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mopidy/tests/core/test_playback.py
Jens Luetjen bf4da7a627 Add tests to ensure that play, next will not busy-loop 
Test PlaybackController functions play(), next(), previous()
and _on_about_to_finish() that they will not loop forever
if all tracks are unplayable.
2016-03-26 09:43:38 +01:00

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from __future__ import absolute_import, unicode_literals
import unittest
import mock
import pykka
from mopidy import backend, core
from mopidy.internal import deprecation
from mopidy.models import Track
from tests import dummy_audio
class TestPlaybackProvider(backend.PlaybackProvider):
def __init__(self, audio, backend):
super(TestPlaybackProvider, self).__init__(audio, backend)
self._call_limit = 10
self._call_count = 0
self._call_onetime = False
def reset_call_limit(self):
self._call_count = 0
self._call_onetime = False
def is_call_limit_reached(self):
return self._call_count > self._call_limit
def _translate_uri_call_limit(self, uri):
self._call_count += 1
if self._call_count > self._call_limit:
# return any url (not 'None') to stop the endless loop
return 'assert: call limit reached'
if 'limit_never' in uri:
# unplayable
return None
elif 'limit_one' in uri:
# one time playable
if self._call_onetime:
return None
self._call_onetime = True
return uri
def translate_uri(self, uri):
if 'error' in uri:
raise Exception(uri)
elif 'unplayable' in uri:
return None
elif 'limit' in uri:
return self._translate_uri_call_limit(uri)
else:
return uri
# TODO: Replace this with dummy_backend now that it uses a real
# playbackprovider Since we rely on our DummyAudio to actually emit events we
# need a "real" backend and not a mock so the right calls make it through to
# audio.
class TestBackend(pykka.ThreadingActor, backend.Backend):
uri_schemes = ['dummy']
def __init__(self, config, audio):
super(TestBackend, self).__init__()
self.playback = TestPlaybackProvider(audio=audio, backend=self)
class BaseTest(unittest.TestCase):
config = {'core': {'max_tracklist_length': 10000}}
tracks = [Track(uri='dummy:a', length=1234),
Track(uri='dummy:b', length=1234),
Track(uri='dummy:c', length=1234)]
def setUp(self): # noqa: N802
# TODO: use create_proxy helpers.
self.audio = dummy_audio.DummyAudio.start().proxy()
self.backend = TestBackend.start(
audio=self.audio, config=self.config).proxy()
self.core = core.Core(
audio=self.audio, backends=[self.backend], config=self.config)
self.playback = self.core.playback
# We don't have a core actor running, so call about to finish directly.
self.audio.set_about_to_finish_callback(
self.playback._on_about_to_finish)
with deprecation.ignore('core.tracklist.add:tracks_arg'):
self.core.tracklist.add(self.tracks)
self.events = []
self.patcher = mock.patch('mopidy.audio.listener.AudioListener.send')
self.send_mock = self.patcher.start()
def send(event, **kwargs):
self.events.append((event, kwargs))
self.send_mock.side_effect = send
def tearDown(self): # noqa: N802
pykka.ActorRegistry.stop_all()
self.patcher.stop()
def replay_events(self, until=None):
while self.events:
if self.events[0][0] == until:
break
event, kwargs = self.events.pop(0)
self.core.on_event(event, **kwargs)
def trigger_about_to_finish(self, replay_until=None):
self.replay_events()
callback = self.audio.get_about_to_finish_callback().get()
callback()
self.replay_events(until=replay_until)
class TestPlayHandling(BaseTest):
def test_get_current_tl_track_play(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.assertEqual(
self.core.playback.get_current_tl_track(), tl_tracks[0])
def test_get_current_track_play(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.assertEqual(
self.core.playback.get_current_track(), self.tracks[0])
def test_get_current_tlid_play(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.assertEqual(
self.core.playback.get_current_tlid(), tl_tracks[0].tlid)
def test_play_skips_to_next_on_unplayable_track(self):
"""Checks that we handle backend.change_track failing."""
tl_tracks = self.core.tracklist.get_tl_tracks()
self.audio.trigger_fake_playback_failure(tl_tracks[0].track.uri)
self.core.playback.play(tl_tracks[0])
self.replay_events()
current_tl_track = self.core.playback.get_current_tl_track()
self.assertEqual(tl_tracks[1], current_tl_track)
def test_resume_skips_to_next_on_unplayable_track(self):
"""Checks that we handle backend.change_track failing when
resuming playback."""
