public void IndicateAnUnknownErrorDuringUnhandledExceptions()
{
// arrange
var services = FakeStartup.GetDefaultServices();
var subDataService = Substitute.For <IRouteStopDataService>();
subDataService.GetByBusStop(Arg.Any <int>(), Arg.Any <int>()).Throws(new Exception("test"));
services.AddScoped <IRouteStopDataService>(x => subDataService);
var sut = this.GetSut(services);
// act
var actual = sut.GetNextStopTimes(1, 1);
// assert
Assert.Equal(BusStopTimeResultCode.UnknownError, actual.ResultCode);
}
public void IndicateAnInvalidStopWhenThereAreNoResults()
{
// arrange
var services = FakeStartup.GetDefaultServices();
var subDataService = Substitute.For <IRouteStopDataService>();
subDataService.GetByBusStop(Arg.Any <int>(), Arg.Any <int>()).Returns(new List <RouteStop>());
services.AddScoped <IRouteStopDataService>(x => subDataService);
var sut = this.GetSut(services);
// act
var actual = sut.GetNextStopTimes(1, 1);
// assert
Assert.Equal(BusStopTimeResultCode.InvalidStop, actual.ResultCode);
}
public void ReturnTheCorrectTimes()
{
// arrange
var services = FakeStartup.GetDefaultServices();
var nowSubstitute = Substitute.For <IDateTimeNow>();
nowSubstitute.Now.Returns(x => new DateTime(2020, 6, 10, 8, 46, 0));
services.AddScoped <IDateTimeNow>(x => nowSubstitute);
var sut = this.GetSut(services);
// act
const int numberOfArrivalTimes = 2;
const int busStopId = 8;
var actual = sut.GetByBusStop(busStopId, numberOfArrivalTimes);
// assert
Assert.Equal(3, actual.Count);
// make sure the calculations are correct by testing them against hand-calculated values
foreach (var routeStop in actual)
{
var arrivalTimes = routeStop.ArrivalTimes;
Assert.Equal(numberOfArrivalTimes, arrivalTimes.Count);
var first = arrivalTimes[0];
var second = arrivalTimes[1];
switch (routeStop.RouteId)
{
case 1:
Assert.True(first.Day == 10 && first.Month == 6 && first.Year == 2020 && first.Hour == 8 && first.Minute == 59);
Assert.True(second.Day == 10 && second.Month == 6 && second.Year == 2020 && second.Hour == 9 && second.Minute == 14);
break;
case 2:
Assert.True(first.Day == 10 && first.Month == 6 && first.Year == 2020 && first.Hour == 9 && first.Minute == 1);
Assert.True(second.Day == 10 && second.Month == 6 && second.Year == 2020 && second.Hour == 9 && second.Minute == 16);
break;
case 3:
Assert.True(first.Day == 10 && first.Month == 6 && first.Year == 2020 && first.Hour == 8 && first.Minute == 48);
Assert.True(second.Day == 10 && second.Month == 6 && second.Year == 2020 && second.Hour == 9 && second.Minute == 3);
break;
}
}
}
// Use if not needing to customize dependencies
protected T GetSut()
{
var services = FakeStartup.GetDefaultServices();
return(this.GetSut(services));
}