def test_player_mpv_change_rate_decrease():
myplayer = MPVPlayer("player1 title", "player1 path", episode)
myplayer._player = mock.MagicMock()
myplayer._player.speed = 1
myplayer.change_rate(-1)
assert myplayer._player.speed == 0.9
def test_player_mpv_change_rate_display():
myplayer = MPVPlayer("player1 title", "player1 path", episode)
myplayer._player = mock.MagicMock()
display = mock.MagicMock()
myplayer._player.speed = 1
myplayer.change_rate(1, display=display)
assert display.change_status.call_count == 1