public void When_PlaySong_SongArgIsNull_ThrowsArgumentNull()
{
// Arrange
var songList = new SongList
{
PlayMode = _noShuffleLoopPlaylist,
Playlist = _smallPlaylist
};
// Act & Assert
Assert.Throws <ArgumentNullException>(() => songList.Play(null));
}
public void When_PlaySong_SongArgFileReaderIsNull_CurrentSongDoesNotChange()
{
// Arrange
var songList = new SongList
{
PlayMode = _noShuffleLoopPlaylist,
Playlist = _smallPlaylist
};
var expectedSong = songList.CurrentSong;
// Act
songList.Play(new SongDto());
// Assert
Assert.AreEqual(expectedSong, songList.CurrentSong);
}
public void When_PlaySong_SongArgIsNotInPlaylist_CurrentSongDoesNotChange()
{
// Arrange
var songList = new SongList
{
PlayMode = _noShuffleLoopPlaylist,
Playlist = _smallPlaylist
};
var expectedSong = songList.CurrentSong;
// Act
songList.Play(_bigPlaylist.Songs[1]);
// Assert
Assert.AreEqual(expectedSong, songList.CurrentSong);
}
public void When_PlaySong_SongArgIsInPlaylist_CurrentSongSetToArg()
{
// Arrange
var songList = new SongList
{
PlayMode = _noShuffleLoopPlaylist,
Playlist = _smallPlaylist
};
var expectedSong = _smallPlaylist.Songs[1];
// Act
songList.Play(expectedSong);
// Assert
Assert.AreEqual(expectedSong, songList.CurrentSong);
}
