public static StopCalculationResult Build(StarshipResult starship, double distanceInMegaLights)
{
var result = new StopCalculationResult()
{
StarshipName = starship.Name
};
double starshipMegaLights;
double.TryParse(starship.MGLT, out starshipMegaLights);
if (starshipMegaLights == 0 || starship.Consumables == "unknown")
{
result.TotalStops = 0;
}
else
{
var hours = distanceInMegaLights / starshipMegaLights;
var consumables = starship.Consumables.ToHours();
var stops = consumables == 0 ? consumables : hours / consumables;
result.TotalStops = Math.Floor(stops);
}
return(result);
}
public void Service_Should_Return_Expected_Value()
{
// Arrange
var distanceInMegLights = 1000000;
var externalStarshipService = Substitute.For <ExternalStarshipService>(Substitute.For <IConfiguration>(), Substitute.For <ILogger <ExternalStarshipService> >());
var externalStarshipServiceResult = new List <StarshipResult>()
{
new StarshipResult()
{
Name = "Millennium Falcon",
MGLT = "75",
Consumables = "2 months"
}
};
externalStarshipService.GetAll().Returns(externalStarshipServiceResult);
var expectedStarshipResult = new StopCalculationResult()
{
StarshipName = "Millennium Falcon",
TotalStops = 9
};
var service = new StopCalculationService(Substitute.For <ILogger <StopCalculationService> >(), externalStarshipService);
// Act
var result = service.GetStopCalculationFromStarships(distanceInMegLights);
// Assert
Assert.NotNull(result.First());
Assert.Equal(expectedStarshipResult.StarshipName, result.First().StarshipName);
Assert.Equal(expectedStarshipResult.TotalStops, result.First().TotalStops);
}