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using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Providers.MediaInfo;
using Microsoft.Extensions.Logging.Abstractions;
using Moq;
using Xunit;
namespace Jellyfin.Providers.Tests.MediaInfo
{
public class VideoImageProviderTests
{
public static TheoryData<Video> GetImage_UnsupportedInput_ReturnsNoImage_TestData()
{
return new()
{
new Movie { IsPlaceHolder = true },
new Movie { DefaultVideoStreamIndex = null },
// set a default index but don't put anything there (invalid input, but provider shouldn't break)
new Movie { DefaultVideoStreamIndex = 0 }
};
}
[Theory]
[MemberData(nameof(GetImage_UnsupportedInput_ReturnsNoImage_TestData))]
public async Task GetImage_UnsupportedInput_ReturnsNoImage(Video input)
{
var mediaSourceManager = GetMediaSourceManager(input, null, new List<MediaStream>());
var videoImageProvider = new VideoImageProvider(mediaSourceManager, Mock.Of<IMediaEncoder>(), new NullLogger<VideoImageProvider>());
var actual = await videoImageProvider.GetImage(input, ImageType.Primary, CancellationToken.None);
Assert.NotNull(actual);
Assert.False(actual.HasImage);
}
[Theory]
[InlineData(1, 1)] // default not first stream
[InlineData(5, 0)] // default out of valid range
public async Task GetImage_DefaultVideoStreams_ReturnsCorrectStreamImage(int defaultIndex, int targetIndex)
{
var input = new Movie { DefaultVideoStreamIndex = defaultIndex };
string targetPath = "path.jpg";
var mediaStreams = new List<MediaStream>();
var mediaEncoder = new Mock<IMediaEncoder>(MockBehavior.Strict);
for (int i = 0; i <= targetIndex; i++)
{
var mediaStream = new MediaStream { Type = MediaStreamType.Video, Index = i };
mediaStreams.Add(mediaStream);
var path = i == targetIndex ? targetPath : "wrong stream called!";
mediaEncoder.Setup(encoder => encoder.ExtractVideoImage(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<MediaSourceInfo>(), mediaStream, It.IsAny<Video3DFormat?>(), It.IsAny<TimeSpan?>(), It.IsAny<CancellationToken>()))
.Returns(Task.FromResult(path));
}
var defaultStream = defaultIndex < mediaStreams.Count ? mediaStreams[targetIndex] : null;
var mediaSourceManager = GetMediaSourceManager(input, defaultStream, mediaStreams);
var videoImageProvider = new VideoImageProvider(mediaSourceManager, mediaEncoder.Object, new NullLogger<VideoImageProvider>());
var actual = await videoImageProvider.GetImage(input, ImageType.Primary, CancellationToken.None);
Assert.NotNull(actual);
Assert.True(actual.HasImage);
Assert.Equal(targetPath, actual.Path);
Assert.Equal(ImageFormat.Jpg, actual.Format);
}
[Theory]
[InlineData(null, 10)] // default time
[InlineData(500, 50)] // calculated time
public async Task GetImage_TimeSpan_SelectsCorrectTime(int? runTimeSeconds, long expectedSeconds)
{
MediaStream targetStream = new() { Type = MediaStreamType.Video, Index = 0 };
var input = new Movie
{
DefaultVideoStreamIndex = 0,
RunTimeTicks = runTimeSeconds * TimeSpan.TicksPerSecond
};
var mediaSourceManager = GetMediaSourceManager(input, targetStream, new List<MediaStream> { targetStream });
// use a callback to catch the actual value
// provides more information on failure than verifying a specific input was called on the mock
TimeSpan? actualTimeSpan = null;
var mediaEncoder = new Mock<IMediaEncoder>(MockBehavior.Strict);
mediaEncoder.Setup(encoder => encoder.ExtractVideoImage(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<MediaSourceInfo>(), It.IsAny<MediaStream>(), It.IsAny<Video3DFormat?>(), It.IsAny<TimeSpan?>(), CancellationToken.None))
.Callback<string, string, MediaSourceInfo, MediaStream, Video3DFormat?, TimeSpan?, CancellationToken>((_, _, _, _, _, timeSpan, _) => actualTimeSpan = timeSpan)
.Returns(Task.FromResult("path"));
var videoImageProvider = new VideoImageProvider(mediaSourceManager, mediaEncoder.Object, new NullLogger<VideoImageProvider>());
// not testing return, just verifying what gets requested for time span
await videoImageProvider.GetImage(input, ImageType.Primary, CancellationToken.None);
Assert.Equal(TimeSpan.FromSeconds(expectedSeconds), actualTimeSpan);
}
private static IMediaSourceManager GetMediaSourceManager(Video item, MediaStream? defaultStream, List<MediaStream> mediaStreams)
{
var defaultStreamList = new List<MediaStream>();
if (defaultStream is not null)
{
defaultStreamList.Add(defaultStream);
}
var mediaSourceManager = new Mock<IMediaSourceManager>(MockBehavior.Strict);
mediaSourceManager.Setup(i => i.GetMediaStreams(It.Is<MediaStreamQuery>(q => q.ItemId.Equals(item.Id) && q.Index == item.DefaultVideoStreamIndex)))
.Returns(defaultStreamList);
mediaSourceManager.Setup(i => i.GetMediaStreams(It.Is<MediaStreamQuery>(q => q.ItemId.Equals(item.Id) && q.Type == MediaStreamType.Video)))
.Returns(mediaStreams);
return mediaSourceManager.Object;
}
}
}
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