public async Task RunShouldNotUpdateSequenceNumberIfEndOfMessageIsReachedButSequenceNumberIsNull(
byte[] bytes,
int sequenceNumber,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Frozen, Substitute] ISerializer serializer,
[Target] DefaultGatewayRxWorker worker
)
{
var message = new GatewayMessage {
SequenceNumber = null
};
serializer.Deserialize <GatewayMessage>(Any <Stream>(), Any <CancellationToken>()).Returns(message);
channel.Read(Any <CancellationToken>()).Returns(new GatewayMessageChunk(bytes, bytes.Length, true));
gateway.SequenceNumber = sequenceNumber;
await worker.Start(gateway);
await worker.Run();
gateway.SequenceNumber.Should().Be(sequenceNumber);
}
public async Task RunShouldRouteTheMessageIfEndOfMessageIsReached(
byte[] bytes,
uint interval,
int sequenceNumber,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Frozen, Substitute] ISerializer serializer,
[Frozen, Substitute] IEventRouter router,
[Target] DefaultGatewayRxWorker worker
)
{
var @event = new HelloEvent {
HeartbeatInterval = interval
};
var message = new GatewayMessage {
SequenceNumber = sequenceNumber, Data = @event
};
var cancellationToken = new CancellationToken(false);
serializer.Deserialize <GatewayMessage>(Any <Stream>(), Any <CancellationToken>()).Returns(message);
channel.Read(Any <CancellationToken>()).Returns(new GatewayMessageChunk(bytes, bytes.Length, true));
await worker.Start(gateway);
await worker.Run(cancellationToken);
await router.Received().Route(Is(@event), Is(cancellationToken));
}
public async Task StartShouldStartTheTimer(
[Frozen, Substitute] ITimer timer,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker rxWorker
)
{
await rxWorker.Start(gateway);
await timer.Received().Start();
}
public async Task StartShouldCreateWorkerThread(
[Frozen, Substitute] ITimerFactory timerFactory,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker rxWorker
)
{
var cancellationToken = new CancellationToken(false);
await rxWorker.Start(gateway);
timerFactory.Received().CreateTimer(Is((AsyncTimerCallback)rxWorker.Run), Is(0), Is("Gateway RX"));
}
public async Task RunShouldNotTruncateTheStreamIfEndOfMessageIsNotReached(
byte[] bytes,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker worker
)
{
channel.Read(Any <CancellationToken>()).Returns(new GatewayMessageChunk(bytes, bytes.Length, false));
await worker.Start(gateway);
await worker.Run();
stream.DidNotReceive().SetLength(0);
}
public async Task RunShouldCreateAStream(
byte[] bytes,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker worker
)
{
channel.Read(Any <CancellationToken>()).Returns(new GatewayMessageChunk(bytes, 0, true));
await worker.Start(gateway);
await worker.Run();
factory.Received().CreateStream();
}
public async Task SendShouldThrowIfTheOperationWasCanceled(
string chunk,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker worker
)
{
var message = new GatewayMessageChunk {
Bytes = Encoding.UTF8.GetBytes(chunk)
};
var cancellationToken = new CancellationToken(false);
await worker.Start(gateway);
var operationCancellationToken = new CancellationToken(true);
Func <Task> func = () => worker.Emit(message, operationCancellationToken);
await func.Should().ThrowAsync <OperationCanceledException>();
}
public async Task RunShouldWriteTheBytesToTheStream(
byte[] bytes,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker worker
)
{
var cancellationToken = new CancellationToken(false);
channel.Read(Any <CancellationToken>()).Returns(new GatewayMessageChunk(bytes, bytes.Length, true));
await worker.Start(gateway);
await worker.Run(cancellationToken);
await stream.Received().WriteAsync(Is <ReadOnlyMemory <byte> >(givenBytes => Encoding.UTF8.GetString(bytes) == Encoding.UTF8.GetString(bytes)), Is(cancellationToken));
}
public async Task RunShouldNotReadFromTheChannelIfWaitToReadReturnedFalse(
byte[] bytes,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker worker
)
{
var cancellationToken = new CancellationToken(false);
channel.WaitToRead(Any <CancellationToken>()).Returns(false);
await worker.Start(gateway);
await worker.Run(cancellationToken);
await channel.DidNotReceive().Read(Is(cancellationToken));
}
public async Task EmitShouldEmitTheMessageToTheChannel(
int sequenceNumber,
string chunk,
IGatewayService gateway,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Target] DefaultGatewayRxWorker worker
)
{
var message = new GatewayMessageChunk {
Bytes = Encoding.UTF8.GetBytes(chunk)
};
var cancellationToken = new CancellationToken(false);
await worker.Start(gateway);
await worker.Emit(message, cancellationToken);
await channel.Received().Write(Is(message), Is(cancellationToken));
}
public async Task StartShouldSetupGatewayToRestartOnUnexpectedStops(
[Frozen, Substitute] ITimer timer,
[Frozen, Substitute] IGatewayService gateway,
[Target] DefaultGatewayRxWorker worker
)
{
var cancellationToken = new CancellationToken(false);
var source = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
await worker.Start(gateway);
timer.Received().StopOnException = Is(true);
timer.Received().OnUnexpectedStop = Any <OnUnexpectedTimerStop>();
var arg = (from call in timer.ReceivedCalls()
where call.GetMethodInfo().Name.Contains(nameof(timer.OnUnexpectedStop))
select(OnUnexpectedTimerStop) call.GetArguments()[0]).First();
await arg();
await gateway.Received().Restart();
}
public async Task RunShouldNotDeserializeTheMessageIfEndOfMessageIsNotReached(
byte[] bytes,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Frozen, Substitute] ISerializer serializer,
[Target] DefaultGatewayRxWorker worker
)
{
var cancellationToken = new CancellationToken(false);
channel.Read(Any <CancellationToken>()).Returns(new GatewayMessageChunk(bytes, bytes.Length, false));
await worker.Start(gateway);
await worker.Run(cancellationToken);
await serializer.DidNotReceive().Deserialize <GatewayMessage>(Is(stream), Is(cancellationToken));
}
public async Task RunShouldNotRouteTheMessageIfEndOfMessageIsReachedButEventDataIsNull(
byte[] bytes,
uint interval,
int sequenceNumber,
[Frozen, Substitute] Stream stream,
[Frozen, Substitute] IChannel <GatewayMessageChunk> channel,
[Frozen, Substitute] IGatewayUtilsFactory factory,
[Frozen, Substitute] IGatewayService gateway,
[Frozen, Substitute] ISerializer serializer,
[Frozen, Substitute] IEventRouter router,
[Target] DefaultGatewayRxWorker worker
)
{
channel.Read(Any <CancellationToken>()).Returns(new GatewayMessageChunk(bytes, bytes.Length, true));
await worker.Start(gateway);
await worker.Run();
await router.DidNotReceive().Route(Any <IGatewayEvent>(), Any <CancellationToken>());
}