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.core.playback.pause()
self.audio.trigger_fake_playback_failure(tl_tracks[1].track.uri)
self.core.playback.next()
self.core.playback.resume()
self.replay_events()
current_tl_track = self.core.playback.get_current_tl_track()
self.assertEqual(tl_tracks[2], current_tl_track)
def test_play_tlid(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tlid=tl_tracks[1].tlid)
self.replay_events()
current_tl_track = self.core.playback.get_current_tl_track()
self.assertEqual(tl_tracks[1], current_tl_track)
class TestNextHandling(BaseTest):
def test_get_current_tl_track_next(self):
self.core.playback.play()
self.replay_events()
self.core.playback.next()
self.replay_events()
tl_tracks = self.core.tracklist.get_tl_tracks()
current_tl_track = self.core.playback.get_current_tl_track()
self.assertEqual(current_tl_track, tl_tracks[1])
def test_get_pending_tl_track_next(self):
self.core.playback.play()
self.replay_events()
self.core.playback.next()
tl_tracks = self.core.tracklist.get_tl_tracks()
self.assertEqual(self.core.playback._pending_tl_track, tl_tracks[1])
def test_get_current_track_next(self):
self.core.playback.play()
self.replay_events()
self.core.playback.next()
self.replay_events()
current_track = self.core.playback.get_current_track()
self.assertEqual(current_track, self.tracks[1])
def test_next_keeps_finished_track_in_tracklist(self):
tl_track = self.core.tracklist.get_tl_tracks()[0]
self.core.playback.play(tl_track)
self.replay_events()
self.core.playback.next()
self.replay_events()
self.assertIn(tl_track, self.core.tracklist.tl_tracks)
def test_next_skips_over_unplayable_track(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.audio.trigger_fake_playback_failure(tl_tracks[1].track.uri)
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.next()
self.replay_events()
assert self.core.playback.get_current_tl_track() == tl_tracks[2]
def test_next_skips_over_change_track_error(self):
# Trigger an exception in translate_uri.
track = Track(uri='dummy:error', length=1234)
self.core.tracklist.add(tracks=[track], at_position=1)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play()
self.replay_events()
self.core.playback.next()
self.replay_events()
assert self.core.playback.get_current_tl_track() == tl_tracks[2]
def test_next_skips_over_change_track_unplayable(self):
# Make translate_uri return None.
track = Track(uri='dummy:unplayable', length=1234)
self.core.tracklist.add(tracks=[track], at_position=1)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play()
self.replay_events()
self.core.playback.next()
self.replay_events()
assert self.core.playback.get_current_tl_track() == tl_tracks[2]
class TestPreviousHandling(BaseTest):
# TODO Test previous() more
def test_get_current_tl_track_prev(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.core.playback.previous()
self.replay_events()
self.assertEqual(
self.core.playback.get_current_tl_track(), tl_tracks[0])
def test_get_current_track_prev(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.core.playback.previous()
self.replay_events()
self.assertEqual(
self.core.playback.get_current_track(), self.tracks[0])
def test_previous_keeps_finished_track_in_tracklist(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.core.playback.previous()
self.replay_events()
self.assertIn(tl_tracks[1], self.core.tracklist.tl_tracks)
def test_previous_keeps_finished_track_even_in_consume_mode(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.core.tracklist.consume = True
self.core.playback.previous()
self.replay_events()
self.assertIn(tl_tracks[1], self.core.tracklist.tl_tracks)
def test_previous_skips_over_unplayable_track(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.audio.trigger_fake_playback_failure(tl_tracks[1].track.uri)
self.core.playback.play(tl_tracks[2])
self.replay_events()
self.core.playback.previous()
self.replay_events()
assert self.core.playback.get_current_tl_track() == tl_tracks[0]
def test_previous_skips_over_change_track_error(self):
