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import unittest
from mopidy.core import HistoryController
from mopidy.internal.models import HistoryState, HistoryTrack
from mopidy.models import Artist, Ref, Track
class PlaybackHistoryTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.tracks = [
Track(
uri="dummy1:a",
name="foo",
artists=[Artist(name="foober"), Artist(name="barber")],
),
Track(uri="dummy2:a", name="foo"),
Track(uri="dummy3:a", name="bar"),
Track(uri="dummy4:a", name="foo", artists=[Artist(name=None)]),
]
self.history = HistoryController()
def test_add_track(self):
self.history._add_track(self.tracks[0])
assert self.history.get_length() == 1
self.history._add_track(self.tracks[1])
assert self.history.get_length() == 2
self.history._add_track(self.tracks[2])
assert self.history.get_length() == 3
def test_non_tracks_are_rejected(self):
with self.assertRaises(TypeError):
self.history._add_track(object())
assert self.history.get_length() == 0
def test_history_entry_contents(self):
track = self.tracks[0]
self.history._add_track(track)
result = self.history.get_history()
(timestamp, ref) = result[0]
assert isinstance(timestamp, int)
assert track.uri == ref.uri
assert track.name in ref.name
for artist in track.artists:
assert artist.name in ref.name
def test_track_artist_no_name(self):
self.history._add_track(self.tracks[3])
assert self.history.get_length() == 1
class CoreHistorySaveLoadStateTest(unittest.TestCase):
def setUp(self): # noqa: N802
self.tracks = [
Track(uri="dummy1:a", name="foober"),
Track(uri="dummy2:a", name="foo"),
Track(uri="dummy3:a", name="bar"),
]
self.refs = []
for t in self.tracks:
self.refs.append(Ref.track(uri=t.uri, name=t.name))
self.history = HistoryController()
def test_save(self):
self.history._add_track(self.tracks[2])
self.history._add_track(self.tracks[1])
value = self.history._save_state()
assert len(value.history) == 2
# last in, first out
assert value.history[0].track == self.refs[1]
assert value.history[1].track == self.refs[2]
def test_load(self):
state = HistoryState(
history=[
HistoryTrack(timestamp=34, track=self.refs[0]),
HistoryTrack(timestamp=45, track=self.refs[2]),
HistoryTrack(timestamp=56, track=self.refs[1]),
]
)
coverage = ["history"]
self.history._load_state(state, coverage)
hist = self.history.get_history()
assert len(hist) == 3
assert hist[0] == (34, self.refs[0])
assert hist[1] == (45, self.refs[2])
assert hist[2] == (56, self.refs[1])
# after import, adding more tracks must be possible
self.history._add_track(self.tracks[1])
hist = self.history.get_history()
assert len(hist) == 4
assert hist[0][1] == self.refs[1]
assert hist[1] == (34, self.refs[0])
assert hist[2] == (45, self.refs[2])
assert hist[3] == (56, self.refs[1])
def test_load_invalid_type(self):
with self.assertRaises(TypeError):
self.history._load_state(11, None)
def test_load_none(self):
self.history._load_state(None, None)
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