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ConnectionPersistenceActorTest.java
1193 lines (1017 loc) · 54.8 KB
/
ConnectionPersistenceActorTest.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.connectivity.service.messaging.persistence;
import static java.util.Map.entry;
import static org.assertj.core.api.Assertions.assertThat;
import static org.eclipse.ditto.connectivity.service.messaging.MockClientActor.mockClientActorPropsFactory;
import static org.eclipse.ditto.connectivity.service.messaging.TestConstants.INSTANT;
import java.time.Duration;
import java.time.Instant;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
import javax.annotation.Nullable;
import org.awaitility.Awaitility;
import org.eclipse.ditto.base.api.persistence.cleanup.CleanupPersistence;
import org.eclipse.ditto.base.api.persistence.cleanup.CleanupPersistenceResponse;
import org.eclipse.ditto.base.model.exceptions.DittoRuntimeException;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.headers.WithDittoHeaders;
import org.eclipse.ditto.connectivity.api.BaseClientState;
import org.eclipse.ditto.connectivity.model.Connection;
import org.eclipse.ditto.connectivity.model.ConnectionConfigurationInvalidException;
import org.eclipse.ditto.connectivity.model.ConnectionId;
import org.eclipse.ditto.connectivity.model.ConnectionIdInvalidException;
import org.eclipse.ditto.connectivity.model.ConnectivityModelFactory;
import org.eclipse.ditto.connectivity.model.ConnectivityStatus;
import org.eclipse.ditto.connectivity.model.signals.commands.ConnectivityCommand;
import org.eclipse.ditto.connectivity.model.signals.commands.exceptions.ConnectionNotAccessibleException;
import org.eclipse.ditto.connectivity.model.signals.commands.exceptions.ConnectionUnavailableException;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.CloseConnection;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.CloseConnectionResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.CreateConnection;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.CreateConnectionResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.DeleteConnection;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.DeleteConnectionResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.EnableConnectionLogs;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.EnableConnectionLogsResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.LoggingExpired;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.ModifyConnection;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.ModifyConnectionResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.OpenConnection;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.OpenConnectionResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.ResetConnectionLogs;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.ResetConnectionLogsResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.ResetConnectionMetrics;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.ResetConnectionMetricsResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.TestConnection;
import org.eclipse.ditto.connectivity.model.signals.commands.modify.TestConnectionResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnection;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnectionLogs;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnectionLogsResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnectionMetrics;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnectionMetricsResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnectionResponse;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnectionStatus;
import org.eclipse.ditto.connectivity.model.signals.commands.query.RetrieveConnectionStatusResponse;
import org.eclipse.ditto.connectivity.service.messaging.ClientActorPropsFactory;
import org.eclipse.ditto.connectivity.service.messaging.MockClientActor;
import org.eclipse.ditto.connectivity.service.messaging.TestConstants;
import org.eclipse.ditto.connectivity.service.messaging.WithMockServers;
import org.eclipse.ditto.internal.utils.akka.controlflow.WithSender;
import org.eclipse.ditto.internal.utils.test.Retry;
import org.eclipse.ditto.thingsearch.model.signals.commands.subscription.CreateSubscription;
import org.hamcrest.CoreMatchers;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigValueFactory;
import akka.actor.AbstractActor;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.Props;
import akka.actor.Status;
import akka.cluster.Cluster;
import akka.cluster.pubsub.DistributedPubSub;
import akka.japi.pf.ReceiveBuilder;
import akka.testkit.TestProbe;
import akka.testkit.javadsl.TestKit;
import scala.PartialFunction;
import scala.concurrent.duration.FiniteDuration;
/**
* Unit test for {@link ConnectionPersistenceActor}.