# Trigger an exception in translate_uri.
track = Track(uri='dummy:error', length=1234)
self.core.tracklist.add(tracks=[track], at_position=1)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[2])
self.replay_events()
self.core.playback.previous()
self.replay_events()
assert self.core.playback.get_current_tl_track() == tl_tracks[0]
def test_previous_skips_over_change_track_unplayable(self):
# Makes translate_uri return None.
track = Track(uri='dummy:unplayable', length=1234)
self.core.tracklist.add(tracks=[track], at_position=1)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[2])
self.replay_events()
self.core.playback.previous()
self.replay_events()
assert self.core.playback.get_current_tl_track() == tl_tracks[0]
class TestOnAboutToFinish(BaseTest):
def test_on_about_to_finish_keeps_finished_track_in_tracklist(self):
tl_track = self.core.tracklist.get_tl_tracks()[0]
self.core.playback.play(tl_track)
self.trigger_about_to_finish()
self.assertIn(tl_track, self.core.tracklist.tl_tracks)
def test_on_about_to_finish_skips_over_change_track_error(self):
# Trigger an exception in translate_uri.
track = Track(uri='dummy:error', length=1234)
self.core.tracklist.add(tracks=[track], at_position=1)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.trigger_about_to_finish()
assert self.core.playback.get_current_tl_track() == tl_tracks[2]
def test_on_about_to_finish_skips_over_change_track_unplayable(self):
# Makes translate_uri return None.
track = Track(uri='dummy:unplayable', length=1234)
self.core.tracklist.add(tracks=[track], at_position=1)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.trigger_about_to_finish()
assert self.core.playback.get_current_tl_track() == tl_tracks[2]
class TestConsumeHandling(BaseTest):
def test_next_in_consume_mode_removes_finished_track(self):
tl_track = self.core.tracklist.get_tl_tracks()[0]
self.core.playback.play(tl_track)
self.core.tracklist.set_consume(True)
self.replay_events()
self.core.playback.next()
self.replay_events()
self.assertNotIn(tl_track, self.core.tracklist.get_tl_tracks())
def test_next_in_consume_mode_removes_unplayable_track(self):
last_playable_tl_track = self.core.tracklist.get_tl_tracks()[-2]
unplayable_tl_track = self.core.tracklist.get_tl_tracks()[-1]
self.audio.trigger_fake_playback_failure(unplayable_tl_track.track.uri)
self.core.playback.play(last_playable_tl_track)
self.core.tracklist.set_consume(True)
self.core.playback.next()
self.replay_events()
self.assertNotIn(
unplayable_tl_track, self.core.tracklist.get_tl_tracks())
def test_on_about_to_finish_in_consume_mode_removes_finished_track(self):
tl_track = self.core.tracklist.get_tl_tracks()[0]
self.core.playback.play(tl_track)
self.core.tracklist.consume = True
self.trigger_about_to_finish()
self.assertNotIn(tl_track, self.core.tracklist.get_tl_tracks())
class TestCurrentAndPendingTlTrack(BaseTest):
def test_get_current_tl_track_none(self):
self.assertEqual(
self.core.playback.get_current_tl_track(), None)
def test_get_current_tlid_none(self):
self.assertEqual(self.core.playback.get_current_tlid(), None)
def test_pending_tl_track_is_none(self):
self.core.playback.play()
self.replay_events()
self.assertEqual(self.playback._pending_tl_track, None)
def test_pending_tl_track_after_about_to_finish(self):
self.core.playback.play()
self.replay_events()
self.trigger_about_to_finish(replay_until='stream_changed')
self.assertEqual(self.playback._pending_tl_track.track.uri, 'dummy:b')
def test_pending_tl_track_after_stream_changed(self):
self.trigger_about_to_finish()
self.assertEqual(self.playback._pending_tl_track, None)
def test_current_tl_track_after_about_to_finish(self):
self.core.playback.play()
self.replay_events()
self.trigger_about_to_finish(replay_until='stream_changed')
self.assertEqual(self.playback.current_tl_track.track.uri, 'dummy:a')
