X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/7cfcbacfc75ab2e39ee7eab6a5cf40e8cbd152f5..57598a048e9124b905572ed8dc4fa9465b5d38a6:/test/python/tokenizer/token_analysis/test_generic.py diff --git a/test/python/tokenizer/token_analysis/test_generic.py b/test/python/tokenizer/token_analysis/test_generic.py index f0ce4208..191f551f 100644 --- a/test/python/tokenizer/token_analysis/test_generic.py +++ b/test/python/tokenizer/token_analysis/test_generic.py @@ -1,52 +1,60 @@ +# SPDX-License-Identifier: GPL-3.0-or-later +# +# This file is part of Nominatim. (https://nominatim.org) +# +# Copyright (C) 2024 by the Nominatim developer community. +# For a full list of authors see the git log. """ Tests for import name normalisation and variant generation. """ -from textwrap import dedent - import pytest -from nominatim.tokenizer.icu_rule_loader import ICURuleLoader +from icu import Transliterator -from nominatim.errors import UsageError +import nominatim_db.tokenizer.token_analysis.generic as module +from nominatim_db.errors import UsageError -@pytest.fixture -def cfgfile(def_config, tmp_path): - project_dir = tmp_path / 'project_dir' - project_dir.mkdir() - def_config.project_dir = project_dir +DEFAULT_NORMALIZATION = """ :: NFD (); + '🜳' > ' '; + [[:Nonspacing Mark:] [:Cf:]] >; + :: lower (); + [[:Punctuation:][:Space:]]+ > ' '; + :: NFC (); + """ - def _create_config(*variants, **kwargs): - content = dedent("""\ - normalization: - - ":: NFD ()" - - "'🜳' > ' '" - - "[[:Nonspacing Mark:] [:Cf:]] >" - - ":: lower ()" - - "[[:Punctuation:][:Space:]]+ > ' '" - - ":: NFC ()" - transliteration: - - ":: Latin ()" - - "'🜵' > ' '" - """) - content += "token-analysis:\n - analyzer: generic\n variants:\n - words:\n" - content += '\n'.join((" - " + s for s in variants)) + '\n' - for k, v in kwargs: - content += " {}: {}\n".format(k, v) - (project_dir / 'icu_tokenizer.yaml').write_text(content) +DEFAULT_TRANSLITERATION = """ :: Latin (); + '🜵' > ' '; + """ - return def_config +def make_analyser(*variants, variant_only=False): + rules = { 'analyzer': 'generic', 'variants': [{'words': variants}]} + if variant_only: + rules['mode'] = 'variant-only' + trans = Transliterator.createFromRules("test_trans", DEFAULT_TRANSLITERATION) + norm = Transliterator.createFromRules("test_norm", DEFAULT_NORMALIZATION) + config = module.configure(rules, norm, trans) - return _create_config + return module.create(norm, trans, config) def get_normalized_variants(proc, name): - return proc.get_variants_ascii(proc.get_normalized(name)) + norm = Transliterator.createFromRules("test_norm", DEFAULT_NORMALIZATION) + return proc.compute_variants(norm.transliterate(name).strip()) + + +def test_no_variants(): + rules = { 'analyzer': 'generic' } + trans = Transliterator.createFromRules("test_trans", DEFAULT_TRANSLITERATION) + norm = Transliterator.createFromRules("test_norm", DEFAULT_NORMALIZATION) + config = module.configure(rules, norm, trans) + proc = module.create(norm, trans, config) -def test_variants_empty(cfgfile): - config = cfgfile('saint -> 🜵', 'street -> st') + assert get_normalized_variants(proc, '大德!') == ['dà dé'] - proc = ICURuleLoader(config).make_token_analysis() + +def test_variants_empty(): + proc = make_analyser('saint -> 🜵', 'street -> st') assert get_normalized_variants(proc, '🜵') == [] assert get_normalized_variants(proc, '🜳') == [] @@ -85,9 +93,8 @@ VARIANT_TESTS = [ ] @pytest.mark.parametrize("rules,name,variants", VARIANT_TESTS) -def test_variants(cfgfile, rules, name, variants): - config = cfgfile(*rules) - proc = ICURuleLoader(config).make_token_analysis() +def test_variants(rules, name, variants): + proc = make_analyser(*rules) result = get_normalized_variants(proc, name) @@ -95,10 +102,174 @@ def test_variants(cfgfile, rules, name, variants): assert set(get_normalized_variants(proc, name)) == variants -def test_search_normalized(cfgfile): - config = cfgfile('~street => s,st', 'master => mstr') - proc = ICURuleLoader(config).make_token_analysis() +VARIANT_ONLY_TESTS = [ +(('weg => wg',), "hallo", set()), +(('weg => wg',), "Meier Weg", {'meier wg'}), +(('weg -> wg',), "Meier Weg", {'meier wg'}), +] + +@pytest.mark.parametrize("rules,name,variants", VARIANT_ONLY_TESTS) +def test_variants_only(rules, name, variants): + proc = make_analyser(*rules, variant_only=True) + + result = get_normalized_variants(proc, name) + + assert len(result) == len(set(result)) + assert set(get_normalized_variants(proc, name)) == variants + + +class TestGetReplacements: + + @staticmethod + def configure_rules(*variants): + rules = { 'analyzer': 'generic', 'variants': [{'words': variants}]} + trans = Transliterator.createFromRules("test_trans", DEFAULT_TRANSLITERATION) + norm = Transliterator.createFromRules("test_norm", DEFAULT_NORMALIZATION) + return module.configure(rules, norm, trans) + + + def get_replacements(self, *variants): + config = self.configure_rules(*variants) + + return sorted((k, sorted(v)) for k,v in config['replacements']) + + + @pytest.mark.parametrize("variant", ['foo > bar', 'foo -> bar -> bar', + '~foo~ -> bar', 'fo~ o -> bar']) + def test_invalid_variant_description(self, variant): + with pytest.raises(UsageError): + self.configure_rules(variant) + + + @pytest.mark.parametrize("rule", ["!!! -> bar", "bar => !!!"]) + def test_ignore_unnormalizable_terms(self, rule): + repl = self.get_replacements(rule) + + assert repl == [] + + + def test_add_full(self): + repl = self.get_replacements("foo -> bar") + + assert repl == [(' foo ', [' bar', ' foo'])] + + + def test_replace_full(self): + repl = self.get_replacements("foo => bar") + + assert repl == [(' foo ', [' bar'])] + + + def test_add_suffix_no_decompose(self): + repl = self.get_replacements("~berg |-> bg") + + assert repl == [(' berg ', [' berg', ' bg']), + ('berg ', ['berg', 'bg'])] + + + def test_replace_suffix_no_decompose(self): + repl = self.get_replacements("~berg |=> bg") + + assert repl == [(' berg ', [' bg']),('berg ', ['bg'])] + + + def test_add_suffix_decompose(self): + repl = self.get_replacements("~berg -> bg") + + assert repl == [(' berg ', [' berg', ' bg', 'berg', 'bg']), + ('berg ', [' berg', ' bg', 'berg', 'bg'])] + + + def test_replace_suffix_decompose(self): + repl = self.get_replacements("~berg => bg") + + assert repl == [(' berg ', [' bg', 'bg']), + ('berg ', [' bg', 'bg'])] + + + def test_add_prefix_no_compose(self): + repl = self.get_replacements("hinter~ |-> hnt") + + assert repl == [(' hinter', [' hinter', ' hnt']), + (' hinter ', [' hinter', ' hnt'])] + + + def test_replace_prefix_no_compose(self): + repl = self.get_replacements("hinter~ |=> hnt") + + assert repl == [(' hinter', [' hnt']), (' hinter ', [' hnt'])] + + + def test_add_prefix_compose(self): + repl = self.get_replacements("hinter~-> h") + + assert repl == [(' hinter', [' h', ' h ', ' hinter', ' hinter ']), + (' hinter ', [' h', ' h', ' hinter', ' hinter'])] + + + def test_replace_prefix_compose(self): + repl = self.get_replacements("hinter~=> h") + + assert repl == [(' hinter', [' h', ' h ']), + (' hinter ', [' h', ' h'])] + + + def test_add_beginning_only(self): + repl = self.get_replacements("^Premier -> Pr") + + assert repl == [('^ premier ', ['^ pr', '^ premier'])] + + + def test_replace_beginning_only(self): + repl = self.get_replacements("^Premier => Pr") + + assert repl == [('^ premier ', ['^ pr'])] + + + def test_add_final_only(self): + repl = self.get_replacements("road$ -> rd") + + assert repl == [(' road ^', [' rd ^', ' road ^'])] + + + def test_replace_final_only(self): + repl = self.get_replacements("road$ => rd") + + assert repl == [(' road ^', [' rd ^'])] + + + def test_decompose_only(self): + repl = self.get_replacements("~foo -> foo") + + assert repl == [(' foo ', [' foo', 'foo']), + ('foo ', [' foo', 'foo'])] + + + def test_add_suffix_decompose_end_only(self): + repl = self.get_replacements("~berg |-> bg", "~berg$ -> bg") + + assert repl == [(' berg ', [' berg', ' bg']), + (' berg ^', [' berg ^', ' bg ^', 'berg ^', 'bg ^']), + ('berg ', ['berg', 'bg']), + ('berg ^', [' berg ^', ' bg ^', 'berg ^', 'bg ^'])] + + + def test_replace_suffix_decompose_end_only(self): + repl = self.get_replacements("~berg |=> bg", "~berg$ => bg") + + assert repl == [(' berg ', [' bg']), + (' berg ^', [' bg ^', 'bg ^']), + ('berg ', ['bg']), + ('berg ^', [' bg ^', 'bg ^'])] + + + @pytest.mark.parametrize('rule', ["~berg,~burg -> bg", + "~berg, ~burg -> bg", + "~berg,,~burg -> bg"]) + def test_add_multiple_suffix(self, rule): + repl = self.get_replacements(rule) - assert proc.get_search_normalized('Master Street') == 'master street' - assert proc.get_search_normalized('Earnes St') == 'earnes st' - assert proc.get_search_normalized('Nostreet') == 'nostreet' + assert repl == [(' berg ', [' berg', ' bg', 'berg', 'bg']), + (' burg ', [' bg', ' burg', 'bg', 'burg']), + ('berg ', [' berg', ' bg', 'berg', 'bg']), + ('burg ', [' bg', ' burg', 'bg', 'burg'])]