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ConnectionPersistenceActorTest.java
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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 org.assertj.core.api.Assertions.assertThat;
import static org.eclipse.ditto.connectivity.service.messaging.MockClientActorPropsFactory.gossipProbe;
import static org.eclipse.ditto.connectivity.service.messaging.MockClientActorPropsFactory.mockClientActorProbe;
import static org.eclipse.ditto.connectivity.service.messaging.TestConstants.INSTANT;
import java.io.IOException;
import java.io.InputStreamReader;
import java.time.Instant;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
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.correlationid.TestNameCorrelationId;
import org.eclipse.ditto.base.model.headers.DittoHeaderDefinition;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
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.ConnectionType;
import org.eclipse.ditto.connectivity.model.ConnectivityModelFactory;
import org.eclipse.ditto.connectivity.model.ConnectivityStatus;
import org.eclipse.ditto.connectivity.model.RecoveryStatus;
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.model.signals.events.ConnectionDeleted;
import org.eclipse.ditto.connectivity.service.messaging.MockClientActorPropsFactory;
import org.eclipse.ditto.connectivity.service.messaging.MockCommandValidator;
import org.eclipse.ditto.connectivity.service.messaging.TestConstants;
import org.eclipse.ditto.connectivity.service.messaging.WithMockServers;
import org.eclipse.ditto.connectivity.service.messaging.hono.DefaultHonoConnectionFactoryTest;
import org.eclipse.ditto.connectivity.service.util.ConnectionPubSub;
import org.eclipse.ditto.internal.utils.akka.ActorSystemResource;
import org.eclipse.ditto.internal.utils.akka.PingCommand;
import org.eclipse.ditto.internal.utils.akka.controlflow.WithSender;
import org.eclipse.ditto.internal.utils.persistentactors.AbstractPersistenceSupervisor;
import org.eclipse.ditto.internal.utils.test.Retry;
import org.eclipse.ditto.internal.utils.tracing.DittoTracingInitResource;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.thingsearch.model.signals.commands.subscription.CreateSubscription;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import com.typesafe.config.ConfigFactory;
import com.typesafe.config.ConfigValueFactory;
import akka.actor.ActorRef;
import akka.actor.Props;
import akka.actor.Status;
import akka.cluster.Cluster;
import akka.cluster.pubsub.DistributedPubSub;
import akka.cluster.pubsub.DistributedPubSubMediator;
import akka.testkit.TestActor;
import akka.testkit.TestProbe;
import scala.PartialFunction;
import scala.concurrent.duration.FiniteDuration;
/**
* Unit test for {@link ConnectionPersistenceActor}.
*/
public final class ConnectionPersistenceActorTest extends WithMockServers {
@ClassRule
public static final DittoTracingInitResource DITTO_TRACING_INIT_RESOURCE =
DittoTracingInitResource.disableDittoTracing();
@Rule
public final ActorSystemResource actorSystemResource1 = ActorSystemResource.newInstance(
ConfigFactory.parseMap(Map.of(
"ditto.extensions.client-actor-props-factory.extension-class",
MockClientActorPropsFactory.class.getName(),
"ditto.connectivity.connection.allowed-hostnames",
ConfigValueFactory.fromAnyRef("127.0.0.1,hono-endpoint"),
"ditto.connectivity.connection.blocked-hostnames",
ConfigValueFactory.fromAnyRef("127.0.0.2"),
"ditto.extensions.custom-connectivity-command-interceptor-provider",
MockCommandValidator.class.getName(),
"ditto.extensions.hono-connection-factory",
ConfigValueFactory.fromAnyRef(
"org.eclipse.ditto.connectivity.service.messaging.hono.DefaultHonoConnectionFactory"),
"ditto.connectivity.hono.base-uri", ConfigValueFactory.fromAnyRef("tcp://localhost:9922"),
"ditto.connectivity.hono.validate-certificates", ConfigValueFactory.fromAnyRef("false"),
"ditto.connectivity.hono.sasl-mechanism", ConfigValueFactory.fromAnyRef("PLAIN"),
"ditto.connectivity.hono.bootstrap-servers",
ConfigValueFactory.fromAnyRef("tcp://server1:port1,tcp://server2:port2,tcp://server3:port3")
)).withFallback(TestConstants.CONFIG));
@Rule
public final ActorSystemResource actorSystemResource2 = ActorSystemResource.newInstance(
ConfigFactory.parseMap(Map.of(
"ditto.extensions.client-actor-props-factory.extension-class",
