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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.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.RuntimeConstants;
import org.apache.velocity.runtime.RuntimeSingleton;
import org.apache.velocity.runtime.resource.loader.FileResourceLoader;
import org.apache.velocity.runtime.resource.loader.ResourceLoader;
import org.apache.velocity.test.misc.TestLogger;
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
/**
* Test that an instance of a ResourceLoader can be successfully passed in.
*
* @author <a href="mailto:wglass@apache.org">Will Glass-Husain</a>
* @version $Id$
*/
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";
private TestLogger logger = new TestLogger();
/**
* Default constructor.
*/
public ResourceLoaderInstanceTestCase(String name)
{
super(name);
}
@Override
public void setUp()
throws Exception
{
ResourceLoader rl = new FileResourceLoader();
// pass in an instance to Velocity
Velocity.reset();
Velocity.setProperty( "resource.loader", "testrl" );
Velocity.setProperty( "testrl.resource.loader.instance", rl );
Velocity.setProperty( "testrl.resource.loader.path", FILE_RESOURCE_LOADER_PATH );
// actual instance of logger
logger.on();
Velocity.setProperty(RuntimeConstants.RUNTIME_LOG_INSTANCE, logger);
Velocity.setProperty("runtime.log.logsystem.test.level", "debug");
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) )
{
String result = getFileContents(RESULT_DIR, "testfile", RESULT_FILE_EXT);
String compare = getFileContents(COMPARE_DIR, "testfile", CMP_FILE_EXT);
String msg = "Processed template did not match expected output\n"+
"-----Result-----\n"+ result +
"----Expected----\n"+ compare +
"----------------";
fail(msg);
}
}
}
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