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/*
* BioJava development code
*
* This code may be freely distributed and modified under the
* terms of the GNU Lesser General Public Licence. This should
* be distributed with the code. If you do not have a copy,
* see:
*
* http://www.gnu.org/copyleft/lesser.html
*
* Copyright for this code is held jointly by the individual
* authors. These should be listed in @author doc comments.
*
* For more information on the BioJava project and its aims,
* or to join the biojava-l mailing list, visit the home page
* at:
*
* http://www.biojava.org/
*
*/
/*
* ExternalProcessTest.java
*/
package org.biojava.utils.process;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Properties;
import junit.extensions.RepeatedTest;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Test class for {@link org.biojava.utils.process.ExternalProcess}.
* @author <a href="mailto:Martin.Szugat@GMX.net">Martin Szugat</a>
* @version $Revision: 4023 $
*/
public class ExternalProcessTest extends TestCase {
/**
* Input for the more command.
*/
private static final String INPUT_MORE = "test";
/**
* Object to execute external processes.
*/
private static ExternalProcess ep = null;
/**
* OS-specific string for the more command.
*/
private static String commandMore = null;
static {
if (System.getProperty("os.name").toLowerCase().startsWith("windows")) {
commandMore = "cmd /C more";
} else {
commandMore = "cat";
}
ep = new ExternalProcess();
}
/**
* Main entry point. Runs a repeated test to stress the thread allocation
* and freeing of the <code>ExternalProcess</code> class.
* @param args command line arguments.
*/
public static void main(String[] args) {
TestSuite suite = new TestSuite();
suite.addTest(new TestSuite(ExternalProcessTest.class));
junit.textui.TestRunner.run(new RepeatedTest(suite, 5000));
}
/**
* Initializes the test.
* @param name test name
*/
public ExternalProcessTest(String name) {
super(name);
}
/**
* Test the input/output handling, using input/output streams and not
* readers/writers.
* @throws IOException if execution fails.
* @throws InterruptedException if execution fails.
*/
public void testExecuteStreams() throws IOException,
InterruptedException {
ByteArrayInputStream input = new ByteArrayInputStream(
INPUT_MORE.getBytes());
ByteArrayOutputStream output = new ByteArrayOutputStream();
ByteArrayOutputStream error = new ByteArrayOutputStream();
ep.setCommands(commandMore);
ep.setInputHandler(new SimpleInputHandler(input, "in"));
ep.setOutputHandler(new SimpleOutputHandler(output, "out"));
ep.setErrorHandler(new SimpleOutputHandler(error, "err"));
int exitCode = ep.execute();
assertTrue(exitCode == 0);
assertEquals(INPUT_MORE, output.toString().trim());
assertEquals("", error.toString());
}
/**
* Test the input/output handling.
* @throws IOException if execution fails.
* @throws InterruptedException if execution fails.
*/
public void testExecuteMore() throws IOException,
InterruptedException {
StringWriter outputString = new StringWriter();
StringWriter errorString = new StringWriter();
StringReader inputString = new StringReader(INPUT_MORE);
ep.setCommands(commandMore);
ep.setOutputHandler(new WriterOutputHandler(outputString, "out"));
ep.setErrorHandler(new WriterOutputHandler(errorString, "err"));
ep.setInputHandler(new ReaderInputHandler(inputString, "in"));
int exitCode = ep.execute();
assertTrue(exitCode == 0);
assertEquals(INPUT_MORE, outputString.toString().trim());
assertEquals("", errorString.toString());
}
/**
* Tests the static execute method.
* @throws Exception if execution fails.
*/
public void testStaticExecute() throws Exception {
StringWriter outputString = new StringWriter();
StringWriter errorString = new StringWriter();
int exitCode = ExternalProcess.execute(commandMore, INPUT_MORE,
outputString, errorString);
assertTrue(exitCode == 0);
assertEquals(INPUT_MORE, outputString.toString().trim());
assertEquals("", errorString.toString());
}
/**
* Tests the {@link ExternalProcess#resolveCommands(String, Properties)}
* method.
*/
public void testResolveCommands() {
Properties props = new Properties();
props.put("TEST", "test");
String commands = "do %TEST% it";
commands = ExternalProcess.resolveCommands(commands, props);
assertEquals("do test it", commands);
}
/**
* Tests the {@link ExternalProcess#joinCommands(Object[])} method.
*/
public void testJoinCommands() {
String[] commandList = new String[] {"do", "test", "it"};
String commands = ExternalProcess.joinCommands(commandList);
assertEquals("do test it", commands);
}
}
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