Added first unit test.

2026-07-17 13:17:41 +02:00
parent d77e575c00
commit 09a89a34c4
4 changed files with 75 additions and 1 deletions
@@ -0,0 +1,30 @@
+using FinancialApi.Domain;
+using FluentAssertions;
+using FluentAssertions.Execution;
+
+namespace FinancialApi.Application.UnitTests;
+
+public class ApplyFeeHandlerTests
+{
+    [Fact]
+    public void GivenValidAccounts_BasicFee_ShouldValidateEverything()
+    {
+        // Arrange
+        var command = new ApplyFeeCommand(1, 100);
+        var account = new Account(1, 100, "Debit");
+        var destAccount = new Account(99999, 100, "Credit");
+        var pair = new FeePair(account, destAccount, TimeProvider.System.GetUtcNow());
+        
+        // Act
+        var intents = ApplyFeeHandler.Handle(command, pair);
+
+        // Assert
+        using var _ = new AssertionScope();
+        intents.CustomerWrite.Entity.Balance.Should().Be(0);
+        intents.RevenueWrite.Entity.Balance.Should().Be(200);
+        intents.RevenueWrite.Entity.Balance.Should().Be(200);
+        intents.JournalWrite.Entity.Lines.Count.Should().Be(2);
+        intents.Event.AccountId.Should().Be(account.Id);
+        intents.Event.Amount.Should().Be(100);
+    }
+}