public void DoubleDiscountAfterLunchStrategy_WhenBefore12_ThenSingleDiscount()
{
// Arrange
var timeSourceMock = new Mock <ITimeSource>();
timeSourceMock.Setup(x => x.Now).Returns(new DateTime(2018, 1, 1, 11, 59, 59));
var doubleDiscountAfterLunchStrategy = new DoubleDiscountAfterLunchStrategy(timeSourceMock.Object, 10m);
// Act
var result = new Sale(100, doubleDiscountAfterLunchStrategy).GetTotal();
timeSourceMock.Verify(x => x.Now, Times.Once);
result.Should().Be(90);
}
public void DoubleDiscountAfterLunchStrategy_WhenAfter12_ThenDoubleDiscount()
{
// Arrange
var timeSourceMock = new Mock <ITimeSource>();
timeSourceMock.Setup(x => x.Now).Returns(new System.DateTime(2018, 1, 1, 12, 01, 00));
var doubleDiscountAfterLunchStrategy = new DoubleDiscountAfterLunchStrategy(timeSourceMock.Object, 10m);
// Act
var result = new Sale(100, doubleDiscountAfterLunchStrategy).GetTotal();
// Assert
timeSourceMock.Verify(x => x.Now, Times.Once);
result.Should().Be(80);
}