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import unittest
from unittest import mock
import pykka
from mopidy import core, mixer
from mopidy.internal.models import MixerState
from tests import dummy_mixer
class CoreMixerTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.mixer = mock.Mock(spec=mixer.Mixer)
self.core = core.Core(mixer=self.mixer, backends=[])
def test_get_volume(self):
self.mixer.get_volume.return_value.get.return_value = 30
assert self.core.mixer.get_volume() == 30
self.mixer.get_volume.assert_called_once_with()
def test_set_volume(self):
self.mixer.set_volume.return_value.get.return_value = True
self.core.mixer.set_volume(30)
self.mixer.set_volume.assert_called_once_with(30)
def test_get_mute(self):
self.mixer.get_mute.return_value.get.return_value = True
assert self.core.mixer.get_mute() is True
self.mixer.get_mute.assert_called_once_with()
def test_set_mute(self):
self.mixer.set_mute.return_value.get.return_value = True
self.core.mixer.set_mute(True)
self.mixer.set_mute.assert_called_once_with(True)
class CoreNoneMixerTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.core = core.Core(mixer=None, backends=[])
def test_get_volume_return_none_because_it_is_unknown(self):
assert self.core.mixer.get_volume() is None
def test_set_volume_return_false_because_it_failed(self):
assert self.core.mixer.set_volume(30) is False
def test_get_mute_return_none_because_it_is_unknown(self):
assert self.core.mixer.get_mute() is None
def test_set_mute_return_false_because_it_failed(self):
assert self.core.mixer.set_mute(True) is False
@mock.patch.object(mixer.MixerListener, "send")
class CoreMixerListenerTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.mixer = dummy_mixer.create_proxy()
self.core = core.Core(mixer=self.mixer, backends=[])
def tearDown(self): # noqa: N802
pykka.ActorRegistry.stop_all()
def test_forwards_mixer_volume_changed_event_to_frontends(self, send):
assert self.core.mixer.set_volume(volume=60) is True
assert send.call_args[0][0] == "volume_changed"
assert send.call_args[1]["volume"] == 60
def test_forwards_mixer_mute_changed_event_to_frontends(self, send):
self.core.mixer.set_mute(mute=True)
assert send.call_args[0][0] == "mute_changed"
assert send.call_args[1]["mute"] is True
@mock.patch.object(mixer.MixerListener, "send")
class CoreNoneMixerListenerTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.core = core.Core(mixer=None, backends=[])
def test_forwards_mixer_volume_changed_event_to_frontends(self, send):
assert self.core.mixer.set_volume(volume=60) is False
assert send.call_count == 0
def test_forwards_mixer_mute_changed_event_to_frontends(self, send):
self.core.mixer.set_mute(mute=True)
assert send.call_count == 0
class MockBackendCoreMixerBase(unittest.TestCase):
def setUp(self): # noqa: N802
self.mixer = mock.Mock()
self.mixer.actor_ref.actor_class.__name__ = "DummyMixer"
self.core = core.Core(mixer=self.mixer, backends=[])
class GetVolumeBadBackendTest(MockBackendCoreMixerBase):
def test_backend_raises_exception(self):
self.mixer.get_volume.return_value.get.side_effect = Exception
assert self.core.mixer.get_volume() is None
def test_backend_returns_too_small_value(self):
self.mixer.get_volume.return_value.get.return_value = -1
assert self.core.mixer.get_volume() is None
def test_backend_returns_too_large_value(self):
self.mixer.get_volume.return_value.get.return_value = 1000
assert self.core.mixer.get_volume() is None
def test_backend_returns_wrong_type(self):
self.mixer.get_volume.return_value.get.return_value = "12"
assert self.core.mixer.get_volume() is None
class SetVolumeBadBackendTest(MockBackendCoreMixerBase):
def test_backend_raises_exception(self):
self.mixer.set_volume.return_value.get.side_effect = Exception
assert not self.core.mixer.set_volume(30)
def test_backend_returns_wrong_type(self):
self.mixer.set_volume.return_value.get.return_value = "done"
assert not self.core.mixer.set_volume(30)
class GetMuteBadBackendTest(MockBackendCoreMixerBase):
def test_backend_raises_exception(self):
self.mixer.get_mute.return_value.get.side_effect = Exception
assert self.core.mixer.get_mute() is None
def test_backend_returns_wrong_type(self):
self.mixer.get_mute.return_value.get.return_value = "12"
assert self.core.mixer.get_mute() is None
class SetMuteBadBackendTest(MockBackendCoreMixerBase):
def test_backend_raises_exception(self):
self.mixer.set_mute.return_value.get.side_effect = Exception
assert not self.core.mixer.set_mute(True)
def test_backend_returns_wrong_type(self):
self.mixer.set_mute.return_value.get.return_value = "done"
assert not self.core.mixer.set_mute(True)
class CoreMixerSaveLoadStateTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.mixer = dummy_mixer.create_proxy()
self.core = core.Core(mixer=self.mixer, backends=[])
def test_save_mute(self):
volume = 32
mute = False
target = MixerState(volume=volume, mute=mute)
self.core.mixer.set_volume(volume)
self.core.mixer.set_mute(mute)
value = self.core.mixer._save_state()
assert target == value
def test_save_unmute(self):
volume = 33
mute = True
target = MixerState(volume=volume, mute=mute)
self.core.mixer.set_volume(volume)
self.core.mixer.set_mute(mute)
value = self.core.mixer._save_state()
assert target == value
def test_load(self):
self.core.mixer.set_volume(11)
volume = 45
target = MixerState(volume=volume)
coverage = ["mixer"]
self.core.mixer._load_state(target, coverage)
assert volume == self.core.mixer.get_volume()
def test_load_not_covered(self):
self.core.mixer.set_volume(21)
self.core.mixer.set_mute(True)
target = MixerState(volume=56, mute=False)
coverage = ["other"]
self.core.mixer._load_state(target, coverage)
assert 21 == self.core.mixer.get_volume()
assert self.core.mixer.get_mute() is True
def test_load_mute_on(self):
self.core.mixer.set_mute(False)
assert self.core.mixer.get_mute() is False
target = MixerState(mute=True)
coverage = ["mixer"]
self.core.mixer._load_state(target, coverage)
assert self.core.mixer.get_mute() is True
def test_load_mute_off(self):
self.core.mixer.set_mute(True)
assert self.core.mixer.get_mute() is True
target = MixerState(mute=False)
coverage = ["mixer"]
self.core.mixer._load_state(target, coverage)
assert self.core.mixer.get_mute() is False
def test_load_invalid_type(self):
with self.assertRaises(TypeError):
self.core.mixer._load_state(11, None)
def test_load_none(self):
self.core.mixer._load_state(None, None)
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