/*
* Copyright 2010 JBoss Inc
*
* 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 org.drools.guvnor.server;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.List;
import org.drools.guvnor.client.rpc.PushResponse;
import org.junit.Ignore;
import org.junit.Test;
public class BackchannelTest {
@Test
@Ignore
public void testPushAll() throws Exception {
final Backchannel backchannel = Backchannel.getInstance();
final PushResponse[] resp = new PushResponse[2];
Thread t = new Thread( new Runnable() {
public void run() {
try {
List<PushResponse> r = backchannel.await( "mic" );
assertEquals( 1,
r.size() );
resp[0] = r.get( 0 );
} catch ( InterruptedException e ) {
fail( "should not interrupt" );
}
}
} );
Thread t2 = new Thread( new Runnable() {
public void run() {
try {
List<PushResponse> r = backchannel.await( "jazz" );
assertEquals( 1,
r.size() );
resp[1] = r.get( 0 );
} catch ( InterruptedException e ) {
fail( "should not interrupt" );
}
}
} );
t.start();
t2.start();
Thread.sleep( 200 );
backchannel.publish( new PushResponse( "hey",
"ho" ) );
//t.join();
//t2.join();
Thread.sleep( 500 );
assertNotNull( resp[0] );
assertNotNull( resp[1] );
assertEquals( "hey",
resp[0].messageType );
assertEquals( "hey",
resp[1].messageType );
}
@Test
@Ignore
public void testSimple() throws Exception {
final Backchannel backchannel = Backchannel.getInstance();
backchannel.push( "mici",
new PushResponse( "m",
"b" ) );
backchannel.push( "davos",
new PushResponse( "d",
"b" ) );
List<PushResponse> r = backchannel.await( "mici" );
assertEquals( 1,
r.size() );
assertEquals( "m",
r.get( 0 ).messageType );
r = backchannel.await( "davos" );
assertEquals( 1,
r.size() );
assertEquals( "d",
r.get( 0 ).messageType );
final boolean[] check = new boolean[1];
Thread t = new Thread( new Runnable() {
public void run() {
try {
@SuppressWarnings("unused")
List<PushResponse> list = backchannel.await( "mici" );
/*
for (PushResponse resp: list) {
System.err.println(resp.messageType + "," + resp.message);
}
*/
check[0] = true;
} catch ( InterruptedException e ) {
fail( "Should not interrupt" );
}
}
} );
t.setDaemon( true );
t.start();
Thread.sleep( 400 );
assertFalse( check[0] );
backchannel.push( "davos",
new PushResponse( "x",
"y" ) );
//bc.push("mic", new PushResponse("Q", "W"));
t.join();
check[0] = false;
backchannel.push( "mici",
new PushResponse( "R",
"T" ) );
backchannel.push( "mici",
new PushResponse( "Q",
"A" ) );
final List<List<PushResponse>> container = new ArrayList<List<PushResponse>>();
t = new Thread( new Runnable() {
public void run() {
try {
container.add( backchannel.await( "mici" ) );
check[0] = true;
} catch ( InterruptedException e ) {
fail( "Should not interrupt" );
}
}
} );
t.setDaemon( true );
t.start();
t.join();
assertTrue( check[0] );
assertEquals( 1,
container.size() );
List<PushResponse> list = container.get( 0 );
if ( list.size() > 2 ) {
for ( PushResponse resp : list ) {
System.err.println( resp.messageType + "," + resp.message );
}
}
assertEquals( 2,
list.size() );
}
@Test
@Ignore
public void testManyConcurrent() throws Exception {
final Backchannel backchannel = Backchannel.getInstance();
for ( int i = 0; i < 1000; i++ ) {
spinup( backchannel,
i );
}
backchannel.push( "mc",
new PushResponse( "yo",
"yo" ) );
backchannel.push( "mc",
new PushResponse( "yo",
"yo" ) );
//for (int i=0; i< 1000; i++) {
List<PushResponse> res = backchannel.await( "mc" );
assertEquals( 2,
res.size() );
res = backchannel.await( "mc" );
assertEquals( 0,
res.size() );
//assertNull(res); //as other concurrent things will be unlatching...
Thread.sleep( 20 );
for ( int i = 0; i < 20000; i++ ) {
backchannel.push( "mc",
new PushResponse( "yo",
"yo" ) );
backchannel.push( "mc",
new PushResponse( "yo",
"yo" ) );
res = backchannel.await( "mc" );
assertEquals( 2,
res.size() );
}
}
private void spinup(final Backchannel bc,
final int i) {
Thread t = new Thread( new Runnable() {
public void run() {
try {
Thread.sleep( i / 2 );
} catch ( InterruptedException e ) {
fail( "should not interrupt" );
}
bc.push( i + "user",
new PushResponse( i + "type",
"message" ) );
}
} );
t.setDaemon( true );
t.start();
}
}