public void WhenAccountDoesNotHaveEnoughFunds_ShouldInvalidOperationException()
{
Given.ValidAccountExistsInDatabase(FromAccount);
And.UserIsAuthorisedToWithdraw(FromAccount, User);
And.AccountDoesNotHaveEnoughFundsForWithdrawal(FromAccount, WithdrawalAmount);
Func <Task> whenIWithdraw = async() =>
{
await SUT.Withdraw(WithdrawalAmount, FromAccount, User);
};
whenIWithdraw
.Then()
.Throw <InvalidOperationException>("because account's balance is less then the withdrawal amount")
.WithMessage($"Not enough money on account '{FromAccount}'");
}