MockClientActorPropsFactory.class.getName(),
"ditto.connectivity.connection.allowed-hostnames",
ConfigValueFactory.fromAnyRef("127.0.0.1"),
"ditto.connectivity.connection.blocked-hostnames",
ConfigValueFactory.fromAnyRef("127.0.0.2"),
"ditto.extensions.custom-connectivity-command-interceptor-provider",
MockCommandValidator.class.getName()
)).withFallback(TestConstants.CONFIG));
@Rule
public final TestNameCorrelationId testNameCorrelationId = TestNameCorrelationId.newInstance();
private TestProbe pubSubMediatorProbe;
private ActorRef commandForwarderActor;
private DittoHeaders dittoHeadersWithCorrelationId;
private ConnectionId connectionId;
private Connection connection;
private Connection closedConnectionWith2Clients;
private Connection closedConnection;
@Before
public void init() {
final var pubSubMediator = DistributedPubSub.get(actorSystemResource1.getActorSystem()).mediator();
pubSubMediatorProbe = TestProbe.apply(actorSystemResource1.getActorSystem());
pubSubMediatorProbe.setAutoPilot(new TestActor.AutoPilot() {
@Override
public TestActor.AutoPilot run(final ActorRef sender, final Object msg) {
pubSubMediator.tell(msg, sender);
return keepRunning();
}
});
commandForwarderActor = actorSystemResource1.newActor(TestConstants.ProxyActorMock.props());
connectionId = TestConstants.createRandomConnectionId();
connection = TestConstants.createConnection(connectionId);
closedConnectionWith2Clients =
connection.toBuilder().clientCount(2).connectionStatus(ConnectivityStatus.CLOSED).build();
closedConnection = TestConstants.createConnection(connectionId,
ConnectivityStatus.CLOSED,
TestConstants.Sources.SOURCES_WITH_AUTH_CONTEXT);
dittoHeadersWithCorrelationId =
DittoHeaders.newBuilder().correlationId(testNameCorrelationId.getCorrelationId()).build();
mockClientActorProbe = actorSystemResource1.newTestProbe();
gossipProbe = actorSystemResource1.newTestProbe();
}
@Test
public void testConnection() {
//GIVEN
final var connection = TestConstants.createConnection(connectionId);
final var testConnection = TestConnection.of(connection, dittoHeadersWithCorrelationId);
final var testProbe = actorSystemResource1.newTestProbe();
final var connectionSupervisorActor = createSupervisor();
//WHEN
connectionSupervisorActor.tell(testConnection, testProbe.ref());
//THEN
final var testConnectionWithDryRunHeader = TestConnection.of(connection, dittoHeadersWithCorrelationId
.toBuilder()
.dryRun(true)
.build());
expectMockClientActorMessage(testConnectionWithDryRunHeader);
mockClientActorProbe.reply(new Status.Success("mock"));
testProbe.expectMsg(TestConnectionResponse.success(connectionId, "mock", testConnection.getDittoHeaders()));
}
@Test
public void testConnectionTypeHono() throws IOException {
//GIVEN
final var honoConnection = generateConnectionObjectFromJsonFile("hono-connection-custom-test.json");
final var expectedHonoConnection = generateConnectionObjectFromJsonFile("hono-connection-custom-expected.json");
final var testConnection = TestConnection.of(honoConnection, dittoHeadersWithCorrelationId);
final var testProbe = actorSystemResource1.newTestProbe();
final var connectionSupervisorActor = createSupervisor();
//WHEN
connectionSupervisorActor.tell(testConnection, testProbe.ref());
//THEN
final var testConnectionWithDryRunHeader = TestConnection.of(expectedHonoConnection,
dittoHeadersWithCorrelationId
.toBuilder()
.dryRun(true)
.build());
expectMockClientActorMessage(testConnectionWithDryRunHeader);
mockClientActorProbe.reply(new Status.Success("mock"));
testProbe.expectMsg(
TestConnectionResponse.success(honoConnection.getId(), "mock", testConnection.getDittoHeaders()));
}
@Test
public void testRestartByConnectionType() throws IOException {
// GIVEN
final var honoConnection = generateConnectionObjectFromJsonFile("hono-connection-custom-test.json");
mockClientActorProbe.setAutoPilot(new TestActor.AutoPilot() {
@Override
public TestActor.AutoPilot run(final ActorRef sender, final Object msg) {
if (msg instanceof WithSender<?> withSender && withSender.getMessage() instanceof OpenConnection) {
sender.tell(new Status.Success("connected"), mockClientActorProbe.ref());
}
return keepRunning();
}
});
final var testProbe = actorSystemResource1.newTestProbe();
final var clientShardRegion = TestConstants.createClientActorShardRegion(
actorSystemResource1.getActorSystem(), connectionId.toString());
