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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.RuntimeSingleton;
import org.apache.velocity.test.misc.TestLogger;
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Vector;
/**
* Tests if we are context safe : can we switch objects in the context
* and re-merge the template safely.
*
* NOTE:
* This class should not extend RuntimeTestCase because this test
* is run from the VelocityTestSuite which in effect a runtime
* test suite and the test suite initializes the Runtime. Extending
* RuntimeTestCase causes the Runtime to be initialized twice.
*
* @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
* @version $Id$
*/
public class ContextSafetyTestCase extends BaseTestCase implements TemplateTestBase
{
public ContextSafetyTestCase(String name)
{
super(name);
}
@Override
public void setUp()
throws Exception
{
Velocity.reset();
Velocity.setProperty(
Velocity.FILE_RESOURCE_LOADER_PATH, FILE_RESOURCE_LOADER_PATH);
Velocity.setProperty(
Velocity.RUNTIME_LOG_INSTANCE, new TestLogger());
Velocity.init();
}
public static Test suite()
{
return new TestSuite(ContextSafetyTestCase.class);
}
/**
* Runs the test.
*/
public void testContextSafety ()
throws Exception
{
/*
* make a Vector and String array because
* they are treated differently in Foreach()
*/
Vector<String> v = new Vector();
v.addElement("vector hello 1");
v.addElement( "vector hello 2");
v.addElement( "vector hello 3");
String strArray[] = new String[3];
strArray[0] = "array hello 1";
strArray[1] = "array hello 2";
strArray[2] = "array hello 3";
VelocityContext context = new VelocityContext();
assureResultsDirectoryExists(RESULT_DIR);
/*
* get the template and the output
*/
Template template = RuntimeSingleton.getTemplate(
getFileName(null, "context_safety", TMPL_FILE_EXT));
FileOutputStream fos1 =
new FileOutputStream (
getFileName(RESULT_DIR, "context_safety1", RESULT_FILE_EXT));
FileOutputStream fos2 =
new FileOutputStream (
getFileName(RESULT_DIR, "context_safety2", RESULT_FILE_EXT));
Writer writer1 = new BufferedWriter(new OutputStreamWriter(fos1));
Writer writer2 = new BufferedWriter(new OutputStreamWriter(fos2));
/*
* put the Vector into the context, and merge
*/
context.put("vector", v);
template.merge(context, writer1);
writer1.flush();
writer1.close();
/*
* now put the string array into the context, and merge
*/
context.put("vector", strArray);
template.merge(context, writer2);
writer2.flush();
writer2.close();
if (!isMatch(RESULT_DIR,COMPARE_DIR,"context_safety1",
RESULT_FILE_EXT,CMP_FILE_EXT) ||
!isMatch(RESULT_DIR,COMPARE_DIR,"context_safety2",
RESULT_FILE_EXT,CMP_FILE_EXT))
{
fail("Output incorrect.");
}
}
}
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