public void AddSongsToPlaylist_PlaylistNotFound_ThrowsNotFoundError()
{
const string dbName = "AddToPlaylistPlaylistNotFound";
// Arrange
using (var context = Utils.GetDbContext(dbName))
{
context.Albums.AddRange(new List <Album>
{
new Album {
Id = 2
}
});
context.SaveChanges();
}
using (var context = Utils.GetDbContext(dbName))
{
var command = new AddSongsToPlaylistCommand
{
PlaylistId = 1,
AlbumIds = new List <int> {
2
}
};
// Act
var handler = GetCommandHandler(context);
// Assert
Assert.ThrowsAsync <NotFoundException>(async() => await handler.Handle(command, CancellationToken.None));
}
}
public void MustHaveSongsOrAlbums_HasNeither_Fails()
{
var validator = GetValidator();
var command = new AddSongsToPlaylistCommand
{
PlaylistId = 1
};
var res = validator.Validate(command);
Assert.IsFalse(res.IsValid);
}
public async Task AddSongsToPlaylist_ContainsAlbumIdList_AddsSongsToPlaylist()
{
const string dbName = "AddToPlaylistContainsAlbums";
const int playlistId = 1;
const int albumId = 2;
// Arrange
using (var context = Utils.GetDbContext(dbName))
{
context.Playlists.Add(new Playlist {
Id = playlistId
});
var album = new Album {
Id = albumId
};
context.Albums.Add(album);
context.Tracks.AddRange(new List <Track>
{
new Track {
Id = 1, Album = album
},
new Track {
Id = 2, Album = album
}
});
context.SaveChanges();
}
// Act
using (var context = Utils.GetDbContext(dbName))
{
var command = new AddSongsToPlaylistCommand
{
PlaylistId = 1,
AlbumIds = new List <int> {
albumId
}
};
var handler = GetCommandHandler(context);
await handler.Handle(command, CancellationToken.None);
var tracks = context.Playlists
.Include(p => p.PlaylistTracks)
.ThenInclude(pt => pt.Track)
.SelectMany(p => p.PlaylistTracks.Select(pt => pt.Track));
// Assert
Assert.AreEqual(2, tracks.Count());
}
}
public void MustHaveSongsOrAlbums_HasEmptyLists_Fails()
{
var validator = GetValidator();
var command = new AddSongsToPlaylistCommand
{
PlaylistId = 1,
AlbumIds = new List <int>(),
TrackIds = new List <int>()
};
var res = validator.Validate(command);
Assert.IsFalse(res.IsValid);
}
public void MustHaveSongsOrAlbums_HasSongs_Passes()
{
var validator = GetValidator();
var command = new AddSongsToPlaylistCommand
{
PlaylistId = 1,
TrackIds = new List <int> {
1, 2
}
};
var res = validator.Validate(command);
Assert.IsTrue(res.IsValid);
}
public void AddSongsToPlaylist_SongsNotFound_ThrowsNotFoundError()
{
const string dbName = "AddToPlaylistSongsNotFound";
const int playlistId = 1;
// Arrange
using (var context = Utils.GetDbContext(dbName))
{
context.Playlists.Add(new Playlist {
Id = playlistId
});
context.Tracks.AddRange(new List <Track>
{
new Track {
Id = 1
}
});
context.SaveChanges();
}
using (var context = Utils.GetDbContext(dbName))
{
var command = new AddSongsToPlaylistCommand
{
PlaylistId = 1,
TrackIds = new List <int> {
2
}
};
// Act
var handler = GetCommandHandler(context);
// Assert
Assert.ThrowsAsync <NotFoundException>(async() => await handler.Handle(command, CancellationToken.None));
}
}
