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swh/web/tests/test_random_fixtures.py
- This file was added.
| # Copyright (C) 2021 The Software Heritage developers | |||||
| # See the AUTHORS file at the top-level directory of this distribution | |||||
| # License: GNU Affero General Public License version 3, or any later version | |||||
| # See top-level LICENSE file for more information | |||||
| import os | |||||
| import subprocess | |||||
| def test_random_fixtures(): | |||||
| """Check random fixture values will be different when random seed | |||||
| is not explicitly provided/ | |||||
| """ | |||||
| result_first = subprocess.run( | |||||
| ["pytest", "-s", "random_fixtures_test.py"], | |||||
| capture_output=True, | |||||
| cwd=os.path.dirname(__file__), | |||||
| ) | |||||
| result_second = subprocess.run( | |||||
| ["pytest", "-s", "random_fixtures_test.py"], | |||||
| capture_output=True, | |||||
| cwd=os.path.dirname(__file__), | |||||
| ) | |||||
| assert result_first.stderr != result_second.stderr | |||||
| assert b'Use "pytest --swh-web-random-seed=' in result_first.stdout | |||||
| def test_random_fixtures_with_seed(): | |||||
| """Check random fixture values will be the same when random seed | |||||
| is explicitly provided through a custom pytest option. | |||||
| """ | |||||
| result_first = subprocess.run( | |||||
| ["pytest", "-s", "--swh-web-random-seed=2021", "random_fixtures_test.py"], | |||||
| capture_output=True, | |||||
| cwd=os.path.dirname(__file__), | |||||
| ) | |||||
| result_second = subprocess.run( | |||||
| ["pytest", "-s", "--swh-web-random-seed=2021", "random_fixtures_test.py"], | |||||
| capture_output=True, | |||||
| cwd=os.path.dirname(__file__), | |||||
| ) | |||||
| assert result_first.stderr == result_second.stderr | |||||
| assert b'Use "pytest --swh-web-random-seed=2021' in result_first.stdout | |||||