*/
public final class ConnectionPersistenceActorTest extends WithMockServers {
private ActorSystem actorSystem;
private ActorRef pubSubMediator;
private ActorRef proxyActor;
private ConnectionId connectionId;
private CreateConnection createConnection;
private CreateConnection createClosedConnectionWith2Clients;
private CreateConnection createClosedConnection;
private ModifyConnection modifyConnection;
private ModifyConnection modifyClosedConnection;
private DeleteConnection deleteConnection;
private TestConnection testConnection;
private TestConnection testConnectionCausingFailure;
private TestConnection testConnectionCausingException;
private CreateConnectionResponse createConnectionResponse;
private CreateConnectionResponse createClosedConnectionResponse;
private ModifyConnectionResponse modifyConnectionResponse;
private OpenConnection openConnection;
private CloseConnection closeConnection;
private CloseConnectionResponse closeConnectionResponse;
private DeleteConnectionResponse deleteConnectionResponse;
private RetrieveConnection retrieveConnection;
private RetrieveConnectionStatus retrieveConnectionStatus;
private ResetConnectionMetrics resetConnectionMetrics;
private RetrieveConnectionResponse retrieveModifiedConnectionResponse;
private RetrieveConnectionStatusResponse retrieveConnectionStatusOpenResponse;
private ConnectionNotAccessibleException connectionNotAccessibleException;
private EnableConnectionLogs enableConnectionLogs;
private EnableConnectionLogsResponse enableConnectionLogsResponse;
// second actor system to test multiple client actors
private ActorSystem actorSystem2;
private Connection closedConnection;
@After
public void tearDown() {
shutdown(actorSystem);
shutdown(actorSystem2);
}
@Before
public void init() {
actorSystem = ActorSystem.create(getClass().getSimpleName(), TestConstants.CONFIG);
pubSubMediator = DistributedPubSub.get(actorSystem).mediator();
proxyActor = actorSystem.actorOf(TestConstants.ProxyActorMock.props());
connectionId = TestConstants.createRandomConnectionId();
final Connection connection = TestConstants.createConnection(connectionId);
final Connection closedConnectionWith2Clients =
connection.toBuilder().clientCount(2).connectionStatus(ConnectivityStatus.CLOSED).build();
closedConnection = TestConstants.createConnection(connectionId, ConnectivityStatus.CLOSED,
TestConstants.Sources.SOURCES_WITH_AUTH_CONTEXT);
createConnection = CreateConnection.of(connection, DittoHeaders.empty());
createClosedConnectionWith2Clients = CreateConnection.of(closedConnectionWith2Clients, DittoHeaders.empty());
createClosedConnection = CreateConnection.of(closedConnection, DittoHeaders.empty());
final Connection modifiedConnection =
connection.toBuilder()
.failoverEnabled(false)
.targets(Collections.singletonList(TestConstants.Targets.MESSAGE_TARGET))
.build();
modifyConnection = ModifyConnection.of(modifiedConnection, DittoHeaders.empty());
modifyClosedConnection = ModifyConnection.of(closedConnection, DittoHeaders.empty());
deleteConnection = DeleteConnection.of(connectionId, DittoHeaders.empty());
createConnectionResponse = CreateConnectionResponse.of(connection, DittoHeaders.empty());
createClosedConnectionResponse = CreateConnectionResponse.of(closedConnection, DittoHeaders.empty());
modifyConnectionResponse = ModifyConnectionResponse.of(connectionId, DittoHeaders.empty());
openConnection = OpenConnection.of(connectionId, DittoHeaders.empty());
closeConnection = CloseConnection.of(connectionId, DittoHeaders.empty());
testConnection = TestConnection.of(connection, DittoHeaders.empty());
testConnectionCausingFailure =
TestConnection.of(connection, DittoHeaders.newBuilder().putHeader("fail", "true").build());
testConnectionCausingException =
TestConnection.of(connection, DittoHeaders.newBuilder().putHeader("error", "true").build());
closeConnectionResponse = CloseConnectionResponse.of(connectionId, DittoHeaders.empty());
deleteConnectionResponse = DeleteConnectionResponse.of(connectionId, DittoHeaders.empty());
retrieveConnection = RetrieveConnection.of(connectionId, DittoHeaders.empty());
retrieveConnectionStatus = RetrieveConnectionStatus.of(connectionId, DittoHeaders.empty());
resetConnectionMetrics = ResetConnectionMetrics.of(connectionId, DittoHeaders.empty());
retrieveModifiedConnectionResponse =
RetrieveConnectionResponse.of(modifiedConnection.toJson(), DittoHeaders.empty());
