public void GetTrendlineById_ReturnsNull_IfThereIsNoTrendlineWithSuchId()
{
//Arrange
EFTrendlineRepository repository = new EFTrendlineRepository();
List <TrendlineDto> trendlines = new List <TrendlineDto>();
trendlines.AddRange(new TrendlineDto[] { getDefaultTrendlineDto() });
clearTrendlinesTables();
repository.UpdateTrendlines(trendlines);
//Act
TrendlineDto resultDto = repository.GetTrendlineById(2);
//Assert
Assert.IsNull(resultDto);
}
public void GetTrendlineById_ReturnsProperTrendlineDto_IfExists()
{
//Arrange
EFTrendlineRepository repository = new EFTrendlineRepository();
List <TrendlineDto> trendlines = new List <TrendlineDto>();
TrendlineDto expectedDto = getDefaultTrendlineDto();
trendlines.AddRange(new TrendlineDto[] { expectedDto });
clearTrendlinesTables();
repository.UpdateTrendlines(trendlines);
//Act
TrendlineDto dto = repository.GetTrendlineById(expectedDto.Id);
//Assert
var areEqual = expectedDto.Equals(dto);
Assert.IsTrue(areEqual);
}