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Nominatim/test/python/test_tokenizer_legacy_icu.py
2021-07-04 10:28:20 +02:00

348 lines
12 KiB
Python

"""
Tests for Legacy ICU tokenizer.
"""
import shutil
import yaml
import pytest
from nominatim.tokenizer import legacy_icu_tokenizer
from nominatim.tokenizer.icu_name_processor import ICUNameProcessorRules
from nominatim.tokenizer.icu_rule_loader import ICURuleLoader
from nominatim.db import properties
@pytest.fixture
def test_config(def_config, tmp_path):
def_config.project_dir = tmp_path / 'project'
def_config.project_dir.mkdir()
sqldir = tmp_path / 'sql'
sqldir.mkdir()
(sqldir / 'tokenizer').mkdir()
(sqldir / 'tokenizer' / 'legacy_icu_tokenizer.sql').write_text("SELECT 'a'")
shutil.copy(str(def_config.lib_dir.sql / 'tokenizer' / 'legacy_tokenizer_tables.sql'),
str(sqldir / 'tokenizer' / 'legacy_tokenizer_tables.sql'))
def_config.lib_dir.sql = sqldir
return def_config
@pytest.fixture
def tokenizer_factory(dsn, tmp_path, property_table,
sql_preprocessor, place_table, word_table):
(tmp_path / 'tokenizer').mkdir()
def _maker():
return legacy_icu_tokenizer.create(dsn, tmp_path / 'tokenizer')
return _maker
@pytest.fixture
def db_prop(temp_db_conn):
def _get_db_property(name):
return properties.get_property(temp_db_conn, name)
return _get_db_property
@pytest.fixture
def analyzer(tokenizer_factory, test_config, monkeypatch,
temp_db_with_extensions, tmp_path):
sql = tmp_path / 'sql' / 'tokenizer' / 'legacy_icu_tokenizer.sql'
sql.write_text("SELECT 'a';")
monkeypatch.setenv('NOMINATIM_TERM_NORMALIZATION', ':: lower();')
tok = tokenizer_factory()
tok.init_new_db(test_config)
monkeypatch.undo()
def _mk_analyser(norm=("[[:Punctuation:][:Space:]]+ > ' '",), trans=(':: upper()',),
suffixes=('gasse', ), abbr=('street => st', )):
cfgfile = tmp_path / 'analyser_test_config.yaml'
with cfgfile.open('w') as stream:
cfgstr = {'normalization' : list(norm),
'transliteration' : list(trans),
'compound_suffixes' : list(suffixes),
'abbreviations' : list(abbr)}
yaml.dump(cfgstr, stream)
tok.naming_rules = ICUNameProcessorRules(loader=ICURuleLoader(cfgfile))
return tok.name_analyzer()
return _mk_analyser
@pytest.fixture
def getorcreate_full_word(temp_db_cursor):
temp_db_cursor.execute("""CREATE OR REPLACE FUNCTION getorcreate_full_word(
norm_term TEXT, lookup_terms TEXT[],
OUT full_token INT,
OUT partial_tokens INT[])
AS $$
DECLARE
partial_terms TEXT[] = '{}'::TEXT[];
term TEXT;
term_id INTEGER;
term_count INTEGER;
BEGIN
SELECT min(word_id) INTO full_token
FROM word WHERE word = norm_term and class is null and country_code is null;
IF full_token IS NULL THEN
full_token := nextval('seq_word');
INSERT INTO word (word_id, word_token, word, search_name_count)
SELECT full_token, ' ' || lookup_term, norm_term, 0 FROM unnest(lookup_terms) as lookup_term;
END IF;
FOR term IN SELECT unnest(string_to_array(unnest(lookup_terms), ' ')) LOOP
term := trim(term);
IF NOT (ARRAY[term] <@ partial_terms) THEN
partial_terms := partial_terms || term;
END IF;
END LOOP;
partial_tokens := '{}'::INT[];
FOR term IN SELECT unnest(partial_terms) LOOP
SELECT min(word_id), max(search_name_count) INTO term_id, term_count
FROM word WHERE word_token = term and class is null and country_code is null;
IF term_id IS NULL THEN
term_id := nextval('seq_word');
term_count := 0;
INSERT INTO word (word_id, word_token, search_name_count)
VALUES (term_id, term, 0);
END IF;
