mirror of
https://github.com/osm-search/Nominatim.git
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245 lines
7.9 KiB
Python
245 lines
7.9 KiB
Python
# SPDX-License-Identifier: GPL-3.0-or-later
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2023 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Tests for query analyzer for legacy tokenizer.
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"""
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from pathlib import Path
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import pytest
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import pytest_asyncio
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from nominatim.api import NominatimAPIAsync
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from nominatim.api.search.query import Phrase, PhraseType, TokenType, BreakType
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import nominatim.api.search.legacy_tokenizer as tok
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from nominatim.api.logging import set_log_output, get_and_disable
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async def add_word(conn, word_id, word_token, word, count):
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t = conn.t.meta.tables['word']
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await conn.execute(t.insert(), {'word_id': word_id,
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'word_token': word_token,
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'search_name_count': count,
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'word': word})
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async def add_housenumber(conn, word_id, hnr):
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t = conn.t.meta.tables['word']
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await conn.execute(t.insert(), {'word_id': word_id,
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'word_token': ' ' + hnr,
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'word': hnr,
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'class': 'place',
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'type': 'house'})
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async def add_postcode(conn, word_id, postcode):
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t = conn.t.meta.tables['word']
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await conn.execute(t.insert(), {'word_id': word_id,
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'word_token': ' ' + postcode,
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'word': postcode,
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'class': 'place',
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'type': 'postcode'})
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async def add_special_term(conn, word_id, word_token, cls, typ, op):
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t = conn.t.meta.tables['word']
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await conn.execute(t.insert(), {'word_id': word_id,
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'word_token': word_token,
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'word': word_token,
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'class': cls,
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'type': typ,
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'operator': op})
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def make_phrase(query):
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return [Phrase(PhraseType.NONE, s) for s in query.split(',')]
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@pytest_asyncio.fixture
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async def conn(table_factory, temp_db_cursor):
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""" Create an asynchronous SQLAlchemy engine for the test DB.
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"""
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table_factory('nominatim_properties',
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definition='property TEXT, value TEXT',
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content=(('tokenizer_maxwordfreq', '10000'), ))
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table_factory('word',
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definition="""word_id INT, word_token TEXT, word TEXT,
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class TEXT, type TEXT, country_code TEXT,
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search_name_count INT, operator TEXT
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""")
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temp_db_cursor.execute("""CREATE OR REPLACE FUNCTION make_standard_name(name TEXT)
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RETURNS TEXT AS $$ SELECT lower(name); $$ LANGUAGE SQL;""")
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api = NominatimAPIAsync(Path('/invalid'), {})
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async with api.begin() as conn:
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yield conn
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await api.close()
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@pytest.mark.asyncio
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async def test_empty_phrase(conn):
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ana = await tok.create_query_analyzer(conn)
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query = await ana.analyze_query([])
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assert len(query.source) == 0
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assert query.num_token_slots() == 0
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@pytest.mark.asyncio
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async def test_single_phrase_with_unknown_terms(conn):
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ana = await tok.create_query_analyzer(conn)
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await add_word(conn, 1, 'foo', 'FOO', 3)
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query = await ana.analyze_query(make_phrase('foo BAR'))
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assert len(query.source) == 1
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assert query.source[0].ptype == PhraseType.NONE
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assert query.source[0].text == 'foo bar'
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assert query.num_token_slots() == 2
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assert len(query.nodes[0].starting) == 1
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assert not query.nodes[1].starting
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@pytest.mark.asyncio
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async def test_multiple_phrases(conn):
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ana = await tok.create_query_analyzer(conn)
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await add_word(conn, 1, 'one', 'one', 13)
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await add_word(conn, 2, 'two', 'two', 45)
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await add_word(conn, 100, 'one two', 'one two', 3)
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await add_word(conn, 3, 'three', 'three', 4584)
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query = await ana.analyze_query(make_phrase('one two,three'))
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assert len(query.source) == 2
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@pytest.mark.asyncio
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async def test_housenumber_token(conn):
