protected void TestDeserializedExtraData(IPlaylistHandler handler, string playlistFile)
{
string outputFile = Path.Combine(OutputPath, "SavedExtraData.bplist");
Directory.CreateDirectory(OutputPath);
if (File.Exists(outputFile))
{
File.Delete(outputFile);
}
Assert.IsTrue(File.Exists(playlistFile), $"Could not find test file at '{playlistFile}'");
using var fs = File.OpenRead(playlistFile);
IPlaylist playlist = handler.Deserialize(fs);
Dictionary <string, object> customData = playlist.CustomData ?? new Dictionary <string, object>();
if (customData["extensionStringList"] is JArray)
{
Assert.Fail("Failed to convert string list.");
}
if (customData["extensionIntList"] is JArray)
{
Assert.Fail("Failed to convert int list.");
}
Assert.AreEqual(123, Convert.ToInt32(customData["customInt"]));
Assert.AreEqual("test string", customData["extensionString"]);
Assert.AreEqual(123.456d, customData["extensionFloat"]);
using var fs2 = File.Create(outputFile);
handler.Serialize(playlist, fs2);
}
/// <summary>
/// Attempts to deserialize and return an <see cref="IPlaylist"/> from a file.
/// </summary>
/// <param name="handler"><see cref="IPlaylistHandler"/> to use.</param>
/// <param name="path">Path to the file.</param>
/// <returns>An <see cref="IPlaylist"/>.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="path"/> is null or empty.</exception>
/// <exception cref="ArgumentException">Thrown if a file at <paramref name="path"/> does not exist.</exception>
/// <exception cref="PlaylistSerializationException">Thrown if an error occurs while deserializing.</exception>
public static IPlaylist Deserialize(this IPlaylistHandler handler, string path)
{
if (handler == null)
{
throw new ArgumentNullException(nameof(handler), $"{nameof(handler)} cannot be null.");
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path), "path cannot be null or empty.");
}
path = Path.GetFullPath(path);
if (!File.Exists(path))
{
throw new ArgumentException($"File at '{path}' does not exist or is inaccessible.");
}
try
{
using FileStream stream = Utilities.OpenFileRead(path);
return(handler.Deserialize(stream));
}
catch (Exception ex)
{
throw new PlaylistSerializationException(ex.Message, ex);
}
}