retrieveConnectionStatusOpenResponse =
RetrieveConnectionStatusResponse.getBuilder(connectionId, DittoHeaders.empty())
.connectionStatus(ConnectivityStatus.OPEN)
.liveStatus(ConnectivityStatus.OPEN)
.connectedSince(INSTANT)
.clientStatus(
List.of(ConnectivityModelFactory.newClientStatus("client1", ConnectivityStatus.OPEN,
"connection is open", INSTANT)))
.sourceStatus(
List.of(ConnectivityModelFactory.newSourceStatus("client1", ConnectivityStatus.OPEN,
"source1", "consumer started"),
ConnectivityModelFactory.newSourceStatus("client1", ConnectivityStatus.OPEN,
"source2", "consumer started")
))
.targetStatus(
List.of(ConnectivityModelFactory.newTargetStatus("client1", ConnectivityStatus.OPEN,
"target1", "publisher started")))
.build();
connectionNotAccessibleException = ConnectionNotAccessibleException.newBuilder(connectionId).build();
enableConnectionLogs = EnableConnectionLogs.of(connectionId, DittoHeaders.empty());
enableConnectionLogsResponse = EnableConnectionLogsResponse.of(connectionId,
enableConnectionLogs.getDittoHeaders());
}
@Test
public void testConnection() {
new TestKit(actorSystem) {{
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor);
underTest.tell(testConnection, getRef());
final TestConnectionResponse testConnectionResponse =
TestConnectionResponse.success(connectionId, "mock", DittoHeaders.empty());
expectMsg(testConnectionResponse);
}};
}
@Test
public void testConnectionCausingFailure() {
new TestKit(actorSystem) {{
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor);
underTest.tell(testConnectionCausingFailure, getRef());
final DittoRuntimeException exception = ConnectionIdInvalidException.newBuilder("invalid").build();
expectMsg(exception);
}};
}
@Test
public void testConnectionCausingException() {
new TestKit(actorSystem) {{
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor);
underTest.tell(testConnectionCausingException, getRef());
final DittoRuntimeException exception = ConnectionIdInvalidException.newBuilder("invalid").build();
expectMsg(exception);
}};
}
@Test
public void tryToSendOtherCommandThanCreateDuringInitialization() {
new TestKit(actorSystem) {{
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor);
underTest.tell(deleteConnection, getRef());
final ConnectionNotAccessibleException expectedMessage =
ConnectionNotAccessibleException.newBuilder(connectionId).build();
expectMsg(expectedMessage);
}};
}
@Test
public void manageConnection() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest = TestConstants.createConnectionSupervisorActor(
connectionId, actorSystem, proxyActor,
mockClientActorPropsFactory(probe.ref()),
pubSubMediator
);
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
probe.expectMsg(enableConnectionLogs);
probe.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// close connection
underTest.tell(closeConnection, getRef());
probe.expectMsg(closeConnection);
expectMsg(closeConnectionResponse);
// delete connection
underTest.tell(deleteConnection, getRef());
expectMsg(deleteConnectionResponse);
probe.expectNoMessage();
expectTerminated(underTest);
}};
}
@Test
public void deleteConnectionUpdatesSubscriptionsAndClosesConnection() {
new TestKit(actorSystem) {{
final TestProbe clientActorMock = TestProbe.apply(actorSystem);
final ActorRef underTest = TestConstants.createConnectionSupervisorActor(
connectionId, actorSystem, proxyActor,
mockClientActorPropsFactory(clientActorMock.ref()),
pubSubMediator
);
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
clientActorMock.expectMsg(enableConnectionLogs);
clientActorMock.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// delete connection
underTest.tell(deleteConnection, getRef());
clientActorMock.expectMsg(closeConnection);
expectMsg(deleteConnectionResponse);
expectTerminated(underTest);
}};
}
@Test
public void manageConnectionWith2Clients() throws Exception {
startSecondActorSystemAndJoinCluster();
new TestKit(actorSystem) {{
final TestProbe gossipProbe = TestProbe.apply("gossip", actorSystem);
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor, (a, b, c, d) -> MockClientActor.props(probe.ref(), gossipProbe.ref()));
watch(underTest);
// create closed connection
underTest.tell(createClosedConnectionWith2Clients, getRef());
expectMsgClass(CreateConnectionResponse.class);
// open connection: only local client actor is asked for a response.
