from __future__ import unicode_literals import unittest import mock from mopidy import backend, core from mopidy.models import Playlist, Track class PlaylistsTest(unittest.TestCase): def setUp(self): self.backend1 = mock.Mock() self.backend1.uri_schemes.get.return_value = ['dummy1'] self.sp1 = mock.Mock(spec=backend.PlaylistsProvider) self.backend1.playlists = self.sp1 self.backend2 = mock.Mock() self.backend2.uri_schemes.get.return_value = ['dummy2'] self.sp2 = mock.Mock(spec=backend.PlaylistsProvider) self.backend2.playlists = self.sp2 # A backend without the optional playlists provider self.backend3 = mock.Mock() self.backend3.uri_schemes.get.return_value = ['dummy3'] self.backend3.has_playlists().get.return_value = False self.backend3.playlists = None self.pl1a = Playlist(name='A', tracks=[Track(uri='dummy1:a')]) self.pl1b = Playlist(name='B', tracks=[Track(uri='dummy1:b')]) self.sp1.playlists.get.return_value = [self.pl1a, self.pl1b] self.pl2a = Playlist(name='A', tracks=[Track(uri='dummy2:a')]) self.pl2b = Playlist(name='B', tracks=[Track(uri='dummy2:b')]) self.sp2.playlists.get.return_value = [self.pl2a, self.pl2b] self.core = core.Core(audio=None, backends=[ self.backend3, self.backend1, self.backend2]) def test_get_playlists_combines_result_from_backends(self): result = self.core.playlists.playlists self.assertIn(self.pl1a, result) self.assertIn(self.pl1b, result) self.assertIn(self.pl2a, result) self.assertIn(self.pl2b, result) def test_get_playlists_includes_tracks_by_default(self): result = self.core.playlists.get_playlists() self.assertEqual(result[0].name, 'A') self.assertEqual(len(result[0].tracks), 1) self.assertEqual(result[1].name, 'B') self.assertEqual(len(result[1].tracks), 1) def test_get_playlist_can_strip_tracks_from_returned_playlists(self): result = self.core.playlists.get_playlists(include_tracks=False) self.assertEqual(result[0].name, 'A') self.assertEqual(len(result[0].tracks), 0) self.assertEqual(result[1].name, 'B') self.assertEqual(len(result[1].tracks), 0) def test_create_without_uri_scheme_uses_first_backend(self): playlist = Playlist() self.sp1.create().get.return_value = playlist self.sp1.reset_mock() result = self.core.playlists.create('foo') self.assertEqual(playlist, result) self.sp1.create.assert_called_once_with('foo') self.assertFalse(self.sp2.create.called) def test_create_with_uri_scheme_selects_the_matching_backend(self): playlist = Playlist() self.sp2.create().get.return_value = playlist self.sp2.reset_mock() result = self.core.playlists.create('foo', uri_scheme='dummy2') self.assertEqual(playlist, result) self.assertFalse(self.sp1.create.called) self.sp2.create.assert_called_once_with('foo') def test_create_with_unsupported_uri_scheme_uses_first_backend(self): playlist = Playlist() self.sp1.create().get.return_value = playlist self.sp1.reset_mock() result = self.core.playlists.create('foo', uri_scheme='dummy3') self.assertEqual(playlist, result) self.sp1.create.assert_called_once_with('foo') self.assertFalse(self.sp2.create.called) def test_delete_selects_the_dummy1_backend(self): self.core.playlists.delete('dummy1:a') self.sp1.delete.assert_called_once_with('dummy1:a') self.assertFalse(self.sp2.delete.called) def test_delete_selects_the_dummy2_backend(self): self.core.playlists.delete('dummy2:a') self.assertFalse(self.sp1.delete.called) self.sp2.delete.assert_called_once_with('dummy2:a') def test_delete_with_unknown_uri_scheme_does_nothing(self): self.core.playlists.delete('unknown:a') self.assertFalse(self.sp1.delete.called) self.assertFalse(self.sp2.delete.called) def test_delete_ignores_backend_without_playlist_support(self): self.core.playlists.delete('dummy3:a') self.assertFalse(self.sp1.delete.called) self.assertFalse(self.sp2.delete.called) def test_filter_returns_matching_playlists(self): result = self.core.playlists.filter(name='A') self.assertEqual(2, len(result)) def test_filter_accepts_dict_instead_of_kwargs(self): result = self.core.playlists.filter({'name': 'A'}) self.assertEqual(2, len(result)) def test_lookup_selects_the_dummy1_backend(self): self.core.playlists.lookup('dummy1:a') self.sp1.lookup.assert_called_once_with('dummy1:a') self.assertFalse(self.sp2.lookup.called) def test_lookup_selects_the_dummy2_backend(self): self.core.playlists.lookup('dummy2:a') self.assertFalse(self.sp1.lookup.called) self.sp2.lookup.assert_called_once_with('dummy2:a') def test_lookup_track_in_backend_without_playlists_fails(self): result = self.core.playlists.lookup('dummy3:a') self.assertIsNone(result) self.assertFalse(self.sp1.lookup.called) self.assertFalse(self.sp2.lookup.called) def test_refresh_without_uri_scheme_refreshes_all_backends(self): self.core.playlists.refresh() self.sp1.refresh.assert_called_once_with() self.sp2.refresh.assert_called_once_with() def test_refresh_with_uri_scheme_refreshes_matching_backend(self): self.core.playlists.refresh(uri_scheme='dummy2') self.assertFalse(self.sp1.refresh.called) self.sp2.refresh.assert_called_once_with() def test_refresh_with_unknown_uri_scheme_refreshes_nothing(self): self.core.playlists.refresh(uri_scheme='foobar') self.assertFalse(self.sp1.refresh.called) self.assertFalse(self.sp2.refresh.called) def test_refresh_ignores_backend_without_playlist_support(self): self.core.playlists.refresh(uri_scheme='dummy3') self.assertFalse(self.sp1.refresh.called) self.assertFalse(self.sp2.refresh.called) def test_save_selects_the_dummy1_backend(self): playlist = Playlist(uri='dummy1:a') self.sp1.save().get.return_value = playlist self.sp1.reset_mock() result = self.core.playlists.save(playlist) self.assertEqual(playlist, result) self.sp1.save.assert_called_once_with(playlist) self.assertFalse(self.sp2.save.called) def test_save_selects_the_dummy2_backend(self): playlist = Playlist(uri='dummy2:a') self.sp2.save().get.return_value = playlist self.sp2.reset_mock() result = self.core.playlists.save(playlist) self.assertEqual(playlist, result) self.assertFalse(self.sp1.save.called) self.sp2.save.assert_called_once_with(playlist) def test_save_does_nothing_if_playlist_uri_is_unset(self): result = self.core.playlists.save(Playlist()) self.assertIsNone(result) self.assertFalse(self.sp1.save.called) self.assertFalse(self.sp2.save.called) def test_save_does_nothing_if_playlist_uri_has_unknown_scheme(self): result = self.core.playlists.save(Playlist(uri='foobar:a')) self.assertIsNone(result) self.assertFalse(self.sp1.save.called) self.assertFalse(self.sp2.save.called) def test_save_ignores_backend_without_playlist_support(self): result = self.core.playlists.save(Playlist(uri='dummy3:a')) self.assertIsNone(result) self.assertFalse(self.sp1.save.called) self.assertFalse(self.sp2.save.called)