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 System.ComponentModel;
+using Microsoft.SemanticKernel;
+using Microsoft.SemanticKernel.ChatCompletion;
+using Microsoft.SemanticKernel.Connectors.OpenAI;
+
+namespace ChatCompletion;
+
+/// <summary>
+///  Sample shows how to the model will reuse a function result from the chat history.
+/// </summary>
+public sealed class OpenAI_RepeatedFunctionCalling(ITestOutputHelper output) : BaseTest(output)
+{
+    /// <summary>
+    /// Sample shows a chat history where each ask requires a function to be called but when
+    /// an ask is repeated the model will reuse the previous function result.
+    /// </summary>
+    [Fact]
+    public async Task ReuseFunctionResultExecutionAsync()
+    {
+        // Create a kernel with OpenAI chat completion and WeatherPlugin
+        Kernel kernel = CreateKernelWithPlugin<WeatherPlugin>();
+        var service = kernel.GetRequiredService<IChatCompletionService>();
+
+        // Invoke chat prompt with auto invocation of functions enabled
+        var chatHistory = new ChatHistory
+        {
+            new ChatMessageContent(AuthorRole.User, "What is the weather like in Boston?")
+        };
+        var executionSettings = new OpenAIPromptExecutionSettings { FunctionChoiceBehavior = FunctionChoiceBehavior.Auto() };
+        var result1 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
+        chatHistory.Add(result1);
+        Console.WriteLine(result1);
+
+        chatHistory.Add(new ChatMessageContent(AuthorRole.User, "What is the weather like in Paris?"));
+        var result2 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
+        chatHistory.Add(result2);
+        Console.WriteLine(result2);
+
+        chatHistory.Add(new ChatMessageContent(AuthorRole.User, "What is the weather like in Dublin?"));
+        var result3 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
+        chatHistory.Add(result3);
+        Console.WriteLine(result3);
+
+        chatHistory.Add(new ChatMessageContent(AuthorRole.User, "What is the weather like in Boston?"));
+        var result4 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
+        chatHistory.Add(result4);
+        Console.WriteLine(result4);
+    }
+    private sealed class WeatherPlugin
+    {
+        [KernelFunction]
+        [Description("Get the current weather in a given location.")]
+        public string GetWeather(
+            [Description("The city and department, e.g. Marseille, 13")] string location
+        ) => $"12°C\nWind: 11 KMPH\nHumidity: 48%\nMostly cloudy\nLocation: {location}";
+    }
+
+    private Kernel CreateKernelWithPlugin<T>()
+    {
+        // Create a logging handler to output HTTP requests and responses
+        var handler = new LoggingHandler(new HttpClientHandler(), this.Output);
+        HttpClient httpClient = new(handler);
+
+        // Create a kernel with OpenAI chat completion and WeatherPlugin
+        IKernelBuilder kernelBuilder = Kernel.CreateBuilder();
+        kernelBuilder.AddOpenAIChatCompletion(
+                modelId: TestConfiguration.OpenAI.ChatModelId!,
+                apiKey: TestConfiguration.OpenAI.ApiKey!,
+                httpClient: httpClient);
+        kernelBuilder.Plugins.AddFromType<T>();
+        Kernel kernel = kernelBuilder.Build();
+        return kernel;
+    }
+}