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Improve testing and some cleanup refactoring.

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This commit is contained in:
brianj
2026-07-29 11:07:12 +02:00
parent 249a166d07
commit 44846eaa13
15 changed files with 253 additions and 96 deletions
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wolverine/a-frame-architecture/FinancialApi.Application.UnitTests/ApplyFeeHandlerTests.cs
+108 -2
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@@ -16,8 +16,8 @@ public class ApplyFeeHandlerTests
{
// Arrange
var command = new ApplyFeeCommand(1, 100);
var account = new Account(1, 100, "Debit");
var revenueAccount = new Account(99999, 0, "Credit");
var account = new Account(1, 100, AccountType.Debit);
var revenueAccount = new Account(99999, 0, AccountType.Credit);
var pair = new FeeContext(account, revenueAccount, TimeProvider.System.GetUtcNow());
// Act
@@ -36,4 +36,110 @@ public class ApplyFeeHandlerTests
intents.Event.Amount.Should()
.Be(command.Amount);
}
public class LiabilityAccount
{
[Theory]
[InlineData(100.0, 20.0, 80.0)]
[InlineData(199.78, 10.0, 189.78)]
[InlineData(200000, 0.09, 199999.91)]
[InlineData(1000, 1000, 0)]
public void GivenStartingBalanceGreaterThanFee_ApplyFee_ShouldBeExpectedBalance(
decimal startingBalance,
decimal feeAmount,
decimal expectedBalance
)
{
var command = new ApplyFeeCommand(1, feeAmount);
var account = new Account(1, startingBalance, AccountType.Liability);
var revenueAccount = new Account(99999, 0, AccountType.Credit);
var pair = new FeeContext(account, revenueAccount, TimeProvider.System.GetUtcNow());
// Act
var intents = ApplyFeeHandler.Handle(command, pair);
// Assert
using var _ = new AssertionScope();
intents.CustomerWrite.Entity.Balance.Should()
.Be(expectedBalance);
}
[Theory]
[InlineData(100.0, 110.0)]
[InlineData(199.78, 200.0)]
[InlineData(200000, 200000.01)]
[InlineData(1000, 1999999)]
public void GivenStartingBalanceLessThanFee_ApplyFee_ShouldFail(decimal startingBalance, decimal feeAmount)
{
var command = new ApplyFeeCommand(1, feeAmount);
var account = new Account(1, startingBalance, AccountType.Liability);
var revenueAccount = new Account(99999, 0, AccountType.Credit);
var pair = new FeeContext(account, revenueAccount, TimeProvider.System.GetUtcNow());
// Act
var act = () => ApplyFeeHandler.Handle(command, pair);
// Assert
using var _ = new AssertionScope();
act.Should()
.Throw<InsufficientFundsException>();
account.Balance.Should()
.Be(startingBalance);
revenueAccount.Balance.Should()
.Be(0);
}
}
public class CreditAccount
{
[Theory]
[InlineData(100.0, 20.0, 80.0)]
[InlineData(199.78, 10.0, 189.78)]
[InlineData(200000, 0.09, 199999.91)]
[InlineData(1000, 1000, 0)]
public void GivenStartingBalanceGreaterThanFee_ApplyFee_ShouldBeExpectedBalance(
decimal startingBalance,
decimal feeAmount,
decimal expectedBalance
)
{
var command = new ApplyFeeCommand(1, feeAmount);
var account = new Account(1, startingBalance, AccountType.Credit);
var revenueAccount = new Account(99999, 0, AccountType.Credit);
var pair = new FeeContext(account, revenueAccount, TimeProvider.System.GetUtcNow());
// Act
var intents = ApplyFeeHandler.Handle(command, pair);
// Assert
using var _ = new AssertionScope();
intents.CustomerWrite.Entity.Balance.Should()
.Be(expectedBalance);
}
[Theory]
[InlineData(100.0, 110.0, -10.0)]
[InlineData(199.78, 200.0, -0.22)]
[InlineData(200000, 200000.01, -0.01)]
[InlineData(1000, 1999999, -1998999)]
public void GivenStartingBalanceLessThanFee_ApplyFee_ShouldBeExpectedBalance(
decimal startingBalance,
decimal feeAmount,
decimal expectedBalance
)
{
var command = new ApplyFeeCommand(1, feeAmount);
var account = new Account(1, startingBalance, AccountType.Credit);
var revenueAccount = new Account(99999, 0, AccountType.Credit);
var pair = new FeeContext(account, revenueAccount, TimeProvider.System.GetUtcNow());
// Act
var intents = ApplyFeeHandler.Handle(command, pair);
// Assert
using var _ = new AssertionScope();
intents.CustomerWrite.Entity.Balance.Should()
.Be(expectedBalance);
}
}
}