public void GetTrendRangeById_ReturnsNull_IfThereIsNoTrendlineWithSuchId()
{
//Arrange
EFTrendlineRepository repository = new EFTrendlineRepository();
TrendRangeDto[] ranges = getDefaultTrendRangeDtosArray();
clearTrendRangesTables();
repository.UpdateTrendRanges(ranges);
//Act
TrendRangeDto resultDto = repository.GetTrendRangeById(50);
//Assert
Assert.IsNull(resultDto);
}
public void GetTrendRangeById_ReturnsProperTrendlineDto_IfExists()
{
//Arrange
EFTrendlineRepository repository = new EFTrendlineRepository();
List <TrendRangeDto> trendBreaks = new List <TrendRangeDto>();
TrendRangeDto expectedDto = getDefaultTrendRangeDto();
trendBreaks.AddRange(new TrendRangeDto[] { expectedDto });
clearTrendRangesTables();
repository.UpdateTrendRanges(trendBreaks);
//Act
TrendRangeDto resultDto = repository.GetTrendRangeById(expectedDto.Id);
//Assert
var areEqual = expectedDto.Equals(resultDto);
Assert.IsTrue(areEqual);
}