Added unit test for GetGoalsForUser route

src/api/types.ts

@@ -27,6 +27,7 @@ export interface Goal {
   accountId: string
   transactionIds: string[]
   tagIds: string[]
+  icon: "🚗"
 }
 
 export interface Tag {

src/ui/GoalControllerTests.cs

@@ -0,0 +1,48 @@
+using Xunit;
+using Moq;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using YourNamespace.Controllers; // Replace with actual namespace
+using YourNamespace.Models;
+using YourNamespace.Services; // Services being tested
+
+public class GoalControllerTests
+{
+    private readonly FakeCollections collections;
+
+    public GoalControllerTests()
+    {
+        collections = new FakeCollections(); // Mock data collection
+    }
+
+    [Fact]
+    public async Task GetForUser_ReturnsGoalsForUser()
+    {
+        // Arrange
+        var goals = collections.GetGoals();  // Mock goals list
+        var users = collections.GetUsers();  // Mock users list
+
+        var goalsService = new FakeGoalsService(goals, goals[0]); // Inject fake service
+        var usersService = new FakeUsersService(users, users[0]);
+
+        var controller = new GoalController(goalsService, usersService);
+
+        // Simulate HTTP context (needed for controller actions)
+        var httpContext = new DefaultHttpContext();
+        controller.ControllerContext.HttpContext = httpContext;
+
+        // Act: Call the controller method with a userId
+        var result = await controller.GetForUser(goals[0].UserId!);
+
+        // Assert: Check the response is not null
+        Assert.NotNull(result);
+
+        // Assert: Validate each goal in the response
+        foreach (Goal goal in result!)
+        {
+            Assert.IsAssignableFrom<Goal>(goal); // Check type
+            Assert.Equal(goals[0].UserId, goal.UserId); // Check correct userId
+        }
+    }
+}