mirror of
https://github.com/beetbox/beets.git
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247 lines
9.1 KiB
Python
247 lines
9.1 KiB
Python
# This file is part of beets.
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# Copyright 2016, Fabrice Laporte.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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"""Tests for the 'lastgenre' plugin."""
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import unittest
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from unittest.mock import Mock
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from test import _common
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from beetsplug import lastgenre
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from beets import config
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from test.helper import TestHelper
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class LastGenrePluginTest(unittest.TestCase, TestHelper):
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def setUp(self):
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self.setup_beets()
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self.plugin = lastgenre.LastGenrePlugin()
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def tearDown(self):
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self.teardown_beets()
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def _setup_config(self, whitelist=False, canonical=False, count=1,
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prefer_specific=False):
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config['lastgenre']['canonical'] = canonical
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config['lastgenre']['count'] = count
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config['lastgenre']['prefer_specific'] = prefer_specific
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if isinstance(whitelist, (bool, (str,))):
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# Filename, default, or disabled.
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config['lastgenre']['whitelist'] = whitelist
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self.plugin.setup()
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if not isinstance(whitelist, (bool, (str,))):
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# Explicit list of genres.
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self.plugin.whitelist = whitelist
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def test_default(self):
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"""Fetch genres with whitelist and c14n deactivated
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"""
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self._setup_config()
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self.assertEqual(self.plugin._resolve_genres(['delta blues']),
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'Delta Blues')
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def test_c14n_only(self):
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"""Default c14n tree funnels up to most common genre except for *wrong*
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genres that stay unchanged.
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"""
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self._setup_config(canonical=True, count=99)
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self.assertEqual(self.plugin._resolve_genres(['delta blues']),
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'Blues')
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self.assertEqual(self.plugin._resolve_genres(['iota blues']),
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'Iota Blues')
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def test_whitelist_only(self):
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"""Default whitelist rejects *wrong* (non existing) genres.
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"""
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self._setup_config(whitelist=True)
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self.assertEqual(self.plugin._resolve_genres(['iota blues']),
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'')
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def test_whitelist_c14n(self):
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"""Default whitelist and c14n both activated result in all parents
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genres being selected (from specific to common).
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"""
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self._setup_config(canonical=True, whitelist=True, count=99)
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self.assertEqual(self.plugin._resolve_genres(['delta blues']),
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'Delta Blues, Blues')
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def test_whitelist_custom(self):
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"""Keep only genres that are in the whitelist.
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"""
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self._setup_config(whitelist={'blues', 'rock', 'jazz'},
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count=2)
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self.assertEqual(self.plugin._resolve_genres(['pop', 'blues']),
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'Blues')
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self._setup_config(canonical='', whitelist={'rock'})
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self.assertEqual(self.plugin._resolve_genres(['delta blues']),
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'')
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def test_count(self):
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"""Keep the n first genres, as we expect them to be sorted from more to
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less popular.
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"""
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self._setup_config(whitelist={'blues', 'rock', 'jazz'},
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count=2)
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self.assertEqual(self.plugin._resolve_genres(
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['jazz', 'pop', 'rock', 'blues']),
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'Jazz, Rock')
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def test_count_c14n(self):
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"""Keep the n first genres, after having applied c14n when necessary
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"""
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self._setup_config(whitelist={'blues', 'rock', 'jazz'},
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canonical=True,
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count=2)
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# thanks to c14n, 'blues' superseeds 'country blues' and takes the
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# second slot
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self.assertEqual(self.plugin._resolve_genres(
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['jazz', 'pop', 'country blues', 'rock']),
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'Jazz, Blues')
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def test_c14n_whitelist(self):
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"""Genres first pass through c14n and are then filtered
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"""
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self._setup_config(canonical=True, whitelist={'rock'})
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self.assertEqual(self.plugin._resolve_genres(['delta blues']),
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'')
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def test_empty_string_enables_canonical(self):
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"""For backwards compatibility, setting the `canonical` option
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to the empty string enables it using the default tree.
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"""
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self._setup_config(canonical='', count=99)
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self.assertEqual(self.plugin._resolve_genres(['delta blues']),
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'Blues')
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def test_empty_string_enables_whitelist(self):
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"""Again for backwards compatibility, setting the `whitelist`
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option to the empty string enables the default set of genres.
