Added response utils tests

src/PinguApps.Appwrite.Client/Utils/ResponseUtils.cs

@@ -18,7 +18,7 @@ internal static AppwriteResult<T> GetApiResponse<T>(this IApiResponse<T> result)
             return new AppwriteResult<T>(result.Content);
         }
 
-        if (result.Error?.Content is null)
+        if (result.Error?.Content is null || string.IsNullOrEmpty(result.Error.Content))
         {
             throw new Exception("Unknown error encountered.");
         }

tests/PinguApps.Appwrite.Client.Tests/Utils/ResponseUtilsTests.cs

@@ -0,0 +1,80 @@
+using System.Net;
+using Moq;
+using PinguApps.Appwrite.Client.Utils;
+using PinguApps.Appwrite.Shared.Tests;
+using Refit;
+
+namespace PinguApps.Appwrite.Client.Tests.Utils;
+public class ResponseUtilsTests
+{
+    [Fact]
+    public void GetApiResponse_Success_ReturnsContent()
+    {
+        var mockApiResponse = new Mock<IApiResponse<string>>();
+        mockApiResponse.SetupGet(r => r.IsSuccessStatusCode).Returns(true);
+        mockApiResponse.SetupGet(r => r.Content).Returns("Success");
+
+        var result = mockApiResponse.Object.GetApiResponse();
+
+        Assert.True(result.Success);
+        Assert.Equal("Success", result.Result);
+    }
+
+    [Fact]
+    public void GetApiResponse_SuccessButNullContent_ReturnsInternalError()
+    {
+        var mockApiResponse = new Mock<IApiResponse<string>>();
+        mockApiResponse.SetupGet(r => r.IsSuccessStatusCode).Returns(true);
+        mockApiResponse.SetupGet(r => r.Content).Returns((string?)null);
+
+        var result = mockApiResponse.Object.GetApiResponse();
+
+        Assert.False(result.Success);
+        Assert.True(result.Result.IsT2);
+    }
+
+    [Fact]
+    public async Task GetApiResponse_Failure_ReturnsError()
+    {
+        var response = new HttpResponseMessage(HttpStatusCode.InternalServerError)
+        {
+            Content = new StringContent(Constants.AppwriteError)
+        };
+        var exception = await ApiException.Create(new HttpRequestMessage(), HttpMethod.Get, response, new RefitSettings());
+
+        var mockApiResponse = new Mock<IApiResponse<string>>();
+        mockApiResponse.SetupGet(r => r.IsSuccessStatusCode).Returns(false);
+        mockApiResponse.SetupGet(x => x.Error).Returns(exception);
+
+        var result = mockApiResponse.Object.GetApiResponse();
+
+        Assert.False(result.Success);
+        Assert.True(result.IsAppwriteError);
+        Assert.True(result.Result.IsT1);
+    }
+
+    [Fact]
+    public async Task GetApiResponse_FailureButNullErrorContent_ThrowsException()
+    {
+        var exception = await ApiException.Create(new HttpRequestMessage(), HttpMethod.Get, new HttpResponseMessage(HttpStatusCode.InternalServerError), new RefitSettings());
+
+        var mockApiResponse = new Mock<IApiResponse<string>>();
+        mockApiResponse.SetupGet(r => r.IsSuccessStatusCode).Returns(false);
+        mockApiResponse.SetupGet(x => x.Error).Returns(exception);
+
+        Assert.Throws<Exception>(() => mockApiResponse.Object.GetApiResponse());
+    }
+
+    [Fact]
+    public void GetExceptionResponse_ReturnsInternalError()
+    {
+        var exception = new Exception("Test exception");
+
+        var result = exception.GetExceptionResponse<string>();
+
+        Assert.False(result.Success);
+        Assert.True(result.IsInternalError);
+        Assert.True(result.Result.IsT2);
+        Assert.Equal("Test exception", result.Result.AsT2.Message);
+    }
+}