public void ShouldSetLowerRangeToZeroWhenItsNotPresentInAppSettings()
{
_optionsMonitorMock.Setup(o => o.CurrentValue).Returns(new AppSettings()
{
MaximumDonationAmount = "2",
});
decimal minimumDonationAmount;
decimal maximumDonationAmount;
AppSettingsUtils.GetLowerAndHigherRange(_optionsMonitorMock.Object, out minimumDonationAmount, out maximumDonationAmount);
Assert.AreEqual(0, minimumDonationAmount);
}
public void ShouldGetLowerAndHigherRange()
{
_optionsMonitorMock.Setup(o => o.CurrentValue).Returns(new AppSettings()
{
MinimumDonationAmount = "2",
MaximumDonationAmount = "100000"
});
decimal minimumDonationAmount;
decimal maximumDonationAmount;
AppSettingsUtils.GetLowerAndHigherRange(_optionsMonitorMock.Object, out minimumDonationAmount, out maximumDonationAmount);
Assert.AreEqual(2, minimumDonationAmount);
Assert.AreEqual(100000, maximumDonationAmount);
}
public static ValidationResult ValidateAmount(IOptionsMonitor <AppSettings> settings, decimal amount)
{
decimal minimumDonationAmount;
decimal maximumDonationAmount;
AppSettingsUtils.GetLowerAndHigherRange(settings, out minimumDonationAmount, out maximumDonationAmount);
var isLowerRangeValid = amount >= minimumDonationAmount;
var largerRangeExists = maximumDonationAmount != 0;
var isLargerRangeValid = !largerRangeExists ? true : amount <= maximumDonationAmount;
if (isLowerRangeValid && isLargerRangeValid)
{
return(ValidationResult.Success);
}
return(new ValidationResult("Donation amount can not be smaller than " + minimumDonationAmount + (largerRangeExists ? (" and can not be larger than " + maximumDonationAmount) : "")));
}