public void ToMiles_SetMeters_ReturnCorrectResult(double meters, double expectedResult) { // arrange // act var result = _service.ToMiles(meters); // assert Assert.True(Equals(result, expectedResult)); }
public async Task <Result <double> > Handle(GetDistanceBetweenAirportsQuery request, CancellationToken cancellationToken) { var fromTask = Task.Run(() => _airportService.GetAirport(request.From), cancellationToken); var toTask = Task.Run(() => _airportService.GetAirport(request.To), cancellationToken); await Task.WhenAll(fromTask, toTask); var fromAirport = fromTask.Result; var toAirport = toTask.Result; if (fromAirport?.Location == null || toAirport?.Location == null) { return(Result.Failure <double>("Couldn't get an additional information about airports.")); } var metersDistance = _distanceService.GetDistanceInMeters(fromAirport.Location, toAirport.Location); var miles = _distanceService.ToMiles(metersDistance); return(Result.Success(miles)); }