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fix tests for fp2

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Oli Sturm
2026-04-22 15:31:07 +01:00
parent 778e181ed1
commit 1debc5d600
2 changed files with 50 additions and 46 deletions
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csharp-fp2.Tests/AccountTests.cs
+23 -14
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@@ -10,42 +10,51 @@ public class AccountTests
public void Opening_an_account_with_a_negative_balance_throws()
{
Assert.Throws<ArgumentOutOfRangeException>(() =>
new Account(new AccountId(Guid.NewGuid()), new Money(-1m))
AccountDomain.Open(Guid.NewGuid(), new Money(-1m))
);
}
[Fact]
public void Withdrawing_a_zero_amount_throws()
public void Withdrawing_a_zero_amount_returns_AmountMustBePositive()
{
var account = new Account(new AccountId(Guid.NewGuid()), new Money(100m));
var account = AccountDomain.Open(Guid.NewGuid(), new Money(100m));
Assert.Throws<InvalidOperationException>(() => account.Withdraw(new Money(0m)));
var result = AccountDomain.Withdraw(account, new Money(0m));
Assert.IsType<WithdrawResult.AmountMustBePositive>(result);
}
[Fact]
public void Withdrawing_a_negative_amount_throws()
public void Withdrawing_a_negative_amount_returns_AmountMustBePositive()
{
var account = new Account(new AccountId(Guid.NewGuid()), new Money(100m));
var account = AccountDomain.Open(Guid.NewGuid(), new Money(100m));
Assert.Throws<InvalidOperationException>(() => account.Withdraw(new Money(-10m)));
var result = AccountDomain.Withdraw(account, new Money(-10m));
Assert.IsType<WithdrawResult.AmountMustBePositive>(result);
}
[Fact]
public void Withdrawing_more_than_the_balance_throws()
public void Withdrawing_more_than_the_balance_returns_InsufficientBalance()
{
var account = new Account(new AccountId(Guid.NewGuid()), new Money(100m));
var account = AccountDomain.Open(Guid.NewGuid(), new Money(100m));
Assert.Throws<InsufficientBalanceException>(() => account.Withdraw(new Money(101m)));
var result = AccountDomain.Withdraw(account, new Money(101m));
Assert.IsType<WithdrawResult.InsufficientBalance>(result);
}
[Fact]
public void Successive_withdrawals_are_each_applied_to_the_running_balance()
{
var account = new Account(new AccountId(Guid.NewGuid()), new Money(300m));
var account = AccountDomain.Open(Guid.NewGuid(), new Money(300m));
account.Withdraw(new Money(100m));
account.Withdraw(new Money(100m));
var result1 = AccountDomain.Withdraw(account, new Money(100m));
var success1 = Assert.IsType<WithdrawResult.Success>(result1);
Assert.Equal(100m, account.Balance.Amount);
var result2 = AccountDomain.Withdraw(success1.Account, new Money(100m));
var success2 = Assert.IsType<WithdrawResult.Success>(result2);
Assert.Equal(100m, success2.Account.Balance.Amount);
}
}