wabbajack/Wabbajack.Paths.IO.Test/AbsolutePathTests.cs

using System;
using System.Linq;
using System.Threading.Tasks;
using FsCheck.Xunit;
using Xunit;

namespace Wabbajack.Paths.IO.Test
{
    public class AbsolutePathTests
    {
        private AbsolutePath GetTempFile()
        {
            return KnownFolders.EntryPoint.Combine(Guid.NewGuid().ToString());
        }

        [Property(StartSize = 1024)]
        public void CanReadAndWriteFiles(byte[] data)
        {
            var file = GetTempFile();
            file.WriteAllBytes(data);

            Assert.Equal(data.Length, file.Size());

            Assert.Equal(data, file.ReadAllBytes());
            file.Delete();

            file.WriteAllText("Test");
            Assert.Equal("Test", file.ReadAllText());
        }

        [Fact]
        public async ValueTask CanReadAndWriteFilesAsync()
        {
            var data = "This is a test";
            var file = GetTempFile();
            await file.WriteAllTextAsync(data);

            Assert.Equal(data.Length, file.Size());

            Assert.Equal(data, await file.ReadAllTextAsync());
            file.Delete();
        }

        [Property(EndSize = 100)] // OSX has a max length of 1024
        public void LongPathsAreSupported(uint depth)
        {
            var basePath = KnownFolders.EntryPoint.Combine("deep_paths");
            basePath.DeleteDirectory();

            var path = Enumerable.Range(1, (int)depth + 1).Aggregate(basePath, (path, i) => path.Combine($"path_{i}"));
            path.Parent.CreateDirectory();
            path.WriteAllText("test");

            basePath.DeleteDirectory();
        }
    }
}