chore: import upstream snapshot with attribution

2026-07-13 13:39:25 +08:00
commit db620d33df
5151 changed files with 925932 additions and 0 deletions
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+// Copyright (c) Microsoft. All rights reserved.
+
+using System.Threading;
+using System.Threading.Tasks;
+using Azure.AI.AgentServer.Responses;
+using Azure.AI.AgentServer.Responses.Models;
+
+namespace Microsoft.Agents.AI.Foundry.Hosting.UnitTests;
+
+/// <summary>
+/// Test fake that returns a non-null <see cref="HostedSessionContext"/> by default, allowing tests
+/// that were written before the strict isolation-key contract to keep passing without each test
+/// having to stub <c>ResponseContext.PlatformContext</c>. The constructor also accepts <see langword="null"/>
+/// so individual tests can exercise the handler's null-key error path.
+/// </summary>
+internal sealed class FakeHostedSessionIsolationKeyProvider : HostedSessionIsolationKeyProvider
+{
+    public const string DefaultUserId = "test-user-isolation";
+
+    private readonly HostedSessionContext? _context;
+
+    public FakeHostedSessionIsolationKeyProvider(string? userId = DefaultUserId)
+    {
+        this._context = userId is null
+            ? null
+            : new HostedSessionContext(userId);
+    }
+
+    public override ValueTask<HostedSessionContext?> GetKeysAsync(
+        ResponseContext context,
+        CreateResponse request,
+        CancellationToken cancellationToken)
+        => new(this._context);
+}