internal static MobileSong Create(NetworkSong metaData, IObservable<byte[]> data, IFileSystem fileSystem = null)
{
fileSystem = fileSystem ?? new FileSystem();
string tempPath = fileSystem.Path.GetTempFileName();
// Lol, MediaElement is too stupid to play a file with a .tmp extension
string newName = Path.ChangeExtension(tempPath, ".mp3");
fileSystem.File.Move(tempPath, newName);
tempPath = newName;
var song = new MobileSong(tempPath, metaData.Duration)
{
Album = metaData.Album,
Artist = metaData.Artist,
Genre = metaData.Genre,
Title = metaData.Title
};
var conn = data.FirstAsync()
.Do(x => fileSystem.File.WriteAllBytes(tempPath, x))
.ToUnit()
.Multicast(song.dataGate);
conn.Connect();
return song;
}
public void CreatesEmptyTemporaryFile()
{
var fileSystem = new MockFileSystem();
var metadata = new NetworkSong();
var song = MobileSong.Create(metadata, Observable.Never<byte[]>(), fileSystem);
Assert.Equal(0, fileSystem.FileInfo.FromFileName(song.PlaybackPath).Length);
}
public void StoresDataUponArrival()
{
var fileSystem = new MockFileSystem();
var metadata = new NetworkSong();
var data = new byte[] { 0, 1 };
var song = MobileSong.Create(metadata, Observable.Return(data), fileSystem);
Assert.Equal(data, fileSystem.File.ReadAllBytes(song.PlaybackPath));
}
public void SetsTemporaryFileAsSongPath()
{
var fileSystem = new MockFileSystem();
var metadata = new NetworkSong();
var song = MobileSong.Create(metadata, Observable.Never<byte[]>(), fileSystem);
DirectoryInfoBase tempDir = fileSystem.DirectoryInfo.FromDirectoryName(fileSystem.Path.GetTempPath());
Assert.Equal(song.OriginalPath, tempDir.GetFiles().First().FullName);
Assert.Equal(song.PlaybackPath, tempDir.GetFiles().First().FullName);
}
private void WaitsForSongData()
{
var metadata = new NetworkSong();
var data = new Subject<byte[]>();
var song = MobileSong.Create(metadata, data, new MockFileSystem());
Task awaiter = song.PrepareAsync(YoutubeStreamingQuality.Low);
Assert.False(awaiter.IsCompleted);
data.OnNext(new byte[] { 0, 1 });
data.OnCompleted();
Assert.True(awaiter.IsCompleted);
}