wabbajack/Wabbajack.Hashing.PHash.Test/FileLoadingTests.cs

using System.Threading.Tasks;
using Shipwreck.Phash;
using Wabbajack.DTOs.Texture;
using Wabbajack.Paths;
using Wabbajack.Paths.IO;
using Xunit;

namespace Wabbajack.Hashing.PHash.Test
{
    public class FileLoadingTests
    {
        [Theory]
        [InlineData("test-dxt5.dds", 1.0f)]
        [InlineData("test-dxt5-recompressed.dds", 1f)]
        [InlineData("test-dxt5-small-bc7.dds", 0.983f)]
        [InlineData("test-dxt5-small-bc7-vflip.dds", 0.189f)]
        public async Task LoadAllFiles(string file, float difference)
        {
            var baseState =
                await ImageLoader.Load("TestData/test-dxt5.dds".ToRelativePath().RelativeTo(KnownFolders.EntryPoint));
            var state = await ImageLoader.Load("TestData".ToRelativePath().Combine(file)
                .RelativeTo(KnownFolders.EntryPoint));
            
            Assert.NotEqual(DXGI_FORMAT.UNKNOWN, baseState.Format);

            Assert.Equal(difference,
                ImagePhash.GetCrossCorrelation(
                    new Digest { Coefficients = baseState.PerceptualHash.Data },
                    new Digest { Coefficients = state.PerceptualHash.Data }),
                1.0);
        }
    }
}