private IAggregator <Book> PrepareAggregator(Book[] books)
{
var aggregator = new BookAggregator(mockedDataWriter.Object, ChannelId, InstrumentName);
aggregator.GetSnapshot(books);
mockedDataWriter.ResetCalls();
return(aggregator);
}
public void SnapshotTest()
{
var books = BookGenerator.GenerateBooks(13, 100);
var bestBid = books.BestBid();
var bestAsk = books.BestAsk();
var aggregator = new BookAggregator(mockedDataWriter.Object, ChannelId, InstrumentName);
mockedDataWriter
.Setup(d => d.Write(It.IsAny <ResultData>()))
.Callback((ResultData data) =>
{
Assert.Equal(data.InstrumentName, InstrumentName);
Assert.Equal(data.BestAsk, bestAsk);
Assert.Equal(data.BestBid, bestBid);
});
aggregator.GetSnapshot(books);
mockedDataWriter.Verify(d => d.Write(It.IsAny <ResultData>()), Times.Once);
mockedDataWriter.ResetCalls();
}