public void ShouldGetWiderBatchDateRange()
{
var range = new BatchDateRange(
DateTimeExtensions.CreateNodaTime(2019, 2, 10, 0, 0, 0),
DateTimeExtensions.CreateNodaTime(2019, 2, 16, 23, 59, 59));
var service = new BatchNumberService();
var widerRange = service.GetWiderBatchDateRange(range);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 2, 9, 23, 45, 0), widerRange.Start);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 2, 17, 0, 14, 59), widerRange.End);
}
public void ShouldNotNeedManyServices_WhenDummyDownloaderImplementation()
{
string seriesDir = Path.Combine(Environment.CurrentDirectory,
"tests", "ShouldNotNeedManyServices_WhenDummyDownloaderImplementation");
var batchNumberService = new BatchNumberService();
CancellationTokenSource cts = new CancellationTokenSource();
var downloader = new SingleInstrumentDownloadServiceDryRun(batchNumberService);
var service = new HistoricalPricesDownloadService(downloader);
var instruments = new string[] { "BTC_USD", "ETC_USD" };
service.DownloadAndSave(instruments, 12, seriesDir, cts.Token);
Assert.False(File.Exists(Path.Combine(seriesDir, "12", "BTC_USD.csv")));
Assert.False(File.Exists(Path.Combine(seriesDir, "12", "ETC_USD.csv")));
}
public void ShouldReturnValidBatchNumberToBeDownloaded()
{
var service = new BatchNumberService();
int batchNumber = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2000, 2, 19, 1, 1, 1));
Assert.Equal(0, batchNumber);
// the first batch data range has not yet passed
int batchNumber0 = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 2, 16, 23, 59, 59));
Assert.Equal(0, batchNumber0);
// batch1 == DateTimeExtensions.CreateNodaTime(2019,2,10,0,0,0), DateTimeExtensions.CreateNodaTime(2019,2,16,23,59,59), so dates that will
// result in getting this batch are: DateTimeExtensions.CreateNodaTime(2019,2,17,0,0,0) to DateTimeExtensions.CreateNodaTime(2019,2,23,23,59,59)
int batchNumber1a = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 2, 17, 0, 0, 0));
Assert.Equal(1, batchNumber1a);
int batchNumber1 = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 2, 19, 1, 1, 1));
Assert.Equal(1, batchNumber1);
int batchNumber2 = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 2, 23, 1, 1, 1));
Assert.Equal(1, batchNumber2);
int batchNumber2a = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 2, 23, 23, 59, 59));
Assert.Equal(1, batchNumber2a);
// batch2 == DateTimeExtensions.CreateNodaTime(2019,2,17,0,0,0), DateTimeExtensions.CreateNodaTime(2019,2,23,23,59,59)
// result in getting this batch are: DateTimeExtensions.CreateNodaTime(2019,2,24,0,0,0) to DateTimeExtensions.CreateNodaTime(2019,3,2,23,59,59)
int batchNumber3 = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 2, 24, 1, 1, 1));
Assert.Equal(2, batchNumber3);
int batchNumber4 = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 2, 25, 1, 1, 1));
Assert.Equal(2, batchNumber4);
int batchNumber5 = service.GetBatchNumberToBeDownloaded(DateTimeExtensions.CreateNodaTime(2019, 3, 4, 1, 1, 1));
Assert.Equal(3, batchNumber5);
}
public void ShouldReturnValidDataRange()
{
var service = new BatchNumberService();
var range = service.GetDataRange(1);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 2, 10, 0, 0, 0), range.Start);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 2, 16, 23, 59, 59), range.End);
var range1 = service.GetDataRange(2);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 2, 17, 0, 0, 0), range1.Start);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 2, 23, 23, 59, 59), range1.End);
var range2 = service.GetDataRange(3);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 2, 24, 0, 0, 0), range2.Start);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 3, 2, 23, 59, 59), range2.End);
var range12 = service.GetDataRange(12);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 4, 28, 0, 0, 0), range12.Start);
Assert.Equal(DateTimeExtensions.CreateNodaTime(2019, 5, 4, 23, 59, 59), range12.End);
}
public void ShouldInvokeExchangeWithCorrectDateRanges()
{
string seriesDir = Path.Combine(Environment.CurrentDirectory, "tests", "ShouldInvokeExchangeWithCorrectDateRanges");
Mock <IExchange> exchangeService = new Mock <IExchange>(MockBehavior.Loose);
var batchNumberService = new BatchNumberService();
var filePathService = new FilePathService();
CancellationTokenSource cts = new CancellationTokenSource();
Mock <IEventSavingService> savingService = new Mock <IEventSavingService>(MockBehavior.Loose);
var downloader = new SingleInstrumentDownloadService(exchangeService.Object,
batchNumberService, filePathService, savingService.Object);
var service = new HistoricalPricesDownloadService(downloader);
var instruments = new string[] { "BTC_USD", "ETC_USD" };
service.DownloadAndSave(instruments, 12, seriesDir, cts.Token);
exchangeService.Verify(
g => g.GetHistoricalPrices("BTC_USD", 300,
// batch12 start - 15 minutes
DateTimeExtensions.CreateNodaTime(2019, 4, 27, 23, 45, 0),
// batch12 end + 15 minutes
DateTimeExtensions.CreateNodaTime(2019, 5, 5, 0, 14, 59)
),
Times.Exactly(1)
);
exchangeService.Verify(
g => g.GetHistoricalPrices("ETC_USD", 300,
DateTimeExtensions.CreateNodaTime(2019, 4, 27, 23, 45, 0),
DateTimeExtensions.CreateNodaTime(2019, 5, 5, 0, 14, 59)
),
Times.Exactly(1)
);
exchangeService.VerifyNoOtherCalls();
Assert.False(File.Exists(Path.Combine(seriesDir, "12", "BTC_USD.csv")));
}