underTest.tell(openConnection, getRef());
// perform gossip protocol on client actor startup
underTest.tell(gossipProbe.expectMsgClass(ActorRef.class), ActorRef.noSender());
underTest.tell(gossipProbe.expectMsgClass(ActorRef.class), ActorRef.noSender());
// one client actor receives the command
probe.expectMsg(enableConnectionLogs);
probe.expectMsg(openConnection);
probe.expectMsg(enableConnectionLogs);
expectMsgClass(OpenConnectionResponse.class);
// forward signal once
underTest.tell(CreateSubscription.of(DittoHeaders.empty()), getRef());
probe.fishForMessage(scala.concurrent.duration.Duration.apply(5, TimeUnit.SECONDS), "CreateSubscription",
PartialFunction.fromFunction(CreateSubscription.class::isInstance));
// close connection: at least 1 client actor gets the command; the other may or may not be started.
underTest.tell(closeConnection, getRef());
probe.expectMsg(closeConnection);
expectMsg(closeConnectionResponse);
// delete connection
underTest.tell(deleteConnection, getRef());
expectMsg(deleteConnectionResponse);
expectTerminated(underTest);
}};
}
@Test
public void createConnectionAfterDeleted() {
new TestKit(actorSystem) {{
final TestProbe clientActorMock = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor, mockClientActorPropsFactory(clientActorMock.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
clientActorMock.expectMsg(enableConnectionLogs);
clientActorMock.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// delete connection
underTest.tell(deleteConnection, getRef());
clientActorMock.expectMsg(closeConnection);
expectMsg(deleteConnectionResponse);
// create connection again (while ConnectionActor is in deleted state)
underTest.tell(createConnection, getRef());
expectMsg(createConnectionResponse);
clientActorMock.expectMsg(enableConnectionLogs);
clientActorMock.expectMsg(openConnection);
}};
}
@Test
public void openConnectionAfterDeletedFails() {
new TestKit(actorSystem) {{
final TestProbe clientActorMock = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor, mockClientActorPropsFactory(clientActorMock.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
clientActorMock.expectMsg(enableConnectionLogs);
clientActorMock.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// delete connection
underTest.tell(deleteConnection, getRef());
expectMsg(deleteConnectionResponse);
// open connection should fail
underTest.tell(openConnection, getRef());
expectMsg(connectionNotAccessibleException);
}};
}
@Test
public void createConnectionInClosedState() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor, mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createClosedConnection, getRef());
expectMsg(createClosedConnectionResponse);
// assert that client actor is not called for closed connection
probe.expectNoMessage();
}};
}
@Test
public void createClosedConnectionWithUnknownHost() {
final CreateConnection createClosedConnectionWithUnknownHost =
CreateConnection.of(closedConnection.toBuilder().uri("amqp://invalid:1234").build(),
DittoHeaders.empty());
sendCommandWithEnabledBlocklist(
entry(createClosedConnectionWithUnknownHost,
ConnectionPersistenceActorTest::assertHostInvalid));
}
@Test
public void testConnectionWithUnknownHost() {
final TestConnection testConnectionWithUnknownHost =
TestConnection.of(closedConnection.toBuilder().uri("amqp://invalid:1234").build(),
DittoHeaders.empty());
sendCommandWithEnabledBlocklist(
entry(testConnectionWithUnknownHost, ConnectionPersistenceActorTest::assertHostInvalid));
}
@Test
public void modifyClosedConnectionWithUnknownHost() {
// connection is created with a valid host/ip
final CreateConnection createClosedConnectionWithValidHost =
CreateConnection.of(closedConnection.toBuilder().uri("amqp://8.8.8.8:1234").build(),
DittoHeaders.empty());
// later modified with an invalid host
