public void GetLatestTradeDate_WhenRepositoryHasNoTradeDates_ApplicationErrorFailureIsReturned()
{
// Arrange
Mock <ITradeDateRepository> tradeDateRepository = new Mock <ITradeDateRepository>();
tradeDateRepository.Setup(r => r.GetLatestTradeDate())
.Returns(Maybe.Create <TradeDate>(null));
// Act
TradeDateService service = new TradeDateService(tradeDateRepository.Object);
var result = service.GetLatestTradeDate();
// Assert
result.IsSuccess.Should().BeFalse();
result.Value.Should().BeNull();
result.Error.Should().BeOfType <ApplicationError>();
}
public void GetLatestTradeDate_WhenRepositoryReturnsLatestTradeDate_ItIsReturned()
{
// Arrange
Mock <ITradeDateRepository> tradeDateRepository = new Mock <ITradeDateRepository>();
TradeDate tradeDate = new TradeDate(new DateTime(2018, 12, 31), true, true, true);
tradeDateRepository.Setup(r => r.GetLatestTradeDate())
.Returns(Maybe.Create <TradeDate>(tradeDate));
// Act
TradeDateService service = new TradeDateService(tradeDateRepository.Object);
var result = service.GetLatestTradeDate();
// Assert
result.IsSuccess.Should().BeTrue();
result.Value.Should().Be(tradeDate);
}