From a9c77e45aae04badab72c9b5ad85aec593096e12 Mon Sep 17 00:00:00 2001
From: Sebastian <sebastian@squidex.io>
Date: Mon, 17 Jul 2023 07:56:50 +0200
Subject: [PATCH] Sample logging handler.

---
 .../SampleLoggingHandler.cs                   | 28 ++++++
 .../SquidexLoggingTests.cs                    | 94 +++++++++++++++++++
 2 files changed, 122 insertions(+)
 create mode 100644 csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SampleLoggingHandler.cs
 create mode 100644 csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SquidexLoggingTests.cs

diff --git a/csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SampleLoggingHandler.cs b/csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SampleLoggingHandler.cs
new file mode 100644
index 00000000..780e560e
--- /dev/null
+++ b/csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SampleLoggingHandler.cs
@@ -0,0 +1,28 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Collections.Concurrent;
+using System.Net;
+
+namespace Squidex.ClientLibrary.Tests;
+
+internal sealed class SampleLoggingHandler : DelegatingHandler
+{
+    public ConcurrentBag<(string Url, bool IsAuthorized, HttpStatusCode StatusCode)> Log { get; } = new ();
+
+    protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+    {
+        var response = await base.SendAsync(request, cancellationToken);
+
+        Log.Add((
+            request.RequestUri?.ToString() ?? string.Empty,
+            request.Headers.Contains("Authorization"),
+            response.StatusCode));
+
+        return response;
+    }
+}
diff --git a/csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SquidexLoggingTests.cs b/csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SquidexLoggingTests.cs
new file mode 100644
index 00000000..b8ebf1a4
--- /dev/null
+++ b/csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/SquidexLoggingTests.cs
@@ -0,0 +1,94 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using Microsoft.Extensions.DependencyInjection;
+using Squidex.ClientLibrary.Configuration;
+using Xunit;
+
+namespace Squidex.ClientLibrary.Tests;
+
+public class SquidexLoggingTests
+{
+    [Fact]
+    public async Task Should_log_with_services()
+    {
+        var loggingHandler = new SampleLoggingHandler();
+
+        var sut =
+            new ServiceCollection()
+                .AddSquidexClient(options =>
+                {
+                    options.AppName = "invalid";
+                    options.ClientId = "invalid";
+                    options.ClientSecret = "invalid";
+                })
+                .AddSquidexHttpClient()
+                    .AddHttpMessageHandler(() => loggingHandler)
+                    .Services
+                .BuildServiceProvider()
+                .GetRequiredService<ISquidexClient>();
+
+        try
+        {
+            await sut.Ping.GetAppPingAsync();
+        }
+        catch
+        {
+            // Invalid Credentials
+        }
+
+        Assert.NotEmpty(loggingHandler.Log);
+        Assert.Contains(loggingHandler.Log, x => x.Url.Contains("identity-server/connect/token", StringComparison.Ordinal));
+    }
+
+    [Fact]
+    public async Task Should_log_with_manual_client()
+    {
+        var loggingHandler = new SampleLoggingHandler();
+
+        var options = new SquidexOptions
+        {
+            AppName = "invalid",
+            ClientId = "invalid",
+            ClientSecret = "invalid"
+        };
+
+        options.ClientProvider = new ClientProvider(options, loggingHandler);
+
+        var sut = new SquidexClient(options);
+
+        try
+        {
+            await sut.Ping.GetAppPingAsync();
+        }
+        catch
+        {
+            // Invalid Credentials
+        }
+
+        Assert.NotEmpty(loggingHandler.Log);
+        Assert.Contains(loggingHandler.Log, x => x.Url.Contains("identity-server/connect/token", StringComparison.Ordinal));
+    }
+
+    private class ClientProvider : StaticHttpClientProvider
+    {
+        private readonly SampleLoggingHandler sampleLoggingHandler;
+
+        public ClientProvider(SquidexOptions options, SampleLoggingHandler sampleLoggingHandler)
+            : base(options)
+        {
+            this.sampleLoggingHandler = sampleLoggingHandler;
+        }
+
+        protected override HttpMessageHandler CreateMessageHandler(SquidexOptions options)
+        {
+            sampleLoggingHandler.InnerHandler = base.CreateMessageHandler(options);
+
+            return sampleLoggingHandler;
+        }
+    }
+}