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ForkChannelTest.java
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ForkChannelTest.java
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package org.apache.maven.surefire.extensions;
/*
* 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 org.apache.maven.plugin.surefire.booterclient.MockReporter;
import org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream;
import org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream.TestLessInputStreamBuilder;
import org.apache.maven.plugin.surefire.extensions.SurefireForkNodeFactory;
import org.apache.maven.plugin.surefire.log.api.ConsoleLogger;
import org.apache.maven.surefire.api.event.ControlByeEvent;
import org.apache.maven.surefire.api.event.Event;
import org.apache.maven.surefire.api.fork.ForkNodeArguments;
import org.apache.maven.surefire.extensions.util.CountdownCloseable;
import org.junit.Test;
import javax.annotation.Nonnull;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.URI;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import java.util.Queue;
import java.util.UUID;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.fest.assertions.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
*
*/
public class ForkChannelTest
{
private static final long TESTCASE_TIMEOUT = 30_000L;
private final AtomicBoolean hasError = new AtomicBoolean();
@Test( timeout = TESTCASE_TIMEOUT )
public void shouldRequestReplyMessagesViaTCP() throws Exception
{
final MockReporter reporter = new MockReporter();
final String sessionId = UUID.randomUUID().toString();
ForkNodeArguments forkNodeArguments = new ForkNodeArguments()
{
@Override
public File getEventStreamBinaryFile()
{
return null;
}
@Override
public File getCommandStreamBinaryFile()
{
return null;
}
@Nonnull
@Override
public String getSessionId()
{
return sessionId;
}
@Override
public int getForkChannelId()
{
return 1;
}
@Override
@Nonnull
public File dumpStreamText( @Nonnull String text )
{
return new File( "" );
}
@Nonnull
@Override
public File dumpStreamException( @Nonnull Throwable t )
{
return new File( "" );
}
@Override
public void logWarningAtEnd( @Nonnull String text )
{
}
@Override
@Nonnull
public ConsoleLogger getConsoleLogger()
{
return reporter;
}
@Nonnull
@Override
public Object getConsoleLock()
{
return reporter;
}
};
ForkNodeFactory factory = new SurefireForkNodeFactory();
try ( ForkChannel channel = factory.createForkChannel( forkNodeArguments ) )
{
assertThat( channel.getArguments().getForkChannelId() )
.isEqualTo( 1 );
assertThat( channel.getCountdownCloseablePermits() )
.isEqualTo( 3 );
String localHost = InetAddress.getLoopbackAddress().getHostAddress();
assertThat( channel.getForkNodeConnectionString() )
.startsWith( "tcp://" + localHost + ":" )
.isNotEqualTo( "tcp://" + localHost + ":" )
.endsWith( "?sessionId=" + sessionId );
URI uri = new URI( channel.getForkNodeConnectionString() );
assertThat( uri.getPort() )
.isPositive();
final TestLessInputStreamBuilder builder = new TestLessInputStreamBuilder();
TestLessInputStream commandReader = builder.build();
final CountDownLatch isCloseableCalled = new CountDownLatch( 1 );
Closeable closeable = new Closeable()
{
@Override
public void close()
{
isCloseableCalled.countDown();
}
};
CountdownCloseable cc = new CountdownCloseable( closeable, 2 );
Consumer consumer = new Consumer();
Client client = new Client( uri.getPort(), sessionId );
client.start();
channel.tryConnectToClient();
channel.bindCommandReader( commandReader, null );
ReadableByteChannel stdOut = mock( ReadableByteChannel.class );
when( stdOut.read( any( ByteBuffer.class ) ) ).thenReturn( -1 );
channel.bindEventHandler( consumer, cc, stdOut );
commandReader.noop();
client.join( TESTCASE_TIMEOUT );
assertThat( hasError.get() )
.isFalse();
assertThat( isCloseableCalled.await( TESTCASE_TIMEOUT, MILLISECONDS ) )
.isTrue();
assertThat( reporter.getEvents() )
.describedAs( "The decoder captured the list of stream errors: " + reporter.getData().toString() )
.isEmpty();
assertThat( consumer.lines )
.hasSize( 1 );
assertThat( consumer.lines.element() )
.isInstanceOf( ControlByeEvent.class );
}
}
private static class Consumer implements EventHandler<Event>
{
final Queue<Event> lines = new ConcurrentLinkedQueue<>();
@Override
public void handleEvent( @Nonnull Event s )
{
lines.add( s );
}
}
private final class Client extends Thread
{
private final int port;
private final String sessionId;
private Client( int port, String sessionId )
{
this.port = port;
this.sessionId = sessionId;
}
@Override
public void run()
{
try ( Socket socket = new Socket( InetAddress.getLoopbackAddress().getHostAddress(), port ) )
{
socket.getOutputStream().write( sessionId.getBytes( US_ASCII ) );
byte[] data = new byte[128];
int readLength = socket.getInputStream().read( data );
String token = new String( data, 0, readLength, US_ASCII );
assertThat( token ).isEqualTo( ":maven-surefire-command:\u0004:noop:" );
socket.getOutputStream().write( ":maven-surefire-event:\u0003:bye:".getBytes( US_ASCII ) );
}
catch ( IOException e )
{
hasError.set( true );
e.printStackTrace();
throw new IllegalStateException( e );
}
catch ( RuntimeException e )
{
hasError.set( true );
e.printStackTrace();
throw e;
}
}
}
}