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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.shared;
import com.yahoo.cloud.config.SlobroksConfig;
import com.yahoo.jrt.ListenFailedException;
import com.yahoo.jrt.slobrok.server.Slobrok;
import com.yahoo.messagebus.*;
import com.yahoo.messagebus.jdisc.test.MessageQueue;
import com.yahoo.messagebus.jdisc.test.RemoteClient;
import com.yahoo.messagebus.jdisc.test.RemoteServer;
import com.yahoo.messagebus.jdisc.test.ReplyQueue;
import com.yahoo.messagebus.jdisc.test.TestUtils;
import com.yahoo.messagebus.network.local.LocalNetwork;
import com.yahoo.messagebus.network.local.LocalWire;
import com.yahoo.messagebus.network.rpc.RPCNetworkParams;
import com.yahoo.messagebus.routing.Route;
import com.yahoo.messagebus.test.SimpleMessage;
import com.yahoo.messagebus.test.SimpleProtocol;
import com.yahoo.messagebus.test.SimpleReply;
import org.junit.Test;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.*;
/**
* @author Simon Thoresen Hult
*/
public class SharedIntermediateSessionTestCase {
@Test
public void requireThatMessageHandlerCanBeAccessed() {
SharedIntermediateSession session = newIntermediateSession(false);
assertNull(session.getMessageHandler());
MessageQueue handler = new MessageQueue();
session.setMessageHandler(handler);
assertSame(handler, session.getMessageHandler());
}
@Test
public void requireThatMessageHandlerCanOnlyBeSetOnce() {
SharedIntermediateSession session = newIntermediateSession(false);
session.setMessageHandler(new MessageQueue());
try {
session.setMessageHandler(new MessageQueue());
fail();
} catch (IllegalStateException e) {
assertEquals("Message handler already registered.", e.getMessage());
}
session.release();
}
@Test
public void requireThatMessageHandlerIsCalled() throws InterruptedException {
SharedIntermediateSession session = newIntermediateSession(false);
MessageQueue queue = new MessageQueue();
session.setMessageHandler(queue);
session.handleMessage(new SimpleMessage("foo"));
assertNotNull(queue.awaitMessage(60, TimeUnit.SECONDS));
session.release();
}
@Test
public void requireThatSessionRepliesIfMessageHandlerIsNull() throws InterruptedException {
SharedIntermediateSession session = newIntermediateSession(false);
Message msg = new SimpleMessage("foo");
ReplyQueue queue = new ReplyQueue();
msg.pushHandler(queue);
session.handleMessage(msg);
Reply reply = queue.awaitReply(60, TimeUnit.SECONDS);
assertNotNull(reply);
assertEquals(1, reply.getNumErrors());
assertEquals(ErrorCode.SESSION_BUSY, reply.getError(0).getCode());
session.release();
}
@Test
public void requireThatReplyHandlerCanNotBeSet() throws ListenFailedException {
Slobrok slobrok = new Slobrok();
try {
newIntermediateSession(TestUtils.configFor(slobrok),
new IntermediateSessionParams().setReplyHandler(new ReplyQueue()),
false);
fail();
} catch (IllegalArgumentException e) {
assertEquals("Reply handler must be null.", e.getMessage());
}
}
@Test
public void requireThatSessionIsClosedOnDestroy() {
SharedIntermediateSession session = newIntermediateSession(false);
session.release();
assertFalse("IntermediateSession not destroyed by release().", session.session().destroy());
}
@Test
public void requireThatMbusIsReleasedOnDestroy() {
try {
new Slobrok();
} catch (ListenFailedException e) {
fail();
}
SharedMessageBus mbus = new SharedMessageBus(new MessageBus(new LocalNetwork(new LocalWire()), new MessageBusParams()));
SharedIntermediateSession session = mbus.newIntermediateSession(new IntermediateSessionParams());
mbus.release();
session.release();
assertFalse("MessageBus not destroyed by release().", mbus.messageBus().destroy());
}
@Test
public void requireThatSessionCanSendMessage() throws InterruptedException {
RemoteServer server = RemoteServer.newInstanceWithInternSlobrok();
SharedIntermediateSession session = newIntermediateSession(server.slobroksConfig(),
new IntermediateSessionParams(),
true);
ReplyQueue queue = new ReplyQueue();
Message msg = new SimpleMessage("foo").setRoute(Route.parse(server.connectionSpec()));
msg.setTimeReceivedNow();
msg.setTimeRemaining(60000);
msg.getTrace().setLevel(9);
msg.pushHandler(queue);
assertTrue(session.sendMessage(msg).isAccepted());
assertNotNull(msg = server.awaitMessage(60, TimeUnit.SECONDS));
server.ackMessage(msg);
assertNotNull(queue.awaitReply(60, TimeUnit.SECONDS));
session.release();
server.close();
}
@Test
public void requireThatSessionCanSendReply() throws InterruptedException {
RemoteClient client = RemoteClient.newInstanceWithInternSlobrok(true);
MessageQueue queue = new MessageQueue();
IntermediateSessionParams params = new IntermediateSessionParams().setMessageHandler(queue);
SharedIntermediateSession session = newIntermediateSession(client.slobroksConfig(), params, true);
Route route = Route.parse(session.connectionSpec());
assertTrue(client.sendMessage(new SimpleMessage("foo").setRoute(route)).isAccepted());
Message msg = queue.awaitMessage(60, TimeUnit.SECONDS);
assertNotNull(msg);
Reply reply = new SimpleReply("bar");
reply.swapState(msg);
session.sendReply(reply);
assertNotNull(client.awaitReply(60, TimeUnit.SECONDS));
session.release();
client.close();
}
private static SharedIntermediateSession newIntermediateSession(boolean network) {
Slobrok slobrok = null;
try {
slobrok = new Slobrok();
} catch (ListenFailedException e) {
fail();
}
return newIntermediateSession(TestUtils.configFor(slobrok), new IntermediateSessionParams(), network);
}
private static SharedIntermediateSession newIntermediateSession(SlobroksConfig slobroksConfig,
IntermediateSessionParams params,
boolean network) {
RPCNetworkParams netParams = new RPCNetworkParams().setSlobroksConfig(slobroksConfig);
MessageBusParams mbusParams = new MessageBusParams().addProtocol(new SimpleProtocol());
SharedMessageBus mbus = network
? SharedMessageBus.newInstance(mbusParams, netParams)
: new SharedMessageBus(new MessageBus(new LocalNetwork(new LocalWire()), mbusParams));
SharedIntermediateSession session = mbus.newIntermediateSession(params);
mbus.release();
return session;
}
}
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