Nominatim/test/python/test_tools_database_import.py
Sarah Hoffmann bef300305e move default country name creation to tokenizer
The new function is also used, when a country us updated. All SQL
function related to country names have been removed.
2021-04-30 11:30:51 +02:00

197 lines
7.1 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))
@pytest.mark.parametrize("no_partitions", (True, False))
def test_setup_skeleton(src_dir, nonexistant_db, no_partitions):
database_import.setup_database_skeleton('dbname=' + nonexistant_db,
src_dir / 'data', no_partitions)
conn = psycopg2.connect(database=nonexistant_db)
try:
with conn.cursor() as cur:
cur.execute("SELECT distinct partition FROM country_name")
partitions = set([r[0] for r in list(cur)])
if no_partitions:
assert partitions == set([0])
else:
assert len(partitions) > 10
finally:
conn.close()
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_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)
def test_truncate_database_tables(temp_db_conn, temp_db_cursor, table_factory):
tables = ('placex', 'place_addressline', 'location_area',
'location_area_country',
'location_property_tiger', 'location_property_osmline',
'location_postcode', 'search_name', 'location_road_23')
for table in tables:
table_factory(table, content=((1, ), (2, ), (3, )))
assert temp_db_cursor.table_rows(table) == 3
database_import.truncate_data_tables(temp_db_conn)
for table in tables:
assert temp_db_cursor.table_rows(table) == 0
@pytest.mark.parametrize("threads", (1, 5))
def test_load_data(dsn, src_dir, place_row, placex_table, osmline_table, word_table,
temp_db_cursor, threads):
for func in ('precompute_words', 'getorcreate_housenumber_id', 'make_standard_name'):
temp_db_cursor.execute("""CREATE FUNCTION {} (src TEXT)
RETURNS TEXT AS $$ SELECT 'a'::TEXT $$ LANGUAGE SQL
""".format(func))
for oid in range(100, 130):
place_row(osm_id=oid)
place_row(osm_type='W', osm_id=342, cls='place', typ='houses',
geom='SRID=4326;LINESTRING(0 0, 10 10)')
database_import.load_data(dsn, threads)
assert temp_db_cursor.table_rows('placex') == 30
assert temp_db_cursor.table_rows('location_property_osmline') == 1
@pytest.mark.parametrize("languages", (None, ' fr,en'))
def test_create_country_names(temp_db_with_extensions, temp_db_conn, temp_db_cursor,
table_factory, tokenizer_mock, languages):
table_factory('country_name', 'country_code varchar(2), name hstore',
content=(('us', '"name"=>"us1","name:af"=>"us2"'),
('fr', '"name"=>"Fra", "name:en"=>"Fren"')))
assert temp_db_cursor.scalar("SELECT count(*) FROM country_name") == 2
tokenizer = tokenizer_mock()
database_import.create_country_names(temp_db_conn, tokenizer, languages)
assert len(tokenizer.analyser_cache['countries']) == 2
result_set = {k: set(v) for k, v in tokenizer.analyser_cache['countries']}
if languages:
assert result_set == {'us' : set(('us', 'us1', 'United States')),
'fr' : set(('fr', 'Fra', 'Fren'))}
else:
assert result_set == {'us' : set(('us', 'us1', 'us2', 'United States')),
'fr' : set(('fr', 'Fra', 'Fren'))}