Explorer-Workbench/tests/Explorer.Application.Tests/PathHistoryStoreTests.cs

using Explorer.Application;
using Explorer.Domain.Abstractions;

namespace Explorer.Application.Tests;

public class PathHistoryStoreTests
{
    [Fact]
    public void Remember_moves_existing_path_to_front()
    {
        var next = PathHistoryStore.Remember(["D:\\Photos", "C:\\"], @"c:\");
        Assert.Equal(@"c:\", next[0]);
        Assert.Equal(2, next.Count);
        Assert.Equal(@"D:\Photos", next[1]);
    }

    [Fact]
    public void Load_and_save_roundtrip()
    {
        var dir = Path.Combine(Path.GetTempPath(), "ew-path-history", Guid.NewGuid().ToString("N"));
        try
        {
            var store = new PathHistoryStore(new HistoryEnv(dir));
            store.Save(["C:\\Work", "This PC", "  "]);
            var loaded = store.Load();
            Assert.Equal(["C:\\Work"], loaded);
        }
        finally
        {
            try { Directory.Delete(dir, true); } catch { /* ignore */ }
        }
    }
}

file sealed class HistoryEnv : IAppEnvironment
{
    public HistoryEnv(string dir)
    {
        DataDirectory = dir;
        Directory.CreateDirectory(dir);
        DatabasePath = Path.Combine(dir, "index.db");
        LogDirectory = Path.Combine(dir, "logs");
        Directory.CreateDirectory(LogDirectory);
    }

    public string DataDirectory { get; }
    public string DatabasePath { get; }
    public string LogDirectory { get; }
}