final ModifyConnection modifyClosedConnectionWithInvalidHost =
ModifyConnection.of(createClosedConnectionWithValidHost.getConnection().toBuilder()
.uri("amqp://invalid:1234").build(), DittoHeaders.empty());
sendCommandWithEnabledBlocklist(
// create is successful
entry(createClosedConnectionWithValidHost, ConnectionPersistenceActorTest::assertConnectionCreated),
// modify fails because the new host is invalid
entry(modifyClosedConnectionWithInvalidHost, ConnectionPersistenceActorTest::assertHostInvalid
));
}
@Test
public void createClosedConnectionWithBlockedHost() {
final CreateConnection createClosedConnectionWithBlockedHost =
CreateConnection.of(closedConnection.toBuilder().uri("amqp://localhost:1234").build(),
DittoHeaders.empty());
sendCommandWithEnabledBlocklist(
entry(createClosedConnectionWithBlockedHost,
ConnectionPersistenceActorTest::assertHostBlocked));
}
@Test
public void testConnectionWithBlockedHost() {
final TestConnection testConnectionWithUnknownHost =
TestConnection.of(closedConnection.toBuilder().uri("amqp://localhost:1234").build(),
DittoHeaders.empty());
sendCommandWithEnabledBlocklist(
entry(testConnectionWithUnknownHost, ConnectionPersistenceActorTest::assertHostBlocked));
}
@Test
public void modifyClosedConnectionWithBlockedHost() {
// connection is created with a valid host/ip
final CreateConnection createClosedConnectionWithValidHost =
CreateConnection.of(closedConnection.toBuilder().uri("amqp://8.8.8.8:1234").build(),
DittoHeaders.empty());
// later modified with a blocked host
final ModifyConnection modifyClosedConnectionWithBlockedHost =
ModifyConnection.of(createClosedConnectionWithValidHost.getConnection().toBuilder()
.uri("amqp://localhost:1234").build(), DittoHeaders.empty());
sendCommandWithEnabledBlocklist(
// create is successful
entry(createClosedConnectionWithValidHost, ConnectionPersistenceActorTest::assertConnectionCreated),
// modify fails because the new host is invalid
entry(modifyClosedConnectionWithBlockedHost,
ConnectionPersistenceActorTest::assertHostBlocked));
}
@SafeVarargs
private void sendCommandWithEnabledBlocklist(
final Map.Entry<ConnectivityCommand<?>, Consumer<Object>>... commands) {
final Config configWithBlocklist =
TestConstants.CONFIG.withValue("ditto.connectivity.connection.blocked-hostnames",
ConfigValueFactory.fromAnyRef("127.0.0.1"));
final ActorSystem systemWithBlocklist = ActorSystem.create(getClass().getSimpleName() + "WithBlocklist",
configWithBlocklist);
final ActorRef pubSubMediator = DistributedPubSub.get(systemWithBlocklist).mediator();
try {
new TestKit(systemWithBlocklist) {{
final TestProbe probe = TestProbe.apply(systemWithBlocklist);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, systemWithBlocklist,
pubSubMediator, proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
for (final Map.Entry<ConnectivityCommand<?>, Consumer<Object>> command : commands) {
underTest.tell(command.getKey(), getRef());
command.getValue().accept(expectMsgClass(Duration.ofSeconds(10), Object.class));
}
// assert that client actor is not called for closed connection
probe.expectNoMessage();
}};
} finally {
TestKit.shutdownActorSystem(systemWithBlocklist);
}
}
private static void assertHostInvalid(Object response) {
assertThat(response).isInstanceOf(ConnectionConfigurationInvalidException.class);
final ConnectionConfigurationInvalidException exception = (ConnectionConfigurationInvalidException) response;
assertThat(exception).hasMessageContaining("The configured host 'invalid' is invalid");
}
private static void assertHostBlocked(Object response) {
assertThat(response).isInstanceOf(ConnectionConfigurationInvalidException.class);
final ConnectionConfigurationInvalidException e = (ConnectionConfigurationInvalidException) response;
assertThat(e).hasMessageContaining("The configured host 'localhost' may not be used for the connection");
