29 lines
805 B
Python
29 lines
805 B
Python
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import numpy as np
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import pytest
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# add a commandline option to pytest
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def pytest_addoption(parser):
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"""Add random seed option to py.test.
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"""
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parser.addoption('--seed', dest='seed', type=int, action='store',
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help='set random seed')
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# configure pytest to automatically set the rnd seed if not passed on CLI
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def pytest_configure(config):
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seed = config.getvalue("seed")
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# if seed was not set by the user, we set one now
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if seed is None or seed == ('NO', 'DEFAULT'):
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config.option.seed = int(np.random.randint(2 ** 31 - 1))
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def pytest_report_header(config):
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return f'Using random seed: {config.option.seed}'
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@pytest.fixture
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def random_state(request):
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random_state = np.random.RandomState(request.config.option.seed)
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return random_state
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