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ana = await tok.create_query_analyzer(conn)
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await add_housenumber(conn, 556, '45 a')
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query = await ana.analyze_query(make_phrase('45 A'))
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assert query.num_token_slots() == 2
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assert len(query.nodes[0].starting) == 2
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query.nodes[0].starting.sort(key=lambda tl: tl.end)
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hn1 = query.nodes[0].starting[0]
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assert hn1.ttype == TokenType.HOUSENUMBER
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assert hn1.end == 1
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assert hn1.tokens[0].token == 0
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hn2 = query.nodes[0].starting[1]
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assert hn2.ttype == TokenType.HOUSENUMBER
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assert hn2.end == 2
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assert hn2.tokens[0].token == 556
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@pytest.mark.asyncio
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async def test_postcode_token(conn):
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ana = await tok.create_query_analyzer(conn)
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await add_postcode(conn, 34, '45ax')
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query = await ana.analyze_query(make_phrase('45AX'))
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assert query.num_token_slots() == 1
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assert [tl.ttype for tl in query.nodes[0].starting] == [TokenType.POSTCODE]
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@pytest.mark.asyncio
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async def test_partial_tokens(conn):
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ana = await tok.create_query_analyzer(conn)
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await add_word(conn, 1, ' foo', 'foo', 99)
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await add_word(conn, 1, 'foo', 'FOO', 99)
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await add_word(conn, 1, 'bar', 'FOO', 990000)
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query = await ana.analyze_query(make_phrase('foo bar'))
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assert query.num_token_slots() == 2
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first = query.nodes[0].starting
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first.sort(key=lambda tl: tl.tokens[0].penalty)
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assert [tl.ttype for tl in first] == [TokenType.WORD, TokenType.PARTIAL]
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assert all(tl.tokens[0].lookup_word == 'foo' for tl in first)
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second = query.nodes[1].starting
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assert [tl.ttype for tl in second] == [TokenType.PARTIAL]
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assert not second[0].tokens[0].is_indexed
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@pytest.mark.asyncio
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@pytest.mark.parametrize('term,order', [('23456', ['POSTCODE', 'HOUSENUMBER', 'WORD', 'PARTIAL']),
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('3', ['HOUSENUMBER', 'POSTCODE', 'WORD', 'PARTIAL'])
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])
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async def test_penalty_postcodes_and_housenumbers(conn, term, order):
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ana = await tok.create_query_analyzer(conn)
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await add_postcode(conn, 1, term)
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await add_housenumber(conn, 2, term)
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await add_word(conn, 3, term, term, 5)
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await add_word(conn, 4, ' ' + term, term, 1)
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query = await ana.analyze_query(make_phrase(term))
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assert query.num_token_slots() == 1
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torder = [(tl.tokens[0].penalty, tl.ttype.name) for tl in query.nodes[0].starting]
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torder.sort()
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assert [t[1] for t in torder] == order
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@pytest.mark.asyncio
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async def test_category_words_only_at_beginning(conn):
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ana = await tok.create_query_analyzer(conn)
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await add_special_term(conn, 1, 'foo', 'amenity', 'restaurant', 'in')
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await add_word(conn, 2, ' bar', 'BAR', 1)
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query = await ana.analyze_query(make_phrase('foo BAR foo'))
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assert query.num_token_slots() == 3
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assert len(query.nodes[0].starting) == 1
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assert query.nodes[0].starting[0].ttype == TokenType.NEAR_ITEM
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assert not query.nodes[2].starting
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@pytest.mark.asyncio
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async def test_qualifier_words(conn):
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ana = await tok.create_query_analyzer(conn)
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await add_special_term(conn, 1, 'foo', 'amenity', 'restaurant', '-')
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await add_word(conn, 2, ' bar', 'w', None)
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query = await ana.analyze_query(make_phrase('foo BAR foo BAR foo'))
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assert query.num_token_slots() == 5
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assert set(t.ttype for t in query.nodes[0].starting) == {TokenType.NEAR_ITEM, TokenType.QUALIFIER}
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assert set(t.ttype for t in query.nodes[2].starting) == {TokenType.QUALIFIER}
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assert set(t.ttype for t in query.nodes[4].starting) == {TokenType.NEAR_ITEM, TokenType.QUALIFIER}
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@pytest.mark.asyncio
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@pytest.mark.parametrize('logtype', ['text', 'html'])
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async def test_log_output(conn, logtype):
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ana = await tok.create_query_analyzer(conn)
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await add_word(conn, 1, 'foo', 'FOO', 99)
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set_log_output(logtype)
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await ana.analyze_query(make_phrase('foo'))
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assert get_and_disable()
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