/*
* 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.view.groovy;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Arrays;
import java.util.Locale;
import groovy.text.TemplateEngine;
import groovy.text.markup.MarkupTemplateEngine;
import groovy.text.markup.TemplateConfiguration;
import org.hamcrest.Matchers;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.context.support.StaticApplicationContext;
import static org.junit.Assert.*;
/**
* Unit tests for
* {@link org.springframework.web.servlet.view.groovy.GroovyMarkupConfigurer}.
*
* @author Brian Clozel
*/
public class GroovyMarkupConfigurerTests {
private static final String RESOURCE_LOADER_PATH = "classpath:org/springframework/web/servlet/view/groovy/";
private StaticApplicationContext applicationContext;
private static final String TEMPLATE_PREFIX = "org/springframework/web/servlet/view/groovy/";
private GroovyMarkupConfigurer configurer;
@Before
public void setup() throws Exception {
this.applicationContext = new StaticApplicationContext();
this.configurer = new GroovyMarkupConfigurer();
this.configurer.setResourceLoaderPath(RESOURCE_LOADER_PATH);
}
@Test
public void defaultTemplateEngine() throws Exception {
this.configurer.setApplicationContext(this.applicationContext);
this.configurer.afterPropertiesSet();
TemplateEngine engine = this.configurer.getTemplateEngine();
assertNotNull(engine);
assertEquals(MarkupTemplateEngine.class, engine.getClass());
MarkupTemplateEngine markupEngine = (MarkupTemplateEngine) engine;
TemplateConfiguration configuration = markupEngine.getTemplateConfiguration();
assertNotNull(configuration);
assertEquals(GroovyMarkupConfigurer.class, configuration.getClass());
}
@Test
public void customTemplateEngine() throws Exception {
this.configurer.setApplicationContext(this.applicationContext);
this.configurer.setTemplateEngine(new TestTemplateEngine());
this.configurer.afterPropertiesSet();
TemplateEngine engine = this.configurer.getTemplateEngine();
assertNotNull(engine);
assertEquals(TestTemplateEngine.class, engine.getClass());
}
@Test
public void customTemplateConfiguration() throws Exception {
this.configurer.setApplicationContext(this.applicationContext);
this.configurer.setCacheTemplates(false);
this.configurer.afterPropertiesSet();
TemplateEngine engine = this.configurer.getTemplateEngine();
assertNotNull(engine);
assertEquals(MarkupTemplateEngine.class, engine.getClass());
MarkupTemplateEngine markupEngine = (MarkupTemplateEngine) engine;
TemplateConfiguration configuration = markupEngine.getTemplateConfiguration();
assertNotNull(configuration);
assertFalse(configuration.isCacheTemplates());
}
@Test
public void parentLoader() throws Exception {
this.configurer.setApplicationContext(this.applicationContext);
ClassLoader classLoader = this.configurer.createTemplateClassLoader();
assertNotNull(classLoader);
URLClassLoader urlClassLoader = (URLClassLoader) classLoader;
assertThat(Arrays.asList(urlClassLoader.getURLs()), Matchers.hasSize(1));
assertThat(Arrays.asList(urlClassLoader.getURLs()).get(0).toString(),
Matchers.endsWith("org/springframework/web/servlet/view/groovy/"));
this.configurer.setResourceLoaderPath(RESOURCE_LOADER_PATH + ",classpath:org/springframework/web/servlet/view/");
classLoader = this.configurer.createTemplateClassLoader();
assertNotNull(classLoader);
urlClassLoader = (URLClassLoader) classLoader;
assertThat(Arrays.asList(urlClassLoader.getURLs()), Matchers.hasSize(2));
assertThat(Arrays.asList(urlClassLoader.getURLs()).get(0).toString(),
Matchers.endsWith("org/springframework/web/servlet/view/groovy/"));
assertThat(Arrays.asList(urlClassLoader.getURLs()).get(1).toString(),
Matchers.endsWith("org/springframework/web/servlet/view/"));
}
private class TestTemplateEngine extends MarkupTemplateEngine {
public TestTemplateEngine() {
super(new TemplateConfiguration());
}
}
@Test
public void resolveSampleTemplate() throws Exception {
URL url = this.configurer.resolveTemplate(getClass().getClassLoader(), TEMPLATE_PREFIX + "test.tpl");
Assert.assertNotNull(url);
}
@Test
public void resolveI18nFullLocale() throws Exception {
LocaleContextHolder.setLocale(Locale.GERMANY);
URL url = this.configurer.resolveTemplate(getClass().getClassLoader(), TEMPLATE_PREFIX + "i18n.tpl");
Assert.assertNotNull(url);
Assert.assertThat(url.getPath(), Matchers.containsString("i18n_de_DE.tpl"));
}
@Test
public void resolveI18nPartialLocale() throws Exception {
LocaleContextHolder.setLocale(Locale.FRANCE);
URL url = this.configurer.resolveTemplate(getClass().getClassLoader(), TEMPLATE_PREFIX + "i18n.tpl");
Assert.assertNotNull(url);
Assert.assertThat(url.getPath(), Matchers.containsString("i18n_fr.tpl"));
}
@Test
public void resolveI18nDefaultLocale() throws Exception {
LocaleContextHolder.setLocale(Locale.US);
URL url = this.configurer.resolveTemplate(getClass().getClassLoader(), TEMPLATE_PREFIX + "i18n.tpl");
Assert.assertNotNull(url);
Assert.assertThat(url.getPath(), Matchers.containsString("i18n.tpl"));
}
@Test(expected = IOException.class)
public void failMissingTemplate() throws Exception {
LocaleContextHolder.setLocale(Locale.US);
this.configurer.resolveTemplate(getClass().getClassLoader(), TEMPLATE_PREFIX + "missing.tpl");
Assert.fail();
}
}