/**
* 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.
*/
package org.apache.s4.comm.tcp;
import java.util.concurrent.TimeUnit;
import junit.framework.Assert;
import org.apache.s4.base.Emitter;
import org.apache.s4.base.Listener;
import org.apache.s4.base.SerializerDeserializer;
import org.apache.s4.fixtures.CommTestUtils;
import org.apache.s4.fixtures.MockReceiverModule;
import org.apache.s4.fixtures.NoOpReceiverModule;
import org.apache.s4.fixtures.TCPTransportModule;
import org.apache.s4.fixtures.TestCommModule;
import org.apache.s4.fixtures.ZkBasedTest;
import org.junit.Test;
import com.google.common.io.Resources;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.util.Modules;
public class TCPBasicTest extends ZkBasedTest {
public TCPBasicTest() {
super(2);
}
@Test
public void testSingleMessage() throws Exception {
Injector injector1 = Guice.createInjector(Modules.override(
new TestCommModule(Resources.getResource("default.s4.comm.properties").openStream())).with(
new TCPTransportModule(), new NoOpReceiverModule()));
// this node picks partition 0
Emitter emitter = injector1.getInstance(Emitter.class);
Injector injector2 = Guice.createInjector(Modules.override(
new TestCommModule(Resources.getResource("default.s4.comm.properties").openStream())).with(
new TCPTransportModule(), new MockReceiverModule()));
// creating the listener will inject assignment (i.e. assign a partition) and receiver (delegatee for
// listener, here a mock which simply intercepts the message and notifies through a countdown latch)
injector2.getInstance(Listener.class);
// send to the other node
emitter.send(1, injector1.getInstance(SerializerDeserializer.class).serialize(CommTestUtils.MESSAGE));
// check receiver got the message
Assert.assertTrue(CommTestUtils.SIGNAL_MESSAGE_RECEIVED.await(5, TimeUnit.SECONDS));
}
}