Differential D2630 Diff 15804 trunk/source/tools/lobbybots/tests/test_lobby_ranking.py

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trunk/source/tools/lobbybots/tests/test_lobby_ranking.py

				# Copyright (C) 2021 Wildfire Games.
				# This file is part of 0 A.D.
				#
				# 0 A.D. is free software: you can redistribute it and/or modify
				# it under the terms of the GNU General Public License as published by
				# the Free Software Foundation, either version 2 of the License, or
				# (at your option) any later version.
				#
				# 0 A.D. is distributed in the hope that it will be useful,
				# but WITHOUT ANY WARRANTY; without even the implied warranty of
				# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				# GNU General Public License for more details.
				#
				# You should have received a copy of the GNU General Public License
				# along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.

				# pylint: disable=no-self-use

				"""Tests for the database schema."""

				import sys

				from argparse import Namespace
				from unittest import TestCase
				from unittest.mock import Mock, patch

				from parameterized import parameterized

				from xpartamupp.lobby_ranking import main, parse_args


				class TestArgumentParsing(TestCase):
				"""Test handling of parsing command line parameters."""

				@parameterized.expand([
				(['create'], Namespace(action='create', database_url='sqlite:///lobby_rankings.sqlite3')),
				(['--database-url', 'sqlite:////tmp/db.sqlite3', 'create'],
				Namespace(action='create', database_url='sqlite:////tmp/db.sqlite3')),
				])
				def test_valid(self, cmd_args, expected_args):
				"""Test valid parameter combinations."""
				self.assertEqual(parse_args(cmd_args), expected_args)

				@parameterized.expand([
				([],),
				(['--database-url=sqlite:////tmp/db.sqlite3'],),
				])
				def test_missing_action(self, cmd_args):
				"""Test invalid parameter combinations."""
				with self.assertRaises(SystemExit):
				parse_args(cmd_args)


				class TestMain(TestCase):
				"""Test main method."""

				def test_success(self):
				"""Test successful execution."""
				with patch('xpartamupp.lobby_ranking.parse_args') as args_mock, \
				patch('xpartamupp.lobby_ranking.create_engine') as create_engine_mock, \
				patch('xpartamupp.lobby_ranking.Base') as declarative_base_mock:
				args_mock.return_value = Mock(action='create',
				database_url='sqlite:///lobby_rankings.sqlite3')
				engine_mock = Mock()
				create_engine_mock.return_value = engine_mock
				main()
				args_mock.assert_called_once_with(sys.argv[1:])
				create_engine_mock.assert_called_once_with(
				'sqlite:///lobby_rankings.sqlite3')
				declarative_base_mock.metadata.create_all.assert_any_call(engine_mock)