diff options
| -rw-r--r-- | MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs | 25 | ||||
| -rw-r--r-- | tests/Jellyfin.Server.Implementations.Tests/SyncPlay/PlayQueueManagerTests.cs | 156 |
2 files changed, 178 insertions, 3 deletions
diff --git a/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs b/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs index c0a168192e..9326864d78 100644 --- a/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs +++ b/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs @@ -272,7 +272,7 @@ namespace MediaBrowser.Controller.SyncPlay.Queue public void SetPlayingItemByIndex(int playlistIndex) { var playlist = GetPlaylistInternal(); - if (playlistIndex < 0 || playlistIndex > playlist.Count) + if (playlistIndex < 0 || playlistIndex >= playlist.Count) { PlayingItemIndex = NoPlayingItemIndex; } @@ -293,6 +293,15 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { var playingItem = GetPlayingItem(); + // Removed items that precede the playing item shift its index as well. + var removedBeforePlayingItem = 0; + if (playingItem is not null) + { + removedBeforePlayingItem = GetPlaylistInternal() + .Take(PlayingItemIndex) + .Count(item => playlistItemIds.Contains(item.PlaylistItemId)); + } + _sortedPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); _shuffledPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); @@ -303,12 +312,12 @@ namespace MediaBrowser.Controller.SyncPlay.Queue if (playlistItemIds.Contains(playingItem.PlaylistItemId)) { // Playing item has been removed, picking previous item. - PlayingItemIndex--; + PlayingItemIndex -= removedBeforePlayingItem + 1; if (PlayingItemIndex < 0) { // Was first element, picking next if available. // Default to no playing item otherwise. - PlayingItemIndex = _sortedPlaylist.Count > 0 ? 0 : NoPlayingItemIndex; + PlayingItemIndex = GetPlaylistInternal().Count > 0 ? 0 : NoPlayingItemIndex; } return true; @@ -444,6 +453,11 @@ namespace MediaBrowser.Controller.SyncPlay.Queue /// <returns><c>true</c> if the playing item changed; <c>false</c> otherwise.</returns> public bool Next() { + if (GetPlaylistInternal().Count == 0) + { + return false; + } + if (RepeatMode.Equals(GroupRepeatMode.RepeatOne)) { LastChange = DateTime.UtcNow; @@ -474,6 +488,11 @@ namespace MediaBrowser.Controller.SyncPlay.Queue /// <returns><c>true</c> if the playing item changed; <c>false</c> otherwise.</returns> public bool Previous() { + if (GetPlaylistInternal().Count == 0) + { + return false; + } + if (RepeatMode.Equals(GroupRepeatMode.RepeatOne)) { LastChange = DateTime.UtcNow; diff --git a/tests/Jellyfin.Server.Implementations.Tests/SyncPlay/PlayQueueManagerTests.cs b/tests/Jellyfin.Server.Implementations.Tests/SyncPlay/PlayQueueManagerTests.cs new file mode 100644 index 0000000000..32685556b2 --- /dev/null +++ b/tests/Jellyfin.Server.Implementations.Tests/SyncPlay/PlayQueueManagerTests.cs @@ -0,0 +1,156 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using MediaBrowser.Controller.SyncPlay.Queue; +using MediaBrowser.Model.SyncPlay; +using Xunit; + +namespace Jellyfin.Server.Implementations.Tests.SyncPlay; + +public class PlayQueueManagerTests +{ + private static PlayQueueManager CreateQueue(int itemCount) + { + var items = Enumerable.Range(0, itemCount).Select(_ => Guid.NewGuid()).ToList(); + var queue = new PlayQueueManager(); + queue.SetPlaylist(items); + return queue; + } + + [Fact] + public void RemoveFromPlaylist_PlayingItemAndPrecedingItemRemoved_PicksPreviousItem() + { + var queue = CreateQueue(5); + queue.SetPlayingItemByIndex(3); + + var playlist = queue.GetPlaylist(); + var expectedItemId = playlist[2].ItemId; + var toRemove = new List<Guid> { playlist[0].PlaylistItemId, playlist[3].PlaylistItemId }; + var playingItemRemoved = queue.RemoveFromPlaylist(toRemove); + + Assert.True(playingItemRemoved); + Assert.Equal(3, queue.GetPlaylist().Count); + Assert.Equal(1, queue.PlayingItemIndex); + Assert.Equal(expectedItemId, queue.GetPlayingItemId()); + } + + [Fact] + public void RemoveFromPlaylist_PlayingItemAndAllPrecedingItemsRemoved_PicksFirstRemainingItem() + { + var queue = CreateQueue(3); + queue.SetPlayingItemByIndex(2); + + var playlist = queue.GetPlaylist(); + var expectedItemId = playlist[1].ItemId; + var toRemove = new List<Guid> { playlist[0].PlaylistItemId, playlist[2].PlaylistItemId }; + var playingItemRemoved = queue.RemoveFromPlaylist(toRemove); + + Assert.True(playingItemRemoved); + Assert.Single(queue.GetPlaylist()); + Assert.Equal(0, queue.PlayingItemIndex); + Assert.Equal(expectedItemId, queue.GetPlayingItemId()); + } + + [Fact] + public void RemoveFromPlaylist_AllItemsRemoved_ResetsPlayingItem() + { + var queue = CreateQueue(2); + queue.SetPlayingItemByIndex(1); + + var toRemove = queue.GetPlaylist().Select(item => item.PlaylistItemId).ToList(); + var playingItemRemoved = queue.RemoveFromPlaylist(toRemove); + + Assert.True(playingItemRemoved); + Assert.Empty(queue.GetPlaylist()); + Assert.False(queue.IsItemPlaying()); + Assert.Equal(Guid.Empty, queue.GetPlayingItemPlaylistId()); + } + + [Fact] + public void RemoveFromPlaylist_ShuffleMode_PicksPreviousItem() + { + var queue = CreateQueue(5); + queue.SetShuffleMode(GroupShuffleMode.Shuffle); + queue.SetPlayingItemByIndex(3); + + var playlist = queue.GetPlaylist(); + var expectedItemId = playlist[2].ItemId; + var toRemove = new List<Guid> { playlist[0].PlaylistItemId, playlist[3].PlaylistItemId }; + var playingItemRemoved = queue.RemoveFromPlaylist(toRemove); + + Assert.True(playingItemRemoved); + Assert.Equal(3, queue.GetPlaylist().Count); + Assert.Equal(1, queue.PlayingItemIndex); + Assert.Equal(expectedItemId, queue.GetPlayingItemId()); + } + + [Fact] + public void RemoveFromPlaylist_PlayingItemNotRemoved_RestoresPlayingItem() + { + var queue = CreateQueue(3); + queue.SetPlayingItemByIndex(2); + + var playlist = queue.GetPlaylist(); + var expectedItemId = playlist[2].ItemId; + var toRemove = new List<Guid> { playlist[0].PlaylistItemId }; + var playingItemRemoved = queue.RemoveFromPlaylist(toRemove); + + Assert.False(playingItemRemoved); + Assert.Equal(1, queue.PlayingItemIndex); + Assert.Equal(expectedItemId, queue.GetPlayingItemId()); + } + + [Theory] + [InlineData(GroupRepeatMode.RepeatNone)] + [InlineData(GroupRepeatMode.RepeatOne)] + [InlineData(GroupRepeatMode.RepeatAll)] + public void Next_EmptyPlaylist_ReturnsFalse(GroupRepeatMode repeatMode) + { + var queue = new PlayQueueManager(); + queue.SetRepeatMode(repeatMode); + + Assert.False(queue.Next()); + Assert.False(queue.IsItemPlaying()); + Assert.Equal(Guid.Empty, queue.GetPlayingItemPlaylistId()); + } + + [Theory] + [InlineData(GroupRepeatMode.RepeatNone)] + [InlineData(GroupRepeatMode.RepeatOne)] + [InlineData(GroupRepeatMode.RepeatAll)] + public void Previous_EmptyPlaylist_ReturnsFalse(GroupRepeatMode repeatMode) + { + var queue = new PlayQueueManager(); + queue.SetRepeatMode(repeatMode); + + Assert.False(queue.Previous()); + Assert.False(queue.IsItemPlaying()); + Assert.Equal(Guid.Empty, queue.GetPlayingItemPlaylistId()); + } + + [Theory] + [InlineData(-1)] + [InlineData(2)] + [InlineData(3)] + public void SetPlayingItemByIndex_OutOfBounds_ResetsPlayingItem(int playlistIndex) + { + var queue = CreateQueue(2); + + queue.SetPlayingItemByIndex(playlistIndex); + + Assert.False(queue.IsItemPlaying()); + Assert.Equal(Guid.Empty, queue.GetPlayingItemPlaylistId()); + } + + [Fact] + public void SetPlayingItemByIndex_InBounds_SetsPlayingItem() + { + var queue = CreateQueue(2); + var expectedItemId = queue.GetPlaylist()[1].ItemId; + + queue.SetPlayingItemByIndex(1); + + Assert.True(queue.IsItemPlaying()); + Assert.Equal(expectedItemId, queue.GetPlayingItemId()); + } +} |