+"""
+Tests for functions to maintain the artificial postcode table.
+"""
+
+import pytest
+
+from nominatim.tools import postcodes
+
+@pytest.fixture
+def postcode_table(temp_db_with_extensions, temp_db_cursor, table_factory,
+ placex_table, word_table):
+ table_factory('location_postcode',
+ """ place_id BIGINT,
+ parent_place_id BIGINT,
+ rank_search SMALLINT,
+ rank_address SMALLINT,
+ indexed_status SMALLINT,
+ indexed_date TIMESTAMP,
+ country_code varchar(2),
+ postcode TEXT,
+ geometry GEOMETRY(Geometry, 4326)""")
+ temp_db_cursor.execute('CREATE SEQUENCE seq_place')
+ temp_db_cursor.execute("""CREATE OR REPLACE FUNCTION getorcreate_postcode_id(postcode TEXT)
+ RETURNS INTEGER AS $$ BEGIN RETURN 1; END; $$ LANGUAGE plpgsql;
+ """)
+
+
+def test_import_postcodes_empty(dsn, temp_db_cursor, postcode_table, tmp_path):
+ postcodes.import_postcodes(dsn, tmp_path)
+
+ assert temp_db_cursor.table_exists('gb_postcode')
+ assert temp_db_cursor.table_exists('us_postcode')
+ assert temp_db_cursor.table_rows('location_postcode') == 0
+
+
+def test_import_postcodes_from_placex(dsn, temp_db_cursor, postcode_table, tmp_path):
+ temp_db_cursor.execute("""
+ INSERT INTO placex (place_id, country_code, address, geometry)
+ VALUES (1, 'xx', '"postcode"=>"9486"', 'SRID=4326;POINT(10 12)')
+ """)
+
+ postcodes.import_postcodes(dsn, tmp_path)
+
+ rows = temp_db_cursor.row_set(""" SELECT postcode, country_code,
+ ST_X(geometry), ST_Y(geometry)
+ FROM location_postcode""")
+ print(rows)
+ assert len(rows) == 1
+ assert rows == set((('9486', 'xx', 10, 12), ))
+