public async Task Throws_Bad_Request_On_Missing_FromAccount(
CreateTransferCommand command,
[Frozen] Mock <IRepository> repo,
Account toAccount,
CreateTransferHandler sut)
{
repo.SetupSequence(p => p.FindAsync(It.IsAny <Scalar <Account> >()))
.ReturnsAsync(toAccount)
.ReturnsAsync((Account)null);
await Assert.ThrowsAsync <BadRequestException>(async() => { await sut.Handle(command, new CancellationToken()); });
}
public async Task Throws_Bad_Request_On_Insufficient_Funds(
CreateTransferCommand command,
[Frozen] Mock <IRepository> repo,
Account toAccount,
Account fromAccount,
CreateTransferHandler sut)
{
fromAccount.Debit(new Funds(Currency.USD, fromAccount.Balance.Amount));
repo.SetupSequence(p => p.FindAsync(It.IsAny <Scalar <Account> >()))
.ReturnsAsync(toAccount)
.ReturnsAsync(fromAccount);
await Assert.ThrowsAsync <BadRequestException>(async() => { await sut.Handle(command, new CancellationToken()); });
}
public async Task Succeed_On_Valid_Request(
CreateTransferCommand command,
[Frozen] Mock <IRepository> repo,
Account toAccount,
Account fromAccount,
CreateTransferHandler sut)
{
fromAccount.Credit(new Funds(Currency.USD, command.Funds.Amount));
var initialToAccount = toAccount.Balance.Amount;
var initialFromAccount = fromAccount.Balance.Amount;
repo.SetupSequence(p => p.FindAsync(It.IsAny <Scalar <Account> >()))
.ReturnsAsync(toAccount)
.ReturnsAsync(fromAccount);
var result = await sut.Handle(command, new CancellationToken());
repo.Verify(p => p.FindAsync(It.IsAny <Scalar <Account> >()), Times.Exactly(2));
repo.Verify(p => p.UnitOfWork.CommitAsync(), Times.Once());
Assert.True(result.Amount == command.Funds.Amount + initialToAccount);
Assert.True(fromAccount.Balance.Amount == initialFromAccount - command.Funds.Amount);
}
