public async Task CreditCard_Should_BeSavedAndRestored()
{
var owner = new AccountOwnerBuilder().Build();
var creditCard = new CreditCardBuilder()
.WithLimit(100)
.WithOwnerId(owner.Id)
.Build();
using (var context = new CreditCardContext())
{
var accountOwnerRepository = new AccountOwnerRepository(context);
var creditCardRepository = new CreditCardRepository(context);
await accountOwnerRepository.Add(owner);
await creditCardRepository.Add(creditCard);
await context.SaveChangesAsync();
var storedCreditCard = await creditCardRepository.Get(creditCard.Id);
storedCreditCard.Should().NotBeNull();
storedCreditCard.AvaliableLimit.Should().Be(creditCard.AvaliableLimit);
storedCreditCard.OwnerId.Should().Be(creditCard.OwnerId);
}
}
public void CreditCard_Repay_ShouldIncreaseLimit()
{
var creditCard = new CreditCardBuilder()
.WithLimit(100)
.Build();
creditCard.Repay(50);
creditCard.AvaliableLimit.Should().Be(150);
}
public void CreditCard_WithdrawInLimit_ShouldDecreaseLimit()
{
var creditCard = new CreditCardBuilder()
.WithLimit(100)
.Build();
creditCard.Withdraw(50);
creditCard.AvaliableLimit.Should().Be(50);
}
public void CreditCard_WithdrawWithoutAssignedLimit_ShouldBeImposible()
{
var creditCard = new CreditCardBuilder()
.Build();
Action act = () => creditCard.Withdraw(100);
act.Should()
.Throw <InvalidOperationException>()
.WithMessage("Lack of funds");
}
public void CreaditCard_LimitReasign_ShouldBeImposible()
{
var creditCard = new CreditCardBuilder()
.WithLimit(100)
.Build();
Action act = () => creditCard.AssignLimit(123);
act.Should()
.Throw <InvalidOperationException>()
.WithMessage("Limit to the card can be assigned only once");
}
