def test_skip_song(self):
"""Test to skip a playlist entry
"""
with self.get_instance() as (vlc_player, _, _):
# mock the callbacks
vlc_player.set_callback("started_transition", MagicMock())
vlc_player.set_callback("started_song", MagicMock())
vlc_player.set_callback("finished", MagicMock())
# pre assertions
self.assertIsNone(vlc_player.playlist_entry)
self.assertIsNone(vlc_player.player.get_media())
self.assertEqual(vlc_player.player.get_state(),
vlc.State.NothingSpecial)
# request initial playlist entry to play
vlc_player.set_playlist_entry(self.playlist_entry1)
# wait for the media to start
self.wait_is_playing(vlc_player, "song")
# post assertions for song
self.assertEqual(vlc_player.player.get_state(), vlc.State.Playing)
self.assertIsNotNone(vlc_player.playlist_entry)
# check media exists
media = vlc_player.player.get_media()
self.assertIsNotNone(media)
# check media path
file_path = mrl_to_path(media.get_mrl())
self.assertEqual(file_path, self.song1_path)
# request first playlist entry to stop
vlc_player.skip()
# check the song is stopped accordingly
self.assertIsNone(vlc_player.playlist_entry)
vlc_player.callbacks["finished"].assert_called_with(
self.playlist_entry1["id"])
# request second playlist entry to play
vlc_player.set_playlist_entry(self.playlist_entry2)
# wait for the media to start
self.wait_is_playing(vlc_player, "song")
# post assertions for song
self.assertEqual(vlc_player.player.get_state(), vlc.State.Playing)
self.assertIsNotNone(vlc_player.playlist_entry)
# check media exists
media = vlc_player.player.get_media()
self.assertIsNotNone(media)
# check media path
file_path = mrl_to_path(media.get_mrl())
self.assertEqual(file_path, self.song2_path)
def test_mrl_to_path_posix(self):
"""Test to convert MRL to path for POSIX
"""
path = mrl_to_path("file:///home/username/directory/file%20name.ext")
self.assertEqual(
path,
Path("/home").normpath() / "username" / "directory" /
"file name.ext")
def test_mrl_to_path_windows(self):
"""Test to convert MRL to path for Windows
"""
path = mrl_to_path(
"file:///C:/Users/username/directory/file%20name.ext")
self.assertEqual(
path,
Path("C:/Users").normpath() / "username" / "directory" /
"file name.ext",
)
def test_play_playlist_entry_instrumental_track_avi(self):
"""Test to play a playlist entry AVI file using instrumental track
This type of file is known to have data in the key we use to store
information in media.
"""
# request to use instrumental track
self.playlist_entry3["use_instrumental"] = True
with self.get_instance() as (vlc_player, _, _):
# mock the callbacks
vlc_player.set_callback("started_transition", MagicMock())
vlc_player.set_callback("started_song", MagicMock())
# pre assertions
self.assertIsNone(vlc_player.playlist_entry)
self.assertIsNone(vlc_player.player.get_media())
self.assertEqual(vlc_player.player.get_state(),
vlc.State.NothingSpecial)
# call the method
vlc_player.set_playlist_entry(self.playlist_entry3)
# wait for the song to start
self.wait_is_playing(vlc_player, "song")
# post assertions for song
self.assertEqual(vlc_player.player.get_state(), vlc.State.Playing)
# check media exists
media = vlc_player.player.get_media()
self.assertIsNotNone(media)
# check media path
file_path = mrl_to_path(media.get_mrl())
self.assertEqual(file_path, self.song3_path)
# check audio track
track = vlc_player.player.audio_get_track()
self.assertEqual(track, 2)
# assert the started song callback has been called
vlc_player.callbacks["started_song"].assert_called_with(
self.playlist_entry3["id"])
def test_play_playlist_entry_instrumental_file(self):
"""Test to play a playlist entry using instrumental file
"""
# request to use instrumental file
self.playlist_entry1["song"]["file_path"] = self.song2_path
