public void GetRandomVinyls_TotalVinylsFail_ShouldReturnErrorsFromDataServiceAndNoVinyls()
{
//Arrange
var totalVinylsResult = fixture.Create <ErrorResponse <int> >();
vinylDataServiceMock.GetTotalVinyls().Returns(totalVinylsResult);
//Act
var serviceResult = vinylService.GetRandomVinyls(4);
//Assert
Assert.IsNull(serviceResult.Response);
Assert.IsFalse(serviceResult.IsSucces);
CollectionAssert.AreEquivalent(totalVinylsResult.ErrorMessages, serviceResult.ErrorMessages);
}
public ServiceResponse <List <Models.Vinyl> > GetRandomVinyls(int numberOfVinyls)
{
var totalVinylsResponse = dataService.GetTotalVinyls();
if (!totalVinylsResponse.IsSucces)
{
return(new ErrorResponse <List <Models.Vinyl> >(totalVinylsResponse.ErrorMessages));
}
Random rand = new Random();
List <int> selectedRandomIndexes = new List <int>();
int number;
for (int i = 0; i < numberOfVinyls; i++)
{
do
{
number = rand.Next(1, totalVinylsResponse.Response);
} while (selectedRandomIndexes.Contains(number));
selectedRandomIndexes.Add(number);
}
var randomVinyls = dataService.GetVinylsByIndex(selectedRandomIndexes).Result;
if (!randomVinyls.IsSucces)
{
return(new ErrorResponse <List <Models.Vinyl> >(randomVinyls.ErrorMessages));
}
return(new SuccesResponse <List <Models.Vinyl> >(randomVinyls.Response));
}