final var connectionActorProps = Props.create(ConnectionPersistenceActor.class,
() -> new ConnectionPersistenceActor(connectionId,
commandForwarderActor,
pubSubMediatorProbe.ref(),
ConfigFactory.empty(), clientShardRegion));
final var underTest = actorSystemResource1.newActor(connectionActorProps, connectionId.toString());
underTest.tell(createConnection(honoConnection), testProbe.ref());
testProbe.expectMsgClass(CreateConnectionResponse.class);
Arrays.stream(ConnectionType.values()).forEach(connectionType -> {
// WHEN
underTest.tell(new ConnectionSupervisorActor.RestartByConnectionType(connectionType), testProbe.ref());
// THEN
if (connectionType == honoConnection.getConnectionType()) {
testProbe.expectMsg(ConnectionSupervisorActor.RestartConnection.of(null));
} else {
testProbe.expectNoMsg();
}
});
}
private static Connection generateConnectionObjectFromJsonFile(final String fileName) throws IOException {
final var testClassLoader = DefaultHonoConnectionFactoryTest.class.getClassLoader();
try (final var connectionJsonFileStreamReader = new InputStreamReader(
testClassLoader.getResourceAsStream(fileName)
)) {
return ConnectivityModelFactory.connectionFromJson(
JsonFactory.readFrom(connectionJsonFileStreamReader).asObject());
}
}
@Test
public void testConnectionCausingFailure() {
//GIVEN
final var connection = TestConstants.createConnection(connectionId);
final var testConnection = TestConnection.of(connection, dittoHeadersWithCorrelationId);
final var testProbe = actorSystemResource1.newTestProbe();
final var connectionSupervisorActor = createSupervisor();
//WHEN
connectionSupervisorActor.tell(testConnection, testProbe.ref());
//THEN
final var testConnectionWithDryRunHeader = TestConnection.of(connection, dittoHeadersWithCorrelationId
.toBuilder()
.dryRun(true)
.build());
expectMockClientActorMessage(testConnectionWithDryRunHeader);
mockClientActorProbe.reply(new Status.Failure(ConnectionIdInvalidException.newBuilder("invalid").build()));
testProbe.expectMsg(ConnectionIdInvalidException.newBuilder("invalid")
.dittoHeaders(testConnection.getDittoHeaders())
.build());
}
@Test
public void testConnectionCausingException() {
//GIVEN
final var connection = TestConstants.createConnection(connectionId);
final var testConnection = TestConnection.of(connection, dittoHeadersWithCorrelationId);
final var testProbe = actorSystemResource1.newTestProbe();
final var connectionSupervisorActor = createSupervisor();
//WHEN
connectionSupervisorActor.tell(testConnection, testProbe.ref());
//THEN
final var testConnectionWithDryRunHeader = TestConnection.of(connection, dittoHeadersWithCorrelationId
.toBuilder()
.dryRun(true)
.build());
expectMockClientActorMessage(testConnectionWithDryRunHeader);
mockClientActorProbe.reply(ConnectionIdInvalidException.newBuilder("invalid").build());
testProbe.expectMsg(ConnectionIdInvalidException.newBuilder("invalid")
.dittoHeaders(testConnection.getDittoHeaders())
.build());
}
@Test
public void tryToSendOtherCommandThanCreateDuringInitialization() {
final var testProbe = actorSystemResource1.newTestProbe();
final var underTest = createSupervisor();
underTest.tell(DeleteConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
testProbe.expectMsg(ConnectionNotAccessibleException.newBuilder(connectionId)
.dittoHeaders(dittoHeadersWithCorrelationId)
.build());
}
@Test
public void manageConnection() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
final var clientWatcher = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
final var clientActor = clientWatcher.watch(gossipProbe.expectMsgClass(ActorRef.class));
// close connection
final CloseConnection closeConnection = CloseConnection.of(connectionId, dittoHeadersWithCorrelationId);
underTest.tell(closeConnection, testProbe.ref());
expectMockClientActorMessage(closeConnection);
mockClientActorProbe.reply(new Status.Success("mock"));
clientWatcher.expectTerminated(clientActor, FiniteDuration.apply(3, "s"));
testProbe.expectMsg(CloseConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
// delete connection
underTest.tell(DeleteConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
testProbe.expectMsg(DeleteConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
gossipProbe.expectNoMessage(); // no new client actor should start
testProbe.expectTerminated(underTest, FiniteDuration.apply(3, TimeUnit.SECONDS));
}
@Test
