private bool MatchPlayRequestMessage(object m, MediaItem mediaItem)
{
var message = m as PlayRequestMessage;
if (message == null) return false;
return object.ReferenceEquals(message.Media, mediaItem);
}
public void Download_progress_should_be_constrained_from_zero_to_one_hundred()
{
var item = new MediaItem();
Assert.AreEqual(0, item.DownloadProgress);
item.DownloadProgress = -1;
Assert.AreEqual(0, item.DownloadProgress);
item.DownloadProgress = 1;
Assert.AreEqual(1, item.DownloadProgress);
item.DownloadProgress = 99;
Assert.AreEqual(99, item.DownloadProgress);
item.DownloadProgress = 100;
Assert.AreEqual(100, item.DownloadProgress);
item.DownloadProgress = 101;
Assert.AreEqual(100, item.DownloadProgress);
item.DownloadProgress = int.MaxValue;
Assert.AreEqual(100, item.DownloadProgress);
item.DownloadProgress = int.MinValue;
Assert.AreEqual(0, item.DownloadProgress);
}
private PlaylistItemViewModel Create(bool isInPlaylist, int displayIndex, int totalPlaylistItems)
{
var item = new MediaItem { Id = "test-1", Name = "test 1" };
var library = new Mock<ILibrary>();
library.Setup(l => l.MediaItems).Returns(new ObservableCollection<MediaItem>(new[] { item }));
var eventAgg = new Mock<IEventAggregator>().Object;
var persister = new Mock<IPodcastPlayPersister>().Object;
return new PlaylistItemViewModel(new PodcastPlayViewModel(library.Object, eventAgg, persister), new MediaItemViewModel(eventAgg, item), isInPlaylist, displayIndex, totalPlaylistItems);
}
public void Playing_media_should_send_a_play_message_to_the_event_agg()
{
var eventAgg = new Mock<IEventAggregator>();
var mediaItem = new MediaItem { Name = "test-item-to-play", IsAvailable = true };
var model = new MediaItemViewModel(eventAgg.Object, mediaItem);
model.PlayMediaItem();
eventAgg.Verify(e => e.Publish(Match.Create<object>(m => MatchPlayRequestMessage(m, mediaItem))));
}
public void When_saving_media_item_should_write_file_to_library_directory()
{
var persistence = new Mock<IPersistence>();
var persister = new MediaItemPersister(persistence.Object);
var mediaItem = new MediaItem { Id = "test1", Name = "test-1", IsAvailable = true, DataStream = () => new MemoryStream() };
persister.Save(mediaItem);
persistence.Verify(p => p.WriteTextFile("library", "test1", It.Is<string>(xml => MediaItemXml(mediaItem, xml))));
persistence.Verify(p => p.WriteBinaryFile("library.data", "test1", It.IsAny<Stream>()));
}
public void Given_media_binary_already_exists_when_saving_media_item_should_not_write_file_to_library_directory()
{
var persistence = new Mock<IPersistence>(MockBehavior.Strict);
var persister = new MediaItemPersister(persistence.Object);
persistence.Setup(p => p.Filenames("library.data")).Returns(new[] { "test1" });
persistence.Setup(p => p.WriteTextFile(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()));
var mediaItem = new MediaItem { Id = "test1", Name = "test-1", IsAvailable = true, DataStream = () => new MemoryStream() };
persister.Save(mediaItem);
persistence.Verify(p => p.WriteTextFile("library", "test1", It.Is<string>(xml => MediaItemXml(mediaItem, xml))));
}
public void Can_only_play_or_delete_media_when_media_is_available_and_not_deleted()
{
var eventAgg = new Mock<IEventAggregator>();
var mediaItem = new MediaItem();
var model = new MediaItemViewModel(eventAgg.Object, mediaItem);
Assert.IsFalse(model.CanPlayMediaItem);
Assert.IsFalse(model.CanDeleteMediaItem);
mediaItem.IsAvailable = true;
Assert.IsTrue(model.CanPlayMediaItem);
Assert.IsTrue(model.CanDeleteMediaItem);
model.DeleteMediaItem();
Assert.IsFalse(model.CanPlayMediaItem);
Assert.IsFalse(model.CanDeleteMediaItem);
}
public void Given_item_playing_when_item_is_deleted_should_stop_playing()
{
var eventAgg = new Mock<IEventAggregator>();
var mediaItemPersister = new Mock<IMediaItemPersister>();
var vm = new NowPlayingViewModel(eventAgg.Object, mediaItemPersister.Object);
var media1 = new MediaItem();
media1.IsDeleted = false;
vm.Handle(new PlayRequestMessage(media1));
Assert.AreEqual(PlayerState.Playing, vm.MediaPlayerState);
media1.IsDeleted = true;
Assert.AreEqual(PlayerState.Stopped, vm.MediaPlayerState);
Assert.AreEqual("(Nothing)", vm.CurrentlyPlaying);
}
public void Given_a_new_item_to_play_should_persist_the_previously_playing_item()
{
