+SRC_DIR = (Path(__file__) / '..' / '..' / '..').resolve()
+sys.path.insert(0, str(SRC_DIR))
+
+from nominatim.config import Configuration
+from nominatim.db import connection
+from nominatim.db.sql_preprocessor import SQLPreprocessor
+import nominatim.tokenizer.factory
+
+import dummy_tokenizer
+import mocks
+from cursor import CursorForTesting
+
+
+@pytest.fixture
+def src_dir():
+ return SRC_DIR
+
+
+@pytest.fixture
+def temp_db(monkeypatch):
+ """ Create an empty database for the test. The database name is also
+ exported into NOMINATIM_DATABASE_DSN.
+ """
+ name = 'test_nominatim_python_unittest'
+ conn = psycopg2.connect(database='postgres')
+
+ conn.set_isolation_level(0)
+ with conn.cursor() as cur:
+ cur.execute('DROP DATABASE IF EXISTS {}'.format(name))
+ cur.execute('CREATE DATABASE {}'.format(name))
+
+ conn.close()
+
+ monkeypatch.setenv('NOMINATIM_DATABASE_DSN', 'dbname=' + name)
+
+ yield name
+
+ conn = psycopg2.connect(database='postgres')
+
+ conn.set_isolation_level(0)
+ with conn.cursor() as cur:
+ cur.execute('DROP DATABASE IF EXISTS {}'.format(name))
+
+ conn.close()
+
+
+@pytest.fixture
+def dsn(temp_db):
+ return 'dbname=' + temp_db
+
+
+@pytest.fixture
+def temp_db_with_extensions(temp_db):
+ conn = psycopg2.connect(database=temp_db)
+ with conn.cursor() as cur:
+ cur.execute('CREATE EXTENSION hstore; CREATE EXTENSION postgis;')
+ conn.commit()
+ conn.close()
+
+ return temp_db
+
+@pytest.fixture
+def temp_db_conn(temp_db):
+ """ Connection to the test database.
+ """
+ with connection.connect('dbname=' + temp_db) as conn:
+ yield conn
+
+
+@pytest.fixture
+def temp_db_cursor(temp_db):
+ """ Connection and cursor towards the test database. The connection will
+ be in auto-commit mode.
+ """
+ conn = psycopg2.connect('dbname=' + temp_db)
+ conn.set_isolation_level(0)
+ with conn.cursor(cursor_factory=CursorForTesting) as cur:
+ yield cur
+ conn.close()
+
+
+@pytest.fixture
+def table_factory(temp_db_cursor):
+ """ A fixture that creates new SQL tables, potentially filled with
+ content.
+ """
+ def mk_table(name, definition='id INT', content=None):
+ temp_db_cursor.execute('CREATE TABLE {} ({})'.format(name, definition))
+ if content is not None:
+ temp_db_cursor.execute_values("INSERT INTO {} VALUES %s".format(name), content)
+
+ return mk_table
+
+
+@pytest.fixture
+def def_config(src_dir):
+ cfg = Configuration(None, src_dir / 'settings')
+ cfg.set_libdirs(module='.', osm2pgsql='.',
+ php=src_dir / 'lib-php',
+ sql=src_dir / 'lib-sql',
+ data=src_dir / 'data')
+ return cfg
+
+
+@pytest.fixture
+def project_env(src_dir, tmp_path):
+ projdir = tmp_path / 'project'
+ projdir.mkdir()
+ cfg = Configuration(projdir, src_dir / 'settings')
+ cfg.set_libdirs(module='.', osm2pgsql='.',
+ php=src_dir / 'lib-php',
+ sql=src_dir / 'lib-sql',
+ data=src_dir / 'data')
+ return cfg
+
+
+@pytest.fixture
+def property_table(table_factory, temp_db_conn):
+ table_factory('nominatim_properties', 'property TEXT, value TEXT')
+
+ return mocks.MockPropertyTable(temp_db_conn)
+
+
+@pytest.fixture
+def status_table(table_factory):
+ """ Create an empty version of the status table and
+ the status logging table.
