mirror of
https://github.com/osm-search/Nominatim.git
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265 lines
9.6 KiB
Python
265 lines
9.6 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) 2026 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 functions to import a new database.
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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 # noqa
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import psycopg
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from psycopg import sql as pysql
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from nominatim_db.tools import database_import
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from nominatim_db.errors import UsageError
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class TestDatabaseSetup:
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DBNAME = 'test_nominatim_python_unittest'
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@pytest.fixture(autouse=True)
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def setup_nonexistant_db(self):
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with psycopg.connect(dbname='postgres', autocommit=True) as conn:
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with conn.cursor() as cur:
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cur.execute(pysql.SQL('DROP DATABASE IF EXISTS ')
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+ pysql.Identifier(self.DBNAME))
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yield True
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with conn.cursor() as cur:
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cur.execute(pysql.SQL('DROP DATABASE IF EXISTS ')
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+ pysql.Identifier(self.DBNAME))
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@pytest.fixture
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def cursor(self):
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with psycopg.connect(dbname=self.DBNAME) as conn:
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with conn.cursor() as cur:
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yield cur
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def conn(self):
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return psycopg.connect(dbname=self.DBNAME)
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def test_setup_skeleton(self):
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database_import.setup_database_skeleton(f'dbname={self.DBNAME}')
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# Check that all extensions are set up.
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with self.conn() as conn:
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with conn.cursor() as cur:
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cur.execute('CREATE TABLE t (h HSTORE, geom GEOMETRY(Geometry, 4326))')
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def test_unsupported_pg_version(self, monkeypatch):
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monkeypatch.setattr(database_import, 'POSTGRESQL_REQUIRED_VERSION', (100, 4))
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with pytest.raises(UsageError, match='PostgreSQL server is too old.'):
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database_import.setup_database_skeleton(f'dbname={self.DBNAME}')
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def test_create_db_explicit_ro_user(self):
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database_import.setup_database_skeleton(f'dbname={self.DBNAME}',
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rouser='postgres')
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def test_create_db_missing_ro_user(self):
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with pytest.raises(UsageError, match='Missing read-only user.'):
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database_import.setup_database_skeleton(f'dbname={self.DBNAME}',
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rouser='sdfwkjkjgdugu2jgsafkljas')
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def test_setup_extensions_old_postgis(self, monkeypatch):
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monkeypatch.setattr(database_import, 'POSTGIS_REQUIRED_VERSION', (50, 50))
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with pytest.raises(UsageError, match='PostGIS is too old.'):
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database_import.setup_database_skeleton(f'dbname={self.DBNAME}')
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def test_setup_skeleton_already_exists(temp_db):
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with pytest.raises(UsageError):
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database_import.setup_database_skeleton(f'dbname={temp_db}')
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def test_import_osm_data_simple(place_row, osm2pgsql_options, capfd):
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place_row()
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database_import.import_osm_data(Path('file.pbf'), osm2pgsql_options)
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captured = capfd.readouterr()
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assert '--create' in captured.out
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assert '--output flex' in captured.out
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assert f'--style {osm2pgsql_options["osm2pgsql_style"]}' in captured.out
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assert f'--number-processes {osm2pgsql_options["threads"]}' in captured.out
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assert f'--cache {osm2pgsql_options["osm2pgsql_cache"]}' in captured.out
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assert 'file.pbf' in captured.out
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def test_import_osm_data_multifile(place_row, tmp_path, osm2pgsql_options, capfd):
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place_row()
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osm2pgsql_options['osm2pgsql_cache'] = 0
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files = [tmp_path / 'file1.osm', tmp_path / 'file2.osm']
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for f in files:
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f.write_text('test', encoding='utf-8')
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database_import.import_osm_data(files, osm2pgsql_options)
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captured = capfd.readouterr()
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assert 'file1.osm' in captured.out
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assert 'file2.osm' in captured.out
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def test_import_osm_data_simple_no_data(place_row, osm2pgsql_options):
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with pytest.raises(UsageError, match='No data imported'):
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database_import.import_osm_data(Path('file.pbf'), osm2pgsql_options)
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def test_import_osm_data_simple_ignore_no_data(place_table, osm2pgsql_options):
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database_import.import_osm_data(Path('file.pbf'), osm2pgsql_options,
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ignore_errors=True)
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def test_import_osm_data_drop(place_row, table_factory, temp_db_cursor,
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tmp_path, osm2pgsql_options):
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place_row()
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table_factory('planet_osm_nodes')
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flatfile = tmp_path / 'flatfile'
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flatfile.write_text('touch', encoding='utf-8')
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osm2pgsql_options['flatnode_file'] = str(flatfile.resolve())
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database_import.import_osm_data(Path('file.pbf'), osm2pgsql_options, drop=True)
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assert not flatfile.exists()
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assert not temp_db_cursor.table_exists('planet_osm_nodes')
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def test_import_osm_data_default_cache(place_row, osm2pgsql_options, capfd):
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place_row()
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osm2pgsql_options['osm2pgsql_cache'] = 0
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database_import.import_osm_data(Path(__file__), osm2pgsql_options)
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captured = capfd.readouterr()
