using WxAgent.Core;
using Xunit;

namespace WxAgent.Core.Tests;

public sealed class WechatDerivedTextTests
{
    [Fact]
    public void OnlyAddedTextIsReturnedAndDuplicateLinesArePreserved()
    {
        Assert.Equal($"result{Environment.NewLine}result",
            WechatDerivedText.AddedText(["original", "timestamp"], ["original", "timestamp", "result", "result"]));
        Assert.Equal("same", WechatDerivedText.AddedText(["same"], ["same", "same"]));
        Assert.Null(WechatDerivedText.AddedText(["original"], ["original"]));
        Assert.Null(WechatDerivedText.AddedText(["original"], ["unrelated replacement"]));
        Assert.Null(WechatDerivedText.AddedText(["same", "same"], ["same", "new"]));
    }

    [Theory]
    [InlineData("识别中")]
    [InlineData("转换中…")]
    [InlineData("语音转换失败")]
    [InlineData("识别失败，请重试")]
    [InlineData("未识别到文字")]
    [InlineData("无法转换")]
    [InlineData(" ")]
    public void TransientOrFailedResultsAreNotReturned(string status) =>
        Assert.Null(WechatDerivedText.AddedText(["original"], ["original", status]));
}