test/python/conftest.py

   1 # SPDX-License-Identifier: GPL-3.0-or-later
   2 #
   3 # This file is part of Nominatim. (https://nominatim.org)
   4 #
   5 # Copyright (C) 2025 by the Nominatim developer community.
   6 # For a full list of authors see the git log.
   7 import itertools
   8 import sys
   9 from pathlib import Path
  10
  11 import psycopg
  12 from psycopg import sql as pysql
  13 import pytest
  14
  15 # always test against the source
  16 SRC_DIR = (Path(__file__) / '..' / '..' / '..').resolve()
  17 sys.path.insert(0, str(SRC_DIR / 'src'))
  18
  19 from nominatim_db.config import Configuration
  20 from nominatim_db.db import connection
  21 from nominatim_db.db.sql_preprocessor import SQLPreprocessor
  22 import nominatim_db.tokenizer.factory
  23
  24 import dummy_tokenizer
  25 import mocks
  26 from cursor import CursorForTesting
  27
  28
  29 def _with_srid(geom, default=None):
  30     if geom is None:
  31         return None if default is None else f"SRID=4326;{default}"
  32
  33     return f"SRID=4326;{geom}"
  34
  35
  36 @pytest.fixture
  37 def src_dir():
  38     return SRC_DIR
  39
  40
  41 @pytest.fixture
  42 def temp_db(monkeypatch):
  43     """ Create an empty database for the test. The database name is also
  44         exported into NOMINATIM_DATABASE_DSN.
  45     """
  46     name = 'test_nominatim_python_unittest'
  47
  48     with psycopg.connect(dbname='postgres', autocommit=True) as conn:
  49         with conn.cursor() as cur:
  50             cur.execute(pysql.SQL('DROP DATABASE IF EXISTS') + pysql.Identifier(name))
  51             cur.execute(pysql.SQL('CREATE DATABASE') + pysql.Identifier(name))
  52
  53     monkeypatch.setenv('NOMINATIM_DATABASE_DSN', 'dbname=' + name)
  54
  55     with psycopg.connect(dbname=name) as conn:
  56         with conn.cursor() as cur:
  57             cur.execute('CREATE EXTENSION hstore')
  58
  59     yield name
  60
  61     with psycopg.connect(dbname='postgres', autocommit=True) as conn:
  62         with conn.cursor() as cur:
  63             cur.execute(pysql.SQL('DROP DATABASE IF EXISTS') + pysql.Identifier(name))
  64
  65
  66 @pytest.fixture
  67 def dsn(temp_db):
  68     return 'dbname=' + temp_db
  69
  70
  71 @pytest.fixture
  72 def temp_db_with_extensions(temp_db):
  73     with psycopg.connect(dbname=temp_db) as conn:
  74         with conn.cursor() as cur:
  75             cur.execute('CREATE EXTENSION postgis')
  76
  77     return temp_db
  78
  79
  80 @pytest.fixture
  81 def temp_db_conn(temp_db):
  82     """ Connection to the test database.
  83     """
  84     with connection.connect('', autocommit=True, dbname=temp_db) as conn:
  85         connection.register_hstore(conn)
  86         yield conn
  87
  88
  89 @pytest.fixture
  90 def temp_db_cursor(temp_db):
  91     """ Connection and cursor towards the test database. The connection will
  92         be in auto-commit mode.
  93     """
  94     with psycopg.connect(dbname=temp_db, autocommit=True, cursor_factory=CursorForTesting) as conn:
  95         connection.register_hstore(conn)
  96         with conn.cursor() as cur:
  97             yield cur
  98
  99
 100 @pytest.fixture
 101 def table_factory(temp_db_conn):
 102     """ A fixture that creates new SQL tables, potentially filled with
 103         content.
 104     """
 105     def mk_table(name, definition='id INT', content=None):
 106         with psycopg.ClientCursor(temp_db_conn) as cur:
 107             cur.execute(pysql.SQL("CREATE TABLE {} ({})")
 108                              .format(pysql.Identifier(name),
 109                                      pysql.SQL(definition)))
 110             if content:
 111                 sql = pysql.SQL("INSERT INTO {} VALUES ({})")\
 112                            .format(pysql.Identifier(name),
 113                                    pysql.SQL(',').join([pysql.Placeholder()
 114                                                         for _ in range(len(content[0]))]))
 115                 cur.executemany(sql, content)
 116
 117     return mk_table
 118
 119
 120 @pytest.fixture
 121 def def_config():
 122     cfg = Configuration(None)
 123     return cfg
 124
 125
 126 @pytest.fixture
 127 def project_env(tmp_path):
 128     projdir = tmp_path / 'project'
 129     projdir.mkdir()
 130     cfg = Configuration(projdir)
 131     return cfg
 132
 133
 134 @pytest.fixture
 135 def property_table(table_factory, temp_db_conn):
 136     table_factory('nominatim_properties', 'property TEXT, value TEXT')
 137
 138     return mocks.MockPropertyTable(temp_db_conn)
 139
 140
 141 @pytest.fixture
 142 def status_table(table_factory):
 143     """ Create an empty version of the status table and
 144         the status logging table.
