public async Task GenerateIntradayReportAsync_TransitionToSummerTime(ITradingDataAdapter tradingDataAdapter)
{
// arrange
var reportRepository = new ReportRepository(tradingDataAdapter);
var csvService = new CsvService();
var reportService = new IntradayReportServiceImpl(reportRepository, csvService);
// act
string csv = null;
using (MemoryStream ms = new MemoryStream())
{
await reportService.GenerateIntradayReportAsync(_utcDateOfTransitionToSummerTime, _csvSettings, ms);
ms.Seek(0, SeekOrigin.Begin);
csv = new StreamReader(ms, Encoding.UTF8).ReadToEnd();
}
// assert:
csv.Should().NotBeNullOrEmpty();
var csvRows = csv.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
// Spec.: "CSV should only contain local time, use the GMT time zone periods as the number in the CSV (23 in this case)"
csvRows.Length.Should().Be(23 + 1); // data rows + header row
// Check that report doesn't contain 1am period
DateTime excludedPeriodDate = new DateTime(2020, 3, 29, 1, 0, 0);
Assert.IsTrue(!csvRows.Any(r => r.Contains(excludedPeriodDate.ToString(_csvSettings.TimeFormat))));
}
public ReportRepository(ITradingDataAdapter tradingDataAdapter)
{
if (tradingDataAdapter == null)
{
throw new ArgumentNullException(nameof(tradingDataAdapter));
}
_tradingDataAdapter = tradingDataAdapter;
}
public async Task GenerateIntradayReportAsync_TransitionToWinterTime(ITradingDataAdapter tradingDataAdapter,
double?volumeValueFor1amUtc, double?volumeValueFor2amUtc)
{
// arrange
var reportRepository = new ReportRepository(tradingDataAdapter);
var csvService = new CsvService();
var reportService = new IntradayReportServiceImpl(reportRepository, csvService);
// act
string csv = null;
using (MemoryStream ms = new MemoryStream())
{
await reportService.GenerateIntradayReportAsync(_utcDateOfTransitionToWinterTime, _csvSettings, ms);
ms.Seek(0, SeekOrigin.Begin);
csv = new StreamReader(ms, Encoding.UTF8).ReadToEnd();
}
// assert:
csv.Should().NotBeNullOrEmpty();
var csvRows = csv.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
// Spec.: "CSV should only contain local time, use the GMT time zone periods as the number in the CSV (25 in this case)"
csvRows.Length.Should().Be(25 + 1); // data rows + header row
// Check that report contains two local 1am periods
DateTime repeatedPeriodDate = new DateTime(2020, 3, 29, 1, 0, 0);
var rowsForRepeatedPeriod = csvRows
.Where(r => r.Contains(repeatedPeriodDate.ToString(_csvSettings.TimeFormat)))
.ToArray();
rowsForRepeatedPeriod.Length.Should().Be(2);
// for mock data we can check additional system behavior
if (volumeValueFor1amUtc != null && volumeValueFor2amUtc != null)
{
// Check that repeated rows contains valid Volume values (for 1am and for 2am UTC period)
Assert.IsTrue(rowsForRepeatedPeriod.Any(r =>
r.Contains(volumeValueFor1amUtc.Value.ToString(_csvSettings.NumberFormat))));
Assert.IsTrue(rowsForRepeatedPeriod.Any(r =>
r.Contains(volumeValueFor2amUtc.Value.ToString(_csvSettings.NumberFormat))));
}
}