def test_current_tl_track_after_stream_changed(self):
self.core.playback.play()
self.replay_events()
self.trigger_about_to_finish()
self.assertEqual(self.playback.current_tl_track.track.uri, 'dummy:b')
def test_current_tl_track_after_end_of_stream(self):
self.core.playback.play()
self.replay_events()
self.trigger_about_to_finish()
self.trigger_about_to_finish()
self.trigger_about_to_finish() # EOS
self.assertEqual(self.playback.current_tl_track, None)
@mock.patch(
'mopidy.core.playback.listener.CoreListener', spec=core.CoreListener)
class EventEmissionTest(BaseTest):
maxDiff = None
def test_play_when_stopped_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.assertListEqual(
[
mock.call(
'playback_state_changed',
old_state='stopped', new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[0]),
],
listener_mock.send.mock_calls)
def test_play_when_paused_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.pause()
self.replay_events()
listener_mock.reset_mock()
self.core.playback.play(tl_tracks[1])
self.replay_events()
self.assertListEqual(
[
mock.call(
'track_playback_ended',
tl_track=tl_tracks[0], time_position=mock.ANY),
mock.call(
'playback_state_changed',
old_state='paused', new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[1]),
],
listener_mock.send.mock_calls)
def test_play_when_playing_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
listener_mock.reset_mock()
self.core.playback.play(tl_tracks[2])
self.replay_events()
self.assertListEqual(
[
mock.call(
'track_playback_ended',
tl_track=tl_tracks[0], time_position=mock.ANY),
mock.call(
'playback_state_changed', old_state='playing',
new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[2]),
],
listener_mock.send.mock_calls)
def test_pause_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.seek(1000)
listener_mock.reset_mock()
self.core.playback.pause()
self.assertListEqual(
[
mock.call(
'playback_state_changed',
old_state='playing', new_state='paused'),
mock.call(
'track_playback_paused',
tl_track=tl_tracks[0], time_position=1000),
],
listener_mock.send.mock_calls)
def test_resume_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.pause()
self.core.playback.seek(1000)
listener_mock.reset_mock()
self.core.playback.resume()
self.assertListEqual(
[
mock.call(
'playback_state_changed',
old_state='paused', new_state='playing'),
mock.call(
'track_playback_resumed',
tl_track=tl_tracks[0], time_position=1000),
],
listener_mock.send.mock_calls)
def test_stop_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.seek(1000)
self.replay_events()
listener_mock.reset_mock()
self.core.playback.stop()
self.replay_events()
self.assertListEqual(
[
mock.call(
'playback_state_changed',
old_state='playing', new_state='stopped'),
mock.call(
'track_playback_ended',
tl_track=tl_tracks[0], time_position=1000),
],
listener_mock.send.mock_calls)
def test_next_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.seek(1000)
self.replay_events()
listener_mock.reset_mock()
self.core.playback.next()
self.replay_events()
self.assertListEqual(
[
mock.call(
'track_playback_ended',
tl_track=tl_tracks[0], time_position=mock.ANY),
mock.call(
'playback_state_changed',
old_state='playing', new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[1]),
],
listener_mock.send.mock_calls)
def test_next_emits_events_when_consume_mode_is_enabled(
self,
listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.tracklist.set_consume(True)
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.seek(1000)
self.replay_events()
listener_mock.reset_mock()
self.core.playback.next()
self.replay_events()
self.assertListEqual(
[
mock.call(
'tracklist_changed'),
mock.call(
'track_playback_ended',
tl_track=tl_tracks[0], time_position=mock.ANY),
mock.call(
'playback_state_changed',
