Genral clean up and moving of code.

wolverine/a-frame-architecture/FinancialApi.Infrastructure.Tests/ApplyFeeIntegrationTests.cs

@@ -0,0 +1,35 @@
+using FinancialApi.Application.Commands;
+using FinancialApi.Application.Interfaces;
+using FinancialApi.Domain.Entities;
+using FinancialApi.Domain.Events;
+using FluentAssertions;
+using Wolverine;
+using Wolverine.Tracking;
+
+namespace FinancialApi.Infrastructure.Tests;
+
+internal class FakeAccountQuery : IAccountQuery
+{
+    public Task<Account?> FindByIdAsync(int id) => Task.FromResult(new Account(id, 100.00m, AccountType.Debit))!;
+}
+
+public class ApplyFeeIntegrationTests(WolverineTestFixture fixture) : IClassFixture<WolverineTestFixture>
+{
+    [Fact]
+    public async Task GivenValidCommand_WhenApplyingFee_ShouldPublishFeeAppliedEvent()
+    {
+        // Arrange
+        var command = new ApplyFeeCommand(1, 100);
+
+        // Act
+        var session = await fixture.Host.InvokeMessageAndWaitAsync(command);
+
+        // Assert
+        session.Sent.AllMessages()
+            .ShouldHaveMessageOfType<FeeAppliedEvent>();
+        session.Sent.MessagesOf<FeeAppliedEvent>()
+            .Count()
+            .Should()
+            .Be(1);
+    }
+}