text: from pathlib import Path
  import os
  
  import pytest
  
  from addok import db, ds
  
  
  def test_connection_port_is_not_default_one():
      assert db.DB.connection_pool.connection_kwargs['db'] == 14
      assert ds._DB.connection_pool.connection_kwargs['db'] == 15
  
  
  def test_config_on_load_is_called_on_config_load():
      from addok.config import Config
      config = Config()
  
      @config.on_load
      def on_load():
          on_load.called = True
  
      config.load()
      assert on_load.called
  
      on_load.called = False
  
      # config should not reload if already loaded.
      config.load()
      assert not on_load.called
  
  
  def test_local_config_has_been_loaded(config):
      # See addok/config/test.py
      assert config.COMMON_THRESHOLD == 1000
  
  
  def test_config_does_not_fail_if_local_path_does_not_exist(capsys):
      os.environ['ADDOK_CONFIG_MODULE'] = 'dummy/path.py'
      from addok.config import Config
      config = Config()
      config.load()
      out, err = capsys.readouterr()
      assert 'No local config file found' in out
      os.environ['ADDOK_CONFIG_MODULE'] = ''
  
  
  def test_config_load_exit_if_local_file_is_invalid():
      path = str(Path(__file__).parent / 'invalid_config.py')
      os.environ['ADDOK_CONFIG_MODULE'] = path
      from addok.config import Config
      config = Config()
      with pytest.raises(SystemExit) as err:
          config.load()
          assert 'Unable to import' in err
      os.environ['ADDOK_CONFIG_MODULE'] = ''
  