public void Start_SourceReaderThrowException_OnError()
{
//Arrange
var sourceReaderMock = new Mock<ISourceReader<StockQuote>>();
sourceReaderMock.Setup(x => x.Read(It.IsAny<SourceDescriptor>())).Throws(new Exception());
var observerMock = new Mock<IObserver<StockQuote>>();
var stockQuotesStream = new StockQuotesStream(sourceReaderMock.Object);
//Act
stockQuotesStream.Inputs.Subscribe(observerMock.Object);
stockQuotesStream.Start(new SourceDescriptor("test_test.csv"));
//Assert
observerMock.Verify(x => x.OnError(It.IsAny<Exception>()));
}
public void Start_SourceReaderReadNElements_NOnNextAndCompleted()
{
//Arrange
var sourceReaderMock = new Mock<ISourceReader<StockQuote>>();
var stockQuotes = new[] { new StockQuote(), new StockQuote() };
sourceReaderMock.Setup(x => x.Read(It.IsAny<SourceDescriptor>())).Returns(stockQuotes);
var observerMock = new Mock<IObserver<StockQuote>>();
var stockQuotesStream = new StockQuotesStream(sourceReaderMock.Object);
//Act
stockQuotesStream.Inputs.Subscribe(observerMock.Object);
stockQuotesStream.Start(new SourceDescriptor("test_test.csv"));
//Assert
observerMock.Verify(x => x.OnNext(It.IsAny<StockQuote>()), Times.Exactly(stockQuotes.Count()));
observerMock.Verify(x => x.OnCompleted());
}
static void Main(string[] args)
{
BasicConfigurator.Configure();
var directory = "Files";
foreach (var filePath in Directory.EnumerateFiles(directory))
{
var descriptor = new SourceDescriptor(filePath);
var reader = new SourceReader();
var delay = 10;
var inputSource = new StockQuotesStream(reader);
var rocIndex = new RocIndex(delay);
inputSource.Inputs.Subscribe(rocIndex);
var pocket = new Pocket(inputSource.Inputs.Skip(delay), rocIndex.Values.Select(x => x > 0 ? true : false), 1000);
decimal finalValue = 0;
pocket.Money.Subscribe(Console.WriteLine);
inputSource.Start(descriptor);
Console.WriteLine(String.Format("{0}: {1}", Path.GetFileName(filePath), finalValue));
}
}