public void Can_create_SetOverdraftLimit_Command()
{
var id = Guid.NewGuid();
var limit = 250;
var @command = new SetOverdraftLimit(id, limit);
Assert.NotNull(@command);
Assert.Equal(id, @command.AccountId);
Assert.Equal(limit, @command.Limit);
}
public CommandResponse Handle(SetOverdraftLimit command)
{
if (!_repository.TryGetById <AccountAggregate.BankAccount>(command.AccountId, out var account))
{
throw new InvalidOperationException("No account with such ID");
}
account.SetOverdraftLimit(command.Limit, new SettedOverdraftLimit(command.AccountId, command.Limit));
_repository.Save(account);
return(command.Succeed());
}
public async Task CannotSetOverdraftLimitIfAccountDoesNotExist()
{
var cmd = new SetOverdraftLimit
{
AccountId = _accountId,
OverdraftLimit = 1000
};
await _runner.Run(
def => def
.Given()
.When(cmd)
.Throws(new SystemException("The overdraft limit cannot be set on inexistent account."))
);
}
public async Task CannotSetOverdraftLimit(decimal limit)
{
var accCreatedEv = new AccountCreated(CorrelatedMessage.NewRoot())
{
AccountId = _accountId,
Name = "Jake Sanders"
};
var cmd = new SetOverdraftLimit
{
AccountId = _accountId,
OverdraftLimit = limit
};
await _runner.Run(
def => def
.Given(accCreatedEv)
.When(cmd)
.Throws(new SystemException("The overdraft limit cannot be negative."))
);
}
public async Task CanSetOverdraftLimit(decimal limit)
{
var accCreatedEv = new AccountCreated(CorrelatedMessage.NewRoot())
{
AccountId = _accountId,
Name = "Jake Sanders"
};
var cmd = new SetOverdraftLimit
{
AccountId = _accountId,
OverdraftLimit = limit
};
var limitSetEv = new OverdraftLimitSet(CorrelatedMessage.NewRoot())
{
AccountId = cmd.AccountId,
OverdraftLimit = cmd.OverdraftLimit
};
await _runner.Run(
def => def.Given(accCreatedEv).When(cmd).Then(limitSetEv)
);
}