public async Task RunShouldEmitMessageChunksToTheRxWorker(
string messageChunk,
[Frozen] CancellationTokenSource cancellationTokenSource,
[Frozen, Options] IOptions <GatewayOptions> options,
[Frozen, Substitute] IClientWebSocket webSocket,
[Frozen, Substitute] IGatewayRxWorker rxWorker,
[Target] DefaultGatewayService gateway
)
{
var buffer = new byte[messageChunk.Length];
var memoryBuffer = new Memory <byte>(buffer);
var cancellationToken = new CancellationToken(false);
gateway.SetPrivateField("buffer", buffer);
gateway.SetPrivateField("memoryBuffer", memoryBuffer);
webSocket.Receive(Any <Memory <byte> >(), Any <CancellationToken>()).Returns(x =>
{
var buffer = x.ArgAt <Memory <byte> >(0);
((Memory <byte>)Encoding.UTF8.GetBytes(messageChunk)).CopyTo(buffer);
return(new ValueWebSocketReceiveResult(messageChunk.Length, WebSocketMessageType.Text, true));
});
await gateway.StartAsync();
await gateway.Run(cancellationToken);
await rxWorker.Received().Emit(
Is <GatewayMessageChunk>(chunk =>
Encoding.UTF8.GetString(chunk.Bytes.ToArray()) == messageChunk &&
chunk.Count == messageChunk.Length &&
chunk.EndOfMessage
),
Is(cancellationToken)
);
}