public void SuccessfulWithdrawUpdatesFromAccount([Values(1, 2000, 4000)] decimal amount)
{
withdrawMoney.Execute(
TestAccountFactory.Ids.DefaultFrom,
amount);
// Ensure that the account is updated
AccountRepositoryMock.Verify(x => x.Update(It.IsAny <Account>()), Times.Exactly(1));
UpdatedAccounts.TryGetValue(TestAccountFactory.Ids.DefaultFrom, out var fromAfter).Should().BeTrue();
// Ensure that the from balance and withdrawn properties have correct values after the withdrawal
fromAfter.Balance.Should().Be(TestAccountFactory.DefaultBalance - amount);
fromAfter.Withdrawn.Should().Be(TestAccountFactory.DefaultWithdrawn - amount);
}
public void ExceptionThrownOnNonPositiveAmount([Values(-1, 0)] decimal amount)
{
Action transferAction = () => withdrawMoney.Execute(
TestAccountFactory.Ids.DefaultFrom,
amount);
transferAction.Should().Throw <InvalidOperationException>();
// Ensure that no notifications were sent
NotificationServiceMock.Verify(x => x.NotifyApproachingPayInLimit(It.IsAny <string>()), Times.Never);
NotificationServiceMock.Verify(x => x.NotifyFundsLow(It.IsAny <string>()), Times.Never);
// Ensure that the account was not updated
AccountRepositoryMock.Verify(x => x.Update(It.IsAny <Account>()), Times.Never);
}
public void ExceptionThrownOnInsufficientFunds()
{
var amount = TestAccountFactory.DefaultBalance + 1m;
Action withdrawalAction = () => withdrawMoney.Execute(
TestAccountFactory.Ids.DefaultFrom,
amount);
withdrawalAction.Should().Throw <InvalidOperationException>();
// Ensure that no notifications were sent
NotificationServiceMock.Verify(x => x.NotifyApproachingPayInLimit(It.IsAny <string>()), Times.Never);
NotificationServiceMock.Verify(x => x.NotifyFundsLow(It.IsAny <string>()), Times.Never);
// Ensure that the account was not updated
AccountRepositoryMock.Verify(x => x.Update(It.IsAny <Account>()), Times.Never);
}
public void ExceptionThrownOnFromToSameAccount()
{
var amount = 1m;
Action transferAction = () => transferMoney.Execute(
TestAccountFactory.Ids.DefaultFrom,
TestAccountFactory.Ids.DefaultFrom,
amount);
transferAction.Should().Throw <InvalidOperationException>();
// Ensure that no notifications were sent
NotificationServiceMock.Verify(x => x.NotifyApproachingPayInLimit(It.IsAny <string>()), Times.Never);
NotificationServiceMock.Verify(x => x.NotifyFundsLow(It.IsAny <string>()), Times.Never);
// Ensure that neither account was updated
AccountRepositoryMock.Verify(x => x.Update(It.IsAny <Account>()), Times.Never);
}
public void SuccessfulTransferUpdatesFromAndToAccounts([Values(1, 2000, 4000)] decimal amount)
{
transferMoney.Execute(
TestAccountFactory.Ids.DefaultFrom,
TestAccountFactory.Ids.DefaultTo,
amount);
// Ensure that both accounts are updated
AccountRepositoryMock.Verify(x => x.Update(It.IsAny <Account>()), Times.Exactly(2));
UpdatedAccounts.TryGetValue(TestAccountFactory.Ids.DefaultFrom, out var fromAfter).Should().BeTrue();
UpdatedAccounts.TryGetValue(TestAccountFactory.Ids.DefaultTo, out var toAfter).Should().BeTrue();
// Ensure that the balance and withdrawn properties have correct values after the transfer
fromAfter.Balance.Should().Be(TestAccountFactory.DefaultBalance - amount);
fromAfter.Withdrawn.Should().Be(TestAccountFactory.DefaultWithdrawn - amount);
toAfter.Balance.Should().Be(TestAccountFactory.DefaultBalance + amount);
}