+ """
+ table_factory('import_status',
+ """lastimportdate timestamp with time zone NOT NULL,
+ sequence_id integer,
+ indexed boolean""")
+ table_factory('import_osmosis_log',
+ """batchend timestamp,
+ batchseq integer,
+ batchsize bigint,
+ starttime timestamp,
+ endtime timestamp,
+ event text""")
+
+
+@pytest.fixture
+def place_table(temp_db_with_extensions, table_factory):
+ """ Create an empty version of the place table.
+ """
+ table_factory('place',
+ """osm_id int8 NOT NULL,
+ osm_type char(1) NOT NULL,
+ class text NOT NULL,
+ type text NOT NULL,
+ name hstore,
+ admin_level smallint,
+ address hstore,
+ extratags hstore,
+ geometry Geometry(Geometry,4326) NOT NULL""")
+
+
+@pytest.fixture
+def place_row(place_table, temp_db_cursor):
+ """ A factory for rows in the place table. The table is created as a
+ prerequisite to the fixture.
+ """
+ psycopg2.extras.register_hstore(temp_db_cursor)
+ idseq = itertools.count(1001)
+ def _insert(osm_type='N', osm_id=None, cls='amenity', typ='cafe', names=None,
+ admin_level=None, address=None, extratags=None, geom=None):
+ temp_db_cursor.execute("INSERT INTO place VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)",
+ (osm_id or next(idseq), osm_type, cls, typ, names,
+ admin_level, address, extratags,
+ geom or 'SRID=4326;POINT(0 0)'))
+
+ return _insert
+
+@pytest.fixture
+def placex_table(temp_db_with_extensions, temp_db_conn):
+ """ Create an empty version of the place table.
+ """
+ return mocks.MockPlacexTable(temp_db_conn)
+
+
+@pytest.fixture
+def osmline_table(temp_db_with_extensions, table_factory):
+ table_factory('location_property_osmline',
+ """place_id BIGINT,
+ osm_id BIGINT,
+ parent_place_id BIGINT,
+ geometry_sector INTEGER,
+ indexed_date TIMESTAMP,
+ startnumber INTEGER,
+ endnumber INTEGER,
+ partition SMALLINT,
+ indexed_status SMALLINT,
+ linegeo GEOMETRY,
+ interpolationtype TEXT,
+ address HSTORE,
+ postcode TEXT,
+ country_code VARCHAR(2)""")
+
+
+@pytest.fixture
+def sql_preprocessor_cfg(tmp_path, table_factory, temp_db_with_extensions):
+ table_factory('country_name', 'partition INT', ((0, ), (1, ), (2, )))
+ cfg = Configuration(None, SRC_DIR.resolve() / 'settings')
+ cfg.set_libdirs(module='.', osm2pgsql='.', php=SRC_DIR / 'lib-php',
+ sql=tmp_path, data=SRC_DIR / 'data')
+ return cfg
+
+
+@pytest.fixture
+def sql_preprocessor(sql_preprocessor_cfg, temp_db_conn):
+ return SQLPreprocessor(temp_db_conn, sql_preprocessor_cfg)
+
+
+@pytest.fixture
+def tokenizer_mock(monkeypatch, property_table):
+ """ Sets up the configuration so that the test dummy tokenizer will be
+ loaded when the tokenizer factory is used. Also returns a factory
+ with which a new dummy tokenizer may be created.
+ """
+ monkeypatch.setenv('NOMINATIM_TOKENIZER', 'dummy')
+
+ def _import_dummy(*args, **kwargs):
+ return dummy_tokenizer
+
+ monkeypatch.setattr(nominatim.tokenizer.factory, "_import_tokenizer", _import_dummy)
+ property_table.set('tokenizer', 'dummy')
+
+ def _create_tokenizer():
+ return dummy_tokenizer.DummyTokenizer(None, None)