Nominatim/test/python/test_tokenizer_icu_name_processor.py
Sarah Hoffmann 1c42780bb5 introduce generic YAML config loader
Adds a function to the Configuration class to load a YAML
file. This means that searching for the file is generalised
and works the same now for all configuration files. Changes
the search logic, so that it is always possible to have a
custom version of the configuration file in the project
directory.

Move ICU tokenizer to use new load function.
2021-09-03 18:20:07 +02:00

104 lines
3.9 KiB
Python

"""
Tests for import name normalisation and variant generation.
"""
from textwrap import dedent
import pytest
import yaml
from nominatim.tokenizer.icu_rule_loader import ICURuleLoader
from nominatim.tokenizer.icu_name_processor import ICUNameProcessor, ICUNameProcessorRules
from nominatim.errors import UsageError
@pytest.fixture
def cfgfile():
def _create_config(*variants, **kwargs):
content = dedent("""\
normalization:
- ":: NFD ()"
- "'🜳' > ' '"
- "[[:Nonspacing Mark:] [:Cf:]] >"
- ":: lower ()"
- "[[:Punctuation:][:Space:]]+ > ' '"
- ":: NFC ()"
transliteration:
- ":: Latin ()"
- "'🜵' > ' '"
""")
content += "variants:\n - words:\n"
content += '\n'.join((" - " + s for s in variants)) + '\n'
for k, v in kwargs:
content += " {}: {}\n".format(k, v)
return yaml.safe_load(content)
return _create_config
def get_normalized_variants(proc, name):
return proc.get_variants_ascii(proc.get_normalized(name))
def test_variants_empty(cfgfile):
fpath = cfgfile('saint -> 🜵', 'street -> st')
rules = ICUNameProcessorRules(loader=ICURuleLoader(fpath))
proc = ICUNameProcessor(rules)
assert get_normalized_variants(proc, '🜵') == []
assert get_normalized_variants(proc, '🜳') == []
assert get_normalized_variants(proc, 'saint') == ['saint']
VARIANT_TESTS = [
(('~strasse,~straße -> str', '~weg => weg'), "hallo", {'hallo'}),
(('weg => wg',), "holzweg", {'holzweg'}),
(('weg -> wg',), "holzweg", {'holzweg'}),
(('~weg => weg',), "holzweg", {'holz weg', 'holzweg'}),
(('~weg -> weg',), "holzweg", {'holz weg', 'holzweg'}),
(('~weg => w',), "holzweg", {'holz w', 'holzw'}),
(('~weg -> w',), "holzweg", {'holz weg', 'holzweg', 'holz w', 'holzw'}),
(('~weg => weg',), "Meier Weg", {'meier weg', 'meierweg'}),
(('~weg -> weg',), "Meier Weg", {'meier weg', 'meierweg'}),
(('~weg => w',), "Meier Weg", {'meier w', 'meierw'}),
(('~weg -> w',), "Meier Weg", {'meier weg', 'meierweg', 'meier w', 'meierw'}),
(('weg => wg',), "Meier Weg", {'meier wg'}),
(('weg -> wg',), "Meier Weg", {'meier weg', 'meier wg'}),
(('~strasse,~straße -> str', '~weg => weg'), "Bauwegstraße",
{'bauweg straße', 'bauweg str', 'bauwegstraße', 'bauwegstr'}),
(('am => a', 'bach => b'), "am bach", {'a b'}),
(('am => a', '~bach => b'), "am bach", {'a b'}),
(('am -> a', '~bach -> b'), "am bach", {'am bach', 'a bach', 'am b', 'a b'}),
(('am -> a', '~bach -> b'), "ambach", {'ambach', 'am bach', 'amb', 'am b'}),
(('saint -> s,st', 'street -> st'), "Saint Johns Street",
{'saint johns street', 's johns street', 'st johns street',
'saint johns st', 's johns st', 'st johns st'}),
(('river$ -> r',), "River Bend Road", {'river bend road'}),
(('river$ -> r',), "Bent River", {'bent river', 'bent r'}),
(('^north => n',), "North 2nd Street", {'n 2nd street'}),
(('^north => n',), "Airport North", {'airport north'}),
(('am -> a',), "am am am am am am am am", {'am am am am am am am am'}),
(('am => a',), "am am am am am am am am", {'a a a a a a a a'})
]
@pytest.mark.parametrize("rules,name,variants", VARIANT_TESTS)
def test_variants(cfgfile, rules, name, variants):
fpath = cfgfile(*rules)
proc = ICUNameProcessor(ICUNameProcessorRules(loader=ICURuleLoader(fpath)))
result = get_normalized_variants(proc, name)
assert len(result) == len(set(result))
assert set(get_normalized_variants(proc, name)) == variants
def test_search_normalized(cfgfile):
fpath = cfgfile('~street => s,st', 'master => mstr')
rules = ICUNameProcessorRules(loader=ICURuleLoader(fpath))
proc = ICUNameProcessor(rules)
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'