old_state='playing', new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[1]),
],
listener_mock.send.mock_calls)
def test_gapless_track_change_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
listener_mock.reset_mock()
self.trigger_about_to_finish()
self.assertListEqual(
[
mock.call(
'track_playback_ended',
tl_track=tl_tracks[0], time_position=mock.ANY),
mock.call(
'playback_state_changed',
old_state='playing', new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[1]),
],
listener_mock.send.mock_calls)
def test_seek_emits_seeked_event(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
listener_mock.reset_mock()
self.core.playback.seek(1000)
self.replay_events()
listener_mock.send.assert_called_once_with(
'seeked', time_position=1000)
def test_seek_past_end_of_track_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
listener_mock.reset_mock()
self.core.playback.seek(self.tracks[0].length * 5)
self.replay_events()
self.assertListEqual(
[
mock.call(
'track_playback_ended',
tl_track=tl_tracks[0], time_position=mock.ANY),
mock.call(
'playback_state_changed',
old_state='playing', new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[1]),
],
listener_mock.send.mock_calls)
def test_seek_race_condition_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.trigger_about_to_finish(replay_until='stream_changed')
listener_mock.reset_mock()
self.core.playback.seek(1000)
self.replay_events()
# When we trigger seek after an about to finish the other code that
# emits track stopped/started and playback state changed events gets
# triggered as we have to switch back to the previous track.
# The correct behavior would be to only emit seeked.
self.assertListEqual(
[mock.call('seeked', time_position=1000)],
listener_mock.send.mock_calls)
def test_previous_emits_events(self, listener_mock):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.replay_events()
listener_mock.reset_mock()
self.core.playback.previous()
self.replay_events()
self.assertListEqual(
[
mock.call(
'track_playback_ended',
tl_track=tl_tracks[1], time_position=mock.ANY),
mock.call(
'playback_state_changed',
old_state='playing', new_state='playing'),
mock.call(
'track_playback_started', tl_track=tl_tracks[0]),
],
listener_mock.send.mock_calls)
class TestUnplayableURI(BaseTest):
tracks = [
Track(uri='unplayable://'),
Track(uri='dummy:b'),
]
def setUp(self): # noqa: N802
super(TestUnplayableURI, self).setUp()
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback._set_current_tl_track(tl_tracks[0])
def test_play_skips_to_next_if_track_is_unplayable(self):
self.core.playback.play()
self.replay_events()
current_track = self.core.playback.get_current_track()
self.assertEqual(current_track, self.tracks[1])
def test_pause_changes_state_even_if_track_is_unplayable(self):
self.core.playback.pause()
self.assertEqual(self.core.playback.state, core.PlaybackState.PAUSED)
def test_resume_does_nothing_if_track_is_unplayable(self):
self.core.playback.state = core.PlaybackState.PAUSED
self.core.playback.resume()
self.assertEqual(self.core.playback.state, core.PlaybackState.PAUSED)
def test_stop_changes_state_even_if_track_is_unplayable(self):
self.core.playback.state = core.PlaybackState.PAUSED
self.core.playback.stop()
self.assertEqual(self.core.playback.state, core.PlaybackState.STOPPED)
def test_time_position_returns_0_if_track_is_unplayable(self):
result = self.core.playback.time_position
self.assertEqual(result, 0)
def test_seek_fails_for_unplayable_track(self):
self.core.playback.state = core.PlaybackState.PLAYING
success = self.core.playback.seek(1000)
self.assertFalse(success)
class SeekTest(BaseTest):
def test_seek_normalizes_negative_positions_to_zero(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.seek(-100) # Dummy audio doesn't progress time.