public void deleteConnectionTerminatesClientActors() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
final var clientActorWatcher = actorSystemResource1.newTestProbe();
final var clientActor = clientActorWatcher.watch(gossipProbe.expectMsgClass(ActorRef.class));
// delete connection
underTest.tell(DeleteConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
expectMockClientActorMessage(CloseConnection.of(connectionId, dittoHeadersWithCorrelationId));
mockClientActorProbe.reply(new Status.Success("mock"));
clientActorWatcher.expectTerminated(clientActor, FiniteDuration.apply(3, TimeUnit.SECONDS));
testProbe.expectMsg(DeleteConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
testProbe.expectTerminated(underTest, FiniteDuration.apply(3, TimeUnit.SECONDS));
}
@Test
public void manageConnectionWith2Clients() throws Exception {
startSecondActorSystemAndJoinCluster();
ConnectionPubSub.get(actorSystemResource1.getActorSystem())
.subscribe(connectionId, mockClientActorProbe.ref(), false)
.toCompletableFuture()
.join();
mockClientActorProbe.setAutoPilot(new TestActor.AutoPilot() {
@Override
public TestActor.AutoPilot run(final ActorRef sender, final Object msg) {
if (msg instanceof WithSender<?> withSender && withSender.getMessage() instanceof OpenConnection) {
sender.tell(new Status.Success("connected"), mockClientActorProbe.ref());
}
return keepRunning();
}
});
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
final var connectionWatcher = actorSystemResource1.newTestProbe();
connectionWatcher.watch(underTest);
// create closed connection
underTest.tell(createConnection(closedConnectionWith2Clients), testProbe.ref());
testProbe.expectMsgClass(CreateConnectionResponse.class);
// open connection: only local client actor is asked for a response.
underTest.tell(OpenConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
gossipProbe.expectMsgClass(ActorRef.class);
gossipProbe.expectMsgClass(ActorRef.class);
// handled by autopilot and response is received by sender
testProbe.expectMsgClass(OpenConnectionResponse.class);
// forward signal once
final CreateSubscription createSubscription = CreateSubscription.of(DittoHeaders.newBuilder()
.putHeader(DittoHeaderDefinition.DITTO_SUDO.getKey(), "true")
.build());
underTest.tell(createSubscription, testProbe.ref());
mockClientActorProbe.fishForMessage(
FiniteDuration.apply(30, TimeUnit.SECONDS),
"WithSender",
PartialFunction.fromFunction(msg -> msg instanceof CreateSubscription)
);
// close connection: at least 1 client actor gets the command; the other may or may not be started.
final CloseConnection closeConnection = CloseConnection.of(connectionId, dittoHeadersWithCorrelationId);
underTest.tell(closeConnection, testProbe.ref());
for (int i = 0; i < 2; ++i) {
expectMockClientActorMessage(closeConnection);
mockClientActorProbe.reply(new Status.Success("mock"));
}
testProbe.expectMsg(CloseConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
// delete connection
underTest.tell(DeleteConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
connectionWatcher.expectTerminated(underTest, FiniteDuration.apply(5, TimeUnit.SECONDS));
testProbe.expectMsg(DeleteConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
}
private void startSecondActorSystemAndJoinCluster() throws Exception {
final var latch = new CountDownLatch(2);
final var cluster1 = Cluster.get(actorSystemResource1.getActorSystem());
final var cluster2 = Cluster.get(actorSystemResource2.getActorSystem());
cluster1.registerOnMemberUp(latch::countDown);
cluster2.registerOnMemberUp(latch::countDown);
cluster1.join(cluster1.selfAddress());
cluster2.join(cluster1.selfAddress());
latch.await();
}
@Test
public void createConnectionAfterDeleted() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
final var clientWatcher = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
final var clientActor = clientWatcher.watch(gossipProbe.expectMsgClass(ActorRef.class));
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
// delete connection
underTest.tell(DeleteConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
expectMockClientActorMessage(CloseConnection.of(connectionId, dittoHeadersWithCorrelationId));
mockClientActorProbe.reply(new Status.Success("mock"));
clientWatcher.expectTerminated(clientActor, FiniteDuration.apply(3, "s"));
testProbe.expectMsg(DeleteConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
