public async Task CreditCard_Should_BeSavedAndRestoredWithGivenLimit()
{
var ownerId = Guid.NewGuid();
var owner = new AccountOwnerBuilder()
.WithId(ownerId)
.Build();
var expectedLimit = 100;
var creditCardId = Guid.NewGuid();
var creditCard = new CreditCardBuilder()
.WithId(creditCardId)
.WithLimit(expectedLimit)
.WithOwnerId(ownerId)
.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(creditCardId);
storedCreditCard.Should().NotBeNull();
var storedSnapshot = storedCreditCard.GetSnapshot();
storedSnapshot.AvaliableLimit.Should().Be(expectedLimit);
}
}
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 CreditCard_Repay_ShouldIncreaseLimit()
{
var creditCard = new CreditCardBuilder()
.WithLimit(100)
.Build();
creditCard.Repay(50);
var snapshot = creditCard.GetSnapshot();
snapshot.AvaliableLimit.Should().Be(150);
}
public void CreditCard_WithdrawInLimit_ShouldDecreaseLimit()
{
var creditCard = new CreditCardBuilder()
.WithLimit(100)
.Build();
creditCard.Withdraw(50);
var snapshot = creditCard.GetSnapshot();
snapshot.AvaliableLimit.Should().Be(50);
}
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");
}
public async Task CreditCardReport_Should_ShowValidData()
{
var ownerId = Guid.NewGuid();
var ownerName = $"Name for {ownerId}";
var owner = new AccountOwnerBuilder()
.WithId(ownerId)
.WithName(ownerName)
.Build();
var expectedLimit = 512.11m;
var creditCardId = Guid.NewGuid();
var creditCard = new CreditCardBuilder()
.WithId(creditCardId)
.WithLimit(expectedLimit)
.WithOwnerId(ownerId)
.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 reports = new CreditCardReports();
var reportResult = await reports.Generate();
var expectedEntry = reportResult.FirstOrDefault(rr => rr.Owner == ownerName);
expectedEntry.Should().NotBeNull();
expectedEntry.Limit.Should().Be(expectedLimit);
}
}