public void Empty_ShouldCreateSingleOrEmptyWithNoElements()
{
// Arrange
// Act
var actual = SingleOrEmpty.Empty <int>();
// Assert
Assert.That(actual, Is.Empty);
}
public void Single_ShouldCreateSingleOrEmptyWithSingleElement()
{
// Arrange
var element = Guid.NewGuid();
// Act
var actual = SingleOrEmpty.Single(element);
// Assert
Assert.That(actual, Has.One.Items);
Assert.That(actual.Single(), Is.EqualTo(element));
}
private static ISingleOrEmpty <AssetInfo> TryGetAssetInfoFromFile(IFile file)
{
if (!AssetFileUtils.IsAssetFile(file.Path))
{
return(SingleOrEmpty.Empty <AssetInfo>());
}
using var fileStream = file.OpenRead();
var assetData = AssetData.Load(fileStream);
var assetInfo = new AssetInfo(assetData.AssetId, assetData.AssetType, file.Path);
return(SingleOrEmpty.Single(assetInfo));
}