public void Should_be_notified_about_a_new_established_connection()
{
// Arrange
var haConnectionEstablished = false;
var retryPolicty = Substitute.For <IRetryPolicy>();
var haConnection = new HaConnection(retryPolicty,
Substitute.For <IRabbitWatcher>(),
new List <ManagedConnectionFactory> {
new ManagedConnectionFactory()
});
haConnection.ConnectionFactories.ClearAll();
var f1 = CreateManagedConnectionFactory(5671);
var f2 = CreateManagedConnectionFactory(5672);
var f3 = CreateManagedConnectionFactory(5673);
haConnection.ConnectionFactories.Add(f1);
haConnection.ConnectionFactories.Add(f2);
haConnection.ConnectionFactories.Add(f3);
var durableConnection = new DurableConnection(Substitute.For <IRetryPolicy>(),
Substitute.For <IRabbitWatcher>(),
CreateManagedConnectionFactory(5671));
haConnection.Connected += () => haConnectionEstablished = true;
// Action
durableConnection.Connect();
// Assert
Assert.IsTrue(haConnectionEstablished);
}
public void Should_only_be_notified_about_a_new_established_connection_that_has_the_same_endpoint_and_virtual_host()
{
// Arrange
var connection1Connected = false;
var connection2Connected = false;
var connectionFactory1 = CreateMockConnectionFactory <ManagedConnectionFactory>("/vHost10");
var durableConnection1 = new DurableConnection(Substitute.For <IRetryPolicy>(),
Substitute.For <IRabbitWatcher>(),
connectionFactory1);
durableConnection1.Connected += () => connection1Connected = true;
var connectionFactory2 = CreateMockConnectionFactory <ManagedConnectionFactory>("/vHost11");
var durableConnection2 = new DurableConnection(Substitute.For <IRetryPolicy>(),
Substitute.For <IRabbitWatcher>(),
connectionFactory2);
durableConnection2.Connected += () => connection2Connected = true;
// Action
durableConnection1.Connect();
// Assert
connectionFactory1.Received(1).CreateConnection();
Assert.IsTrue(connection1Connected);
Assert.IsFalse(connection2Connected);
}
public void Should_NOT_close_any_connection()
{
// Arrange
var retryPolicy = Substitute.For <IRetryPolicy>();
var watcher = Substitute.For <IRabbitWatcher>();
IConnection rmqConnection;
var connectionFactory = CreateMockConnectionFactory <ManagedConnectionFactory>("/", out rmqConnection);
var channel = Substitute.For <IModel>();
rmqConnection.CreateModel().Returns(channel);
var durableConnection = new DurableConnection(retryPolicy, watcher, connectionFactory);
var count = ManagedConnectionFactory.SharedConnections.Count;
durableConnection.Connect();
durableConnection.CreateChannel();
Assert.AreEqual(count + 1, ManagedConnectionFactory.SharedConnections.Count);
// Action
durableConnection.Dispose();
//Assert
rmqConnection.DidNotReceive().Close(Arg.Any <ushort>(), Arg.Any <string>());
rmqConnection.DidNotReceive().Dispose();
Assert.AreEqual(count + 1, ManagedConnectionFactory.SharedConnections.Count);
}
public void Should_catch_BrokerUnreachableException()
{
// Arrange
var retryPolicy = Substitute.For <IRetryPolicy>();
var connectionFactory = CreateMockConnectionFactory <ManagedConnectionFactory>("/vHost3");
connectionFactory.When(x => x.CreateConnection())
.Do(callInfo => { throw new BrokerUnreachableException(Substitute.For <Exception>()); });
var durableConnection = new DurableConnection(retryPolicy, Substitute.For <IRabbitWatcher>(), connectionFactory);
// Action
durableConnection.Connect();
// Assert
retryPolicy.Received(1).WaitForNextRetry(Arg.Any <Action>());
}
static void RawConnection()
{
var connector = new ExchangeApi.WebSocket.Connector(ExchangeApi.Coinbase.Instance.Prod.WebSocket);
using (var connection = new DurableConnection <ArraySegment <byte>, ArraySegment <byte> >(connector, new Scheduler()))
{
connection.OnConnection += (IReader <ArraySegment <byte> > reader, IWriter <ArraySegment <byte> > writer) =>
{
writer.Send(Encode("{ \"type\": \"subscribe\", \"product_id\": \"BTC-USD\" }"));
};
connection.OnMessage += (TimestampedMsg <ArraySegment <byte> > msg) =>
{
_log.Info("OnMessage(IsLast={0}): {1} byte(s)", !connection.Scheduler.HasReady(), msg.Value.Count);
};
connection.Connect();
Thread.Sleep(5000);
