Adding chat system

GameAuthApi.Tests/ChatControllerTests.cs

@@ -0,0 +1,58 @@
+using GameAuthApi.Controllers;
+using GameAuthApi.Models;
+using GameAuthApi.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using System.Security.Claims;
+
+public class ChatControllerTests
+{
+    private static IConfiguration cfg = new ConfigurationBuilder()
+        .AddInMemoryCollection(new Dictionary<string,string>
+        {
+            {"MongoDB:ConnectionString","mongodb://localhost"},
+            {"MongoDB:DatabaseName","test"}
+        }).Build();
+
+    private static ControllerContext ContextWithUser(string id)
+    {
+        var ctx = new DefaultHttpContext();
+        ctx.User = new ClaimsPrincipal(new ClaimsIdentity(new[]
+        {
+            new Claim(ClaimTypes.NameIdentifier,id)
+        }, "mock"));
+        return new ControllerContext { HttpContext = ctx };
+    }
+
+    [Fact]
+    public async Task Send_EmptyContent_ReturnsBadRequest()
+    {
+        var svc = new Mock<ChatService>(cfg);
+        var controller = new ChatController(svc.Object)
+        {
+            ControllerContext = ContextWithUser("u")
+        };
+
+        var result = await controller.Send(new ChatMessageRequest { Content = "" });
+
+        Assert.IsType<BadRequestObjectResult>(result);
+    }
+
+    [Fact]
+    public async Task Recent_ReturnsOk()
+    {
+        var list = new List<ChatMessage>();
+        var svc = new Mock<ChatService>(cfg);
+        svc.Setup(s => s.GetRecentAsync(5)).ReturnsAsync(list);
+        var controller = new ChatController(svc.Object)
+        {
+            ControllerContext = ContextWithUser("u")
+        };
+
+        var result = await controller.Recent(5);
+
+        var ok = Assert.IsType<OkObjectResult>(result);
+        Assert.Equal(list, ok.Value);
+    }
+}