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|
import random
import unittest
import pykka
from mopidy import core
from mopidy.core import PlaybackState
from mopidy.models import Playlist, Track
from mopidy_local import actor
from tests import (
dummy_audio,
generate_song,
path_to_data_dir,
populate_tracklist,
)
class LocalTracklistProviderTest(unittest.TestCase):
config = {
"core": {
"data_dir": path_to_data_dir(""),
"max_tracklist_length": 10000,
},
"local": {
"media_dir": path_to_data_dir(""),
"directories": [],
"timeout": 10,
"use_artist_sortname": False,
"album_art_files": [],
},
}
tracks = [Track(uri=generate_song(i), length=4464) for i in range(1, 4)]
def setUp(self): # noqa: N802
self.audio = dummy_audio.create_proxy()
self.backend = actor.LocalBackend.start(
config=self.config, audio=self.audio
).proxy()
self.core = core.Core.start(
audio=self.audio, backends=[self.backend], config=self.config
).proxy()
self.controller = self.core.tracklist
self.playback = self.core.playback
assert len(self.tracks) == 3, "Need three tracks to run tests."
def tearDown(self): # noqa: N802
pykka.ActorRegistry.stop_all()
def assert_state_is(self, state):
assert self.playback.get_state().get() == state
def assert_current_track_is(self, track):
assert self.playback.get_current_track().get() == track
def test_length(self):
assert 0 == len(self.controller.get_tl_tracks().get())
assert 0 == self.controller.get_length().get()
self.controller.add(self.tracks)
assert 3 == len(self.controller.get_tl_tracks().get())
assert 3 == self.controller.get_length().get()
def test_add(self):
for track in self.tracks:
added = self.controller.add([track]).get()
tracks = self.controller.get_tracks().get()
tl_tracks = self.controller.get_tl_tracks().get()
assert track == tracks[(-1)]
assert added[0] == tl_tracks[(-1)]
assert track == added[0].track
def test_add_at_position(self):
for track in self.tracks[:-1]:
added = self.controller.add([track], 0).get()
tracks = self.controller.get_tracks().get()
tl_tracks = self.controller.get_tl_tracks().get()
assert track == tracks[0]
assert added[0] == tl_tracks[0]
assert track == added[0].track
@populate_tracklist
def test_add_at_position_outside_of_playlist(self):
for track in self.tracks:
added = self.controller.add([track], len(self.tracks) + 2).get()
tracks = self.controller.get_tracks().get()
tl_tracks = self.controller.get_tl_tracks().get()
assert track == tracks[(-1)]
assert added[0] == tl_tracks[(-1)]
assert track == added[0].track
@populate_tracklist
def test_filter_by_tlid(self):
tl_track = self.controller.get_tl_tracks().get()[1]
result = self.controller.filter({"tlid": [tl_track.tlid]}).get()
assert [tl_track] == result
@populate_tracklist
def test_filter_by_uri(self):
tl_track = self.controller.get_tl_tracks().get()[1]
result = self.controller.filter({"uri": [tl_track.track.uri]}).get()
assert [tl_track] == result
@populate_tracklist
def test_filter_by_uri_returns_nothing_for_invalid_uri(self):
assert [] == self.controller.filter({"uri": ["foobar"]}).get()
def test_filter_by_uri_returns_single_match(self):
t = Track(uri="a")
self.controller.add([Track(uri="z"), t, Track(uri="y")])
result = self.controller.filter({"uri": ["a"]}).get()
assert t == result[0].track
def test_filter_by_uri_returns_multiple_matches(self):
track = Track(uri="a")
self.controller.add([Track(uri="z"), track, track])
tl_tracks = self.controller.filter({"uri": ["a"]}).get()
assert track == tl_tracks[0].track
assert track == tl_tracks[1].track
def test_filter_by_uri_returns_nothing_if_no_match(self):
self.controller.playlist = Playlist(
tracks=[Track(uri="z"), Track(uri="y")]
)
assert [] == self.controller.filter({"uri": ["a"]}).get()
def test_filter_by_multiple_criteria_returns_elements_matching_all(self):
t1 = Track(uri="a", name="x")
t2 = Track(uri="b", name="x")
t3 = Track(uri="b", name="y")
self.controller.add([t1, t2, t3])
result1 = self.controller.filter({"uri": ["a"], "name": ["x"]}).get()
assert t1 == result1[0].track
result2 = self.controller.filter({"uri": ["b"], "name": ["x"]}).get()
assert t2 == result2[0].track
result3 = self.controller.filter({"uri": ["b"], "name": ["y"]}).get()
assert t3 == result3[0].track
def test_filter_by_criteria_that_is_not_present_in_all_elements(self):
track1 = Track()
track2 = Track(uri="b")
track3 = Track()
self.controller.add([track1, track2, track3])
result = self.controller.filter({"uri": ["b"]}).get()
assert track2 == result[0].track
@populate_tracklist
def test_clear(self):
self.controller.clear().get()
assert len(self.controller.get_tracks().get()) == 0
def test_clear_empty_playlist(self):
self.controller.clear().get()
assert len(self.controller.get_tracks().get()) == 0
@populate_tracklist
def test_clear_when_playing(self):
self.playback.play().get()
self.assert_state_is(PlaybackState.PLAYING)
self.controller.clear().get()
self.assert_state_is(PlaybackState.STOPPED)
def test_add_appends_to_the_tracklist(self):
self.controller.add([Track(uri="a"), Track(uri="b")])
tracks = self.controller.get_tracks().get()
assert len(tracks) == 2
self.controller.add([Track(uri="c"), Track(uri="d")])
tracks = self.controller.get_tracks().get()
assert len(tracks) == 4
assert tracks[0].uri == "a"
assert tracks[1].uri == "b"
assert tracks[2].uri == "c"
