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from playlist import Playlist
def test_addAndSelectOneSong():
songAddedByUser = "/path/to/song"
songSetByCallback = None
def testCallback(song):
nonlocal songSetByCallback
songSetByCallback = song
uut = Playlist(testCallback)
uut.addSong(songAddedByUser)
uut.setCurrentSong(0)
assert songAddedByUser == songSetByCallback
def test_addTwoSongsAndSelectBoth():
songAddedByUser = ["/path/to/song", "/path/to/second/song"]
songSetByCallback = None
def testCallback(song):
nonlocal songSetByCallback
songSetByCallback = song
uut = Playlist(testCallback)
uut.addSong(songAddedByUser[0])
uut.addSong(songAddedByUser[1])
uut.setCurrentSong(0)
assert songAddedByUser[0] == songSetByCallback
uut.setCurrentSong(1)
assert songAddedByUser[1] == songSetByCallback
def test_firstAddedSongIsSelected():
songAddedByUser = "/path/to/song"
songSetByCallback = None
def testCallback(song):
nonlocal songSetByCallback
songSetByCallback = song
uut = Playlist(testCallback)
uut.addSong(songAddedByUser)
assert songAddedByUser == songSetByCallback
def test_invalidSongSelection():
songAddedByUser = "/path/to/song"
songSetByCallback = None
def testCallback(song):
nonlocal songSetByCallback
songSetByCallback = song
uut = Playlist(testCallback)
assert songSetByCallback == None
uut.setCurrentSong(10)
assert songSetByCallback == None
uut.addSong(songAddedByUser)
uut.setCurrentSong(10)
assert songSetByCallback == songAddedByUser
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