using Jiaowu.Api.Infrastructure.Files;

namespace Jiaowu.Api.Tests;

public sealed class DownloadFileNameTests
{
    [Fact]
    public void Export_includes_safe_context_and_a_second_precision_timestamp()
    {
        var name = DownloadFileName.Export("课程/名单", "xlsx", " A:B ");

        Assert.Matches("^课程-名单-A-B-\\d{8}-\\d{6}\\.xlsx$", name);
    }

    [Fact]
    public void Template_has_a_stable_descriptive_name()
    {
        Assert.Equal("课程库-导入模板.xlsx", DownloadFileName.Template("课程库", ".xlsx"));
    }
}