Files
Nominatim/test/python/test_tools_database_import.py
Sarah Hoffmann 32683f73c7 move import-data option to native python
This adds a new dependecy to the Python psutil package.
2021-02-25 18:42:54 +01:00

137 lines
4.5 KiB
Python

"""
Tests for functions to import a new database.
"""
import pytest
import psycopg2
import sys
from pathlib import Path
from nominatim.tools import database_import
from nominatim.errors import UsageError
@pytest.fixture
def nonexistant_db():
dbname = '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(dbname))
yield dbname
with conn.cursor() as cur:
cur.execute('DROP DATABASE IF EXISTS {}'.format(dbname))
def test_create_db_success(nonexistant_db):
database_import.create_db('dbname=' + nonexistant_db, rouser='www-data')
conn = psycopg2.connect(database=nonexistant_db)
conn.close()
def test_create_db_already_exists(temp_db):
with pytest.raises(UsageError):
database_import.create_db('dbname=' + temp_db)
def test_create_db_unsupported_version(nonexistant_db, monkeypatch):
monkeypatch.setattr(database_import, 'POSTGRESQL_REQUIRED_VERSION', (100, 4))
with pytest.raises(UsageError, match='PostgreSQL server is too old.'):
database_import.create_db('dbname=' + nonexistant_db)
def test_create_db_missing_ro_user(nonexistant_db):
with pytest.raises(UsageError, match='Missing read-only user.'):
database_import.create_db('dbname=' + nonexistant_db, rouser='sdfwkjkjgdugu2;jgsafkljas;')
def test_setup_extensions(temp_db_conn, temp_db_cursor):
database_import.setup_extensions(temp_db_conn)
temp_db_cursor.execute('CREATE TABLE t (h HSTORE, geom GEOMETRY(Geometry, 4326))')
def test_setup_extensions_old_postgis(temp_db_conn, monkeypatch):
monkeypatch.setattr(database_import, 'POSTGIS_REQUIRED_VERSION', (50, 50))
with pytest.raises(UsageError, match='PostGIS version is too old.'):
database_import.setup_extensions(temp_db_conn)
def test_install_module(tmp_path):
src_dir = tmp_path / 'source'
src_dir.mkdir()
(src_dir / 'nominatim.so').write_text('TEST nomiantim.so')
project_dir = tmp_path / 'project'
project_dir.mkdir()
database_import.install_module(src_dir, project_dir, '')
outfile = project_dir / 'module' / 'nominatim.so'
assert outfile.exists()
assert outfile.read_text() == 'TEST nomiantim.so'
assert outfile.stat().st_mode == 33261
def test_import_base_data(src_dir, temp_db, temp_db_cursor):
temp_db_cursor.execute('CREATE EXTENSION hstore')
temp_db_cursor.execute('CREATE EXTENSION postgis')
database_import.import_base_data('dbname=' + temp_db, src_dir / 'data')
assert temp_db_cursor.scalar('SELECT count(*) FROM country_name') > 0
def test_import_base_data_ignore_partitions(src_dir, temp_db, temp_db_cursor):
temp_db_cursor.execute('CREATE EXTENSION hstore')
temp_db_cursor.execute('CREATE EXTENSION postgis')
database_import.import_base_data('dbname=' + temp_db, src_dir / 'data',
ignore_partitions=True)
assert temp_db_cursor.scalar('SELECT count(*) FROM country_name') > 0
assert temp_db_cursor.scalar('SELECT count(*) FROM country_name WHERE partition != 0') == 0
def test_import_osm_data_simple(temp_db_cursor,osm2pgsql_options):
temp_db_cursor.execute('CREATE TABLE place (id INT)')
temp_db_cursor.execute('INSERT INTO place values (1)')
database_import.import_osm_data('file.pdf', osm2pgsql_options)
def test_import_osm_data_simple_no_data(temp_db_cursor,osm2pgsql_options):
temp_db_cursor.execute('CREATE TABLE place (id INT)')
with pytest.raises(UsageError, match='No data.*'):
database_import.import_osm_data('file.pdf', osm2pgsql_options)
def test_import_osm_data_drop(temp_db_conn, temp_db_cursor, tmp_path, osm2pgsql_options):
temp_db_cursor.execute('CREATE TABLE place (id INT)')
temp_db_cursor.execute('CREATE TABLE planet_osm_nodes (id INT)')
temp_db_cursor.execute('INSERT INTO place values (1)')
flatfile = tmp_path / 'flatfile'
flatfile.write_text('touch')
osm2pgsql_options['flatnode_file'] = str(flatfile.resolve())
database_import.import_osm_data('file.pdf', osm2pgsql_options, drop=True)
assert not flatfile.exists()
assert not temp_db_conn.table_exists('planet_osm_nodes')
def test_import_osm_data_default_cache(temp_db_cursor,osm2pgsql_options):
temp_db_cursor.execute('CREATE TABLE place (id INT)')
temp_db_cursor.execute('INSERT INTO place values (1)')
osm2pgsql_options['osm2pgsql_cache'] = 0
database_import.import_osm_data(Path(__file__), osm2pgsql_options)