mopidy/tests/core/test_history.py
2016-04-02 16:28:04 +02:00

107 lines
3.5 KiB
Python

from __future__ import absolute_import, unicode_literals
import unittest
from mopidy import compat
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')
]
self.history = HistoryController()
def test_add_track(self):
self.history._add_track(self.tracks[0])
self.assertEqual(self.history.get_length(), 1)
self.history._add_track(self.tracks[1])
self.assertEqual(self.history.get_length(), 2)
self.history._add_track(self.tracks[2])
self.assertEqual(self.history.get_length(), 3)
def test_non_tracks_are_rejected(self):
with self.assertRaises(TypeError):
self.history._add_track(object())
self.assertEqual(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]
self.assertIsInstance(timestamp, compat.integer_types)
self.assertEqual(track.uri, ref.uri)
self.assertIn(track.name, ref.name)
for artist in track.artists:
self.assertIn(artist.name, ref.name)
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()
self.assertEqual(len(value.history), 2)
# last in, first out
self.assertEqual(value.history[0].track, self.refs[1])
self.assertEqual(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()
self.assertEqual(len(hist), 3)
self.assertEqual(hist[0], (34, self.refs[0]))
self.assertEqual(hist[1], (45, self.refs[2]))
self.assertEqual(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()
self.assertEqual(len(hist), 4)
self.assertEqual(hist[0][1], self.refs[1])
self.assertEqual(hist[1], (34, self.refs[0]))
self.assertEqual(hist[2], (45, self.refs[2]))
self.assertEqual(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)