HellionChat/HellionChat/SelfTests/ThemePickerCategoryStep.cs

using System.Linq;
using Dalamud.Bindings.ImGui;
using Dalamud.Plugin.SelfTest;
using HellionChat.Themes;
using HellionChat.Ui.Components.Settings;

namespace HellionChat.SelfTests;

internal sealed class ThemePickerCategoryStep : ISelfTestStep
{
    private readonly Plugin _plugin;

    public ThemePickerCategoryStep(Plugin plugin)
    {
        _plugin = plugin;
    }

    public string Name => "Hellion Chat - Theme picker category coverage";

    public SelfTestStepResult RunStep()
    {
        var builtinSlugs = _plugin.ThemeRegistry.BuiltinSlugs.ToHashSet();
        var categorySlugs = ThemePicker.CategoryMapSlugs.ToList();

        var duplicates = categorySlugs
            .GroupBy(x => x)
            .Where(g => g.Count() > 1)
            .Select(g => g.Key)
            .ToList();
        if (duplicates.Count > 0)
        {
            ImGui.Text($"Duplicate slugs in category map: {string.Join(", ", duplicates)}");
            return SelfTestStepResult.Fail;
        }

        var categorySet = categorySlugs.ToHashSet();
        var missing = builtinSlugs.Except(categorySet).ToList();
        var unknown = categorySet.Except(builtinSlugs).ToList();

        if (missing.Count > 0)
        {
            ImGui.Text($"Builtin slugs missing from category map: {string.Join(", ", missing)}");
            return SelfTestStepResult.Fail;
        }
        if (unknown.Count > 0)
        {
            ImGui.Text(
                $"Unknown slugs in category map (no matching builtin): {string.Join(", ", unknown)}"
            );
            return SelfTestStepResult.Fail;
        }

        return SelfTestStepResult.Pass;
    }

    public void CleanUp() { }
}