public void DoAssighment()
{
const string InputLocation = "mockLocation";
Dictionary <int, int> histDummy = new Dictionary <int, int>
{
{ 0, 3 },
{ 1, 1 }
};
double[] testSet = new double[] { 3, 7, 7, 19 };
var dataLoaderMock = new Mock <IDataLoader>();
dataLoaderMock.Setup(n => n.Load(InputLocation)).Returns(testSet);
var statsServiceMock = new Mock <IStatsService>();
statsServiceMock.Setup(n => n.CalcArithmeticMean(testSet)).Returns(9);
statsServiceMock.Setup(n => n.CalcStandardDeviation(testSet)).Returns(6);
statsServiceMock.Setup(n => n.GetHistogram(testSet)).Returns(histDummy);
IAssignmentService service = new AssignmentService(dataLoaderMock.Object, statsServiceMock.Object);
service.DoAssignment(InputLocation);
dataLoaderMock.Verify(m => m.Load(InputLocation));
statsServiceMock.Verify(n => n.CalcArithmeticMean(testSet));
statsServiceMock.Verify(n => n.CalcStandardDeviation(testSet));
statsServiceMock.Verify(n => n.GetHistogram(testSet));
}
static void Main(string[] args)
{
try
{
IDataLoader dataLoader = new CSVDataLoader(); //note, we dould implement different data loaders e.g. google sheets data loader.
IStatsService statsService = new StatsService();
//note for simplicity we are not using a service locator for example.
IAssignmentService assignment = new AssignmentService(dataLoader, statsService);
assignment.DoAssignment("SampleData.csv");
}
catch (ArgumentException argEx)
{
Console.WriteLine("Invalid argument");
Console.WriteLine(argEx.Message);
}
catch (Exception ex)
{
Console.WriteLine("exceptions occured while running the program");
Console.WriteLine(ex.ToString());
}
Console.ReadLine();
}