// create connection again (while ConnectionActor is in deleted state)
underTest.tell(createConnection(), testProbe.ref());
gossipProbe.expectMsgClass(ActorRef.class); // expect client actor recreated
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
}
@Test
public void openConnectionAfterDeletedFails() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
// delete connection
underTest.tell(DeleteConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
expectMockClientActorMessage(CloseConnection.of(connectionId, dittoHeadersWithCorrelationId));
mockClientActorProbe.reply(new Status.Success("mock"));
testProbe.expectMsg(DeleteConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
// open connection should fail
underTest.tell(OpenConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
testProbe.expectMsg(ConnectionNotAccessibleException.newBuilder(connectionId).build());
}
@Test
public void createConnectionInClosedState() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(closedConnection), testProbe.ref());
testProbe.expectMsg(createConnectionResponse(closedConnection));
// assert that client actor is not called for closed connection
mockClientActorProbe.expectNoMessage();
}
@Test
public void createClosedConnectionWithUnknownHost() {
final var createClosedConnectionWithUnknownHost = CreateConnection.of(
ConnectivityModelFactory.newConnectionBuilder(closedConnection).uri("amqp://invalid:1234").build(),
dittoHeadersWithCorrelationId
);
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
underTest.tell(createClosedConnectionWithUnknownHost, testProbe.ref());
final var connectionConfigurationInvalidException =
testProbe.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(connectionConfigurationInvalidException)
.hasMessageContaining("The configured host 'invalid' is invalid");
// assert that client actor is not called for closed connection
mockClientActorProbe.expectNoMessage();
}
@Test
public void testConnectionWithUnknownHost() {
final var testConnectionWithUnknownHost = TestConnection.of(
ConnectivityModelFactory.newConnectionBuilder(closedConnection).uri("amqp://invalid:1234").build(),
dittoHeadersWithCorrelationId
);
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
underTest.tell(testConnectionWithUnknownHost, testProbe.ref());
final var connectionConfigurationInvalidException =
testProbe.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(connectionConfigurationInvalidException)
.hasMessageContaining("The configured host 'invalid' is invalid");
// assert that client actor is not called for closed connection
mockClientActorProbe.expectNoMessage();
}
@Test
public void modifyClosedConnectionWithUnknownHost() {
// connection is created with a valid host/IP
final var createClosedConnectionWithValidHost = CreateConnection.of(
ConnectivityModelFactory.newConnectionBuilder(closedConnection).uri("amqp://8.8.8.8:1234").build(),
dittoHeadersWithCorrelationId
);
// later modified with an invalid host
final var modifyClosedConnectionWithInvalidHost = ModifyConnection.of(
ConnectivityModelFactory.newConnectionBuilder(createClosedConnectionWithValidHost.getConnection())
.uri("amqp://invalid:1234")
.build(),
dittoHeadersWithCorrelationId
);
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
underTest.tell(createClosedConnectionWithValidHost, testProbe.ref());
testProbe.expectMsgClass(CreateConnectionResponse.class);
underTest.tell(modifyClosedConnectionWithInvalidHost, testProbe.ref());
final var connectionConfigurationInvalidException =
testProbe.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(connectionConfigurationInvalidException)
.hasMessageContaining("The configured host 'invalid' is invalid");
// assert that client actor is not called for closed connection
mockClientActorProbe.expectNoMessage();
}
@Test
public void createClosedConnectionWithBlockedHost() {
final var createClosedConnectionWithBlockedHost = CreateConnection.of(
ConnectivityModelFactory.newConnectionBuilder(closedConnection).uri("amqp://127.0.0.2:1234").build(),
dittoHeadersWithCorrelationId
);
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
underTest.tell(createClosedConnectionWithBlockedHost, testProbe.ref());
final var connectionConfigurationInvalidException =
testProbe.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(connectionConfigurationInvalidException)
