public async Task GivenPipedMessages_Observable_PushesParsedMessages()
{
var pipe = new Pipe();
var mockMessageParser = new MockMessageParser();
int messages = 0;
var cancellation = new CancellationTokenSource(TimeSpan.FromSeconds(5));
TaskCompletionSource <bool> taskCompletion = new TaskCompletionSource <bool>();
var uut = new PipeParser <TestTypeParent>(pipe.Reader, mockMessageParser, SupportedFixVersion.Fix44);
uut.Subscribe(parsedObject => messages++, ex => taskCompletion.SetResult(false), () => taskCompletion.SetResult(true));
var listener = Task.Run(() => uut.ListenAsync(cancellation.Token));
// 10 loops to make sure we have more message then the default buffer can hold.
for (int i = 0; i < 10; i++)
{
foreach (var sampleParams in SampleFixMessagesSource.GetTestTypeParentMessageBodies())
{
byte[] msg = new TestFixMessageBuilder(sampleParams[0] as string).Build();
await pipe.Writer.WriteAsync(msg);
}
}
await pipe.Writer.FlushAsync();
pipe.Writer.Complete();
Assert.True(await taskCompletion.Task);
Assert.Equal(10 * SampleFixMessagesSource.GetTestTypeParentMessageBodies().Count(), messages);
await listener;
}
public async Task ParseMultipleMessages()
{
// Construct the pipe
var pipe = new Pipe();
// Create a message parser that can parser bytes into Order
var messageParser = new ParserBuilder <Order>().Build <byte>(new MessageParserOptions()
{
ThrowIfInvalidMessage = false
});
// Create the piped parser, providing the pipe and an IMessageParser
var parser = new PipeParser <Order>(pipe.Reader, messageParser, SupportedFixVersion.Fix44);
// We subscribe to the observable to print the parsed messages
parser.Subscribe(
order => Console.WriteLine($"Order {order.Symbol} - Px {order.Price}, Qty {order.Quantity}"),
ex => Console.WriteLine($"Error: {ex.Message}"));
// We create sample messages and write them into the pipe asnyc
var inputTask = Task.Run(() => CreateSimulatedInput(pipe));
// Start observing and await until all messages observed
await parser.ListenAsync();
// Should be completed by now
await inputTask;
}
public async Task GivenPipedMessage_Observable_PushesParsedMessages()
{
var pipe = new Pipe();
var mockMessageParser = new MockMessageParser();
int messages = 0;
var cancellation = new CancellationTokenSource(TimeSpan.FromSeconds(5));
TaskCompletionSource <bool> taskCompletion = new TaskCompletionSource <bool>();
var uut = new PipeParser <TestTypeParent>(pipe.Reader, mockMessageParser, SupportedFixVersion.Fix44);
uut.Subscribe(parsedObject => messages++, ex => taskCompletion.SetResult(false), () => taskCompletion.SetResult(true));
var listener = Task.Run(() => uut.ListenAsync(cancellation.Token));
byte[] msg = TestFixMessageBuilder.CreateDefaultMessage();
await pipe.Writer.WriteAsync(msg);
await pipe.Writer.FlushAsync();
pipe.Writer.Complete();
Assert.True(await taskCompletion.Task);
Assert.Equal(1, messages);
await listener;
}