447 lines
15 KiB
Python
447 lines
15 KiB
Python
from __future__ import unicode_literals
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import mock
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import threading
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import unittest
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import pygst
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pygst.require('0.10')
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import gst
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import gobject
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gobject.threads_init()
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import pykka
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from mopidy import audio
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from mopidy.audio import dummy as dummy_audio
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from mopidy.audio.constants import PlaybackState
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from mopidy.utils.path import path_to_uri
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from tests import path_to_data_dir
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"""
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We want to make sure both our real audio class and the fake one behave
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correctly. So each test is first run against the real class, then repeated
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against our dummy.
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"""
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class BaseTest(unittest.TestCase):
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config = {
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'audio': {
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'mixer': 'fakemixer track_max_volume=65536',
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'mixer_track': None,
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'mixer_volume': None,
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'output': 'fakesink',
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'visualizer': None,
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}
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}
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uris = [path_to_uri(path_to_data_dir('song1.wav')),
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path_to_uri(path_to_data_dir('song2.wav'))]
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audio_class = audio.Audio
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def setUp(self):
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self.audio = self.audio_class.start(config=self.config).proxy()
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def tearDown(self):
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pykka.ActorRegistry.stop_all()
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def possibly_trigger_fake_playback_error(self):
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pass
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def possibly_trigger_fake_about_to_finish(self):
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pass
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class DummyMixin(object):
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audio_class = dummy_audio.DummyAudio
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def possibly_trigger_fake_playback_error(self):
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self.audio.trigger_fake_playback_failure()
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def possibly_trigger_fake_about_to_finish(self):
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callback = self.audio.get_about_to_finish_callback().get()
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if callback:
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callback()
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class AudioTest(BaseTest):
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def test_start_playback_existing_file(self):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.assertTrue(self.audio.start_playback().get())
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def test_start_playback_non_existing_file(self):
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self.possibly_trigger_fake_playback_error()
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0] + 'bogus')
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self.assertFalse(self.audio.start_playback().get())
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def test_pause_playback_while_playing(self):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.assertTrue(self.audio.pause_playback().get())
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def test_stop_playback_while_playing(self):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.assertTrue(self.audio.stop_playback().get())
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@unittest.SkipTest
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def test_deliver_data(self):
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pass # TODO
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@unittest.SkipTest
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def test_end_of_data_stream(self):
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pass # TODO
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@unittest.SkipTest
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def test_set_mute(self):
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pass # TODO Probably needs a fakemixer with a mixer track
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@unittest.SkipTest
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def test_set_state_encapsulation(self):
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pass # TODO
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@unittest.SkipTest
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def test_set_position(self):
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pass # TODO
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@unittest.SkipTest
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def test_invalid_output_raises_error(self):
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pass # TODO
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class AudioDummyTest(DummyMixin, AudioTest):
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pass
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@mock.patch.object(audio.AudioListener, 'send')
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class AudioEventTest(BaseTest):
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def setUp(self):
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super(AudioEventTest, self).setUp()
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self.audio.enable_sync_handler().get()
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# TODO: test wihtout uri set, with bad uri and gapless...
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# TODO: playing->playing triggered by seek should be removed
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# TODO: codify expected state after EOS
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# TODO: consider returning a future or a threading event?