self.assertEqual(0, self.core.playback.get_time_position())
def test_seek_fails_for_track_without_duration(self):
track = self.tracks[0].replace(length=None)
self.core.tracklist.clear()
self.core.tracklist.add([track])
self.core.playback.play()
self.replay_events()
self.assertFalse(self.core.playback.seek(1000))
self.assertEqual(0, self.core.playback.get_time_position())
def test_seek_play_stay_playing(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.seek(1000)
self.assertEqual(self.core.playback.state, core.PlaybackState.PLAYING)
def test_seek_paused_stay_paused(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.core.playback.pause()
self.replay_events()
self.core.playback.seek(1000)
self.assertEqual(self.core.playback.state, core.PlaybackState.PAUSED)
def test_seek_race_condition_after_about_to_finish(self):
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.trigger_about_to_finish(replay_until='stream_changed')
self.core.playback.seek(1000)
self.replay_events()
current_tl_track = self.core.playback.get_current_tl_track()
self.assertEqual(current_tl_track, tl_tracks[0])
class TestStream(BaseTest):
def test_get_stream_title_before_playback(self):
self.assertEqual(self.playback.get_stream_title(), None)
def test_get_stream_title_during_playback(self):
self.core.playback.play()
self.replay_events()
self.assertEqual(self.playback.get_stream_title(), None)
def test_get_stream_title_during_playback_with_tags_change(self):
self.core.playback.play()
self.audio.trigger_fake_tags_changed({'organization': ['baz']})
self.audio.trigger_fake_tags_changed({'title': ['foobar']}).get()
self.replay_events()
self.assertEqual(self.playback.get_stream_title(), 'foobar')
def test_get_stream_title_after_next(self):
self.core.playback.play()
self.audio.trigger_fake_tags_changed({'organization': ['baz']})
self.audio.trigger_fake_tags_changed({'title': ['foobar']}).get()
self.replay_events()
self.core.playback.next()
self.replay_events()
self.assertEqual(self.playback.get_stream_title(), None)
def test_get_stream_title_after_next_with_tags_change(self):
self.core.playback.play()
self.audio.trigger_fake_tags_changed({'organization': ['baz']})
self.audio.trigger_fake_tags_changed({'title': ['foo']}).get()
self.replay_events()
self.core.playback.next()
self.audio.trigger_fake_tags_changed({'organization': ['baz']})
self.audio.trigger_fake_tags_changed({'title': ['bar']}).get()
self.replay_events()
self.assertEqual(self.playback.get_stream_title(), 'bar')
def test_get_stream_title_after_stop(self):
self.core.playback.play()
self.audio.trigger_fake_tags_changed({'organization': ['baz']})
self.audio.trigger_fake_tags_changed({'title': ['foobar']}).get()
self.replay_events()
self.core.playback.stop()
self.replay_events()
self.assertEqual(self.playback.get_stream_title(), None)
class TestBackendSelection(unittest.TestCase):
def setUp(self): # noqa: N802
config = {
'core': {
'max_tracklist_length': 10000,
}
}
self.backend1 = mock.Mock()
self.backend1.uri_schemes.get.return_value = ['dummy1']
self.playback1 = mock.Mock(spec=backend.PlaybackProvider)
self.backend1.playback = self.playback1
self.backend2 = mock.Mock()
self.backend2.uri_schemes.get.return_value = ['dummy2']
self.playback2 = mock.Mock(spec=backend.PlaybackProvider)
self.backend2.playback = self.playback2
self.tracks = [
Track(uri='dummy1:a', length=40000),
Track(uri='dummy2:a', length=40000),
]
self.core = core.Core(config, mixer=None, backends=[
self.backend1, self.backend2])
self.tl_tracks = self.core.tracklist.add(self.tracks)
def trigger_stream_changed(self):
pending = self.core.playback._pending_tl_track
if pending:
self.core.stream_changed(uri=pending.track.uri)
else:
self.core.stream_changed(uri=None)
def test_play_selects_dummy1_backend(self):
