public async Task Deposit_ValidDeposit_Credited()
{
// Arrange
IDateTime time = new MockDateTime();
var context = FakeContext.Get();
// Act
var sut = new CreateAccountDepositCommandHandler(context, time);
await sut.Handle(new CreateAccountDepositCommand()
{
AccountId = 1, Amount = 500m
}, CancellationToken.None);
// Assert
context.Accounts.Single(a => a.AccountId == 1).Balance.ShouldBe(1000m);
}
public async Task Deposit_NegativeAmount_ThrowsException()
{
// Arrange
IDateTime time = new MockDateTime();
var context = FakeContext.Get();
// Arrange
var sut = new CreateAccountDepositCommandHandler(context, time);
// Assert
await Assert.ThrowsAsync <NegativeAmountException>
(() => sut.Handle(new CreateAccountDepositCommand()
{
AccountId = 1, Amount = -500m
}, CancellationToken.None));
context.Accounts.Single(a => a.AccountId == 1).Balance.ShouldBe(500m);
}
public async Task Deposit_Transaction_Created()
{
// Arrange
IDateTime time = new MockDateTime();
var context = FakeContext.Get();
// Act
var sut = new CreateAccountDepositCommandHandler(context, time);
await sut.Handle(new CreateAccountDepositCommand()
{
AccountId = 1, Amount = 500m
}, CancellationToken.None);
// Assert
var transaction = context.Transactions.Single(t => t.AccountId == 1);
transaction.AccountId.ShouldBe(1);
transaction.Amount.ShouldBe(500m);
transaction.Balance.ShouldBe(1000m);
transaction.Type.ShouldBe(TransactionType.Credit);
transaction.Operation.ShouldBe(Operation.Credit);
}