var eventAgg = new Mock<IEventAggregator>();
var mediaItemPersister = new Mock<IMediaItemPersister>();
var vm = new NowPlayingViewModel(eventAgg.Object, mediaItemPersister.Object);
var media1 = new MediaItem();
vm.Handle(new PlayRequestMessage(media1));
var media2 = new MediaItem();
vm.Handle(new PlayRequestMessage(media2));
mediaItemPersister.Verify(p => p.Save(media1));
vm.Handle(new PlayRequestMessage(media1));
mediaItemPersister.Verify(p => p.Save(media2));
}
public MediaItem AddNewMediaItem(string name, Uri originalUri)
{
var newMediaItem = new MediaItem { Name = name, IsAvailable = false };
MediaItems.Add(newMediaItem);
log.Info("Adding item {0} (url: {1}) to library", name, originalUri);
var client = new WebClient();
client.OpenReadCompleted += (s, e) =>
{
log.Info("Item {0} (url: {1}) download complete.", name, originalUri);
newMediaItem.DataStream = () => e.Result;
newMediaItem.IsAvailable = true;
mediaItemPersister.Save(newMediaItem);
mediaItems.RaiseCollectionChanged();
};
client.DownloadProgressChanged += (s, e) =>
{
newMediaItem.DownloadProgress = e.ProgressPercentage;
};
client.OpenReadAsync(originalUri);
return newMediaItem;
}
public MediaItemDeletedMessage(MediaItem media)
{
this.Media = media;
}
public NowPlayingMediaEndedMessage(MediaItem media)
{
this.media = media;
}
private bool MediaItemXml(MediaItem item, string xml)
{
var xdoc = XDocument.Parse(xml);
using (var writer = new StringWriter())
{
xdoc.Save(writer, SaveOptions.None);
Assert.AreEqual(
string.Format(@"<?xml version=""1.0"" encoding=""utf-16""?>
<MediaItem Name=""{0}"" Deleted=""{1}"" MediaPosition=""{2}"" UtcDateAddedToLibrary=""{3}"">
<ExtendedProperties />
</MediaItem>", item.Name, item.IsDeleted.ToString().ToLower(), item.MediaPosition, item.UtcDateAddedToLibrary.ToString("u")),
writer.ToString());
return true;
}
}
public PlayRequestMessage(MediaItem media)
{
this.Media = media;
}
public void When_items_are_moved_in_playlists_then_persister_should_be_called()
{
var item1 = new MediaItem { Id = "test-1", Name = "test 1", IsAvailable = true };
var item2 = new MediaItem { Id = "test-2", Name = "test 2", IsAvailable = true };
var item3 = new MediaItem { Id = "test-3", Name = "test 3", IsAvailable = true };
var library = new Mock<ILibrary>();
library.Setup(l => l.MediaItems).Returns(new ObservableCollection<MediaItem>(new[] { item1, item2, item3 }));
var eventAgg = new Mock<IEventAggregator>().Object;
var persister = new Mock<IPodcastPlayPersister>();
persister.Setup(p => p.IsEmpty).Returns(true);
var vm = new PodcastPlayViewModel(library.Object, eventAgg, persister.Object);
Assert.AreEqual(3, vm.PlaylistItems.Count());
Assert.AreEqual(0, vm.ExcludedItems.Count());
vm.Move(vm.PlaylistItems.ElementAt(0), false);
persister.Verify(p => p.Save(It.Is<IEnumerable<string>>(pl => pl.SequenceEqual(new[] { "test-2", "test-1", "test-3" })), It.Is<IEnumerable<string>>(pl => pl.SequenceEqual(new string[0]))));
vm.SwitchPlaylist(vm.PlaylistItems.ElementAt(2));
persister.Verify(p => p.Save(It.Is<IEnumerable<string>>(pl => pl.SequenceEqual(new[] { "test-2", "test-1" })), It.Is<IEnumerable<string>>(pl => pl.SequenceEqual(new[] { "test-3" }))));
}
public void When_media_is_opened_should_forward_to_previous_media_position()
{
var eventAgg = new Mock<IEventAggregator>();
var vm = new NowPlayingViewModel(eventAgg.Object, new Mock<IMediaItemPersister>().Object);
var media = new MediaItem();
media.MediaPosition = 100;
vm.Handle(new PlayRequestMessage(media));
Assert.AreEqual(0, vm.SliderPosition);
vm.MediaOpened();
Assert.AreEqual(100, vm.SliderPosition);
}
public void When_requesting_to_play_currently_playing_media_should_just_resume_playing()
{
var eventAgg = new Mock<IEventAggregator>();
var vm = new NowPlayingViewModel(eventAgg.Object, new Mock<IMediaItemPersister>().Object);
var media = new MediaItem();
media.MediaPosition = 100;
vm.Handle(new PlayRequestMessage(media));
Assert.AreEqual(0, vm.SliderPosition);
Assert.AreEqual(PlayerState.Playing, vm.MediaPlayerState);
vm.SliderPosition = 10;
vm.Handle(new PlayRequestMessage(media));
Assert.AreEqual(10, vm.SliderPosition);
Assert.AreEqual(PlayerState.Playing, vm.MediaPlayerState);
}
public void Update(MediaItem item)
{
mediaItemPersister.Save(item);
mediaItems.RaiseCollectionChanged();
}