self.playlist_entry1["use_instrumental"] = True
with self.get_instance() as (vlc_player, _, _):
# mock the callbacks
vlc_player.set_callback("started_transition", MagicMock())
vlc_player.set_callback("started_song", MagicMock())
# pre assertions
self.assertIsNone(vlc_player.playlist_entry)
self.assertIsNone(vlc_player.player.get_media())
self.assertEqual(vlc_player.player.get_state(),
vlc.State.NothingSpecial)
# call the method
vlc_player.set_playlist_entry(self.playlist_entry1)
# wait for the song to start
self.wait_is_playing(vlc_player, "song")
# post assertions for song
self.assertEqual(vlc_player.player.get_state(), vlc.State.Playing)
# check media exists
media = vlc_player.player.get_media()
self.assertIsNotNone(media)
# check media path
file_path = mrl_to_path(media.get_mrl())
self.assertEqual(file_path, self.song2_path)
# check audio track
track = vlc_player.player.audio_get_track()
self.assertEqual(track, 4)
# assert the started song callback has been called
vlc_player.callbacks["started_song"].assert_called_with(
self.playlist_entry1["id"])
def handle_end_reached(self, event):
"""Callback called when a media ends.
This happens when:
- A transition screen ends, leading to playing the actual song;
- A song ends normally, leading to calling the callback
`callbacks["finished"]`;
- An idle screen ends, leading to reloop it.
A new thread is created in any case.
Args:
event (vlc.EventType): VLC event object.
"""
logger.debug("End reached callback called")
# the transition screen has finished, request to play the song itself
if self.is_playing_this("transition"):
logger.debug("Will play '{}'".format(
mrl_to_path(self.playlist_entry_data["song"].media.get_mrl())))
thread = self.create_thread(target=self.play, args=("song", ))
thread.start()
return
# the media has finished, so call the according callback and clean memory
if self.is_playing_this("song"):
self.callbacks["finished"](self.playlist_entry["id"])
self.clear_playlist_entry()
return
# the idle screen has finished, simply restart it
if self.is_playing_this("idle"):
thread = self.create_thread(target=self.play, args=("idle", ))
thread.start()
return
# if no state can be determined, raise an error
raise InvalidStateError("End reached on an undeterminated state")
def test_play_idle(self):
"""Test to display the idle screen
"""
with self.get_instance() as (vlc_player, temp, _):
# pre assertions
self.assertIsNone(vlc_player.player.get_media())
self.assertEqual(vlc_player.player.get_state(),
vlc.State.NothingSpecial)
# call the method
vlc_player.play("idle")
# wait for the idle screen to start
self.wait_is_playing(vlc_player, "idle")
# post assertions
self.assertEqual(vlc_player.player.get_state(), vlc.State.Playing)
self.assertIsNotNone(vlc_player.player.get_media())
media = vlc_player.player.get_media()
file_path = mrl_to_path(media.get_mrl())
self.assertEqual(file_path, temp / IDLE_BG_NAME)
def handle_encountered_error(self, event):
"""Callback called when error occurs
There is no way to capture error message, so only a generic error
message is provided. Call the callbacks `callbacks["finished"]` and
`callbacks["error"]`
Args:
event (vlc.EventType): VLC event object.
"""
logger.debug("Error callback called")
# the current song media has an error, skip the song, log the error and
# call error callback
if self.is_playing_this("song"):
logger.error("Unable to play '%s'",
mrl_to_path(self.player.get_media().get_mrl()))
self.callbacks["error"](self.playlist_entry["id"],
"Unable to play current song")
self.skip()
return
def test_play_playlist_entry(self):
"""Test to play a playlist entry
First, the transition screen is played, then the song itself.
