jellyfin/tests/Jellyfin.Server.Implementations.Tests/Sorting/ParentIndexNumberComparerTests.cs
2022-09-28 16:26:03 +02:00

50 lines
1.4 KiB
C#

using System;
using Emby.Server.Implementations.Sorting;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Sorting;
using Xunit;
namespace Jellyfin.Server.Implementations.Tests.Sorting;
public class ParentIndexNumberComparerTests
{
private readonly IBaseItemComparer _cmp = new ParentIndexNumberComparer();
public static TheoryData<BaseItem?, BaseItem?> Compare_GivenNull_ThrowsArgumentNullException_TestData()
=> new()
{
{ null, new Audio() },
{ new Audio(), null }
};
[Theory]
[MemberData(nameof(Compare_GivenNull_ThrowsArgumentNullException_TestData))]
public void Compare_GivenNull_ThrowsArgumentNullException(BaseItem? x, BaseItem? y)
{
Assert.Throws<ArgumentNullException>(() => _cmp.Compare(x, y));
}
[Theory]
[InlineData(null, null, 0)]
[InlineData(0, null, 1)]
[InlineData(null, 0, -1)]
[InlineData(1, 1, 0)]
[InlineData(0, 1, -1)]
[InlineData(1, 0, 1)]
public void Compare_ValidIndices_SortsExpected(int? parentIndex1, int? parentIndex2, int expected)
{
BaseItem x = new Audio
{
ParentIndexNumber = parentIndex1
};
BaseItem y = new Audio
{
ParentIndexNumber = parentIndex2
};
Assert.Equal(expected, _cmp.Compare(x, y));
Assert.Equal(-expected, _cmp.Compare(y, x));
}
}