public async Task TestThat_DisplayCoffeeShops_When_CoffeeShopDistancesIsEmpty_Throws_ArgumentOutOfRangeException()
{
// Arrange
var coffeeShopsDisplayService = new CoffeeShopsDisplayService(_displayFacadeMock.Object);
// Act
async Task Act() => await coffeeShopsDisplayService.DisplayCoffeeShopDistances(MockObjects.EmptyShopDistances);
// Assert
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(Act);
}
public async Task TestThat_DisplayCoffeeShops_When_DistancesListIsValid_Calls_RepositoryOutputMethod_Once()
{
// Arrange
var mockDistances = MockObjects.SelectedShopDistances.ToList();
var coffeeShopsDisplayService = new CoffeeShopsDisplayService(_displayFacadeMock.Object);
// Act
await coffeeShopsDisplayService.DisplayCoffeeShopDistances(mockDistances);
// Assert
_coffeeShopDistanceRepositoryMock.Verify(x => x.SetCoffeeShopDistances(mockDistances), Times.Once);
}
public async Task TestThat_DisplayCoffeeShops_When_RepositoryThrowsException_Throws_SameException()
{
// Arrange
var mockException = MockObjects.GenericException;
_coffeeShopDistanceRepositoryMock
.Setup(x => x.SetCoffeeShopDistances(It.IsAny <IEnumerable <Distance> >()))
.Throws(mockException);
var coffeeShopsDisplayService = new CoffeeShopsDisplayService(_displayFacadeMock.Object);
// Act
async Task Act() => await coffeeShopsDisplayService.DisplayCoffeeShopDistances(MockObjects.SelectedShopDistances);
// Assert
var exception = await Assert.ThrowsAnyAsync <Exception>(Act);
Assert.Equal(mockException, exception);
}