self.core.playback.play(self.tl_tracks[0])
self.trigger_stream_changed()
self.playback1.prepare_change.assert_called_once_with()
self.playback1.change_track.assert_called_once_with(self.tracks[0])
self.playback1.play.assert_called_once_with()
self.assertFalse(self.playback2.play.called)
def test_play_selects_dummy2_backend(self):
self.core.playback.play(self.tl_tracks[1])
self.trigger_stream_changed()
self.assertFalse(self.playback1.play.called)
self.playback2.prepare_change.assert_called_once_with()
self.playback2.change_track.assert_called_once_with(self.tracks[1])
self.playback2.play.assert_called_once_with()
def test_pause_selects_dummy1_backend(self):
self.core.playback.play(self.tl_tracks[0])
self.trigger_stream_changed()
self.core.playback.pause()
self.playback1.pause.assert_called_once_with()
self.assertFalse(self.playback2.pause.called)
def test_pause_selects_dummy2_backend(self):
self.core.playback.play(self.tl_tracks[1])
self.trigger_stream_changed()
self.core.playback.pause()
self.assertFalse(self.playback1.pause.called)
self.playback2.pause.assert_called_once_with()
def test_resume_selects_dummy1_backend(self):
self.core.playback.play(self.tl_tracks[0])
self.trigger_stream_changed()
self.core.playback.pause()
self.core.playback.resume()
self.playback1.resume.assert_called_once_with()
self.assertFalse(self.playback2.resume.called)
def test_resume_selects_dummy2_backend(self):
self.core.playback.play(self.tl_tracks[1])
self.trigger_stream_changed()
self.core.playback.pause()
self.core.playback.resume()
self.assertFalse(self.playback1.resume.called)
self.playback2.resume.assert_called_once_with()
def test_stop_selects_dummy1_backend(self):
self.core.playback.play(self.tl_tracks[0])
self.trigger_stream_changed()
self.core.playback.stop()
self.trigger_stream_changed()
self.playback1.stop.assert_called_once_with()
self.assertFalse(self.playback2.stop.called)
def test_stop_selects_dummy2_backend(self):
self.core.playback.play(self.tl_tracks[1])
self.trigger_stream_changed()
self.core.playback.stop()
self.trigger_stream_changed()
self.assertFalse(self.playback1.stop.called)
self.playback2.stop.assert_called_once_with()
def test_seek_selects_dummy1_backend(self):
self.core.playback.play(self.tl_tracks[0])
self.trigger_stream_changed()
self.core.playback.seek(10000)
self.playback1.seek.assert_called_once_with(10000)
self.assertFalse(self.playback2.seek.called)
def test_seek_selects_dummy2_backend(self):
self.core.playback.play(self.tl_tracks[1])
self.trigger_stream_changed()
self.core.playback.seek(10000)
self.assertFalse(self.playback1.seek.called)
self.playback2.seek.assert_called_once_with(10000)
def test_time_position_selects_dummy1_backend(self):
self.core.playback.play(self.tl_tracks[0])
self.trigger_stream_changed()
self.core.playback.time_position
self.playback1.get_time_position.assert_called_once_with()
self.assertFalse(self.playback2.get_time_position.called)
def test_time_position_selects_dummy2_backend(self):
self.core.playback.play(self.tl_tracks[1])
self.trigger_stream_changed()
self.core.playback.time_position
self.assertFalse(self.playback1.get_time_position.called)
self.playback2.get_time_position.assert_called_once_with()
class TestCorePlaybackWithOldBackend(unittest.TestCase):
def test_type_error_from_old_backend_does_not_crash_core(self):
config = {
'core': {
'max_tracklist_length': 10000,
}
}
b = mock.Mock()
b.actor_ref.actor_class.__name__ = 'DummyBackend'
b.uri_schemes.get.return_value = ['dummy1']
b.playback = mock.Mock(spec=backend.PlaybackProvider)
b.playback.play.side_effect = TypeError
b.library.lookup.return_value.get.return_value = [
Track(uri='dummy1:a', length=40000)]
c = core.Core(config, mixer=None, backends=[b])
c.tracklist.add(uris=['dummy1:a'])
c.playback.play() # No TypeError == test passed.
