public void CalculateForNew_WhenPeriodHalfYearIsSelected_Test()
{
// Arrange
SubscriptionPeriod period = SubscriptionPeriod.HalfYear;
SystemClock.Set(new DateTime(2020, 5, 11));
// Act
DateTime expirationDate = SubscriptionDateExpirationCalculator.CalculateForNew(period);
// Assert
Assert.That(expirationDate, Is.EqualTo(new DateTime(2020, 11, 11)));
}
public void CalculateForRenewal_WhenPeriodMonthIsSelected_AndExpireDatePassed_ThenMonthsAreAddedToNow()
{
// Arrange
SubscriptionPeriod period = SubscriptionPeriod.Month;
SystemClock.Set(new DateTime(2020, 5, 11));
DateTime expirationDate = new DateTime(2020, 4, 1);
// Act
expirationDate = SubscriptionDateExpirationCalculator.CalculateForRenewal(expirationDate, period);
// Assert
Assert.That(expirationDate, Is.EqualTo(new DateTime(2020, 6, 11)));
}
