/*
* Copyright 2014 the original author or authors.
*
* 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 net.kuujo.vertigo.integration.network;
import static org.vertx.testtools.VertxAssert.assertEquals;
import static org.vertx.testtools.VertxAssert.assertTrue;
import static org.vertx.testtools.VertxAssert.testComplete;
import net.kuujo.vertigo.Vertigo;
import net.kuujo.vertigo.cluster.Cluster;
import net.kuujo.vertigo.java.ComponentVerticle;
import net.kuujo.vertigo.network.ActiveNetwork;
import net.kuujo.vertigo.network.NetworkConfig;
import org.junit.Test;
import org.vertx.java.core.AsyncResult;
import org.vertx.java.core.Handler;
import org.vertx.testtools.TestVerticle;
/**
* Active network tests.
*
* @author Jordan Halterman
*/
public class ActiveNetworkTest extends TestVerticle {
public static class TestActiveSender extends ComponentVerticle {
@Override
public void start() {
vertx.setPeriodic(1000, new Handler<Long>() {
@Override
public void handle(Long timerID) {
output.port("out").send("Hello world!");
}
});
}
}
public static class TestActiveReceiver extends ComponentVerticle {
@Override
public void start() {
input.port("in").messageHandler(new Handler<String>() {
@Override
public void handle(String message) {
assertEquals("Hello world!", message);
testComplete();
}
});
}
}
@Test
public void testActiveAddComponent() {
// Deploy a randomly named cluster.
final Vertigo vertigo = new Vertigo(this);
vertigo.deployCluster(new Handler<AsyncResult<Cluster>>() {
@Override
public void handle(AsyncResult<Cluster> result) {
assertTrue(result.succeeded());
// Create a randomly named partial network. This network will have only
// a single component and a connection that doesn't go anywhere.
NetworkConfig network = vertigo.createNetwork();
network.addVerticle("sender", TestActiveSender.class.getName());
network.createConnection("sender", "out", "receiver", "in");
// Deploy the partial network. Even though the network has a connection that
// doesn't actually go anywhere, the "sender" component will still thing the
// connection exists, and it will try to open the connection until a component
// that can listen on the connection joins the network.
result.result().deployNetwork(network, new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
// Add a "receiver" verticle to the network. The "receiver" verticle should
// automatically be connected to the existing connection once it's deployed.
ActiveNetwork network = result.result();
network.addVerticle("receiver", TestActiveReceiver.class.getName(), new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
assertTrue(result.succeeded());
}
}
});
}
}
});
}
});
}
@Test
public void testActiveRemoveComponent() {
// Deploy a randomly named cluster.
final Vertigo vertigo = new Vertigo(this);
vertigo.deployCluster(new Handler<AsyncResult<Cluster>>() {
@Override
public void handle(AsyncResult<Cluster> result) {
assertTrue(result.succeeded());
// Create a randomly named network. This network will be a complete
// network that we'll later alter once it's deployed.
NetworkConfig network = vertigo.createNetwork();
network.addVerticle("sender", TestSimpleSender.class.getName());
network.addVerticle("receiver", TestSimpleReceiver.class.getName());
network.createConnection("sender", "out", "receiver", "in");
result.result().deployNetwork(network, new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
// Remote a verticle from the network through the ActiveNetwork.
ActiveNetwork network = result.result();
network.removeVerticle("receiver", new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
assertTrue(result.succeeded());
testComplete();
}
}
});
}
}
});
}
});
}
@Test
public void testActiveCreateConnection() {
// Deploy a randomly named cluster.
final Vertigo vertigo = new Vertigo(this);
vertigo.deployCluster(new Handler<AsyncResult<Cluster>>() {
@Override
public void handle(AsyncResult<Cluster> result) {
assertTrue(result.succeeded());
// Create a randomly named partial network. This is a network that has
// two components but no connections.
NetworkConfig network = vertigo.createNetwork();
network.addVerticle("sender", TestActiveSender.class.getName());
network.addVerticle("receiver", TestActiveReceiver.class.getName());
// When the network is deployed, the components will be deployed as normal,
// but they won't be able to communicate with each other since there's no
// connection on the network. Sending messages to the "sender"s "out" port
// will simply result in the messages disappearing.
result.result().deployNetwork(network, new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
// Now create a connection on the network. Both the "sender" and the
// "receiver" component will be automatically updated with the new
// connection, and messages send to the "sender"s "out" port will
// be sent to the "receiver"s "in" port.
ActiveNetwork network = result.result();
network.createConnection("sender", "out", "receiver", "in", new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
assertTrue(result.succeeded());
}
}
});
}
}
});
}
});
}
@Test
public void testActiveDestroyConnection() {
// Deploy a randomly named cluster.
final Vertigo vertigo = new Vertigo(this);
vertigo.deployCluster(new Handler<AsyncResult<Cluster>>() {
@Override
public void handle(AsyncResult<Cluster> result) {
assertTrue(result.succeeded());
// Create a randomly named complete network.
NetworkConfig network = vertigo.createNetwork();
network.addVerticle("sender", TestSimpleSender.class.getName());
network.addVerticle("receiver", TestSimpleReceiver.class.getName());
network.createConnection("sender", "out", "receiver", "in");
result.result().deployNetwork(network, new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
// Destroy the connection between the "sender" and "receiver". Once
// the connection is destroyed the sender will no longer be able to
// send messages to the receiver and messages sent on its "out" port
// will simply be discarded.
ActiveNetwork network = result.result();
network.destroyConnection("sender", "out", "receiver", "in", new Handler<AsyncResult<ActiveNetwork>>() {
@Override
public void handle(AsyncResult<ActiveNetwork> result) {
if (result.failed()) {
assertTrue(result.cause().getMessage(), result.succeeded());
} else {
assertTrue(result.succeeded());
testComplete();
}
}
});
}
}
});
}
});
}
public static class TestSimpleSender extends ComponentVerticle {
@Override
public void start() {
output.port("out").send("Hello world!");
}
}
public static class TestSimpleReceiver extends ComponentVerticle {
@Override
public void start() {
input.port("in").messageHandler(new Handler<String>() {
@Override
public void handle(String message) {
assertEquals("Hello world!", message);
}
});
}
}
}