added client tests

tests/PinguApps.Appwrite.Client.Tests/Clients/Account/AccountClientTests.Create2faChallenge.cs

@@ -0,0 +1,82 @@
+using System.Net;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using PinguApps.Appwrite.Shared.Requests;
+using PinguApps.Appwrite.Shared.Tests;
+using RichardSzalay.MockHttp;
+
+namespace PinguApps.Appwrite.Client.Tests.Clients.Account;
+public partial class AccountClientTests
+{
+    [Fact]
+    public async Task Create2faChallenge_ShouldReturnSuccess_WhenApiCallSucceeds()
+    {
+        // Arrange
+        var request = new Create2faChallengeRequest();
+
+        var options = new JsonSerializerOptions();
+        options.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, false));
+
+        _mockHttp.Expect(HttpMethod.Post, $"{Constants.Endpoint}/account/mfa/challenge")
+            .ExpectedHeaders(true)
+            .WithJsonContent(request, options)
+            .Respond(Constants.AppJson, Constants.MfaTypeResponse);
+
+        _appwriteClient.SetSession(Constants.Session);
+
+        // Act
+        var result = await _appwriteClient.Account.Create2faChallenge(request);
+
+        // Assert
+        Assert.True(result.Success);
+    }
+
+    [Fact]
+    public async Task Create2faChallenge_ShouldHandleException_WhenApiCallFails()
+    {
+        // Arrange
+        var request = new Create2faChallengeRequest();
+
+        var options = new JsonSerializerOptions();
+        options.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, false));
+
+        _mockHttp.Expect(HttpMethod.Post, $"{Constants.Endpoint}/account/mfa/challenge")
+            .ExpectedHeaders(true)
+            .WithJsonContent(request, options)
+            .Respond(HttpStatusCode.BadRequest, Constants.AppJson, Constants.AppwriteError);
+
+        _appwriteClient.SetSession(Constants.Session);
+
+        // Act
+        var result = await _appwriteClient.Account.Create2faChallenge(request);
+
+        // Assert
+        Assert.True(result.IsError);
+        Assert.True(result.IsAppwriteError);
+    }
+
+    [Fact]
+    public async Task Create2faChallenge_ShouldReturnErrorResponse_WhenExceptionOccurs()
+    {
+        // Arrange
+        var request = new Create2faChallengeRequest();
+
+        var options = new JsonSerializerOptions();
+        options.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, false));
+
+        _mockHttp.Expect(HttpMethod.Post, $"{Constants.Endpoint}/account/mfa/challenge")
+            .ExpectedHeaders(true)
+            .WithJsonContent(request, options)
+            .Throw(new HttpRequestException("An error occurred"));
+
+        _appwriteClient.SetSession(Constants.Session);
+
+        // Act
+        var result = await _appwriteClient.Account.Create2faChallenge(request);
+
+        // Assert
+        Assert.False(result.Success);
+        Assert.True(result.IsInternalError);
+        Assert.Equal("An error occurred", result.Result.AsT2.Message);
+    }
+}