public void GetVatPercent_ThrowsException_GivenSellerIsFromNonEuCountry()
{
var nonEuCountry = CountriesData.NonEuCountry1;
var countryResolver = Substitute.For <ICountryResolver>();
countryResolver.GetCountry(nonEuCountry.CountryCode).Returns(nonEuCountry);
var seller = new Company(nonEuCountry.CountryCode, countryResolver);
var customer = Substitute.For <LegalEntity>("SomeCountry", countryResolver);
var billGenerator = new VatBillGenerator(seller, customer);
Assert.Throws <InvalidOperationException>(() => billGenerator.GetVatPercent());
}
public void GetVatPercent_ReturnsCorrectResult_GivenVariousCustomers(bool isSellerVatPayer, Country sellerCountry,
bool isCustomerVatPayer, Country customerCountry, decimal expectedVatPercent)
{
var countryResolver = Substitute.For <ICountryResolver>();
countryResolver.GetCountry(sellerCountry.CountryCode).Returns(sellerCountry);
countryResolver.GetCountry(customerCountry.CountryCode).Returns(customerCountry);
var seller = new Company(sellerCountry.CountryCode, countryResolver)
{
IsVatPayer = isSellerVatPayer,
CompanyName = "UAB Pardavėjas"
};
var customerCompany = new Company(customerCountry.CountryCode, countryResolver)
{
IsVatPayer = isCustomerVatPayer,
CompanyName = "UAB Klientas"
};
var customerPerson = new Person(customerCountry.CountryCode, countryResolver)
{
IsVatPayer = isCustomerVatPayer,
FirstName = "Vardenis",
FamilyName = "Pavardenis"
};
// Ensure VAT is the same for both types of customer (Company/Person)
var billGenerator = new VatBillGenerator(seller, customerCompany);
billGenerator.GetVatPercent().Should().Be(expectedVatPercent);
billGenerator.GenerateBill(100).Should().Contain($"VAT: {expectedVatPercent:0.##}%");
billGenerator = new VatBillGenerator(seller, customerPerson);
billGenerator.GetVatPercent().Should().Be(expectedVatPercent);
billGenerator.GenerateBill(100).Should().Contain($"VAT: {expectedVatPercent:0.##}%");
}
