# SPDX-License-Identifier: GPL-2.0-only # # This file is part of Nominatim. (https://nominatim.org) # # Copyright (C) 2022 by the Nominatim developer community. # For a full list of authors see the git log. """ Tests for converting a config file to ICU rules. """ from textwrap import dedent import pytest import yaml from nominatim.tokenizer.icu_rule_loader import ICURuleLoader from nominatim.errors import UsageError from icu import Transliterator CONFIG_SECTIONS = ('normalization', 'transliteration', 'token-analysis') class TestIcuRuleLoader: @pytest.fixture(autouse=True) def init_env(self, project_env): self.project_env = project_env def write_config(self, content): (self.project_env.project_dir / 'icu_tokenizer.yaml').write_text(dedent(content)) def config_rules(self, *variants): content = dedent("""\ normalization: - ":: NFD ()" - "[[:Nonspacing Mark:] [:Cf:]] >" - ":: lower ()" - "[[:Punctuation:][:Space:]]+ > ' '" - ":: NFC ()" transliteration: - ":: Latin ()" - "[[:Punctuation:][:Space:]]+ > ' '" token-analysis: - analyzer: generic variants: - words: """) content += '\n'.join((" - " + s for s in variants)) + '\n' self.write_config(content) def get_replacements(self, *variants): self.config_rules(*variants) loader = ICURuleLoader(self.project_env) rules = loader.analysis[None].config['replacements'] return sorted((k, sorted(v)) for k,v in rules) def test_empty_rule_set(self): self.write_config("""\ normalization: transliteration: token-analysis: - analyzer: generic variants: """) rules = ICURuleLoader(self.project_env) assert rules.get_search_rules() == '' assert rules.get_normalization_rules() == '' assert rules.get_transliteration_rules() == '' @pytest.mark.parametrize("section", CONFIG_SECTIONS) def test_missing_section(self, section): rule_cfg = { s: [] for s in CONFIG_SECTIONS if s != section} self.write_config(yaml.dump(rule_cfg)) with pytest.raises(UsageError): ICURuleLoader(self.project_env) def test_get_search_rules(self): self.config_rules() loader = ICURuleLoader(self.project_env) rules = loader.get_search_rules() trans = Transliterator.createFromRules("test", rules) assert trans.transliterate(" Baum straße ") == " baum straße " assert trans.transliterate(" Baumstraße ") == " baumstraße " assert trans.transliterate(" Baumstrasse ") == " baumstrasse " assert trans.transliterate(" Baumstr ") == " baumstr " assert trans.transliterate(" Baumwegstr ") == " baumwegstr " assert trans.transliterate(" Αθήνα ") == " athēna " assert trans.transliterate(" проспект ") == " prospekt " def test_get_normalization_rules(self): self.config_rules() loader = ICURuleLoader(self.project_env) rules = loader.get_normalization_rules() trans = Transliterator.createFromRules("test", rules) assert trans.transliterate(" проспект-Prospekt ") == " проспект prospekt " def test_get_transliteration_rules(self): self.config_rules() loader = ICURuleLoader(self.project_env) rules = loader.get_transliteration_rules() trans = Transliterator.createFromRules("test", rules) assert trans.transliterate(" проспект-Prospekt ") == " prospekt Prospekt " def test_transliteration_rules_from_file(self): self.write_config("""\ normalization: transliteration: - "'ax' > 'b'" - !include transliteration.yaml token-analysis: - analyzer: generic variants: """) transpath = self.project_env.project_dir / ('transliteration.yaml') transpath.write_text('- "x > y"') loader = ICURuleLoader(self.project_env) rules = loader.get_transliteration_rules() trans = Transliterator.createFromRules("test", rules) assert trans.transliterate(" axxt ") == " byt " def test_search_rules(self): self.config_rules('~street => s,st', 'master => mstr') proc = ICURuleLoader(self.project_env).make_token_analysis() assert proc.search.transliterate('Master Street').strip() == 'master street' assert proc.search.transliterate('Earnes St').strip() == 'earnes st' assert proc.search.transliterate('Nostreet').strip() == 'nostreet' @pytest.mark.parametrize("variant", ['foo > bar', 'foo -> bar -> bar', '~foo~ -> bar', 'fo~ o -> bar']) def test_invalid_variant_description(self, variant): self.config_rules(variant) with pytest.raises(UsageError): ICURuleLoader(self.project_env) 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 ^'])] def test_add_multiple_suffix(self): repl = self.get_replacements("~berg,~burg -> bg") assert repl == [(' berg ', [' berg', ' bg', 'berg', 'bg']), (' burg ', [' bg', ' burg', 'bg', 'burg']), ('berg ', [' berg', ' bg', 'berg', 'bg']), ('burg ', [' bg', ' burg', 'bg', 'burg'])]