How to use _make_item method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

test_autotag.py

Source:test_autotag.py

...79                 for i in range(5)]80        likelies, _ = match.current_metadata(items)81        for f in fields:82            self.assertEqual(likelies[f], '%s_1' % f)83def _make_item(title, track, artist=u'some artist'):84    return Item(title=title, track=track,85                artist=artist, album=u'some album',86                length=1,87                mb_trackid='', mb_albumid='', mb_artistid='')88def _make_trackinfo():89    return [90        TrackInfo(u'one', None, u'some artist', length=1, index=1),91        TrackInfo(u'two', None, u'some artist', length=1, index=2),92        TrackInfo(u'three', None, u'some artist', length=1, index=3),93    ]94def _clear_weights():95    """Hack around the lazy descriptor used to cache weights for96    Distance calculations.97    """98    Distance.__dict__['_weights'].computed = False99class DistanceTest(_common.TestCase):100    def tearDown(self):101        super(DistanceTest, self).tearDown()102        _clear_weights()103    def test_add(self):104        dist = Distance()105        dist.add('add', 1.0)106        self.assertEqual(dist._penalties, {'add': [1.0]})107    def test_add_equality(self):108        dist = Distance()109        dist.add_equality('equality', 'ghi', ['abc', 'def', 'ghi'])110        self.assertEqual(dist._penalties['equality'], [0.0])111        dist.add_equality('equality', 'xyz', ['abc', 'def', 'ghi'])112        self.assertEqual(dist._penalties['equality'], [0.0, 1.0])113        dist.add_equality('equality', 'abc', re.compile(r'ABC', re.I))114        self.assertEqual(dist._penalties['equality'], [0.0, 1.0, 0.0])115    def test_add_expr(self):116        dist = Distance()117        dist.add_expr('expr', True)118        self.assertEqual(dist._penalties['expr'], [1.0])119        dist.add_expr('expr', False)120        self.assertEqual(dist._penalties['expr'], [1.0, 0.0])121    def test_add_number(self):122        dist = Distance()123        # Add a full penalty for each number of difference between two numbers.124        dist.add_number('number', 1, 1)125        self.assertEqual(dist._penalties['number'], [0.0])126        dist.add_number('number', 1, 2)127        self.assertEqual(dist._penalties['number'], [0.0, 1.0])128        dist.add_number('number', 2, 1)129        self.assertEqual(dist._penalties['number'], [0.0, 1.0, 1.0])130        dist.add_number('number', -1, 2)131        self.assertEqual(dist._penalties['number'], [0.0, 1.0, 1.0, 1.0,132                                                     1.0, 1.0])133    def test_add_priority(self):134        dist = Distance()135        dist.add_priority('priority', 'abc', 'abc')136        self.assertEqual(dist._penalties['priority'], [0.0])137        dist.add_priority('priority', 'def', ['abc', 'def'])138        self.assertEqual(dist._penalties['priority'], [0.0, 0.5])139        dist.add_priority('priority', 'gh', ['ab', 'cd', 'ef',140                                             re.compile('GH', re.I)])141        self.assertEqual(dist._penalties['priority'], [0.0, 0.5, 0.75])142        dist.add_priority('priority', 'xyz', ['abc', 'def'])143        self.assertEqual(dist._penalties['priority'], [0.0, 0.5, 0.75,144                                                       1.0])145    def test_add_ratio(self):146        dist = Distance()147        dist.add_ratio('ratio', 25, 100)148        self.assertEqual(dist._penalties['ratio'], [0.25])149        dist.add_ratio('ratio', 10, 5)150        self.assertEqual(dist._penalties['ratio'], [0.25, 1.0])151        dist.add_ratio('ratio', -5, 5)152        self.assertEqual(dist._penalties['ratio'], [0.25, 1.0, 0.0])153        dist.add_ratio('ratio', 5, 0)154        self.assertEqual(dist._penalties['ratio'], [0.25, 1.0, 0.0, 0.0])155    def test_add_string(self):156        dist = Distance()157        sdist = string_dist(u'abc', u'bcd')158        dist.add_string('string', u'abc', u'bcd')159        self.assertEqual(dist._penalties['string'], [sdist])160        self.assertNotEqual(dist._penalties['string'], [0])161    def test_add_string_none(self):162        dist = Distance()163        dist.add_string('string', None, 'string')164        self.assertEqual(dist._penalties['string'], [1])165    def test_add_string_both_none(self):166        dist = Distance()167        dist.add_string('string', None, None)168        self.assertEqual(dist._penalties['string'], [0])169    def test_distance(self):170        config['match']['distance_weights']['album'] = 2.0171        config['match']['distance_weights']['medium'] = 1.0172        _clear_weights()173        dist = Distance()174        dist.add('album', 0.5)175        dist.add('media', 0.25)176        dist.add('media', 0.75)177        self.assertEqual(dist.distance, 0.5)178        # __getitem__()179        self.assertEqual(dist['album'], 0.25)180        self.assertEqual(dist['media'], 0.25)181    def test_max_distance(self):182        config['match']['distance_weights']['album'] = 3.0183        config['match']['distance_weights']['medium'] = 1.0184        _clear_weights()185        dist = Distance()186        dist.add('album', 0.5)187        dist.add('medium', 0.0)188        dist.add('medium', 0.0)189        self.assertEqual(dist.max_distance, 5.0)190    def test_operators(self):191        config['match']['distance_weights']['source'] = 1.0192        config['match']['distance_weights']['album'] = 2.0193        config['match']['distance_weights']['medium'] = 1.0194        _clear_weights()195        dist = Distance()196        dist.add('source', 0.0)197        dist.add('album', 0.5)198        dist.add('medium', 0.25)199        dist.add('medium', 0.75)200        self.assertEqual(len(dist), 2)201        self.assertEqual(list(dist), [('album', 0.2), ('medium', 0.2)])202        self.assertTrue(dist == 0.4)203        self.assertTrue(dist < 1.0)204        self.assertTrue(dist > 0.0)205        self.assertEqual(dist - 0.4, 0.0)206        self.assertEqual(0.4 - dist, 0.0)207        self.assertEqual(float(dist), 0.4)208    def test_raw_distance(self):209        config['match']['distance_weights']['album'] = 3.0210        config['match']['distance_weights']['medium'] = 1.0211        _clear_weights()212        dist = Distance()213        dist.add('album', 0.5)214        dist.add('medium', 0.25)215        dist.add('medium', 0.5)216        self.assertEqual(dist.raw_distance, 2.25)217    def test_items(self):218        config['match']['distance_weights']['album'] = 4.0219        config['match']['distance_weights']['medium'] = 2.0220        _clear_weights()221        dist = Distance()222        dist.add('album', 0.1875)223        dist.add('medium', 0.75)224        self.assertEqual(dist.items(), [('medium', 0.25), ('album', 0.125)])225        # Sort by key if distance is equal.226        dist = Distance()227        dist.add('album', 0.375)228        dist.add('medium', 0.75)229        self.assertEqual(dist.items(), [('album', 0.25), ('medium', 0.25)])230    def test_update(self):231        dist1 = Distance()232        dist1.add('album', 0.5)233        dist1.add('media', 1.0)234        dist2 = Distance()235        dist2.add('album', 0.75)236        dist2.add('album', 0.25)237        dist2.add('media', 0.05)238        dist1.update(dist2)239        self.assertEqual(dist1._penalties, {'album': [0.5, 0.75, 0.25],240                                            'media': [1.0, 0.05]})241class TrackDistanceTest(_common.TestCase):242    def test_identical_tracks(self):243        item = _make_item(u'one', 1)244        info = _make_trackinfo()[0]245        dist = match.track_distance(item, info, incl_artist=True)246        self.assertEqual(dist, 0.0)247    def test_different_title(self):248        item = _make_item(u'foo', 1)249        info = _make_trackinfo()[0]250        dist = match.track_distance(item, info, incl_artist=True)251        self.assertNotEqual(dist, 0.0)252    def test_different_artist(self):253        item = _make_item(u'one', 1)254        item.artist = u'foo'255        info = _make_trackinfo()[0]256        dist = match.track_distance(item, info, incl_artist=True)257        self.assertNotEqual(dist, 0.0)258    def test_various_artists_tolerated(self):259        item = _make_item(u'one', 1)260        item.artist = u'Various Artists'261        info = _make_trackinfo()[0]262        dist = match.track_distance(item, info, incl_artist=True)263        self.assertEqual(dist, 0.0)264class AlbumDistanceTest(_common.TestCase):265    def _mapping(self, items, info):266        out = {}267        for i, t in zip(items, info.tracks):268            out[i] = t269        return out270    def _dist(self, items, info):271        return match.distance(items, info, self._mapping(items, info))272    def test_identical_albums(self):273        items = []274        items.append(_make_item(u'one', 1))275        items.append(_make_item(u'two', 2))276        items.append(_make_item(u'three', 3))277        info = AlbumInfo(278            artist=u'some artist',279            album=u'some album',280            tracks=_make_trackinfo(),281            va=False,282            album_id=None,283            artist_id=None,284        )285        self.assertEqual(self._dist(items, info), 0)286    def