public async Task TestThat_SetCoffeeShopDistances_When_DistancesListIsEmpty_Throws_ArgumentOutOfRangeException()
{
// Arrange
var dataWriterMock = new Mock <ICoffeeShopDistanceDataWriter>();
var coffeeShopDistanceRepository = new CoffeeShopDistanceRepository(dataWriterMock.Object);
// Act
async Task Act() => await coffeeShopDistanceRepository.SetCoffeeShopDistances(MockObjects.EmptyShopDistances);
// Assert
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(Act);
}
public async Task TestThat_SetCoffeeShopDistances_When_DistancesListIsValid_Calls_DataWriterWriteCoffeeShopDistances_Once()
{
// Arrange
var distancesMock = MockObjects.SelectedShopDistances.ToList();
var dataWriterMock = new Mock <ICoffeeShopDistanceDataWriter>();
dataWriterMock.Setup(x => x.WriteCoffeeShopDistances(It.IsAny <IEnumerable <Distance> >()));
var coffeeShopDistanceRepository = new CoffeeShopDistanceRepository(dataWriterMock.Object);
// Act
await coffeeShopDistanceRepository.SetCoffeeShopDistances(distancesMock);
// Assert
dataWriterMock.Verify(x => x.WriteCoffeeShopDistances(distancesMock), Times.Once);
}
public async Task TestThat_SetCoffeeShopDistances_When_DataWriterThrowsDataProviderException_Throws_DataProviderExceptionWithExpectedMessage()
{
// Arrange
var dataWriterMock = new Mock <ICoffeeShopDistanceDataWriter>();
dataWriterMock
.Setup(x => x.WriteCoffeeShopDistances(It.IsAny <IEnumerable <Distance> >()))
.Throws(new DataProviderException(MockValues.OutputDataProviderExceptionMessage));
var coffeeShopDistanceRepository = new CoffeeShopDistanceRepository(dataWriterMock.Object);
// Act
async Task Act() => await coffeeShopDistanceRepository.SetCoffeeShopDistances(MockObjects.SelectedShopDistances);
// Assert
var exception = await Assert.ThrowsAsync <DataProviderException>(Act);
Assert.Equal(MockValues.OutputDataProviderExceptionMessage, exception.Message);
}