"""
with self.get_instance() as (vlc_player, temp, _):
# mock the callbacks
vlc_player.set_callback("started_transition", MagicMock())
vlc_player.set_callback("started_song", MagicMock())
# pre assertions
self.assertIsNone(vlc_player.playlist_entry)
self.assertIsNone(vlc_player.player.get_media())
self.assertEqual(vlc_player.player.get_state(),
vlc.State.NothingSpecial)
# call the method
vlc_player.set_playlist_entry(self.playlist_entry1, autoplay=False)
# check media did not started
self.assertFalse(
vlc_player.playlist_entry_data["transition"].started)
self.assertFalse(vlc_player.playlist_entry_data["song"].started)
# start playing
vlc_player.play("transition")
# wait for the transition screen to start
self.wait_is_playing(vlc_player, "transition")
# post assertions for transition screen
self.assertEqual(vlc_player.player.get_state(), vlc.State.Playing)
self.assertIsNotNone(vlc_player.playlist_entry)
# check transition media only started
self.assertTrue(
vlc_player.playlist_entry_data["transition"].started)
self.assertFalse(vlc_player.playlist_entry_data["song"].started)
# check media exists
media = vlc_player.player.get_media()
self.assertIsNotNone(media)
# check media path
file_path = mrl_to_path(media.get_mrl())
self.assertEqual(file_path, temp / TRANSITION_BG_NAME)
# check there is no audio track
track = vlc_player.player.audio_get_track()
self.assertEqual(track, -1)
# TODO check which subtitle file is read
# seems impossible to do for now
# assert the started transition callback has been called
vlc_player.callbacks["started_transition"].assert_called_with(
self.playlist_entry1["id"])
# wait for the media to start
self.wait_is_playing(vlc_player, "song")
# post assertions for song
self.assertEqual(vlc_player.player.get_state(), vlc.State.Playing)
# check song media also started
self.assertTrue(
vlc_player.playlist_entry_data["transition"].started)
self.assertTrue(vlc_player.playlist_entry_data["song"].started)
# check media exists
media = vlc_player.player.get_media()
self.assertIsNotNone(media)
# check media path
file_path = mrl_to_path(media.get_mrl())
self.assertEqual(file_path, self.song1_path)
# check audio track
track = vlc_player.player.audio_get_track()
self.assertEqual(track, 1)
# assert the started song callback has been called
vlc_player.callbacks["started_song"].assert_called_with(
self.playlist_entry1["id"])
def handle_playing(self, event):
"""Callback called when playing has started.
This happens when:
- The player resumes from pause;
- A transition screen starts;
- A song starts, leading to set the requested audio track to play;
- An idle screen starts.
Args:
event (vlc.EventType): VLC event object.
"""
logger.debug("Playing callback called")
# the media or the transition is resuming from pause
# it is pretty hard to detect this case, as we do not have a previous
# state in memory
# we rely on a specific flag stored in `playlist_entry_data` Media
# objects which is set to True when the corresponding media starts
if (self.is_playing_this("transition")
and self.playlist_entry_data["transition"].started
or self.is_playing_this("song")
and self.playlist_entry_data["song"].started):
self.callbacks["resumed"](self.playlist_entry["id"],
self.get_timing())
logger.debug("Resumed play")
return
# the transition screen starts to play
if self.is_playing_this("transition"):
self.callbacks["started_transition"](self.playlist_entry["id"])
self.playlist_entry_data["transition"].started = True
logger.info("Playing transition for '%s'",
self.playlist_entry["song"]["title"])
return
# the song starts to play
if self.is_playing_this("song"):
self.callbacks["started_song"](self.playlist_entry["id"])
# set instrumental track if necessary
audio_track_id = self.playlist_entry_data["song"].audio_track_id
if audio_track_id is not None:
logger.debug("Requesting to play audio track %i",
audio_track_id)
self.player.audio_set_track(audio_track_id)
self.playlist_entry_data["song"].started = True
logger.info(
"Now playing '%s' ('%s')",
self.playlist_entry["song"]["title"],
mrl_to_path(self.player.get_media().get_mrl()),
)
return
# the idle screen starts to play
if self.is_playing_this("idle"):
logger.debug("Playing idle screen")
return
raise InvalidStateError("Playing on an undeterminated state")
