test/python/tools/test_refresh_create_functions.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 """
   8 Tests for creating PL/pgSQL functions for Nominatim.
   9 """
  10 import pytest
  11
  12 from nominatim_db.tools.refresh import create_functions
  13
  14
  15 class TestCreateFunctions:
  16     @pytest.fixture(autouse=True)
  17     def init_env(self, sql_preprocessor, temp_db_conn, def_config, tmp_path):
  18         self.conn = temp_db_conn
  19         self.config = def_config
  20         def_config.lib_dir.sql = tmp_path
  21
  22     def write_functions(self, content):
  23         sqlfile = self.config.lib_dir.sql / 'functions.sql'
  24         sqlfile.write_text(content)
  25
  26     def test_create_functions(self, temp_db_cursor):
  27         self.write_functions("""CREATE OR REPLACE FUNCTION test() RETURNS INTEGER
  28                               AS $$
  29                               BEGIN
  30                                 RETURN 43;
  31                               END;
  32                               $$ LANGUAGE plpgsql IMMUTABLE;
  33                            """)
  34
  35         create_functions(self.conn, self.config)
  36
  37         assert temp_db_cursor.scalar('SELECT test()') == 43
  38
  39     @pytest.mark.parametrize("dbg,ret", ((True, 43), (False, 22)))
  40     def test_create_functions_with_template(self, temp_db_cursor, dbg, ret):
  41         self.write_functions("""CREATE OR REPLACE FUNCTION test() RETURNS INTEGER
  42                               AS $$
  43                               BEGIN
  44                                 {% if debug %}
  45                                 RETURN 43;
  46                                 {% else %}
  47                                 RETURN 22;
  48                                 {% endif %}
  49                               END;
  50                               $$ LANGUAGE plpgsql IMMUTABLE;
  51                            """)
  52
  53         create_functions(self.conn, self.config, enable_debug=dbg)
  54
  55         assert temp_db_cursor.scalar('SELECT test()') == ret