mirror of
https://github.com/osm-search/Nominatim.git
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7cfcbacfc7
Adds a mandatory section 'analyzer' to the token-analysis entries which define, which analyser to use. Currently there is exactly one, generic, which implements the former ICUNameProcessor.
275 lines
8.9 KiB
Python
275 lines
8.9 KiB
Python
"""
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Tests for converting a config file to ICU rules.
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"""
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from textwrap import dedent
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import pytest
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import yaml
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from nominatim.tokenizer.icu_rule_loader import ICURuleLoader
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from nominatim.errors import UsageError
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from icu import Transliterator
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@pytest.fixture
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def test_config(def_config, tmp_path):
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project_dir = tmp_path / 'project_dir'
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project_dir.mkdir()
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def_config.project_dir = project_dir
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return def_config
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@pytest.fixture
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def cfgrules(test_config):
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def _create_config(*variants, **kwargs):
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content = dedent("""\
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normalization:
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- ":: NFD ()"
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- "[[:Nonspacing Mark:] [:Cf:]] >"
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- ":: lower ()"
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- "[[:Punctuation:][:Space:]]+ > ' '"
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- ":: NFC ()"
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transliteration:
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- ":: Latin ()"
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- "[[:Punctuation:][:Space:]]+ > ' '"
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""")
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content += "token-analysis:\n - analyzer: generic\n variants:\n - words:\n"
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content += '\n'.join((" - " + s for s in variants)) + '\n'
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for k, v in kwargs:
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content += " {}: {}\n".format(k, v)
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(test_config.project_dir / 'icu_tokenizer.yaml').write_text(content)
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return test_config
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return _create_config
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def test_empty_rule_set(test_config):
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(test_config.project_dir / 'icu_tokenizer.yaml').write_text(dedent("""\
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normalization:
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transliteration:
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token-analysis:
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- analyzer: generic
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variants:
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"""))
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rules = ICURuleLoader(test_config)
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assert rules.get_search_rules() == ''
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assert rules.get_normalization_rules() == ''
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assert rules.get_transliteration_rules() == ''
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CONFIG_SECTIONS = ('normalization', 'transliteration', 'token-analysis')
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@pytest.mark.parametrize("section", CONFIG_SECTIONS)
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def test_missing_section(section, test_config):
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rule_cfg = { s: [] for s in CONFIG_SECTIONS if s != section}
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(test_config.project_dir / 'icu_tokenizer.yaml').write_text(yaml.dump(rule_cfg))
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with pytest.raises(UsageError):
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ICURuleLoader(test_config)
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def test_get_search_rules(cfgrules):
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loader = ICURuleLoader(cfgrules())
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rules = loader.get_search_rules()
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trans = Transliterator.createFromRules("test", rules)
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assert trans.transliterate(" Baum straße ") == " baum straße "
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assert trans.transliterate(" Baumstraße ") == " baumstraße "
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assert trans.transliterate(" Baumstrasse ") == " baumstrasse "
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assert trans.transliterate(" Baumstr ") == " baumstr "
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assert trans.transliterate(" Baumwegstr ") == " baumwegstr "
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assert trans.transliterate(" Αθήνα ") == " athēna "
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assert trans.transliterate(" проспект ") == " prospekt "
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def test_get_normalization_rules(cfgrules):
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loader = ICURuleLoader(cfgrules())
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rules = loader.get_normalization_rules()
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trans = Transliterator.createFromRules("test", rules)
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assert trans.transliterate(" проспект-Prospekt ") == " проспект prospekt "
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def test_get_transliteration_rules(cfgrules):
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loader = ICURuleLoader(cfgrules())
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rules = loader.get_transliteration_rules()
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trans = Transliterator.createFromRules("test", rules)
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assert trans.transliterate(" проспект-Prospekt ") == " prospekt Prospekt "
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def test_transliteration_rules_from_file(test_config):
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cfgpath = test_config.project_dir / ('icu_tokenizer.yaml')
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cfgpath.write_text(dedent("""\
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normalization:
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transliteration:
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- "'ax' > 'b'"
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- !include transliteration.yaml
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token-analysis:
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- analyzer: generic
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variants:
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"""))
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transpath = test_config.project_dir / ('transliteration.yaml')
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transpath.write_text('- "x > y"')
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loader = ICURuleLoader(test_config)
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rules = loader.get_transliteration_rules()
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trans = Transliterator.createFromRules("test", rules)
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assert trans.transliterate(" axxt ") == " byt "
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class TestGetReplacements:
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@pytest.fixture(autouse=True)