IF NOT (ARRAY[term_id] <@ partial_tokens) THEN
partial_tokens := partial_tokens || term_id;
END IF;
END LOOP;
END;
$$
LANGUAGE plpgsql;
""")
@pytest.fixture
def getorcreate_hnr_id(temp_db_cursor):
temp_db_cursor.execute("""CREATE OR REPLACE FUNCTION getorcreate_hnr_id(lookup_term TEXT)
RETURNS INTEGER AS $$
SELECT -nextval('seq_word')::INTEGER; $$ LANGUAGE SQL""")
def test_init_new(tokenizer_factory, test_config, monkeypatch, db_prop):
monkeypatch.setenv('NOMINATIM_TERM_NORMALIZATION', ':: lower();')
tok = tokenizer_factory()
tok.init_new_db(test_config)
assert db_prop(legacy_icu_tokenizer.DBCFG_TERM_NORMALIZATION) == ':: lower();'
assert db_prop(legacy_icu_tokenizer.DBCFG_MAXWORDFREQ) is not None
def test_init_from_project(monkeypatch, test_config, tokenizer_factory):
monkeypatch.setenv('NOMINATIM_TERM_NORMALIZATION', ':: lower();')
monkeypatch.setenv('NOMINATIM_MAX_WORD_FREQUENCY', '90300')
tok = tokenizer_factory()
tok.init_new_db(test_config)
monkeypatch.undo()
tok = tokenizer_factory()
tok.init_from_project()
assert tok.naming_rules is not None
assert tok.term_normalization == ':: lower();'
assert tok.max_word_frequency == '90300'
def test_update_sql_functions(db_prop, temp_db_cursor,
tokenizer_factory, test_config, table_factory,
monkeypatch):
monkeypatch.setenv('NOMINATIM_MAX_WORD_FREQUENCY', '1133')
tok = tokenizer_factory()
tok.init_new_db(test_config)
monkeypatch.undo()
assert db_prop(legacy_icu_tokenizer.DBCFG_MAXWORDFREQ) == '1133'
table_factory('test', 'txt TEXT')
func_file = test_config.lib_dir.sql / 'tokenizer' / 'legacy_icu_tokenizer.sql'
func_file.write_text("""INSERT INTO test VALUES ('{{max_word_freq}}')""")
tok.update_sql_functions(test_config)
test_content = temp_db_cursor.row_set('SELECT * FROM test')
assert test_content == set((('1133', ), ))
def test_make_standard_hnr(analyzer):
with analyzer(abbr=('IV => 4',)) as anl:
assert anl._make_standard_hnr('345') == '345'
assert anl._make_standard_hnr('iv') == 'IV'
def test_update_postcodes_from_db_empty(analyzer, table_factory, word_table):
table_factory('location_postcode', 'postcode TEXT',
content=(('1234',), ('12 34',), ('AB23',), ('1234',)))
with analyzer() as anl:
anl.update_postcodes_from_db()
assert word_table.count() == 3
assert word_table.get_postcodes() == {'1234', '12 34', 'AB23'}
def test_update_postcodes_from_db_add_and_remove(analyzer, table_factory, word_table):
table_factory('location_postcode', 'postcode TEXT',
content=(('1234',), ('45BC', ), ('XX45', )))
word_table.add_postcode(' 1234', '1234')
word_table.add_postcode(' 5678', '5678')
with analyzer() as anl:
anl.update_postcodes_from_db()
assert word_table.count() == 3
assert word_table.get_postcodes() == {'1234', '45BC', 'XX45'}
def test_update_special_phrase_empty_table(analyzer, word_table):
with analyzer() as anl:
anl.update_special_phrases([
("König bei", "amenity", "royal", "near"),
("Könige", "amenity", "royal", "-"),
("street", "highway", "primary", "in")
], True)
assert word_table.get_special() \
== {(' KÖNIG BEI', 'könig bei', 'amenity', 'royal', 'near'),
(' KÖNIGE', 'könige', 'amenity', 'royal', None),
(' STREET', 'street', 'highway', 'primary', 'in')}
def test_update_special_phrase_delete_all(analyzer, word_table):
word_table.add_special(' FOO', 'foo', 'amenity', 'prison', 'in')
word_table.add_special(' BAR', 'bar', 'highway', 'road', None)
assert word_table.count_special() == 2
with analyzer() as anl:
