public void Execute_RequestsRoundedToIntegers_ResponseIsCorrect(RequestRoot request, List <int> roundedPercentages, ResponseRoot expectedResult)
{
var percentageCalculator = Substitute.For <IPercentageRounder>();
percentageCalculator.Execute(Arg.Any <ICollection <decimal> >()).Returns(roundedPercentages);
var requestHandler = new RequestHandler(percentageCalculator);
var result = requestHandler.Execute(request);
result.Should().BeEquivalentTo(expectedResult);
}
public void Execute_RequestHasZeroDataItems_ReturnsEmptyResponse()
{
var percentageCalculator = Substitute.For <IPercentageRounder>();
var requestHandler = new RequestHandler(percentageCalculator);
var request = new RequestRoot();
var expectedResult = new ResponseRoot();
var response = requestHandler.Execute(request);
response.Should().BeEquivalentTo(expectedResult);
}
public void Execute_Response_Percentages_Add_Up_To_100(List <RequestData> dataList)
{
var percentageRounder = new PercentageRounder();
var requestHandler = new RequestHandler(percentageRounder);
var request = new RequestRoot
{
Decimals = 0,
Data = dataList
};
var result = requestHandler.Execute(request);
result.Data.Sum(x => x.Percentage).Should().Be(100);
}
public void Execute_All_Percentage_Values_Are_Positive(List <RequestData> dataList)
{
var percentageRounder = new PercentageRounder();
var requestHandler = new RequestHandler(percentageRounder);
var request = new RequestRoot
{
Decimals = 0,
Data = dataList
};
var result = requestHandler.Execute(request);
var allPercentagesArePositive = result.Data.All(x => x.Percentage > 0);
allPercentagesArePositive.Should().BeTrue();
}
public void Execute_Largest_Value_Has_The_Largest_Percentage(List <RequestData> dataList)
{
var percentageRounder = new PercentageRounder();
var requestHandler = new RequestHandler(percentageRounder);
var request = new RequestRoot
{
Decimals = 0,
Data = dataList
};
var result = requestHandler.Execute(request);
var dataWithLargestValue = result.Data.OrderByDescending(x => x.Value).First();
var dataWithLargestPercentage = result.Data.OrderByDescending(x => x.Percentage).First();
dataWithLargestValue.Should().Be(dataWithLargestPercentage);
}
