public async Task FizzBuzzController_ResultsWithValidModel_AwaitsLogger()
{
//arrange
var sut = CreateSut();
sut.ModelState.Clear();
var isAwaited = false;
UserInputLoggerMock
.Setup(logger => logger.LogAsync(Convert.ToInt32(GeneratedMaxValue), GeneratedPageNumber))
.Returns(() =>
Task
.Delay(TimeSpan.FromMilliseconds(100))
.ContinueWith(task => isAwaited = task.IsCompleted));
//act
await sut.Results(new FizzBuzzViewModel
{
MaxValue = GeneratedMaxValue,
PageNumber = GeneratedPageNumber
});
//assert
isAwaited.Should().BeTrue();
}
public async Task FizzBuzzController_ResultsWithInvalidModel_DoesNotLogUserInputOnce()
{
//arrange
var sut = CreateSut();
sut.ModelState.AddModelError("Some key", "Some error message");
//act
await sut.Results(new FizzBuzzViewModel
{
MaxValue = GeneratedMaxValue,
PageNumber = GeneratedPageNumber
});
//assert
UserInputLoggerMock.Verify(
logger => logger.LogAsync(It.IsAny <int>(), It.IsAny <int>()),
Times.Never);
}
public async Task FizzBuzzController_ResultsWithValidModel_LogsUserInputOnce()
{
//arrange
var sut = CreateSut();
sut.ModelState.Clear();
//act
await sut.Results(new FizzBuzzViewModel
{
MaxValue = GeneratedMaxValue,
PageNumber = GeneratedPageNumber
});
//assert
UserInputLoggerMock.Verify(
logger => logger.LogAsync(It.IsAny <int>(), It.IsAny <int>()),
Times.Once);
}
public async Task FizzBuzzController_ResultsWithValidModel_LogsCorrectUserInput()
{
//arrange
var sut = CreateSut();
sut.ModelState.Clear();
//act
await sut.Results(new FizzBuzzViewModel
{
MaxValue = GeneratedMaxValue,
PageNumber = GeneratedPageNumber
});
//assert
UserInputLoggerMock
.Verify(logger => logger.LogAsync(
Convert.ToInt32(GeneratedMaxValue),
GeneratedPageNumber));
}
public async Task FizzBuzzController_ResultsWithValidModelButInvalidPageNumber_DoesNotLogUserInputOnce()
{
//arrange
PagerMock
.Setup(pager => pager.HasPage(GeneratedFizzBuzzItems, 20, GeneratedPageNumber))
.Returns(() => false);
var sut = CreateSut();
sut.ModelState.Clear();
//act
await sut.Results(new FizzBuzzViewModel
{
MaxValue = GeneratedMaxValue,
PageNumber = GeneratedPageNumber
});
//assert
UserInputLoggerMock.Verify(
logger => logger.LogAsync(It.IsAny <int>(), It.IsAny <int>()),
Times.Never);
}
public void FizzBuzzController_ResultsWithLoggerThrowing_ThrowsSameException()
{
//arrange
var exception = GenerateException();
UserInputLoggerMock
.Setup(logger => logger.LogAsync(It.IsAny <int>(), It.IsAny <int>()))
.Throws(exception);
var sut = CreateSut();
//act
Func <Task> act = () => sut.Results(new FizzBuzzViewModel
{
MaxValue = GeneratedMaxValue,
PageNumber = GeneratedPageNumber
});
//assert
act
.ShouldThrow <Exception>()
.Which.Should().BeSameAs(exception);
}