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def setup_cfg(self, cfgrules):
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self.cfgrules = cfgrules
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def get_replacements(self, *variants):
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loader = ICURuleLoader(self.cfgrules(*variants))
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rules = loader.analysis[None].config['variants']
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return set((v.source, v.replacement) for v in rules)
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@pytest.mark.parametrize("variant", ['foo > bar', 'foo -> bar -> bar',
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'~foo~ -> bar', 'fo~ o -> bar'])
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def test_invalid_variant_description(self, variant):
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with pytest.raises(UsageError):
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ICURuleLoader(self.cfgrules(variant))
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def test_add_full(self):
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repl = self.get_replacements("foo -> bar")
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assert repl == {(' foo ', ' bar '), (' foo ', ' foo ')}
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def test_replace_full(self):
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repl = self.get_replacements("foo => bar")
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assert repl == {(' foo ', ' bar ')}
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def test_add_suffix_no_decompose(self):
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repl = self.get_replacements("~berg |-> bg")
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assert repl == {('berg ', 'berg '), ('berg ', 'bg '),
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(' berg ', ' berg '), (' berg ', ' bg ')}
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def test_replace_suffix_no_decompose(self):
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repl = self.get_replacements("~berg |=> bg")
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assert repl == {('berg ', 'bg '), (' berg ', ' bg ')}
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def test_add_suffix_decompose(self):
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repl = self.get_replacements("~berg -> bg")
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assert repl == {('berg ', 'berg '), ('berg ', ' berg '),
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(' berg ', ' berg '), (' berg ', 'berg '),
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('berg ', 'bg '), ('berg ', ' bg '),
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(' berg ', 'bg '), (' berg ', ' bg ')}
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def test_replace_suffix_decompose(self):
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repl = self.get_replacements("~berg => bg")
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assert repl == {('berg ', 'bg '), ('berg ', ' bg '),
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(' berg ', 'bg '), (' berg ', ' bg ')}
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def test_add_prefix_no_compose(self):
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repl = self.get_replacements("hinter~ |-> hnt")
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assert repl == {(' hinter', ' hinter'), (' hinter ', ' hinter '),
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(' hinter', ' hnt'), (' hinter ', ' hnt ')}
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def test_replace_prefix_no_compose(self):
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repl = self.get_replacements("hinter~ |=> hnt")
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assert repl == {(' hinter', ' hnt'), (' hinter ', ' hnt ')}
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def test_add_prefix_compose(self):
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repl = self.get_replacements("hinter~-> h")
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assert repl == {(' hinter', ' hinter'), (' hinter', ' hinter '),
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(' hinter', ' h'), (' hinter', ' h '),
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(' hinter ', ' hinter '), (' hinter ', ' hinter'),
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(' hinter ', ' h '), (' hinter ', ' h')}
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def test_replace_prefix_compose(self):
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repl = self.get_replacements("hinter~=> h")
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assert repl == {(' hinter', ' h'), (' hinter', ' h '),
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(' hinter ', ' h '), (' hinter ', ' h')}
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def test_add_beginning_only(self):
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repl = self.get_replacements("^Premier -> Pr")
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assert repl == {('^ premier ', '^ premier '), ('^ premier ', '^ pr ')}
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def test_replace_beginning_only(self):
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repl = self.get_replacements("^Premier => Pr")
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assert repl == {('^ premier ', '^ pr ')}
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def test_add_final_only(self):
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repl = self.get_replacements("road$ -> rd")
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assert repl == {(' road ^', ' road ^'), (' road ^', ' rd ^')}
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def test_replace_final_only(self):
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repl = self.get_replacements("road$ => rd")
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assert repl == {(' road ^', ' rd ^')}
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def test_decompose_only(self):
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repl = self.get_replacements("~foo -> foo")
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assert repl == {('foo ', 'foo '), ('foo ', ' foo '),
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(' foo ', 'foo '), (' foo ', ' foo ')}
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def test_add_suffix_decompose_end_only(self):
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repl = self.get_replacements("~berg |-> bg", "~berg$ -> bg")
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assert repl == {('berg ', 'berg '), ('berg ', 'bg '),
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(' berg ', ' berg '), (' berg ', ' bg '),
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('berg ^', 'berg ^'), ('berg ^', ' berg ^'),
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('berg ^', 'bg ^'), ('berg ^', ' bg ^'),
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(' berg ^', 'berg ^'), (' berg ^', 'bg ^'),
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(' berg ^', ' berg ^'), (' berg ^', ' bg ^')}
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def test_replace_suffix_decompose_end_only(self):
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repl = self.get_replacements("~berg |=> bg", "~berg$ => bg")
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assert repl == {('berg ', 'bg '), (' berg ', ' bg '),
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('berg ^', 'bg ^'), ('berg ^', ' bg ^'),
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(' berg ^', 'bg ^'), (' berg ^', ' bg ^')}
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def test_add_multiple_suffix(self):
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repl = self.get_replacements("~berg,~burg -> bg")
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assert repl == {('berg ', 'berg '), ('berg ', ' berg '),
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(' berg ', ' berg '), (' berg ', 'berg '),
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('berg ', 'bg '), ('berg ', ' bg '),
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(' berg ', 'bg '), (' berg ', ' bg '),
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('burg ', 'burg '), ('burg ', ' burg '),
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(' burg ', ' burg '), (' burg ', 'burg '),
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('burg ', 'bg '), ('burg ', ' bg '),
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(' burg ', 'bg '), (' burg ', ' bg ')}
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