mirror of
https://github.com/osm-search/Nominatim.git
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159 lines
5.2 KiB
Python
159 lines
5.2 KiB
Python
"""
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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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from contextlib import closing
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import pytest
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import psycopg2
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from nominatim.tools import database_import
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from nominatim.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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conn = psycopg2.connect(database='postgres')
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try:
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conn.set_isolation_level(0)
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with conn.cursor() as cur:
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cur.execute(f'DROP DATABASE IF EXISTS {self.DBNAME}')
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yield True
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with conn.cursor() as cur:
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cur.execute(f'DROP DATABASE IF EXISTS {self.DBNAME}')
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finally:
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conn.close()
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@pytest.fixture
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def cursor(self):
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conn = psycopg2.connect(database=self.DBNAME)
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try:
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with conn.cursor() as cur:
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yield cur
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finally:
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conn.close()
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def conn(self):
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return closing(psycopg2.connect(database=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_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='sdfwkjkjgdugu2;jgsafkljas;')
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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(table_factory, osm2pgsql_options):
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table_factory('place', content=((1, ), ))
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database_import.import_osm_data(Path('file.pbf'), osm2pgsql_options)
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def test_import_osm_data_multifile(table_factory, tmp_path, osm2pgsql_options):
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table_factory('place', content=((1, ), ))
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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')
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database_import.import_osm_data(files, osm2pgsql_options)
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def test_import_osm_data_simple_no_data(table_factory, osm2pgsql_options):
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table_factory('place')
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with pytest.raises(UsageError, match='No data.*'):
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database_import.import_osm_data(Path('file.pbf'), osm2pgsql_options)
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def test_import_osm_data_drop(table_factory, temp_db_conn, tmp_path, osm2pgsql_options):
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table_factory('place', content=((1, ), ))
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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')
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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_conn.table_exists('planet_osm_nodes')
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def test_import_osm_data_default_cache(table_factory, osm2pgsql_options):
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table_factory('place', content=((1, ), ))
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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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def test_truncate_database_tables(temp_db_conn, temp_db_cursor, table_factory):
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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_postcode', 'search_name', 'location_road_23')
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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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def test_load_data(dsn, place_row, placex_table, osmline_table,
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word_table, temp_db_cursor, threads):
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for func in ('precompute_words', 'getorcreate_housenumber_id', 'make_standard_name'):
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temp_db_cursor.execute("""CREATE FUNCTION {} (src TEXT)
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RETURNS TEXT AS $$ SELECT 'a'::TEXT $$ LANGUAGE SQL
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""".format(func))
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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='SRID=4326;LINESTRING(0 0, 10 10)')
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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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