 145     """
 146     table_factory('import_status',
 147                   """lastimportdate timestamp with time zone NOT NULL,
 148                      sequence_id integer,
 149                      indexed boolean""")
 150     table_factory('import_osmosis_log',
 151                   """batchend timestamp,
 152                      batchseq integer,
 153                      batchsize bigint,
 154                      starttime timestamp,
 155                      endtime timestamp,
 156                      event text""")
 157
 158
 159 @pytest.fixture
 160 def place_table(temp_db_with_extensions, table_factory):
 161     """ Create an empty version of the place table.
 162     """
 163     table_factory('place',
 164                   """osm_id int8 NOT NULL,
 165                      osm_type char(1) NOT NULL,
 166                      class text NOT NULL,
 167                      type text NOT NULL,
 168                      name hstore,
 169                      admin_level smallint,
 170                      address hstore,
 171                      extratags hstore,
 172                      geometry Geometry(Geometry,4326) NOT NULL""")
 173
 174
 175 @pytest.fixture
 176 def place_row(place_table, temp_db_cursor):
 177     """ A factory for rows in the place table. The table is created as a
 178         prerequisite to the fixture.
 179     """
 180     idseq = itertools.count(1001)
 181     def _insert(osm_type='N', osm_id=None, cls='amenity', typ='cafe', names=None,
 182                 admin_level=None, address=None, extratags=None, geom=None):
 183         temp_db_cursor.execute("INSERT INTO place VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)",
 184                                (osm_id or next(idseq), osm_type, cls, typ, names,
 185                                 admin_level, address, extratags,
 186                                 geom or 'SRID=4326;POINT(0 0)'))
 187
 188     return _insert
 189
 190
 191 @pytest.fixture
 192 def place_postcode_table(temp_db_with_extensions, table_factory):
 193     """ Create an empty version of the place_postcode table.
 194     """
 195     table_factory('place_postcode',
 196                   """osm_type char(1) NOT NULL,
 197                      osm_id bigint NOT NULL,
 198                      postcode text NOT NULL,
 199                      country_code text,
 200                      centroid Geometry(Point, 4326) NOT NULL,
 201                      geometry Geometry(Geometry, 4326)""")
 202
 203
 204 @pytest.fixture
 205 def place_postcode_row(place_postcode_table, temp_db_cursor):
 206     """ A factory for rows in the place table. The table is created as a
 207         prerequisite to the fixture.
 208     """
 209     idseq = itertools.count(5001)
 210     def _insert(osm_type='N', osm_id=None, postcode=None, country=None,
 211                 centroid=None, geom=None):
 212         temp_db_cursor.execute("INSERT INTO place_postcode VALUES (%s, %s, %s, %s, %s, %s)",
 213                                (osm_type, osm_id or next(idseq),
 214                                 postcode, country,
 215                                 _with_srid(centroid, 'POINT(12.0 4.0)'),
 216                                 _with_srid(geom)))
 217
 218     return _insert
 219
 220
 221 @pytest.fixture
 222 def placex_table(temp_db_with_extensions, temp_db_conn):
 223     """ Create an empty version of the place table.
 224     """
 225     return mocks.MockPlacexTable(temp_db_conn)
 226
 227
 228 @pytest.fixture
 229 def osmline_table(temp_db_with_extensions, table_factory):
 230     table_factory('location_property_osmline',
 231                   """place_id BIGINT,
 232                      osm_id BIGINT,
 233                      parent_place_id BIGINT,
 234                      geometry_sector INTEGER,
 235                      indexed_date TIMESTAMP,
 236                      startnumber INTEGER,
 237                      endnumber INTEGER,
 238                      partition SMALLINT,
 239                      indexed_status SMALLINT,
 240                      linegeo GEOMETRY,
 241                      interpolationtype TEXT,
 242                      address HSTORE,
 243                      postcode TEXT,
 244                      country_code VARCHAR(2)""")
 245
 246
 247 @pytest.fixture
 248 def sql_preprocessor_cfg(tmp_path, table_factory, temp_db_with_extensions):
 249     table_factory('country_name', 'partition INT', ((0, ), (1, ), (2, )))
 250     cfg = Configuration(None)
 251     cfg.set_libdirs(sql=tmp_path)
 252     return cfg
 253
 254
 255 @pytest.fixture
 256 def sql_preprocessor(sql_preprocessor_cfg, temp_db_conn):
 257     return SQLPreprocessor(temp_db_conn, sql_preprocessor_cfg)
 258
 259
 260 @pytest.fixture
 261 def tokenizer_mock(monkeypatch, property_table):
 262     """ Sets up the configuration so that the test dummy tokenizer will be
 263         loaded when the tokenizer factory is used. Also returns a factory
 264         with which a new dummy tokenizer may be created.
 265     """
 266     monkeypatch.setenv('NOMINATIM_TOKENIZER', 'dummy')
 267
 268     def _import_dummy(*args, **kwargs):
 269         return dummy_tokenizer
 270
 271     monkeypatch.setattr(nominatim_db.tokenizer.factory,
 272                         "_import_tokenizer", _import_dummy)
 273     property_table.set('tokenizer', 'dummy')
 274
 275     def _create_tokenizer():
 276         return dummy_tokenizer.DummyTokenizer(None)
 277
 278     return _create_tokenizer