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assert f'--cache {osm2pgsql_options["osm2pgsql_cache"]}' in captured.out
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@pytest.mark.parametrize("with_search", (True, False))
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def test_truncate_database_tables(temp_db_conn, temp_db_cursor, table_factory, with_search):
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tables = ['placex', 'place_addressline', 'location_area',
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'location_area_country',
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'location_property_tiger', 'location_property_osmline',
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'location_postcodes', 'location_road_23']
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if with_search:
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tables.append('search_name')
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for table in tables:
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table_factory(table, content=((1, ), (2, ), (3, )))
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assert temp_db_cursor.table_rows(table) == 3
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database_import.truncate_data_tables(temp_db_conn)
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for table in tables:
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assert temp_db_cursor.table_rows(table) == 0
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@pytest.mark.parametrize("threads", (1, 5))
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@pytest.mark.asyncio
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async def test_load_data(dsn, place_row, placex_table, osmline_table,
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temp_db_cursor, threads):
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for oid in range(100, 130):
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place_row(osm_id=oid)
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place_row(osm_type='W', osm_id=342, cls='place', typ='houses',
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geom='LINESTRING(0 0, 10 10)')
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temp_db_cursor.execute("""
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CREATE OR REPLACE FUNCTION placex_insert() RETURNS TRIGGER AS $$
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BEGIN
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NEW.place_id := nextval('seq_place');
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NEW.indexed_status := 1;
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NEW.centroid := ST_Centroid(NEW.geometry);
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NEW.partition := 0;
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NEW.geometry_sector := 2424;
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NEW.rank_address := 30;
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NEW.rank_search := 30;
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RETURN NEW;
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END; $$ LANGUAGE plpgsql STABLE PARALLEL SAFE;
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CREATE OR REPLACE FUNCTION osmline_insert() RETURNS TRIGGER AS $$
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BEGIN
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NEW.place_id := nextval('seq_place');
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IF NEW.indexed_status IS NULL THEN
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NEW.indexed_status := 1;
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NEW.partition := 0;
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NEW.geometry_sector := 2424;
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END IF;
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RETURN NEW;
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END; $$ LANGUAGE plpgsql STABLE PARALLEL SAFE;
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CREATE TRIGGER placex_before_insert BEFORE INSERT ON placex
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FOR EACH ROW EXECUTE PROCEDURE placex_insert();
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CREATE TRIGGER osmline_before_insert BEFORE INSERT ON location_property_osmline
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FOR EACH ROW EXECUTE PROCEDURE osmline_insert();
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""")
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await database_import.load_data(dsn, threads)
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assert temp_db_cursor.table_rows('placex') == 30
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assert temp_db_cursor.table_rows('location_property_osmline') == 1
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class TestSetupSQL:
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@pytest.fixture(autouse=True)
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def osm2ppsql_skel(self, def_config, temp_db_with_extensions, place_row,
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country_table, table_factory, temp_db_conn):
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self.config = def_config
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place_row()
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table_factory('osm2pgsql_properties', 'property TEXT, value TEXT',
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(('db_format', 2),))
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table_factory('planet_osm_rels', 'id BIGINT, members JSONB, tags JSONB')
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temp_db_conn.execute("""
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CREATE OR REPLACE FUNCTION planet_osm_member_ids(jsonb, character)
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RETURNS bigint[] AS $$
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SELECT array_agg((el->>'ref')::int8)
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FROM jsonb_array_elements($1) AS el WHERE el->>'type' = $2
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$$ LANGUAGE sql IMMUTABLE;
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""")
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@pytest.mark.parametrize("reverse", [True, False])
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def test_create_tables(self, table_factory, temp_db_conn, temp_db_cursor, reverse):
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table_factory('country_osm_grid')
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database_import.create_tables(temp_db_conn, self.config, reverse)
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assert temp_db_cursor.table_exists('placex')
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assert not reverse == temp_db_cursor.table_exists('search_name')
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def test_create_table_triggers(self, temp_db_conn, placex_table, osmline_table,
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postcode_table, load_sql):
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load_sql('functions.sql')
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database_import.create_table_triggers(temp_db_conn, self.config)
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def test_create_partition_tables(self, country_row, temp_db_conn, temp_db_cursor, load_sql):
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for i in range(3):
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country_row(partition=i)
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load_sql('tables/location_area.sql')
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database_import.create_partition_tables(temp_db_conn, self.config)
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for i in range(3):
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assert temp_db_cursor.table_exists(f"location_area_large_{i}")
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assert temp_db_cursor.table_exists(f"search_name_{i}")
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@pytest.mark.parametrize("drop", [True, False])
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@pytest.mark.asyncio
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async def test_create_search_indices(self, temp_db_conn, temp_db_cursor, drop, load_sql):
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load_sql('tables.sql', 'functions/ranking.sql')
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await database_import.create_search_indices(temp_db_conn, self.config, drop)
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assert temp_db_cursor.index_exists('placex', 'idx_placex_geometry')
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assert not drop == temp_db_cursor.index_exists('placex', 'idx_placex_geometry_buildings')
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