}
private static void assertConnectionCreated(Object response) {
assertThat(response).isInstanceOf(CreateConnectionResponse.class);
}
@Test
public void modifyConnectionInClosedState() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
probe.expectMsg(enableConnectionLogs);
probe.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// close connection
underTest.tell(closeConnection, getRef());
probe.expectMsg(closeConnection);
expectMsg(closeConnectionResponse);
// modify connection
underTest.tell(modifyClosedConnection, getRef());
// client actor is not informed about modification as it is not started
probe.expectNoMessage();
expectMsg(modifyConnectionResponse);
}};
}
@Test
public void retrieveMetricsInClosedStateDoesNotStartClientActor() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createClosedConnection, getRef());
expectMsg(createClosedConnectionResponse);
probe.expectNoMessage();
// retrieve metrics
underTest.tell(RetrieveConnectionMetrics.of(connectionId, DittoHeaders.empty()), getRef());
probe.expectNoMessage();
final RetrieveConnectionMetricsResponse metricsResponse =
RetrieveConnectionMetricsResponse.getBuilder(connectionId, DittoHeaders.empty())
.connectionMetrics(ConnectivityModelFactory.emptyConnectionMetrics())
.sourceMetrics(ConnectivityModelFactory.emptySourceMetrics())
.targetMetrics(ConnectivityModelFactory.emptyTargetMetrics())
.build();
expectMsg(metricsResponse);
}};
}
@Test
public void modifyConnectionClosesAndRestartsClientActor() {
new TestKit(actorSystem) {{
final TestProbe mockClientProbe = TestProbe.apply(actorSystem);
final TestProbe commandSender = TestProbe.apply(actorSystem);
final AtomicReference<Connection> latestConnection = new AtomicReference<>();
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId,
actorSystem,
proxyActor, (connection, proxyActor, connectionActor, actorSystem) -> {
latestConnection.set(connection);
return MockClientActor.props(mockClientProbe.ref());
},
pubSubMediator);
// create connection
underTest.tell(createConnection, commandSender.ref());
mockClientProbe.expectMsg(enableConnectionLogs);
mockClientProbe.expectMsg(FiniteDuration.create(5, TimeUnit.SECONDS), openConnection);
commandSender.expectMsg(createConnectionResponse);
final ActorRef clientActor = watch(mockClientProbe.sender());
// modify connection
underTest.tell(modifyConnection, commandSender.ref());
// modify triggers a CloseConnection
mockClientProbe.expectMsg(CloseConnection.of(connectionId, DittoHeaders.empty()));
// unsubscribe is called for topics of unmodified connection
expectTerminated(clientActor);
// and sends an open connection (if desired state is open). Since logging is enabled from creation
// enabledConnectionLogs is also expected
mockClientProbe.expectMsg(enableConnectionLogs);
mockClientProbe.expectMsg(openConnection);
// finally the response is sent
commandSender.expectMsg(modifyConnectionResponse);
// modified connection contains an additional target for messages
Awaitility.await().untilAtomic(latestConnection, CoreMatchers.is(modifyConnection.getConnection()));
}};
}
@Test
public void recoverOpenConnection() {
new TestKit(actorSystem) {{
final TestProbe mockClientProbe = TestProbe.apply(actorSystem);
ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(mockClientProbe.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
expectMsg(createConnectionResponse);
// wait for open connection of initial creation
mockClientProbe.expectMsg(enableConnectionLogs);
mockClientProbe.expectMsg(openConnection);
// stop actor
getSystem().stop(underTest);
expectTerminated(underTest);
// recover actor
final TestProbe recoveredMockClientProbe = TestProbe.apply(actorSystem);
underTest = Retry.untilSuccess(
() -> TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor, mockClientActorPropsFactory(recoveredMockClientProbe.ref())));
