUrl());
view = vr.resolveViewName("non-existing", Locale.CANADA);
assertNull(view);
view = vr.resolveViewName("redirect:myUrl", Locale.getDefault());
assertEquals("Correct view class", RedirectView.class, view.getClass());
assertEquals("Correct URL", "myUrl", ((RedirectView) view).getUrl());
view = vr.resolveViewName("forward:myUrl", Locale.getDefault());
assertEquals("Correct view class", InternalResourceView.class, view.getClass());
assertEquals("Correct URL", "myUrl", ((InternalResourceView) view).getUrl());
}
private class TestConfiguration extends Configuration {
TestConfiguration() {
super(Configuration.DEFAULT_INCOMPATIBLE_IMPROVEMENTS);
}
@Override
public Template getTemplate(String name, final Locale locale) throws IOException {
if (name.equals("templateName") || name.equals("prefix_test_suffix")) {
return new Template(name, new StringReader("test"), this) {
@Override
public void process(Object model, Writer writer) throws TemplateException, IOException {
assertEquals(Locale.US, locale);
assertTrue(model instanceof AllHttpScopesHashModel);
AllHttpScopesHashModel fmModel = (AllHttpScopesHashModel) model;
assertEquals("myvalue", fmModel.get("myattr").toString());
}
};
}
else {
throw new FileNotFoundException();
}
}
}
}
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