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def test_state_change_stopped_to_playing_event(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.audio.wait_for_state_change().get()
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call = mock.call('state_changed', old_state=PlaybackState.STOPPED,
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new_state=PlaybackState.PLAYING)
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self.assertIn(call, send_mock.call_args_list)
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def test_state_change_stopped_to_paused_event(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.pause_playback()
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self.audio.wait_for_state_change().get()
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call = mock.call('state_changed', old_state=PlaybackState.STOPPED,
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new_state=PlaybackState.PAUSED)
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self.assertIn(call, send_mock.call_args_list)
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def test_state_change_paused_to_playing_event(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.pause_playback()
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self.audio.wait_for_state_change()
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self.audio.start_playback()
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self.audio.wait_for_state_change().get()
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call = mock.call('state_changed', old_state=PlaybackState.PAUSED,
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new_state=PlaybackState.PLAYING)
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self.assertIn(call, send_mock.call_args_list)
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def test_state_change_paused_to_stopped_event(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.pause_playback()
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self.audio.wait_for_state_change()
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self.audio.stop_playback()
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self.audio.wait_for_state_change().get()
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call = mock.call('state_changed', old_state=PlaybackState.PAUSED,
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new_state=PlaybackState.STOPPED)
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self.assertIn(call, send_mock.call_args_list)
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def test_state_change_playing_to_paused_event(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.audio.wait_for_state_change()
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self.audio.pause_playback()
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self.audio.wait_for_state_change().get()
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call = mock.call('state_changed', old_state=PlaybackState.PLAYING,
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new_state=PlaybackState.PAUSED)
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self.assertIn(call, send_mock.call_args_list)
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def test_state_change_playing_to_stopped_event(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.audio.wait_for_state_change()
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self.audio.stop_playback()
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self.audio.wait_for_state_change().get()
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call = mock.call('state_changed', old_state=PlaybackState.PLAYING,
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new_state=PlaybackState.STOPPED)
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self.assertIn(call, send_mock.call_args_list)
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def test_stream_changed_event_on_playing(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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# Since we are going from stopped to playing, the state change is
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# enough to ensure the stream changed.
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self.audio.wait_for_state_change().get()
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call = mock.call('stream_changed', uri=self.uris[0])
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self.assertIn(call, send_mock.call_args_list)
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def test_stream_changed_event_on_paused_to_stopped(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.pause_playback()
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self.audio.wait_for_state_change()
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self.audio.stop_playback()
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self.audio.wait_for_state_change().get()
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call = mock.call('stream_changed', uri=None)
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self.assertIn(call, send_mock.call_args_list)
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def test_position_changed_on_pause(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.pause_playback()
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self.audio.wait_for_state_change()
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self.audio.wait_for_state_change().get()
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call = mock.call('position_changed', position=0)
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self.assertIn(call, send_mock.call_args_list)
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def test_position_changed_on_play(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.audio.wait_for_state_change()
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self.audio.wait_for_state_change().get()
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call = mock.call('position_changed', position=0)
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self.assertIn(call, send_mock.call_args_list)
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def test_position_changed_on_seek(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.set_position(2000)
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self.audio.wait_for_state_change().get()
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call = mock.call('position_changed', position=0)
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self.assertNotIn(call, send_mock.call_args_list)
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def test_position_changed_on_seek_after_play(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.audio.wait_for_state_change()
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self.audio.set_position(2000)
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self.audio.wait_for_state_change().get()
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call = mock.call('position_changed', position=2000)
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self.assertIn(call, send_mock.call_args_list)
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def test_position_changed_on_seek_after_pause(self, send_mock):
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.pause_playback()
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self.audio.wait_for_state_change()
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self.audio.set_position(2000)
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self.audio.wait_for_state_change().get()
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call = mock.call('position_changed', position=2000)
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self.assertIn(call, send_mock.call_args_list)
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# Unlike the other events, having the state changed done is not
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# enough to ensure our event is called. So we setup a threading
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# event that we can wait for with a timeout while the track playback
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# completes.
