chore: import upstream snapshot with attribution

2026-07-13 13:21:23 +08:00
commit b957a53def
5423 changed files with 863745 additions and 0 deletions
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+// Copyright (c) Microsoft. All rights reserved.
+
+using Microsoft.SemanticKernel;
+using Microsoft.SemanticKernel.ChatCompletion;
+using Microsoft.SemanticKernel.PromptTemplates.Handlebars;
+
+namespace PromptTemplates;
+
+public sealed class ChatLoopWithPrompt(ITestOutputHelper output) : BaseTest(output)
+{
+    /// <summary>
+    /// This sample demonstrates how to render a chat history to a
+    /// prompt and use chat completion prompts in a loop.
+    /// </summary>
+    [Fact]
+    public async Task ExecuteChatLoopAsPromptAsync()
+    {
+        var kernel = Kernel.CreateBuilder()
+            .AddOpenAIChatCompletion(
+                modelId: TestConfiguration.OpenAI.ChatModelId,
+                apiKey: TestConfiguration.OpenAI.ApiKey)
+            .Build();
+
+        var chatHistory = new ChatHistory();
+        KernelArguments arguments = new() { { "chatHistory", chatHistory } };
+
+        string[] userMessages = [
+            "What is Seattle?",
+            "What is the population of Seattle?",
+            "What is the area of Seattle?",
+            "What is the weather in Seattle?",
+            "What is the zip code of Seattle?",
+            "What is the elevation of Seattle?",
+            "What is the latitude of Seattle?",
+            "What is the longitude of Seattle?",
+            "What is the mayor of Seattle?"
+        ];
+
+        foreach (var userMessage in userMessages)
+        {
+            chatHistory.AddUserMessage(userMessage);
+            OutputLastMessage(chatHistory);
+
+            var function = kernel.CreateFunctionFromPrompt(
+                new()
+                {
+                    Template =
+                    """
+                    {{#each (chatHistory)}}
+                    <message role="{{Role}}">{{Content}}</message>
+                    {{/each}}
+                    """,
+                    TemplateFormat = "handlebars"
+                },
+                new HandlebarsPromptTemplateFactory()
+            );
+
+            var response = await kernel.InvokeAsync(function, arguments);
+
+            chatHistory.AddAssistantMessage(response.ToString());
+            OutputLastMessage(chatHistory);
+        }
+    }
+}