anl.update_special_phrases([], True)
assert word_table.count_special() == 0
def test_update_special_phrases_no_replace(analyzer, word_table):
word_table.add_special(' FOO', 'foo', 'amenity', 'prison', 'in')
word_table.add_special(' BAR', 'bar', 'highway', 'road', None)
assert word_table.count_special() == 2
with analyzer() as anl:
anl.update_special_phrases([], False)
assert word_table.count_special() == 2
def test_update_special_phrase_modify(analyzer, word_table):
word_table.add_special(' FOO', 'foo', 'amenity', 'prison', 'in')
word_table.add_special(' BAR', 'bar', 'highway', 'road', None)
assert word_table.count_special() == 2
with analyzer() as anl:
anl.update_special_phrases([
('prison', 'amenity', 'prison', 'in'),
('bar', 'highway', 'road', '-'),
('garden', 'leisure', 'garden', 'near')
], True)
assert word_table.get_special() \
== {(' PRISON', 'prison', 'amenity', 'prison', 'in'),
(' BAR', 'bar', 'highway', 'road', None),
(' GARDEN', 'garden', 'leisure', 'garden', 'near')}
class TestPlaceNames:
@pytest.fixture(autouse=True)
def setup(self, analyzer, getorcreate_full_word):
with analyzer() as anl:
self.analyzer = anl
yield anl
def expect_name_terms(self, info, *expected_terms):
tokens = self.analyzer.get_word_token_info(expected_terms)
for token in tokens:
assert token[2] is not None, "No token for {0}".format(token)
assert eval(info['names']) == set((t[2] for t in tokens))
def test_simple_names(self):
info = self.analyzer.process_place({'name' : {'name' : 'Soft bAr', 'ref': '34'}})
self.expect_name_terms(info, '#Soft bAr', '#34','Soft', 'bAr', '34')
@pytest.mark.parametrize('sep', [',' , ';'])
def test_names_with_separator(self, sep):
info = self.analyzer.process_place({'name' : {'name' : sep.join(('New York', 'Big Apple'))}})
self.expect_name_terms(info, '#New York', '#Big Apple',
'new', 'york', 'big', 'apple')
def test_full_names_with_bracket(self):
info = self.analyzer.process_place({'name' : {'name' : 'Houseboat (left)'}})
self.expect_name_terms(info, '#Houseboat (left)', '#Houseboat',
'houseboat', 'left')
@pytest.mark.parametrize('pcode', ['12345', 'AB 123', '34-345'])
def test_process_place_postcode(analyzer, word_table, pcode):
with analyzer() as anl:
anl.process_place({'address': {'postcode' : pcode}})
assert word_table.get_postcodes() == {pcode, }
@pytest.mark.parametrize('pcode', ['12:23', 'ab;cd;f', '123;836'])
def test_process_place_bad_postcode(analyzer, word_table, pcode):
with analyzer() as anl:
anl.process_place({'address': {'postcode' : pcode}})
assert not word_table.get_postcodes()
@pytest.mark.parametrize('hnr', ['123a', '1', '101'])
def test_process_place_housenumbers_simple(analyzer, hnr, getorcreate_hnr_id):
with analyzer() as anl:
info = anl.process_place({'address': {'housenumber' : hnr}})
assert info['hnr'] == hnr.upper()
assert info['hnr_tokens'] == "{-1}"
def test_process_place_housenumbers_lists(analyzer, getorcreate_hnr_id):
with analyzer() as anl:
info = anl.process_place({'address': {'conscriptionnumber' : '1; 2;3'}})
assert set(info['hnr'].split(';')) == set(('1', '2', '3'))
assert info['hnr_tokens'] == "{-1,-2,-3}"
def test_process_place_housenumbers_duplicates(analyzer, getorcreate_hnr_id):
with analyzer() as anl:
info = anl.process_place({'address': {'housenumber' : '134',
'conscriptionnumber' : '134',
'streetnumber' : '99a'}})
assert set(info['hnr'].split(';')) == set(('134', '99A'))
assert info['hnr_tokens'] == "{-1,-2}"