assert tracks[3].uri == "d"
def test_add_does_not_reset_version(self):
version = self.controller.get_version().get()
self.controller.add([])
assert self.controller.get_version().get() == version
@populate_tracklist
def test_add_preserves_playing_state(self):
self.playback.play().get()
track = self.playback.get_current_track().get()
tracks = self.controller.get_tracks().get()
self.controller.add(tracks[1:2]).get()
self.assert_state_is(PlaybackState.PLAYING)
self.assert_current_track_is(track)
@populate_tracklist
def test_add_preserves_stopped_state(self):
tracks = self.controller.get_tracks().get()
self.controller.add(tracks[1:2]).get()
self.assert_state_is(PlaybackState.STOPPED)
self.assert_current_track_is(None)
@populate_tracklist
def test_add_returns_the_tl_tracks_that_was_added(self):
tracks = self.controller.get_tracks().get()
added = self.controller.add(tracks[1:2]).get()
tracks = self.controller.get_tracks().get()
assert added[0].track == tracks[1]
@populate_tracklist
def test_move_single(self):
self.controller.move(0, 0, 2)
tracks = self.controller.get_tracks().get()
assert tracks[2] == self.tracks[0]
@populate_tracklist
def test_move_group(self):
self.controller.move(0, 2, 1)
tracks = self.controller.get_tracks().get()
assert tracks[1] == self.tracks[0]
assert tracks[2] == self.tracks[1]
@populate_tracklist
def test_moving_track_outside_of_playlist(self):
num_tracks = len(self.controller.get_tracks().get())
with self.assertRaises(AssertionError):
self.controller.move(0, 0, num_tracks + 5).get()
@populate_tracklist
def test_move_group_outside_of_playlist(self):
num_tracks = len(self.controller.get_tracks().get())
with self.assertRaises(AssertionError):
self.controller.move(0, 2, num_tracks + 5).get()
@populate_tracklist
def test_move_group_out_of_range(self):
num_tracks = len(self.controller.get_tracks().get())
with self.assertRaises(AssertionError):
self.controller.move(num_tracks + 2, num_tracks + 3, 0).get()
@populate_tracklist
def test_move_group_invalid_group(self):
with self.assertRaises(AssertionError):
self.controller.move(2, 1, 0).get()
def test_tracks_attribute_is_immutable(self):
tracks1 = self.controller.get_tracks().get()
tracks2 = self.controller.get_tracks().get()
assert id(tracks1) != id(tracks2)
@populate_tracklist
def test_remove(self):
track1 = self.controller.get_tracks().get()[1]
track2 = self.controller.get_tracks().get()[2]
version = self.controller.get_version().get()
self.controller.remove({"uri": [track1.uri]})
assert version < self.controller.get_version().get()
assert track1 not in self.controller.get_tracks().get()
assert track2 == self.controller.get_tracks().get()[1]
@populate_tracklist
def test_removing_track_that_does_not_exist_does_nothing(self):
self.controller.remove({"uri": ["/nonexistant"]}).get()
def test_removing_from_empty_playlist_does_nothing(self):
self.controller.remove({"uri": ["/nonexistant"]}).get()
@populate_tracklist
def test_remove_lists(self):
version = self.controller.get_version().get()
tracks = self.controller.get_tracks().get()
track0 = tracks[0]
track1 = tracks[1]
track2 = tracks[2]
self.controller.remove({"uri": [track0.uri, track2.uri]})
tracks = self.controller.get_tracks().get()
assert version < self.controller.get_version().get()
assert track0 not in tracks
assert track2 not in tracks
assert track1 == tracks[0]
@populate_tracklist
def test_shuffle(self):
random.seed(1)
self.controller.shuffle()
shuffled_tracks = self.controller.get_tracks().get()
assert self.tracks != shuffled_tracks
assert set(self.tracks) == set(shuffled_tracks)
@populate_tracklist
def test_shuffle_subset(self):
random.seed(1)
self.controller.shuffle(1, 3)
shuffled_tracks = self.controller.get_tracks().get()
assert self.tracks != shuffled_tracks
assert self.tracks[0] == shuffled_tracks[0]
assert set(self.tracks) == set(shuffled_tracks)
@populate_tracklist
def test_shuffle_invalid_subset(self):
with self.assertRaises(AssertionError):
self.controller.shuffle(3, 1).get()
@populate_tracklist
def test_shuffle_superset(self):
num_tracks = len(self.controller.get_tracks().get())
with self.assertRaises(AssertionError):
self.controller.shuffle(1, num_tracks + 5).get()
@populate_tracklist
def test_shuffle_open_subset(self):
random.seed(1)
self.controller.shuffle(1)
shuffled_tracks = self.controller.get_tracks().get()
assert self.tracks != shuffled_tracks
assert self.tracks[0] == shuffled_tracks[0]
assert set(self.tracks) == set(shuffled_tracks)
@populate_tracklist
def test_slice_returns_a_subset_of_tracks(self):
track_slice = self.controller.slice(1, 3).get()
assert 2 == len(track_slice)
assert self.tracks[1] == track_slice[0].track
assert self.tracks[2] == track_slice[1].track
@populate_tracklist
def test_slice_returns_empty_list_if_indexes_outside_tracks_list(self):
assert 0 == len(self.controller.slice(7, 8).get())
assert 0 == len(self.controller.slice((-1), 1).get())
def test_version_does_not_change_when_adding_nothing(self):
version = self.controller.get_version().get()
self.controller.add([])
assert version == self.controller.get_version().get()
def test_version_increases_when_adding_something(self):
version = self.controller.get_version().get()
self.controller.add([Track()])
assert version < self.controller.get_version().get()
|