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"""
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self._setup_config(whitelist='')
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self.assertEqual(self.plugin._resolve_genres(['iota blues']),
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'')
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def test_prefer_specific_loads_tree(self):
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"""When prefer_specific is enabled but canonical is not the
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tree still has to be loaded.
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"""
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self._setup_config(prefer_specific=True, canonical=False)
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self.assertNotEqual(self.plugin.c14n_branches, [])
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def test_prefer_specific_without_canonical(self):
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"""Prefer_specific works without canonical.
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"""
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self._setup_config(prefer_specific=True, canonical=False, count=4)
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self.assertEqual(self.plugin._resolve_genres(
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['math rock', 'post-rock']),
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'Post-Rock, Math Rock')
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def test_no_duplicate(self):
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"""Remove duplicated genres.
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"""
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self._setup_config(count=99)
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self.assertEqual(self.plugin._resolve_genres(['blues', 'blues']),
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'Blues')
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def test_tags_for(self):
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class MockPylastElem:
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def __init__(self, name):
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self.name = name
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def get_name(self):
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return self.name
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class MockPylastObj:
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def get_top_tags(self):
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tag1 = Mock()
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tag1.weight = 90
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tag1.item = MockPylastElem('Pop')
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tag2 = Mock()
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tag2.weight = 40
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tag2.item = MockPylastElem('Rap')
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return [tag1, tag2]
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plugin = lastgenre.LastGenrePlugin()
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res = plugin._tags_for(MockPylastObj())
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self.assertEqual(res, ['pop', 'rap'])
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res = plugin._tags_for(MockPylastObj(), min_weight=50)
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self.assertEqual(res, ['pop'])
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def test_get_genre(self):
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mock_genres = {'track': '1', 'album': '2', 'artist': '3'}
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def mock_fetch_track_genre(self, obj=None):
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return mock_genres['track']
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def mock_fetch_album_genre(self, obj):
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return mock_genres['album']
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def mock_fetch_artist_genre(self, obj):
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return mock_genres['artist']
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lastgenre.LastGenrePlugin.fetch_track_genre = mock_fetch_track_genre
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lastgenre.LastGenrePlugin.fetch_album_genre = mock_fetch_album_genre
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lastgenre.LastGenrePlugin.fetch_artist_genre = mock_fetch_artist_genre
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self._setup_config(whitelist=False)
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item = _common.item()
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item.genre = mock_genres['track']
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config['lastgenre'] = {'force': False}
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res = self.plugin._get_genre(item)
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self.assertEqual(res, (item.genre, 'keep'))
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config['lastgenre'] = {'force': True, 'source': 'track'}
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res = self.plugin._get_genre(item)
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self.assertEqual(res, (mock_genres['track'], 'track'))
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config['lastgenre'] = {'source': 'album'}
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res = self.plugin._get_genre(item)
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self.assertEqual(res, (mock_genres['album'], 'album'))
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config['lastgenre'] = {'source': 'artist'}
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res = self.plugin._get_genre(item)
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self.assertEqual(res, (mock_genres['artist'], 'artist'))
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mock_genres['artist'] = None
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res = self.plugin._get_genre(item)
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self.assertEqual(res, (item.genre, 'original'))
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config['lastgenre'] = {'fallback': 'rap'}
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item.genre = None
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res = self.plugin._get_genre(item)
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self.assertEqual(res, (config['lastgenre']['fallback'].get(),
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'fallback'))
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def test_sort_by_depth(self):
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self._setup_config(canonical=True)
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# Normal case.
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tags = ('electronic', 'ambient', 'post-rock', 'downtempo')
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res = self.plugin._sort_by_depth(tags)
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self.assertEqual(
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res, ['post-rock', 'downtempo', 'ambient', 'electronic'])
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# Non-canonical tag ('chillout') present.
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tags = ('electronic', 'ambient', 'chillout')
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res = self.plugin._sort_by_depth(tags)
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self.assertEqual(res, ['ambient', 'electronic'])
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def suite():
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return unittest.TestLoader().loadTestsFromName(__name__)
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if __name__ == '__main__':
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unittest.main(defaultTest='suite')
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