wehub-resource-sync
94 lines
3.2 KiB
C#
94 lines
3.2 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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using Microsoft.SemanticKernel;
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using Microsoft.SemanticKernel.Agents;
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using Microsoft.SemanticKernel.Agents.Chat;
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using Microsoft.SemanticKernel.ChatCompletion;
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using Resources;
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namespace GettingStarted;
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/// <summary>
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/// Demonstrate parsing JSON response.
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/// </summary>
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public class Step05_JsonResult(ITestOutputHelper output) : BaseAgentsTest(output)
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{
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private const int ScoreCompletionThreshold = 70;
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private const string TutorName = "Tutor";
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private const string TutorInstructions =
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"""
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Think step-by-step and rate the user input on creativity and expressiveness from 1-100.
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Respond in JSON format with the following JSON schema:
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{
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"score": "integer (1-100)",
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"notes": "the reason for your score"
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}
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""";
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[Theory]
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[InlineData(true)]
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[InlineData(false)]
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public async Task UseKernelFunctionStrategiesWithJsonResult(bool useChatClient)
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{
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// Define the agents
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ChatCompletionAgent agent =
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new()
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{
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Instructions = TutorInstructions,
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Name = TutorName,
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Kernel = this.CreateKernelWithChatCompletion(useChatClient, out var chatClient),
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};
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// Create a chat for agent interaction.
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AgentGroupChat chat =
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new()
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{
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ExecutionSettings =
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new()
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{
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// Here a TerminationStrategy subclass is used that will terminate when
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// the response includes a score that is greater than or equal to 70.
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TerminationStrategy = new ThresholdTerminationStrategy()
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}
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};
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// Respond to user input
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await InvokeAgentAsync("The sunset is very colorful.");
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await InvokeAgentAsync("The sunset is setting over the mountains.");
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await InvokeAgentAsync("The sunset is setting over the mountains and filled the sky with a deep red flame, setting the clouds ablaze.");
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chatClient?.Dispose();
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// Local function to invoke agent and display the conversation messages.
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async Task InvokeAgentAsync(string input)
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{
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ChatMessageContent message = new(AuthorRole.User, input);
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chat.AddChatMessage(message);
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this.WriteAgentChatMessage(message);
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await foreach (ChatMessageContent response in chat.InvokeAsync(agent))
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{
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this.WriteAgentChatMessage(response);
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Console.WriteLine($"[IS COMPLETED: {chat.IsComplete}]");
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}
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}
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}
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private record struct WritingScore(int score, string notes);
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private sealed class ThresholdTerminationStrategy : TerminationStrategy
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{
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protected override Task<bool> ShouldAgentTerminateAsync(Agent agent, IReadOnlyList<ChatMessageContent> history, CancellationToken cancellationToken)
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{
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string lastMessageContent = history[history.Count - 1].Content ?? string.Empty;
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WritingScore? result = JsonResultTranslator.Translate<WritingScore>(lastMessageContent);
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return Task.FromResult((result?.score ?? 0) >= ScoreCompletionThreshold);
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}
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}
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}
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