.hasMessageContaining("The configured host '127.0.0.2' may not be used for the connection");
// assert that client actor is not called for closed connection
mockClientActorProbe.expectNoMessage();
}
@Test
public void testConnectionWithBlockedHost() {
final var testConnectionWithBlockedHost = TestConnection.of(
ConnectivityModelFactory.newConnectionBuilder(closedConnection).uri("amqp://127.0.0.2:1234").build(),
dittoHeadersWithCorrelationId);
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
underTest.tell(testConnectionWithBlockedHost, testProbe.ref());
final var connectionConfigurationInvalidException =
testProbe.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(connectionConfigurationInvalidException)
.hasMessageContaining("The configured host '127.0.0.2' may not be used for the connection");
// assert that client actor is not called for closed connection
mockClientActorProbe.expectNoMessage();
}
@Test
public void modifyClosedConnectionWithBlockedHost() {
// connection is created with a valid host/IP
final var createClosedConnectionWithValidHost = CreateConnection.of(
ConnectivityModelFactory.newConnectionBuilder(closedConnection).uri("amqp://8.8.8.8:1234").build(),
dittoHeadersWithCorrelationId
);
// later modified with a blocked host
final var modifyClosedConnectionWithBlockedHost = ModifyConnection.of(
ConnectivityModelFactory.newConnectionBuilder(createClosedConnectionWithValidHost.getConnection())
.uri("amqp://127.0.0.2:1234")
.build(),
dittoHeadersWithCorrelationId
);
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
underTest.tell(createClosedConnectionWithValidHost, testProbe.ref());
testProbe.expectMsgClass(CreateConnectionResponse.class);
underTest.tell(modifyClosedConnectionWithBlockedHost, testProbe.ref());
final var connectionConfigurationInvalidException =
testProbe.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(connectionConfigurationInvalidException)
.hasMessageContaining("The configured host '127.0.0.2' may not be used for the connection");
// assert that client actor is not called for closed connection
mockClientActorProbe.expectNoMessage();
}
@Test
public void modifyConnectionInClosedState() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
final var clientWatcher = actorSystemResource1.newTestProbe();
final var clientActor = clientWatcher.watch(gossipProbe.expectMsgClass(ActorRef.class));
// close connection
final var closeConnection = CloseConnection.of(connectionId, dittoHeadersWithCorrelationId);
underTest.tell(closeConnection, testProbe.ref());
expectMockClientActorMessage(closeConnection);
mockClientActorProbe.reply(new Status.Success("mock"));
clientWatcher.expectTerminated(clientActor, FiniteDuration.apply(3, "s"));
testProbe.expectMsg(CloseConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
// modify connection
underTest.tell(ModifyConnection.of(closedConnection, dittoHeadersWithCorrelationId), testProbe.ref());
// client actor is not informed about modification as it is not started
mockClientActorProbe.expectNoMessage(FiniteDuration.apply(3, TimeUnit.SECONDS));
testProbe.expectMsg(ModifyConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
}
@Test
public void retrieveMetricsInClosedStateDoesNotStartClientActor() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
// create connection
underTest.tell(createConnection(closedConnection), testProbe.ref());
testProbe.expectMsg(createConnectionResponse(closedConnection));
mockClientActorProbe.expectNoMessage();
// retrieve metrics
underTest.tell(RetrieveConnectionMetrics.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
mockClientActorProbe.expectNoMessage();
final var metricsResponse =
RetrieveConnectionMetricsResponse.getBuilder(connectionId, dittoHeadersWithCorrelationId)
.connectionMetrics(ConnectivityModelFactory.emptyConnectionMetrics())
.sourceMetrics(ConnectivityModelFactory.emptySourceMetrics())
.targetMetrics(ConnectivityModelFactory.emptyTargetMetrics())
.build();
testProbe.expectMsg(metricsResponse);
}
@Test
public void modifyConnectionClosesAndRestartsClientActor() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
final var clientWatcher = actorSystemResource1.newTestProbe();
final var firstClientActor = clientWatcher.watch(gossipProbe.expectMsgClass(ActorRef.class));
// modify connection | Implicitly validates the restart by waiting for pubsub subscribe from client actor.
