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74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Picard, the next-generation MusicBrainz tagger
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#
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# Copyright (C) 2006 Lukáš Lalinský
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# Copyright (C) 2013, 2018-2019 Laurent Monin
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# Copyright (C) 2018 Wieland Hoffmann
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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from test.picardtestcase import PicardTestCase
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from picard.similarity import (
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similarity,
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similarity2,
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)
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class SimilarityTest(PicardTestCase):
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def test_correct(self):
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self.assertEqual(similarity("K!", "K!"), 1.0)
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self.assertEqual(similarity("BBB", "AAA"), 0.0)
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self.assertAlmostEqual(similarity("ABC", "ABB"), 0.7, 1)
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class Similarity2Test(PicardTestCase):
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def test_1(self):
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a = b = "a b c"
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self.assertEqual(similarity2(a, b), 1.0)
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def test_2(self):
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a = "a b c"
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b = "A,B•C"
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self.assertEqual(similarity2(a, b), 1.0)
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def test_3(self):
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a = "a b c"
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b = ",A, B •C•"
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self.assertEqual(similarity2(a, b), 1.0)
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def test_4(self):
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a = "a b c"
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b = "c a b"
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self.assertEqual(similarity2(a, b), 1.0)
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def test_5(self):
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a = "a b c"
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b = "a b d"
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self.assertAlmostEqual(similarity2(a, b), 0.6, 1)
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def test_6(self):
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a = "a b c"
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b = "a f d"
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self.assertAlmostEqual(similarity2(a, b), 0.3, 1)
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def test_7(self):
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a = "abc"
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b = "def"
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self.assertEqual(similarity2(a, b), 0.0)
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