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package org.apache.velocity.test;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import junit.framework.TestCase;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.runtime.RuntimeSingleton;
import org.apache.velocity.runtime.resource.loader.StringResourceLoader;
import org.apache.velocity.runtime.resource.util.StringResourceRepository;
import org.apache.velocity.runtime.resource.util.StringResourceRepositoryImpl;
import org.apache.velocity.test.misc.TestLogger;
import java.io.StringWriter;
/**
* Tests ability to have multiple repositories in the same app.
*
* @author Nathan Bubna
* @version $Id: StringResourceLoaderRepositoryTestCase.java 479058 2006-11-25 00:26:32Z henning $
*/
public class StringResourceLoaderRepositoryTestCase extends TestCase
{
private VelocityContext context;
public StringResourceLoaderRepositoryTestCase(String name)
{
super(name);
}
@Override
public void setUp() throws Exception
{
Velocity.reset();
Velocity.setProperty(Velocity.RESOURCE_LOADERS, "string");
Velocity.addProperty("string.resource.loader.class", StringResourceLoader.class.getName());
Velocity.addProperty("string.resource.loader.modificationCheckInterval", "1");
Velocity.setProperty(Velocity.RUNTIME_LOG_INSTANCE, new TestLogger());
Velocity.init();
StringResourceRepository repo = getRepo(null, null);
repo.putStringResource("foo", "This is $foo");
repo.putStringResource("bar", "This is $bar");
context = new VelocityContext();
context.put("foo", "wonderful!");
context.put("bar", "horrible!");
context.put("woogie", "a woogie");
}
protected VelocityEngine newStringEngine(String repoName, boolean isStatic)
{
VelocityEngine engine = new VelocityEngine();
TestLogger logger = new TestLogger();
engine.setProperty(Velocity.RESOURCE_LOADERS, "string");
engine.addProperty("string.resource.loader.class", StringResourceLoader.class.getName());
if (repoName != null)
{
engine.addProperty("string.resource.loader.repository.name", repoName);
}
if (!isStatic)
{
engine.addProperty("string.resource.loader.repository.static", "false");
}
engine.addProperty("string.resource.loader.modificationCheckInterval", "1");
engine.setProperty(Velocity.RUNTIME_LOG_INSTANCE, logger);
return engine;
}
protected StringResourceRepository getRepo(String name, VelocityEngine engine)
{
if (engine == null)
{
if (name == null)
{
return StringResourceLoader.getRepository();
}
else
{
return StringResourceLoader.getRepository(name);
}
}
else
{
if (name == null)
{
return (StringResourceRepository)engine.getApplicationAttribute(StringResourceLoader.REPOSITORY_NAME_DEFAULT);
}
else
{
return (StringResourceRepository)engine.getApplicationAttribute(name);
}
}
}
protected String render(Template template) throws Exception
{
StringWriter out = new StringWriter();
template.merge(this.context, out);
return out.toString();
}
public void testSharedRepo() throws Exception
{
// this engine's string resource loader should share a repository
// with the singleton's string resource loader
VelocityEngine engine = newStringEngine(null, true);
// get and merge the same template from both runtimes with the same context
String engineOut = render(engine.getTemplate("foo"));
String singletonOut = render(RuntimeSingleton.getTemplate("foo"));
// make sure they're equal
assertEquals(engineOut, singletonOut);
}
public void testAlternateStaticRepo() throws Exception
{
VelocityEngine engine = newStringEngine("alternate.repo", true);
// should be null be for init
StringResourceRepository repo = getRepo("alternate.repo", null);
assertNull(repo);
engine.init();
// and not null after init
repo = getRepo("alternate.repo", null);
assertNotNull(repo);
repo.putStringResource("foo", "This is NOT $foo");
// get and merge template with the same name from both runtimes with the same context
String engineOut = render(engine.getTemplate("foo"));
String singletonOut = render(RuntimeSingleton.getTemplate("foo"));
// make sure they're NOT equal
assertFalse(engineOut.equals(singletonOut));
}
public void testPreCreatedStaticRepo() throws Exception
{
VelocityEngine engine = newStringEngine("my.repo", true);
MyRepo repo = new MyRepo();
repo.put("bar", "This is NOT $bar");
StringResourceLoader.setRepository("my.repo", repo);
String out = render(engine.getTemplate("bar"));
assertEquals(out, "This is NOT horrible!");
}
public void testAppRepo() throws Exception
{
VelocityEngine engine = newStringEngine(null, false);
engine.init();
StringResourceRepository repo = getRepo(null, engine);
assertNotNull(repo);
repo.putStringResource("woogie", "What is $woogie?");
String out = render(engine.getTemplate("woogie"));
assertEquals(out, "What is a woogie?");
}
public void testAlternateAppRepo() throws Exception
{
VelocityEngine engine = newStringEngine("alternate.app.repo", false);
engine.init();
StringResourceRepository repo = getRepo("alternate.app.repo", engine);
assertNotNull(repo);
repo.putStringResource("you/foo.vm", "You look $foo");
String out = render(engine.getTemplate("you/foo.vm"));
assertEquals(out, "You look wonderful!");
}
public void testPreCreatedAppRepo() throws Exception
{
VelocityEngine engine = newStringEngine("my.app.repo", false);
MyRepo repo = new MyRepo();
repo.put("you/bar.vm", "You look $bar");
engine.setApplicationAttribute("my.app.repo", repo);
String out = render(engine.getTemplate("you/bar.vm"));
assertEquals(out, "You look horrible!");
}
public static class MyRepo extends StringResourceRepositoryImpl
{
public void put(String name, String template)
{
putStringResource(name, template);
}
}
}
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