// connection is opened after recovery -> recovered client actor receives OpenConnection command
recoveredMockClientProbe.expectMsg(openConnection);
// poll connection status until status is OPEN
final ActorRef recoveredActor = underTest;
Awaitility.await().untilAsserted(() -> {
recoveredActor.tell(retrieveConnectionStatus, getRef());
expectMsg(retrieveConnectionStatusOpenResponse);
});
}};
}
@Test
public void recoverModifiedConnection() {
new TestKit(actorSystem) {{
ActorRef underTest = TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, proxyActor);
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
expectMsg(createConnectionResponse);
// modify connection
underTest.tell(modifyConnection, getRef());
expectMsg(modifyConnectionResponse);
// stop actor
getSystem().stop(underTest);
expectTerminated(underTest);
// recover actor
underTest = TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor);
// retrieve connection status
underTest.tell(retrieveConnection, getRef());
expectMsg(retrieveModifiedConnectionResponse);
}};
}
@Test
public void recoverClosedConnection() {
new TestKit(actorSystem) {{
ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor);
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
expectMsg(createConnectionResponse);
// close connection
underTest.tell(closeConnection, getRef());
expectMsg(closeConnectionResponse);
// stop actor
getSystem().stop(underTest);
expectTerminated(underTest);
// recover actor
underTest = Retry.untilSuccess(() ->
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor));
// retrieve connection status
underTest.tell(retrieveConnectionStatus, getRef());
final RetrieveConnectionStatusResponse response = expectMsgClass(RetrieveConnectionStatusResponse.class);
assertThat((Object) response.getConnectionStatus()).isEqualTo(ConnectivityStatus.CLOSED);
assertThat(response.getSourceStatus()).isEmpty();
assertThat(response.getTargetStatus()).isEmpty();
assertThat(response.getClientStatus()).hasSize(1);
assertThat((CharSequence) response.getClientStatus().get(0).getStatus()).isEqualTo(
ConnectivityStatus.CLOSED);
assertThat(response.getClientStatus().get(0).getStatusDetails())
.contains(String.format("[%s] connection is closed", BaseClientState.DISCONNECTED));
}};
}
@Test
public void recoverDeletedConnection() {
new TestKit(actorSystem) {{
ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor);
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
expectMsg(createConnectionResponse);
// delete connection
underTest.tell(deleteConnection, getRef());
expectMsg(deleteConnectionResponse);
expectTerminated(underTest);
// recover actor
underTest = Retry.untilSuccess(() ->
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor));
// retrieve connection status
underTest.tell(retrieveConnectionStatus, getRef());
expectMsg(connectionNotAccessibleException);
}};
}
@Test
public void exceptionDuringClientActorPropsCreation() {
new TestKit(actorSystem) {{
final Props connectionActorProps =
ConnectionPersistenceActor.props(TestConstants.createRandomConnectionId(),
proxyActor,
(connection, proxyActor, connectionActor, actorSystem) -> {
throw ConnectionConfigurationInvalidException.newBuilder("validation failed...")
.build();
}, null, UsageBasedPriorityProvider::getInstance);
// create another actor because this it is stopped and we want to test if the child is terminated
final TestKit parent = new TestKit(actorSystem);
final ActorRef connectionActorRef = watch(parent.childActorOf(connectionActorProps));
// create connection
connectionActorRef.tell(createConnection, parent.getRef());
// expect ConnectionConfigurationInvalidException sent to parent
final Exception exception = parent.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(exception).hasMessageContaining("validation failed...");
// connection actor will stop after activity check.