}
Thread.Sleep(2000);
}
public void Should_fire_connected_event_when_connect_successfully()
{
// Arrange
var are = new AutoResetEvent(false);
var connectionFactory = CreateMockConnectionFactory <ManagedConnectionFactory>("/vHost1");
var durableConnection = new DurableConnection(Substitute.For <IRetryPolicy>(),
Substitute.For <IRabbitWatcher>(),
connectionFactory);
durableConnection.Connected += () => are.Set();
// Action
durableConnection.Connect();
Assert.IsTrue(are.WaitOne(1000));
// Assert
connectionFactory.Received(1).CreateConnection();
Assert.AreEqual(1, ManagedConnectionFactory.SharedConnections.Count);
Assert.IsTrue(connectionFactory.Endpoint.Equals(ManagedConnectionFactory.SharedConnections.First().Value.Endpoint));
}
public void Should_be_called_if_App_is_closed_by_user()
{
// Arrange
var retryPolicy = Substitute.For <IRetryPolicy>();
var watcher = Substitute.For <IRabbitWatcher>();
IConnection rmqConnection;
var connectionFactory = CreateMockConnectionFactory <ManagedConnectionFactory>("/", out rmqConnection);
var durableConnection = new DurableConnection(retryPolicy, watcher, connectionFactory);
durableConnection.Disconnected += () => { };
durableConnection.Connect();
// Action
rmqConnection.ConnectionShutdown += Raise.Event <ConnectionShutdownEventHandler>(rmqConnection, new ShutdownEventArgs(ShutdownInitiator.Application, 0, "Connection disposed by application"));
//Assert
retryPolicy.DidNotReceive().WaitForNextRetry(Arg.Any <Action>());
}
public void Should_try_reconnect_by_retryPolicy_if_Connection_Shutdown_event_was_fired()
{
// Arrange
var retryPolicy = Substitute.For <IRetryPolicy>();
var watcher = Substitute.For <IRabbitWatcher>();
IConnection rmqConnection;
var connectionFactory = CreateMockConnectionFactory <ManagedConnectionFactory>("/", out rmqConnection);
var durableConnection = new DurableConnection(retryPolicy, watcher, connectionFactory);
durableConnection.Disconnected += () => { };
durableConnection.Connect();
Assert.AreEqual(1, ManagedConnectionFactory.SharedConnections.Count);
// Action
rmqConnection.ConnectionShutdown += Raise.Event <ConnectionShutdownEventHandler>(rmqConnection, new ShutdownEventArgs(ShutdownInitiator.Application, 0, "Connection dropped for unknow reason ;)"));
//Assert
Assert.AreEqual(0, ManagedConnectionFactory.SharedConnections.Count);
retryPolicy.Received().WaitForNextRetry(Arg.Any <Action>());
}
public void Should_clear_existing_connection_from_shared_connection_list_then_retry_if_connection_is_dropped_by_peer()
{
// Arrange
var retryPolicy = Substitute.For <IRetryPolicy>();
var watcher = Substitute.For <IRabbitWatcher>();
IConnection rmqConnection;
var connectionFactory = CreateMockConnectionFactory("/", out rmqConnection);
var durableConnection = new DurableConnection(retryPolicy, watcher, connectionFactory);
durableConnection.Disconnected += () => { };
durableConnection.Connect();
Assert.AreEqual(1, DurableConnection.SharedConnections.Count);
// Action
rmqConnection.ConnectionShutdown += Raise.Event <ConnectionShutdownEventHandler>(rmqConnection, new ShutdownEventArgs(ShutdownInitiator.Application, 0, "Connection dropped for unknow reason ;)"));
//Assert
Assert.AreEqual(0, DurableConnection.SharedConnections.Count);
retryPolicy.Received().WaitForNextRetry(Arg.Any <Action>());
}
public void Should_be_notified_about_a_new_established_connection()
{
// Arrange
var connection2Connected = false;
var connectionFactory = CreateMockConnectionFactory <ManagedConnectionFactory>("/vHost9");
var durableConnection1 = new DurableConnection(Substitute.For <IRetryPolicy>(),
Substitute.For <IRabbitWatcher>(),
connectionFactory);
var durableConnection2 = new DurableConnection(Substitute.For <IRetryPolicy>(),
Substitute.For <IRabbitWatcher>(),
connectionFactory);
durableConnection2.Connected += () => connection2Connected = true;
// Action
durableConnection1.Connect();
// Assert
connectionFactory.Received(1).CreateConnection();
Assert.IsTrue(connection2Connected);
}
// See comments in DurableSubscriber.
public void Connect()
{
_connection.Connect();
}
