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
@@ -0,0 +1,35 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System.Linq;
+using System.Text.Json;
+using Microsoft.Extensions.AI;
+
+namespace Microsoft.Agents.AI.Workflows.Declarative.UnitTests;
+
+/// <summary>
+/// Base class for event tests.
+/// </summary>
+public abstract class EventTest(ITestOutputHelper output) : WorkflowTest(output)
+{
+    protected static TEvent VerifyEventSerialization<TEvent>(TEvent source)
+    {
+        string? text = JsonSerializer.Serialize(source, AIJsonUtilities.DefaultOptions);
+        Assert.NotNull(text);
+        TEvent? copy = JsonSerializer.Deserialize<TEvent>(text, AIJsonUtilities.DefaultOptions);
+        Assert.NotNull(copy);
+        return copy;
+    }
+
+    protected static void AssertMessage(ChatMessage source, ChatMessage copy)
+    {
+        Assert.Equal(source.Role, copy.Role);
+        Assert.Equal(source.Text, copy.Text);
+        Assert.Equal(source.Contents.Count, copy.Contents.Count);
+    }
+
+    protected static TContent AssertContent<TContent>(ChatMessage message) where TContent : AIContent
+    {
+        TContent[] contents = message.Contents.OfType<TContent>().ToArray();
+        return Assert.Single(contents);
+    }
+}