}};
}
@Test
public void exceptionDueToCustomValidator() {
new TestKit(actorSystem) {{
final Props connectionActorProps =
ConnectionPersistenceActor.props(TestConstants.createRandomConnectionId(),
proxyActor,
mockClientActorPropsFactory,
(command, connection) -> {
throw ConnectionUnavailableException.newBuilder(connectionId)
.dittoHeaders(command.getDittoHeaders())
.message("not valid")
.build();
}, UsageBasedPriorityProvider::getInstance);
// create another actor because we want to test if the child is terminated
final TestKit parent = new TestKit(actorSystem);
final ActorRef connectionActorRef = watch(parent.childActorOf(connectionActorProps));
// create connection
connectionActorRef.tell(createConnection, parent.getRef());
// expect ConnectionUnavailableException sent to parent
final ConnectionUnavailableException exception =
parent.expectMsgClass(ConnectionUnavailableException.class);
assertThat(exception).hasMessageContaining("not valid");
// do not expect passivation; it only happens for graceful shutdown.
}};
}
@Test
public void testResetConnectionMetrics() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
probe.expectMsg(enableConnectionLogs);
probe.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// reset metrics
underTest.tell(resetConnectionMetrics, getRef());
probe.expectMsg(resetConnectionMetrics);
final ResetConnectionMetricsResponse resetResponse =
ResetConnectionMetricsResponse.of(connectionId, DittoHeaders.empty());
expectMsg(resetResponse);
}};
}
@Test
public void testConnectionActorRespondsToCleanupCommand() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
probe.expectMsg(enableConnectionLogs);
probe.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// send cleanup command
underTest.tell(CleanupPersistence.of(connectionId, DittoHeaders.empty()), getRef());
expectMsg(CleanupPersistenceResponse.success(connectionId, DittoHeaders.empty()
));
}};
}
@Test
public void enableConnectionLogs() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
probe.expectMsg(enableConnectionLogs);
probe.expectMsg(openConnection);
expectMsg(createConnectionResponse);
//Close logging which are automatically enabled via create connection
underTest.tell(LoggingExpired.of(connectionId, DittoHeaders.empty()), getRef());
// enable connection logs
underTest.tell(enableConnectionLogs, getRef());
probe.expectMsg(enableConnectionLogs);
expectMsg(enableConnectionLogsResponse);
}};
}
@Test
public void retrieveLogsInClosedStateDoesNotStartClientActor() {
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createClosedConnection, getRef());
expectMsg(createClosedConnectionResponse);
probe.expectNoMessage();
// retrieve logs
underTest.tell(RetrieveConnectionLogs.of(connectionId, DittoHeaders.empty()), getRef());
probe.expectNoMessage();
final RetrieveConnectionLogsResponse logsResponse =
RetrieveConnectionLogsResponse.of(connectionId,
Collections.emptyList(),
null,
null,
DittoHeaders.empty());
expectMsg(logsResponse);
}};
}
@Test
public void retrieveLogsIsAggregated() {
final Instant now = Instant.now();
final RetrieveConnectionLogsResponse innerResponse = RetrieveConnectionLogsResponse.of(connectionId,
TestConstants.Monitoring.LOG_ENTRIES,
now.minusSeconds(312),
now.plusSeconds(123),
DittoHeaders.empty());
new TestKit(actorSystem) {{
final TestProbe probe = TestProbe.apply(actorSystem);
final ActorRef underTest =
TestConstants.createConnectionSupervisorActor(connectionId, actorSystem, pubSubMediator,
proxyActor,
mockClientActorPropsFactory(probe.ref()));
watch(underTest);
// create connection
underTest.tell(createConnection, getRef());
probe.expectMsg(enableConnectionLogs);
probe.expectMsg(openConnection);
expectMsg(createConnectionResponse);
// retrieve logs
final RetrieveConnectionLogs retrieveConnectionLogs =
RetrieveConnectionLogs.of(connectionId, DittoHeaders.empty());
underTest.tell(retrieveConnectionLogs, getRef());