public void ShouldThrowArgumentNullExceptionWhenProductsNull(
PieExpiryDiscount sut)
{
Action a = () => sut.CalculateDiscounts(null !);
a.Should().Throw <ArgumentNullException>();
}
public void ShouldOnlyApplyToPues(
PieExpiryDiscount sut)
{
IEnumerable <IProduct> products = new ProductFaker().Generate(3);
IEnumerable <Discount> results = sut.CalculateDiscounts(products);
results.Should().BeEmpty();
}
public void ShouldInitialiseDiscountPercent(
FakeClock fakeClock)
{
DiscountPercent discountPercent = new DiscountPercentFaker().Generate();
PieExpiryDiscount sut = new PieExpiryDiscount(fakeClock, discountPercent);
sut.DiscountPercent.Should().Be(discountPercent);
}
public void ShouldNotReducePriceWhenNotExpired(
[Frozen(Matching.ImplementedInterfaces)] FakeClock fakeClock,
PieExpiryDiscount sut)
{
Pie pie = new Pie(default, fakeClock.GetCurrentInstant().InUtc().Date.PlusDays(1));