final var newHeaders = refresh(dittoHeadersWithCorrelationId);
underTest.tell(ModifyConnection.of(connection, newHeaders), testProbe.ref());
expectMockClientActorMessage(CloseConnection.of(connectionId, newHeaders));
mockClientActorProbe.reply(new Status.Success("mock"));
clientWatcher.expectTerminated(firstClientActor, FiniteDuration.apply(3, "s"));
// and sends an open connection (if desired state is open). Since logging is enabled from creation
// enabledConnectionLogs is also expected
gossipProbe.expectMsgClass(ActorRef.class);
simulateSuccessfulOpenConnectionInClientActor(newHeaders);
// eventually the response is sent
testProbe.expectMsg(ModifyConnectionResponse.of(connectionId, newHeaders));
}
@Test
public void recoverOpenConnection() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
testProbe.expectMsg(createConnectionResponse());
// wait for open connection of initial creation
simulateSuccessfulOpenConnectionInClientActor();
// stop actor
actorSystemResource1.stopActor(underTest);
testProbe.expectTerminated(underTest, FiniteDuration.apply(3, TimeUnit.SECONDS));
// recover actor
final var recoveredActor = Retry.untilSuccess(this::createSupervisor);
recoveredActor.tell(PingCommand.of(connectionId, null, null), null);
expectMockClientActorMessage(OpenConnection.of(connectionId, DittoHeaders.empty()));
Awaitility.await().untilAsserted(() -> {
recoveredActor.tell(RetrieveConnectionStatus.of(connectionId, dittoHeadersWithCorrelationId),
testProbe.ref());
expectMockClientActorMessage(RetrieveConnectionStatus.class);
final ActorRef lastSender = mockClientActorProbe.lastSender();
lastSender.tell(ConnectivityModelFactory.newClientStatus("client1",
ConnectivityStatus.OPEN, RecoveryStatus.SUCCEEDED, "connection is open",
TestConstants.INSTANT),
mockClientActorProbe.ref());
// simulate consumer and pusblisher actor response
lastSender.tell(ConnectivityModelFactory.newSourceStatus("client1",
ConnectivityStatus.OPEN, "source1", "consumer started"),
mockClientActorProbe.ref());
lastSender.tell(ConnectivityModelFactory.newSourceStatus("client1",
ConnectivityStatus.OPEN, "source2", "consumer started"),
mockClientActorProbe.ref());
lastSender.tell(ConnectivityModelFactory.newTargetStatus("client1",
ConnectivityStatus.OPEN, "target1", "publisher started"),
mockClientActorProbe.ref());
lastSender.tell(ConnectivityModelFactory.newTargetStatus("client1",
ConnectivityStatus.OPEN, "target2", "publisher started"),
mockClientActorProbe.ref());
lastSender.tell(ConnectivityModelFactory.newTargetStatus("client1",
ConnectivityStatus.OPEN, "target3", "publisher started"),
mockClientActorProbe.ref());
testProbe.expectMsg(retrieveConnectionStatusResponse());
});
}
@Test
public void recoverModifiedConnection() {
var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
// modify connection
final var modifiedConnection = ConnectivityModelFactory.newConnectionBuilder(connection)
.failoverEnabled(false)
.targets(Collections.singletonList(TestConstants.Targets.MESSAGE_TARGET))
.build();
underTest.tell(ModifyConnection.of(modifiedConnection, dittoHeadersWithCorrelationId), testProbe.ref());
expectMockClientActorMessage(CloseConnection.of(connectionId, dittoHeadersWithCorrelationId));
mockClientActorProbe.reply(new Status.Success("mock"));
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(ModifyConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
// stop actor
actorSystemResource1.stopActor(underTest);
testProbe.expectTerminated(underTest, FiniteDuration.apply(3, TimeUnit.SECONDS));
// recover actor
underTest = createSupervisor();
// retrieve connection status
underTest.tell(RetrieveConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
testProbe.expectMsg(RetrieveConnectionResponse.of(modifiedConnection.toJson(), dittoHeadersWithCorrelationId));
}
@Test
public void recoverClosedConnection() {
var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
// close connection
final var closeConnection = CloseConnection.of(connectionId, dittoHeadersWithCorrelationId);
underTest.tell(closeConnection, testProbe.ref());
expectMockClientActorMessage(closeConnection);
mockClientActorProbe.reply(new Status.Success("mock"));
testProbe.expectMsg(CloseConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
// stop actor
actorSystemResource1.stopActor(underTest);
testProbe.expectTerminated(underTest, FiniteDuration.apply(3, TimeUnit.SECONDS));
// recover actor
underTest = Retry.untilSuccess(this::createSupervisor);
// retrieve connection status
underTest.tell(RetrieveConnectionStatus.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
final var response = testProbe.expectMsgClass(FiniteDuration.apply(20L, TimeUnit.SECONDS),
RetrieveConnectionStatusResponse.class);
assertThat((Object) response.getConnectionStatus()).isEqualTo(ConnectivityStatus.CLOSED);
assertThat(response.getSourceStatus()).isEmpty();
