add tests for case sensitive authz scheme

Author: brockallen

test/Tests/AccessTokenHandlerTests.cs

@@ -0,0 +1,74 @@
+// Copyright (c) Duende Software. All rights reserved.
+// See LICENSE in the project root for license information.
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using RichardSzalay.MockHttp;
+
+namespace Duende.AccessTokenManagement.Tests;
+
+public class AccessTokenHandlerTests 
+{
+    TestDPoPProofService _testDPoPProofService = new TestDPoPProofService();
+    TestHttpMessageHandler _testHttpMessageHandler = new TestHttpMessageHandler();
+
+    AccessTokenHandlerSubject _subject;
+
+    public AccessTokenHandlerTests()
+    {
+        _subject = new AccessTokenHandlerSubject(_testDPoPProofService, new TestDPoPNonceStore(), new TestLoggerProvider().CreateLogger("AccessTokenHandlerSubject"));
+        _subject.InnerHandler = _testHttpMessageHandler;
+    }
+
+    [Fact]
+    public async Task lower_case_token_type_should_be_converted_to_case_sensitive()
+    {
+        var client = new HttpClient(_subject);
+
+        {
+            _subject.AccessToken.AccessTokenType = "bearer";
+
+            var response = await client.GetAsync("https://test/api");
+
+            _testHttpMessageHandler.Request!.Headers.Authorization!.Scheme.ShouldBe("Bearer");
+        }
+        
+        {
+            _subject.AccessToken.AccessTokenType = "dpop";
+
+            var response = await client.GetAsync("https://test/api");
+
+            _testHttpMessageHandler.Request!.Headers.Authorization!.Scheme.ShouldBe("DPoP");
+        }
+    }
+
+    public class TestHttpMessageHandler : HttpMessageHandler
+    {
+        public HttpRequestMessage? Request { get; set; }
+        public HttpResponseMessage Response { get; set; } = new HttpResponseMessage(System.Net.HttpStatusCode.NoContent);
+
+        protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+        {
+            Request = request;
+            return Task.FromResult(Response);
+        }
+    }
+
+    public class AccessTokenHandlerSubject : AccessTokenHandler
+    {
+        public ClientCredentialsToken AccessToken { get; set; } = new ClientCredentialsToken
+        {
+            AccessToken = "at",
+            AccessTokenType = "bearer",
+        };
+
+        public AccessTokenHandlerSubject(IDPoPProofService dPoPProofService, IDPoPNonceStore dPoPNonceStore, ILogger logger) : base(dPoPProofService, dPoPNonceStore, logger)
+        {
+        }
+
+        protected override Task<ClientCredentialsToken> GetAccessTokenAsync(bool forceRenewal, CancellationToken cancellationToken)
+        {
+            return Task.FromResult(AccessToken);
+        }
+    }
+}

test/Tests/Framework/TestDPoPNonceStore.cs

@@ -0,0 +1,18 @@
+// Copyright (c) Duende Software. All rights reserved.
+// See LICENSE in the project root for license information.
+
+
+namespace Duende.AccessTokenManagement.Tests;
+
+public class TestDPoPNonceStore : IDPoPNonceStore
+{
+    public Task<string?> GetNonceAsync(DPoPNonceContext context, CancellationToken cancellationToken = default)
+    {
+        return Task.FromResult<string?>(null);
+    }
+
+    public Task StoreNonceAsync(DPoPNonceContext context, string nonce, CancellationToken cancellationToken = default)
+    {
+        return Task.CompletedTask;
+    }
+}