chore: import upstream snapshot with attribution

dotnet/tests/AgentConformance.IntegrationTests/Support/AgentCleanup.cs

@@ -0,0 +1,18 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System;
+using System.Threading.Tasks;
+using Microsoft.Agents.AI;
+
+namespace AgentConformance.IntegrationTests.Support;
+
+/// <summary>
+/// Helper class to delete agents after tests.
+/// </summary>
+/// <param name="agent">The agent to delete.</param>
+/// <param name="fixture">The fixture that provides agent specific capabilities.</param>
+internal sealed class AgentCleanup(ChatClientAgent agent, IChatClientAgentFixture fixture) : IAsyncDisposable
+{
+    public async ValueTask DisposeAsync() =>
+        await fixture.DeleteAgentAsync(agent);
+}

dotnet/tests/AgentConformance.IntegrationTests/Support/Constants.cs

@@ -0,0 +1,9 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+namespace AgentConformance.IntegrationTests.Support;
+
+public static class Constants
+{
+    public const int RetryCount = 3;
+    public const int RetryDelay = 5000;
+}

dotnet/tests/AgentConformance.IntegrationTests/Support/SessionCleanup.cs

@@ -0,0 +1,18 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System;
+using System.Threading.Tasks;
+using Microsoft.Agents.AI;
+
+namespace AgentConformance.IntegrationTests.Support;
+
+/// <summary>
+/// Helper class to delete sessions after tests.
+/// </summary>
+/// <param name="session">The session to delete.</param>
+/// <param name="fixture">The fixture that provides agent specific capabilities.</param>
+public sealed class SessionCleanup(AgentSession session, IAgentFixture fixture) : IAsyncDisposable
+{
+    public async ValueTask DisposeAsync() =>
+        await fixture.DeleteSessionAsync(session);
+}

dotnet/tests/AgentConformance.IntegrationTests/Support/TestConfiguration.cs

@@ -0,0 +1,34 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System;
+using Microsoft.Extensions.Configuration;
+
+namespace AgentConformance.IntegrationTests.Support;
+
+/// <summary>
+/// Helper for loading test configuration settings.
+/// </summary>
+public sealed class TestConfiguration
+{
+    private static readonly IConfiguration s_configuration = new ConfigurationBuilder()
+        .AddJsonFile(path: "testsettings.development.json", optional: true)
+        .AddEnvironmentVariables()
+        .AddUserSecrets<TestConfiguration>()
+        .Build();
+
+    /// <summary>
+    /// Gets a configuration value by its flat key name.
+    /// </summary>
+    /// <param name="key">The configuration key.</param>
+    /// <returns>The configuration value, or <see langword="null"/> if not found.</returns>
+    public static string? GetValue(string key) => s_configuration[key];
+
+    /// <summary>
+    /// Gets a required configuration value by its flat key name.
+    /// </summary>
+    /// <param name="key">The configuration key.</param>
+    /// <returns>The configuration value.</returns>
+    /// <exception cref="InvalidOperationException">Thrown if the configuration value is not found.</exception>
+    public static string GetRequiredValue(string key) =>
+        s_configuration[key] ?? throw new InvalidOperationException($"Configuration key '{key}' is required but was not found.");
+}