/**
* Copyright 2012-2013 LMAX Ltd.
*
* 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.
*/
package com.lmax.ant.paralleljunit.remote.process;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import javax.net.SocketFactory;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.ExitException;
import org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner;
import com.lmax.ant.paralleljunit.remote.TestResult;
import com.lmax.ant.paralleljunit.remote.TestSpecification;
import com.lmax.ant.paralleljunit.util.net.SocketConnection;
import com.lmax.ant.paralleljunit.util.net.SocketConnectionFactory;
public class RemoteTestRunner
{
private static final SecurityManager NO_EXIT_SECURITY_MANAGER = new NoExitSecurityManager();
private final RemoteTestRunnerParams paramsRemote;
private final SocketConnectionFactory connectionFactory;
public RemoteTestRunner(final RemoteTestRunnerParams paramsRemote, final SocketConnectionFactory connectionFactory)
{
this.paramsRemote = paramsRemote;
this.connectionFactory = connectionFactory;
}
public static void main(final String... args)
{
final ArgsParser parser = new ArgsParser();
final RemoteTestRunnerParams paramsRemote = parser.parseMainArgs(args);
final SocketConnectionFactory connectionFactory = new SocketConnectionFactory(SocketFactory.getDefault());
final RemoteTestRunner testRunner = new RemoteTestRunner(paramsRemote, connectionFactory);
testRunner.executeTests();
}
private void executeTests()
{
try
{
final SocketConnection socketConnection = connectionFactory.createSocketConnection(paramsRemote.getServerPort());
final Collection<?> formatters = getTestRunnerFormatters();
RemoteTestRunnerCommand command = null;
while ((command = socketConnection.readObject()) != null)
{
switch (command)
{
case EXIT:
socketConnection.close();
System.exit(0);
break;
case RUN_TEST:
formatters.clear();
socketConnection.writeObject(runTest(socketConnection.<TestSpecification>readObject(), paramsRemote));
break;
default:
throw new RuntimeException("All hell broke loose");
}
}
}
catch (final IOException e)
{
e.printStackTrace();
}
catch (final ClassNotFoundException e)
{
e.printStackTrace();
}
}
private Collection<?> getTestRunnerFormatters()
{
try
{
final Field fromCmdLine = JUnitTestRunner.class.getDeclaredField("fromCmdLine");
fromCmdLine.setAccessible(true);
return (Collection<?>)fromCmdLine.get(null);
}
catch (final NoSuchFieldException e)
{
throw new BuildException("Error Tinkering with formatters.", e);
}
catch (final IllegalAccessException e)
{
throw new BuildException("Error Tinkering with formatters.", e);
}
}
private TestResult runTest(final TestSpecification testSpec, final RemoteTestRunnerParams paramsRemote)
{
final List<String> jUnitRunnerArgs = new LinkedList<String>();
jUnitRunnerArgs.addAll(testSpec.toArgs());
jUnitRunnerArgs.addAll(paramsRemote.getTestRunnerArguments());
final SecurityManager standardSecurityManager = System.getSecurityManager();
System.setSecurityManager(NO_EXIT_SECURITY_MANAGER);
try
{
JUnitTestRunner.main(jUnitRunnerArgs.toArray(new String[jUnitRunnerArgs.size()]));
return TestResult.SUCCESS;
}
catch (final IOException e)
{
throw new BuildException("Error invoking test runner ", e);
}
catch (final ExitException e)
{
return TestResult.fromExitCode(e.getStatus());
}
finally
{
System.setSecurityManager(standardSecurityManager);
}
}
}