SemanticKernelStudy/SemanticKernelStudy.Test/KernelTest.cs

namespace SemanticKernelStudy.Test;

public class SemanticKernelTest
{
    private ILogger<SemanticKernelTest> _logger;
    public SemanticKernelTest(ILogger<SemanticKernelTest> logger)
    {
        _logger = logger;
    }

    [Fact]
    public async Task Use_SemanticKernel_Test()
    {
        //创建Kernel构建器
        var kernelBuilder = Kernel.CreateBuilder();

        //添加AI服务
        kernelBuilder.AddOllamaChatClient("qwen3:0.6b", new Uri("http://localhost:11434/v1"), "ollamaService");

        //添加内置时间插件
        kernelBuilder.Plugins.AddFromType<TimePlugin>();

        //添加企业级服务(日志、过滤器等)
        kernelBuilder.Services.AddLogging(services => services.AddConsole().SetMinimumLevel(LogLevel.Trace));

        //由构建器构建Kernel
        Kernel kernel = kernelBuilder.Build();

        //发请求信息
        FunctionResult result = await kernel.InvokePromptAsync("你好");

        //获取返回结果
        ChatResponse? response = result.GetValue<ChatResponse>();

        //提取返回文本
        var responseText = response?.Messages.First().Text;

        //打印返回文本
        _logger.LogInformation(responseText??string.Empty);
    }

    [Fact]
    public async Task Use_Image_Test()
    {
        HttpClient httpClient = new HttpClient()
        { 
            Timeout = TimeSpan.FromMinutes(10),
            BaseAddress = new Uri("http://localhost:11434/"),
        };

        var ollamaClient = new OllamaSharp.OllamaApiClient(httpClient, "gemma3:4b");
        var chatClient = ollamaClient as IChatClient;

        byte[] imagData = File.ReadAllBytes("Assets/Images/1.jpg");

        AIContent imageContent = new DataContent(imagData, "image/jpeg");
        ChatMessage imageMessage = new ChatMessage(Microsoft.Extensions.AI.ChatRole.User, [imageContent]);

        List<ChatMessage> messages = new List<ChatMessage>()
        { 
            new ChatMessage(Microsoft.Extensions.AI.ChatRole.System,"你是一个使用直接风格描述图像的AI助手"),
            new ChatMessage(Microsoft.Extensions.AI.ChatRole.User,"这张图片中有几个人？"),
            imageMessage,
        };

        var dd = await chatClient.GetResponseAsync(messages);
    }

    [Fact]
    public async Task Use_Audio_Test()
    {
        HttpClient httpClient = new HttpClient()
        {
            Timeout = TimeSpan.FromMinutes(10),
            BaseAddress = new Uri("http://localhost:11434/"),
        };

        var ollamaClient = new OllamaApiClient(httpClient, "Qwen2-Audio-7B");
        var chatClient = ollamaClient as IChatClient;

        var s = ollamaClient.CreateSamplingHandler();

        byte[] imagData = File.ReadAllBytes("Assets/Audios/dongdong.mp3");

        AIContent content = new DataContent(imagData, "audio/mpeg");

        ChatMessage imageMessage = new ChatMessage(Microsoft.Extensions.AI.ChatRole.User, [content]);

        List<ChatMessage> messages = new List<ChatMessage>()
        {
            new ChatMessage(Microsoft.Extensions.AI.ChatRole.System,"你是一个使用直接风格描述图像的AI助手"),
            new ChatMessage(Microsoft.Extensions.AI.ChatRole.User,"识别这段mp3语音的内容"),
            imageMessage,
        };

        var dd = await chatClient.GetResponseAsync(messages);
    }
}