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swh/web/tests/test_random_fixtures.py
| # Copyright (C) 2021 The Software Heritage developers | # Copyright (C) 2021 The Software Heritage developers | ||||
| # See the AUTHORS file at the top-level directory of this distribution | # See the AUTHORS file at the top-level directory of this distribution | ||||
| # License: GNU Affero General Public License version 3, or any later version | # License: GNU Affero General Public License version 3, or any later version | ||||
| # See top-level LICENSE file for more information | # See top-level LICENSE file for more information | ||||
| import os | import os | ||||
| import subprocess | import subprocess | ||||
| pytest_command = ["python3", "-m", "pytest", "-s"] | |||||
| def test_random_fixtures(): | def test_random_fixtures(): | ||||
| """Check random fixture values will be different when random seed | """Check random fixture values will be different when random seed | ||||
| is not explicitly provided. | is not explicitly provided. | ||||
| """ | """ | ||||
| result_first = subprocess.run( | result_first = subprocess.run( | ||||
| ["pytest", "-s", "random_fixtures_test.py"], | [*pytest_command, "random_fixtures_test.py"], | ||||
| capture_output=True, | capture_output=True, | ||||
| cwd=os.path.dirname(__file__), | cwd=os.path.dirname(__file__), | ||||
| ) | ) | ||||
| result_second = subprocess.run( | result_second = subprocess.run( | ||||
| ["pytest", "-s", "random_fixtures_test.py"], | [*pytest_command, "random_fixtures_test.py"], | ||||
| capture_output=True, | capture_output=True, | ||||
| cwd=os.path.dirname(__file__), | cwd=os.path.dirname(__file__), | ||||
| ) | ) | ||||
| assert result_first.stderr != result_second.stderr | assert result_first.stderr != result_second.stderr | ||||
| assert b'Use "pytest --swh-web-random-seed=' in result_first.stdout | assert b'Use "pytest --swh-web-random-seed=' in result_first.stdout | ||||
| def test_random_fixtures_with_seed(): | def test_random_fixtures_with_seed(): | ||||
| """Check random fixture values will be the same when random seed | """Check random fixture values will be the same when random seed | ||||
| is explicitly provided through a custom pytest option. | is explicitly provided through a custom pytest option. | ||||
| """ | """ | ||||
| result_first = subprocess.run( | result_first = subprocess.run( | ||||
| ["pytest", "-s", "--swh-web-random-seed=2021", "random_fixtures_test.py"], | [*pytest_command, "--swh-web-random-seed=2021", "random_fixtures_test.py"], | ||||
| capture_output=True, | capture_output=True, | ||||
| cwd=os.path.dirname(__file__), | cwd=os.path.dirname(__file__), | ||||
| ) | ) | ||||
| result_second = subprocess.run( | result_second = subprocess.run( | ||||
| ["pytest", "-s", "--swh-web-random-seed=2021", "random_fixtures_test.py"], | [*pytest_command, "--swh-web-random-seed=2021", "random_fixtures_test.py"], | ||||
| capture_output=True, | capture_output=True, | ||||
| cwd=os.path.dirname(__file__), | cwd=os.path.dirname(__file__), | ||||
| ) | ) | ||||
| assert result_first.stderr == result_second.stderr | assert result_first.stderr == result_second.stderr | ||||
| assert b'Use "pytest --swh-web-random-seed=2021' in result_first.stdout | assert b'Use "pytest --swh-web-random-seed=2021' in result_first.stdout | ||||