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def test_stream_changed_event_on_paused(self, send_mock):
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event = threading.Event()
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def send(name, **kwargs):
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if name == 'stream_changed':
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event.set()
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send_mock.side_effect = send
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.pause_playback().get()
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self.audio.wait_for_state_change().get()
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if not event.wait(timeout=1.0):
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self.fail('Stream changed not reached within deadline')
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def test_reached_end_of_stream_event(self, send_mock):
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event = threading.Event()
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def send(name, **kwargs):
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if name == 'reached_end_of_stream':
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event.set()
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send_mock.side_effect = send
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.audio.wait_for_state_change().get()
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self.possibly_trigger_fake_about_to_finish()
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if not event.wait(timeout=1.0):
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self.fail('End of stream not reached within deadline')
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# Make sure that gapless really works:
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def test_gapless(self, send_mock):
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uris = self.uris[1:]
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events = []
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done = threading.Event()
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def callback():
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if uris:
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self.audio.set_uri(uris.pop()).get()
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def send(name, **kwargs):
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events.append((name, kwargs))
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if name == 'reached_end_of_stream':
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done.set()
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send_mock.side_effect = send
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self.audio.set_about_to_finish_callback(callback).get()
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self.audio.prepare_change()
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self.audio.set_uri(self.uris[0])
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self.audio.start_playback()
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self.possibly_trigger_fake_about_to_finish()
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self.audio.wait_for_state_change().get()
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self.possibly_trigger_fake_about_to_finish()
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if not done.wait(timeout=1.0):
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self.fail('EOS not received')
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excepted = [
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('position_changed', {'position': 0}),
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('stream_changed', {'uri': self.uris[0]}),
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('state_changed', {'old_state': PlaybackState.STOPPED,
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'new_state': PlaybackState.PLAYING}),
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('position_changed', {'position': 0}),
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('stream_changed', {'uri': self.uris[1]}),
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('reached_end_of_stream', {})]
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self.assertEqual(excepted, events)
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class AudioDummyEventTest(DummyMixin, AudioEventTest):
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pass
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# TODO: this is really a mixer scaling test, has nothing to do with audio
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class MixerTest(BaseTest):
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def test_set_volume(self):
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for value in range(0, 101):
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self.assertTrue(self.audio.set_volume(value).get())
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self.assertEqual(value, self.audio.get_volume().get())
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def test_set_volume_with_mixer_max_below_100(self):
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config = {
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'audio': {
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'mixer': 'fakemixer track_max_volume=40',
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'mixer_track': None,
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'mixer_volume': None,
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'output': 'fakesink',
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'visualizer': None,
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}
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}
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self.audio = self.audio_class.start(config=config).proxy()
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for value in range(0, 101):
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self.assertTrue(self.audio.set_volume(value).get())
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self.assertEqual(value, self.audio.get_volume().get())
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def test_set_volume_with_mixer_min_equal_max(self):
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config = {
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'audio': {
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'mixer': 'fakemixer track_max_volume=0',
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'mixer_track': None,
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'mixer_volume': None,
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'output': 'fakesink',
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'visualizer': None,
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}
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}
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self.audio = self.audio_class.start(config=config).proxy()
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self.assertEqual(0, self.audio.get_volume().get())
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class AudioStateTest(unittest.TestCase):
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def setUp(self):
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self.audio = audio.Audio(config=None)
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def test_state_starts_as_stopped(self):
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self.assertEqual(audio.PlaybackState.STOPPED, self.audio.state)
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def test_state_does_not_change_when_in_gst_ready_state(self):
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self.audio._on_playbin_state_changed(
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gst.STATE_NULL, gst.STATE_READY, gst.STATE_VOID_PENDING)
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self.assertEqual(audio.PlaybackState.STOPPED, self.audio.state)
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def test_state_changes_from_stopped_to_playing_on_play(self):
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self.audio._on_playbin_state_changed(
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gst.STATE_NULL, gst.STATE_READY, gst.STATE_PLAYING)
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self.audio._on_playbin_state_changed(
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gst.STATE_READY, gst.STATE_PAUSED, gst.STATE_PLAYING)
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self.audio._on_playbin_state_changed(
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gst.STATE_PAUSED, gst.STATE_PLAYING, gst.STATE_VOID_PENDING)
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self.assertEqual(audio.PlaybackState.PLAYING, self.audio.state)
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def test_state_changes_from_playing_to_paused_on_pause(self):
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self.audio.state = audio.PlaybackState.PLAYING
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self.audio._on_playbin_state_changed(
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gst.STATE_PLAYING, gst.STATE_PAUSED, gst.STATE_VOID_PENDING)
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self.assertEqual(audio.PlaybackState.PAUSED, self.audio.state)
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def test_state_changes_from_playing_to_stopped_on_stop(self):
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self.audio.state = audio.PlaybackState.PLAYING
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self.audio._on_playbin_state_changed(
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gst.STATE_PLAYING, gst.STATE_PAUSED, gst.STATE_NULL)
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self.audio._on_playbin_state_changed(
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gst.STATE_PAUSED, gst.STATE_READY, gst.STATE_NULL)
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# We never get the following call, so the logic must work without it
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#self.audio._on_playbin_state_changed(
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# gst.STATE_READY, gst.STATE_NULL, gst.STATE_VOID_PENDING)
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self.assertEqual(audio.PlaybackState.STOPPED, self.audio.state)
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