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package org.apache.velocity.test.sql;
/*
* 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.RuntimeInstance;
import org.apache.velocity.runtime.resource.loader.DataSourceResourceLoader;
import org.apache.velocity.test.misc.TestLogger;
import org.apache.velocity.util.ExtProperties;
import javax.sql.DataSource;
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.StringWriter;
import java.io.Writer;
public class DataSourceResourceLoaderTestCase
extends BaseSQLTest
{
/**
* Comparison file extension.
*/
private static final String CMP_FILE_EXT = "cmp";
/**
* Comparison file extension.
*/
private static final String RESULT_FILE_EXT = "res";
/**
* Path to template file. This will get combined with the
* application directory to form an absolute path
*/
private final static String DATA_PATH = TEST_COMPARE_DIR + "/ds";
/**
* Results relative to the build directory.
*/
private static final String RESULTS_DIR = TEST_RESULT_DIR + "/ds";
/**
* Results relative to the build directory.
*/
private static final String COMPARE_DIR = TEST_COMPARE_DIR + "/ds/templates";
/* engine with VARCHAR templates data source */
private RuntimeInstance varcharTemplatesEngine = null;
/* engine with CLOB templates data source */
private RuntimeInstance clobTemplatesEngine = null;
public DataSourceResourceLoaderTestCase(final String name)
throws Exception
{
super(name, DATA_PATH);
}
public static Test suite()
{
return new TestSuite(DataSourceResourceLoaderTestCase.class);
}
@Override
public void setUp()
throws Exception
{
assureResultsDirectoryExists(RESULTS_DIR);
DataSource ds1 = new TestDataSource(TEST_JDBC_DRIVER_CLASS, TEST_JDBC_URI, TEST_JDBC_LOGIN, TEST_JDBC_PASSWORD);
DataSourceResourceLoader rl1 = new DataSourceResourceLoader();
rl1.setDataSource(ds1);
DataSource ds2 = new TestDataSource(TEST_JDBC_DRIVER_CLASS, TEST_JDBC_URI, TEST_JDBC_LOGIN, TEST_JDBC_PASSWORD);
DataSourceResourceLoader rl2 = new DataSourceResourceLoader();
rl2.setDataSource(ds2);
ExtProperties props = new ExtProperties();
props.addProperty( "resource.loader", "ds" );
props.setProperty( "ds.resource.loader.instance", rl1);
props.setProperty( "ds.resource.loader.resource.table", "velocity_template_varchar");
props.setProperty( "ds.resource.loader.resource.keycolumn", "vt_id");
props.setProperty( "ds.resource.loader.resource.templatecolumn", "vt_def");
props.setProperty( "ds.resource.loader.resource.timestampcolumn", "vt_timestamp");
props.setProperty(Velocity.RUNTIME_LOG_INSTANCE, new TestLogger(false, false));
varcharTemplatesEngine = new RuntimeInstance();
varcharTemplatesEngine.setConfiguration(props);
varcharTemplatesEngine.init();
ExtProperties props2 = (ExtProperties)props.clone();
props2.setProperty( "ds.resource.loader.instance", rl2);
props2.setProperty( "ds.resource.loader.resource.table", "velocity_template_clob");
clobTemplatesEngine = new RuntimeInstance();
clobTemplatesEngine.setConfiguration(props2);
clobTemplatesEngine.init();
}
/**
* Tests loading and rendering of a simple template. If that works, we are able to get data
* from the database.
*/
public void testSimpleTemplate()
throws Exception
{
Template t = executeTest("testTemplate1", varcharTemplatesEngine);
assertFalse("Timestamp is 0", 0 == t.getLastModified());
t = executeTest("testTemplate1", clobTemplatesEngine);
assertFalse("Timestamp is 0", 0 == t.getLastModified()); }
public void testUnicode(RuntimeInstance engine)
throws Exception
{
Template template = engine.getTemplate(UNICODE_TEMPLATE_NAME);
Writer writer = new StringWriter();
VelocityContext context = new VelocityContext();
template.merge(context, writer);
writer.flush();
writer.close();
String outputText = writer.toString();
if (!normalizeNewlines(UNICODE_TEMPLATE).equals(
normalizeNewlines( outputText ) ))
{
fail("Output incorrect for Template: " + UNICODE_TEMPLATE_NAME);
}
}
/**
* Now we have a more complex example. Run a very simple tool.
* from the database.
*/
public void testRenderTool()
throws Exception
{
Template t = executeTest("testTemplate2", varcharTemplatesEngine);
assertFalse("Timestamp is 0", 0 == t.getLastModified());
t = executeTest("testTemplate2", clobTemplatesEngine);
assertFalse("Timestamp is 0", 0 == t.getLastModified());
}
/**
* Will a NULL timestamp choke the loader?
*/
public void testNullTimestamp()
throws Exception
{
Template t = executeTest("testTemplate3", varcharTemplatesEngine);
assertEquals("Timestamp is not 0", 0, t.getLastModified());
t = executeTest("testTemplate3", clobTemplatesEngine);
assertEquals("Timestamp is not 0", 0, t.getLastModified()); }
/**
* Does it load the global Macros from the DB?
*/
public void testMacroInvocation()
throws Exception
{
Template t = executeTest("testTemplate4", varcharTemplatesEngine);
assertFalse("Timestamp is 0", 0 == t.getLastModified());
t = executeTest("testTemplate4", clobTemplatesEngine);
assertFalse("Timestamp is 0", 0 == t.getLastModified());
}
protected Template executeTest(final String templateName, RuntimeInstance engine)
throws Exception
{
Template template = engine.getTemplate(templateName);
FileOutputStream fos =
new FileOutputStream (
getFileName(RESULTS_DIR, templateName, RESULT_FILE_EXT));
Writer writer = new BufferedWriter(new OutputStreamWriter(fos));
VelocityContext context = new VelocityContext();
context.put("tool", new DSRLTCTool());
template.merge(context, writer);
writer.flush();
writer.close();
if (!isMatch(RESULTS_DIR, COMPARE_DIR, templateName,
RESULT_FILE_EXT, CMP_FILE_EXT))
{
fail("Output incorrect for Template: " + templateName);
}
return template;
}
public static final class DSRLTCTool
{
public int add(final int a, final int b)
{
return a + b;
}
public String getMessage()
{
return "And the result is:";
}
}
}
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