b.playback.play.assert_called_once_with()
class TestBug1177Regression(unittest.TestCase):
def test(self):
config = {
'core': {
'max_tracklist_length': 10000,
}
}
b = mock.Mock()
b.uri_schemes.get.return_value = ['dummy']
b.playback = mock.Mock(spec=backend.PlaybackProvider)
b.playback.change_track.return_value.get.return_value = True
b.playback.play.return_value.get.return_value = True
track1 = Track(uri='dummy:a', length=40000)
track2 = Track(uri='dummy:b', length=40000)
c = core.Core(config, mixer=None, backends=[b])
c.tracklist.add([track1, track2])
c.playback.play()
b.playback.change_track.assert_called_once_with(track1)
b.playback.change_track.reset_mock()
c.playback.pause()
c.playback.next()
b.playback.change_track.assert_called_once_with(track2)
class TestBug1352Regression(BaseTest):
tracks = [
Track(uri='dummy:a', length=40000),
Track(uri='dummy:b', length=40000),
]
def test_next_when_paused_updates_history(self):
self.core.history._add_track = mock.Mock()
self.core.tracklist._mark_playing = mock.Mock()
tl_tracks = self.core.tracklist.get_tl_tracks()
self.playback.play()
self.replay_events()
self.core.history._add_track.assert_called_once_with(self.tracks[0])
self.core.tracklist._mark_playing.assert_called_once_with(tl_tracks[0])
self.core.history._add_track.reset_mock()
self.core.tracklist._mark_playing.reset_mock()
self.playback.pause()
self.playback.next()
self.replay_events()
self.core.history._add_track.assert_called_once_with(self.tracks[1])
self.core.tracklist._mark_playing.assert_called_once_with(tl_tracks[1])
class TestEndlessLoop(BaseTest):
tracks_play = [
Track(uri='dummy:limit_never:a'),
Track(uri='dummy:limit_never:b')
]
tracks_other = [
Track(uri='dummy:limit_never:a'),
Track(uri='dummy:limit_one'),
Track(uri='dummy:limit_never:b')
]
def test_play(self):
self.core.tracklist.clear()
self.core.tracklist.add(self.tracks_play)
self.backend.playback.reset_call_limit().get()
self.core.tracklist.set_repeat(True)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[0])
self.replay_events()
self.assertFalse(self.backend.playback.is_call_limit_reached().get())
def test_next(self):
self.core.tracklist.clear()
self.core.tracklist.add(self.tracks_other)
self.backend.playback.reset_call_limit().get()
self.core.tracklist.set_repeat(True)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.replay_events()
self.core.playback.next()
self.replay_events()
self.assertFalse(self.backend.playback.is_call_limit_reached().get())
def test_previous(self):
self.core.tracklist.clear()
self.core.tracklist.add(self.tracks_other)
self.backend.playback.reset_call_limit().get()
self.core.tracklist.set_repeat(True)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.replay_events()
self.core.playback.previous()
self.replay_events()
self.assertFalse(self.backend.playback.is_call_limit_reached().get())
def test_on_about_to_finish(self):
self.core.tracklist.clear()
self.core.tracklist.add(self.tracks_other)
self.backend.playback.reset_call_limit().get()
self.core.tracklist.set_repeat(True)
tl_tracks = self.core.tracklist.get_tl_tracks()
self.core.playback.play(tl_tracks[1])
self.replay_events()
self.trigger_about_to_finish()
self.assertFalse(self.backend.playback.is_call_limit_reached().get())
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