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c8873d34af
The configure() function now receives a Transliterator object instead of the ICU rules. This harmonizes the parameters with the create function.
91 lines
2.9 KiB
Python
91 lines
2.9 KiB
Python
# SPDX-License-Identifier: GPL-2.0-only
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2022 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Tests for generic token analysis, mutation part.
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"""
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import pytest
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from icu import Transliterator
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import nominatim.tokenizer.token_analysis.generic as module
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from nominatim.errors import UsageError
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DEFAULT_NORMALIZATION = """ '🜳' > ' ';
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[[:Nonspacing Mark:] [:Cf:]] >;
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:: lower ();
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[[:Punctuation:][:Space:]]+ > ' '
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"""
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DEFAULT_TRANSLITERATION = """ :: Latin ();
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'🜵' > ' ';
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"""
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class TestMutationNoVariants:
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def make_analyser(self, *mutations):
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rules = { 'analyzer': 'generic',
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'mutations': [ {'pattern': m[0], 'replacements': m[1]}
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for m in mutations]
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}
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trans = Transliterator.createFromRules("test_trans", DEFAULT_TRANSLITERATION)
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norm = Transliterator.createFromRules("test_norm", DEFAULT_NORMALIZATION)
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config = module.configure(rules, norm, trans)
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self.analysis = module.create(norm, trans, config)
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def variants(self, name):
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norm = Transliterator.createFromRules("test_norm", DEFAULT_NORMALIZATION)
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return set(self.analysis.get_variants_ascii(norm.transliterate(name).strip()))
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@pytest.mark.parametrize('pattern', ('(capture)', ['a list']))
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def test_bad_pattern(self, pattern):
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with pytest.raises(UsageError):
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self.make_analyser((pattern, ['b']))
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@pytest.mark.parametrize('replacements', (None, 'a string'))
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def test_bad_replacement(self, replacements):
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with pytest.raises(UsageError):
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self.make_analyser(('a', replacements))
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def test_simple_replacement(self):
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self.make_analyser(('a', ['b']))
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assert self.variants('none') == {'none'}
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assert self.variants('abba') == {'bbbb'}
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assert self.variants('2 aar') == {'2 bbr'}
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def test_multichar_replacement(self):
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self.make_analyser(('1 1', ['1 1 1']))
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assert self.variants('1 1456') == {'1 1 1456'}
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assert self.variants('1 1 1') == {'1 1 1 1'}
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def test_removement_replacement(self):
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self.make_analyser((' ', [' ', '']))
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assert self.variants('A 345') == {'a 345', 'a345'}
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assert self.variants('a g b') == {'a g b', 'ag b', 'a gb', 'agb'}
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def test_regex_pattern(self):
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self.make_analyser(('[^a-z]+', ['XXX', ' ']))
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assert self.variants('a-34n12') == {'aXXXnXXX', 'aXXXn', 'a nXXX', 'a n'}
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def test_multiple_mutations(self):
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self.make_analyser(('ä', ['ä', 'ae']), ('ö', ['ö', 'oe']))
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assert self.variants('Längenöhr') == {'längenöhr', 'laengenöhr',
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'längenoehr', 'laengenoehr'}
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