package org.apache.velocity.test;
/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* 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.
*/
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.runtime.RuntimeSingleton;
import org.apache.velocity.runtime.resource.loader.FileResourceLoader;
import org.apache.velocity.runtime.resource.loader.ResourceLoader;
/**
* Test that an instance of a ResourceLoader can be successfully passed in.
*
* @author <a href="mailto:wglass@apache.org">Will Glass-Husain</a>
* @version $Id: ResourceLoaderInstanceTestCase.java 307403 2005-10-09 11:34:52Z henning $
*/
public class ResourceLoaderInstanceTestCase extends BaseTestCase
{
/**
* VTL file extension.
*/
private static final String TMPL_FILE_EXT = "vm";
/**
* Comparison file extension.
*/
private static final String CMP_FILE_EXT = "cmp";
/**
* Comparison file extension.
*/
private static final String RESULT_FILE_EXT = "res";
/**
* Path for templates. This property will override the
* value in the default velocity properties file.
*/
private final static String FILE_RESOURCE_LOADER_PATH = TEST_COMPARE_DIR + "/resourceinstance";
/**
* Results relative to the build directory.
*/
private static final String RESULTS_DIR = TEST_RESULT_DIR + "/resourceinstance";
/**
* Results relative to the build directory.
*/
private static final String COMPARE_DIR = TEST_COMPARE_DIR + "/resourceinstance/compare";
/**
* Default constructor.
*/
public ResourceLoaderInstanceTestCase(String name)
{
super(name);
}
public void setUp()
throws Exception
{
ResourceLoader rl = new FileResourceLoader();
// pass in an instance to Velocity
Velocity.addProperty( "resource.loader", "testrl" );
Velocity.setProperty( "testrl.resource.loader.instance", rl );
Velocity.setProperty( "testrl.resource.loader.path", FILE_RESOURCE_LOADER_PATH );
Velocity.init();
}
public static Test suite ()
{
return new TestSuite(ResourceLoaderInstanceTestCase.class);
}
/**
* Runs the test.
*/
public void testResourceLoaderInstance ()
throws Exception
{
assureResultsDirectoryExists(RESULTS_DIR);
Template template = RuntimeSingleton.getTemplate(
getFileName(null, "testfile", TMPL_FILE_EXT));
FileOutputStream fos =
new FileOutputStream (
getFileName(RESULTS_DIR, "testfile", RESULT_FILE_EXT));
Writer writer = new BufferedWriter(new OutputStreamWriter(fos));
/*
* put the Vector into the context, and merge both
*/
VelocityContext context = new VelocityContext();
template.merge(context, writer);
writer.flush();
writer.close();
if ( !isMatch(RESULTS_DIR, COMPARE_DIR, "testfile",
RESULT_FILE_EXT, CMP_FILE_EXT) )
{
fail("Output incorrect.");
}
}
}