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import unittest
from unittest import mock
from mopidy import mixer
class MixerListenerTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.listener = mixer.MixerListener()
def test_on_event_forwards_to_specific_handler(self):
self.listener.volume_changed = mock.Mock()
self.listener.on_event("volume_changed", volume=60)
self.listener.volume_changed.assert_called_with(volume=60)
def test_listener_has_default_impl_for_volume_changed(self):
self.listener.volume_changed(volume=60)
def test_listener_has_default_impl_for_mute_changed(self):
self.listener.mute_changed(mute=True)
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