assertThat(response.getTargetStatus()).isEmpty();
assertThat(response.getClientStatus())
.hasSize(1)
.first()
.satisfies(clientStatus -> {
assertThat((CharSequence) clientStatus.getStatus()).isEqualTo(ConnectivityStatus.CLOSED);
assertThat(clientStatus.getStatusDetails())
.hasValue(String.format("[%s] connection is closed", BaseClientState.DISCONNECTED));
});
}
@Test
public void recoverDeletedConnection() {
var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
// delete connection
underTest.tell(DeleteConnection.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
expectMockClientActorMessage(CloseConnection.of(connectionId, dittoHeadersWithCorrelationId));
mockClientActorProbe.reply(new Status.Success("mock"));
testProbe.expectMsg(DeleteConnectionResponse.of(connectionId, dittoHeadersWithCorrelationId));
testProbe.expectTerminated(underTest, FiniteDuration.apply(3, TimeUnit.SECONDS));
// recover actor
underTest = Retry.untilSuccess(this::createSupervisor);
// retrieve connection status
underTest.tell(RetrieveConnectionStatus.of(connectionId, dittoHeadersWithCorrelationId), testProbe.ref());
testProbe.expectMsg(ConnectionNotAccessibleException.newBuilder(connectionId).build());
}
@Test
public void exceptionDuringClientActorPropsCreation() {
final var connectionShardName = "connection";
final var testProbe = actorSystemResource1.newTestProbe();
final var supervisor = actorSystemResource1.newTestProbe();
final var clientShardRegion =
TestConstants.createClientActorShardRegion(actorSystemResource1.getActorSystem(),
supervisor.testActorName() + "/" + connectionShardName);
final var connectionActorProps = ConnectionPersistenceActor.props(
TestConstants.createRandomConnectionId(), commandForwarderActor, pubSubMediatorProbe.ref(),
ConfigFactory.empty(),
clientShardRegion);
final var connectionActorRef = supervisor.childActorOf(connectionActorProps, "connection");
// create connection
final CreateConnection createConnection = createConnection();
final var headersIndicatingException = createConnection.getDittoHeaders().toBuilder()
.putHeader("should-throw-exception", "true")
.build();
connectionActorRef.tell(createConnection.setDittoHeaders(headersIndicatingException), testProbe.ref());
// expect ConnectionConfigurationInvalidException as response
final Exception exception = testProbe.expectMsgClass(ConnectionConfigurationInvalidException.class);
assertThat(exception).hasMessageContaining("validation failed...");
// supervisor gets passivate indicator because of internal failure
supervisor.expectMsg(AbstractPersistenceSupervisor.Control.PASSIVATE);
// connection actor will stop after activity check.
}
@Test
public void exceptionDueToCustomValidator() {
final var connectionShardName = "connection";
final var testProbe = actorSystemResource1.newTestProbe();
final var parent = actorSystemResource1.newTestProbe();
final var clientShardRegion =
TestConstants.createClientActorShardRegion(actorSystemResource1.getActorSystem(),
parent.testActorName() + "/" + connectionShardName);
final var connectionActorProps = ConnectionPersistenceActor.props(TestConstants.createRandomConnectionId(),
commandForwarderActor,
pubSubMediatorProbe.ref(),
ConfigFactory.empty(), clientShardRegion);
final var connectionActorRef = parent.childActorOf(connectionActorProps, connectionShardName);
// create connection
final CreateConnection createConnection = createConnection();
final var headersIndicatingException = createConnection.getDittoHeaders().toBuilder()
.putHeader("validator-should-throw-exception", "true")
.build();
connectionActorRef.tell(createConnection.setDittoHeaders(headersIndicatingException), testProbe.ref());
// expect ConnectionUnavailableException as response
final var exception = testProbe.expectMsgClass(ConnectionUnavailableException.class);
assertThat(exception).hasMessageContaining("not valid");
// supervisor gets passivate indicator because of internal failure
parent.expectMsg(AbstractPersistenceSupervisor.Control.PASSIVATE);
// do not expect passivation; it only happens for graceful shutdown.
}
@Test
public void testResetConnectionMetrics() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection
underTest.tell(createConnection(), testProbe.ref());
simulateSuccessfulOpenConnectionInClientActor();
testProbe.expectMsg(createConnectionResponse());
// reset metrics
final var resetConnectionMetrics = ResetConnectionMetrics.of(connectionId, dittoHeadersWithCorrelationId);
underTest.tell(resetConnectionMetrics, testProbe.ref());
expectMockClientActorMessage(resetConnectionMetrics);
testProbe.expectMsg(ResetConnectionMetricsResponse.of(connectionId, dittoHeadersWithCorrelationId));
}
@Test
public void testConnectionActorRespondsToCleanupCommand() {
final var underTest = createSupervisor();
final var testProbe = actorSystemResource1.newTestProbe();
testProbe.watch(underTest);
// create connection