test_incomplete_album(self):287        items = []288        items.append(_make_item(u'one', 1))289        items.append(_make_item(u'three', 3))290        info = AlbumInfo(291            artist=u'some artist',292            album=u'some album',293            tracks=_make_trackinfo(),294            va=False,295            album_id=None,296            artist_id=None,297        )298        dist = self._dist(items, info)299        self.assertNotEqual(dist, 0)300        # Make sure the distance is not too great301        self.assertTrue(dist < 0.2)302    def test_global_artists_differ(self):303        items = []304        items.append(_make_item(u'one', 1))305        items.append(_make_item(u'two', 2))306        items.append(_make_item(u'three', 3))307        info = AlbumInfo(308            artist=u'someone else',309            album=u'some album',310            tracks=_make_trackinfo(),311            va=False,312            album_id=None,313            artist_id=None,314        )315        self.assertNotEqual(self._dist(items, info), 0)316    def test_comp_track_artists_match(self):317        items = []318        items.append(_make_item(u'one', 1))319        items.append(_make_item(u'two', 2))320        items.append(_make_item(u'three', 3))321        info = AlbumInfo(322            artist=u'should be ignored',323            album=u'some album',324            tracks=_make_trackinfo(),325            va=True,326            album_id=None,327            artist_id=None,328        )329        self.assertEqual(self._dist(items, info), 0)330    def test_comp_no_track_artists(self):331        # Some VA releases don't have track artists (incomplete metadata).332        items = []333        items.append(_make_item(u'one', 1))334        items.append(_make_item(u'two', 2))335        items.append(_make_item(u'three', 3))336        info = AlbumInfo(337            artist=u'should be ignored',338            album=u'some album',339            tracks=_make_trackinfo(),340            va=True,341            album_id=None,342            artist_id=None,343        )344        info.tracks[0].artist = None345        info.tracks[1].artist = None346        info.tracks[2].artist = None347        self.assertEqual(self._dist(items, info), 0)348    def test_comp_track_artists_do_not_match(self):349        items = []350        items.append(_make_item(u'one', 1))351        items.append(_make_item(u'two', 2, u'someone else'))352        items.append(_make_item(u'three', 3))353        info = AlbumInfo(354            artist=u'some artist',355            album=u'some album',356            tracks=_make_trackinfo(),357            va=True,358            album_id=None,359            artist_id=None,360        )361        self.assertNotEqual(self._dist(items, info), 0)362    def test_tracks_out_of_order(self):363        items = []364        items.append(_make_item(u'one', 1))365        items.append(_make_item(u'three', 2))366        items.append(_make_item(u'two', 3))367        info = AlbumInfo(368            artist=u'some artist',369            album=u'some album',370            tracks=_make_trackinfo(),371            va=False,372            album_id=None,373            artist_id=None,374        )375        dist = self._dist(items, info)376        self.assertTrue(0 < dist < 0.2)377    def test_two_medium_release(self):378        items = []379        items.append(_make_item(u'one', 1))380        items.append(_make_item(u'two', 2))381        items.append(_make_item(u'three', 3))382        info = AlbumInfo(383            artist=u'some artist',384            album=u'some album',385            tracks=_make_trackinfo(),386            va=False,387            album_id=None,388            artist_id=None,389        )390        info.tracks[0].medium_index = 1391        info.tracks[1].medium_index = 2392        info.tracks[2].medium_index = 1393        dist = self._dist(items, info)394        self.assertEqual(dist, 0)395    def test_per_medium_track_numbers(self):396        items = []397        items.append(_make_item(u'one', 1))398        items.append(_make_item(u'two', 2))399        items.append(_make_item(u'three', 1))400        info = AlbumInfo(401            artist=u'some artist',402            album=u'some album',403            tracks=_make_trackinfo(),404            va=False,405            album_id=None,406            artist_id=None,407        )408        info.tracks[0].medium_index = 1409        info.tracks[1].medium_index = 2410        info.tracks[2].medium_index = 1411        dist = self._dist(items, info)412        self.assertEqual(dist, 0)413class AssignmentTest(unittest.TestCase):...

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