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61 lines
1.6 KiB
Python
61 lines
1.6 KiB
Python
6 years ago
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"""
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Pytest configuration and fixtures for the Numpy test suite.
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"""
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from __future__ import division, absolute_import, print_function
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import pytest
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import numpy
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from numpy.core._multiarray_tests import get_fpu_mode
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_old_fpu_mode = None
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_collect_results = {}
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#FIXME when yield tests are gone.
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@pytest.hookimpl()
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def pytest_itemcollected(item):
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"""
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Check FPU precision mode was not changed during test collection.
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The clumsy way we do it here is mainly necessary because numpy
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still uses yield tests, which can execute code at test collection
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time.
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"""
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global _old_fpu_mode
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mode = get_fpu_mode()
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if _old_fpu_mode is None:
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_old_fpu_mode = mode
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elif mode != _old_fpu_mode:
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_collect_results[item] = (_old_fpu_mode, mode)
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_old_fpu_mode = mode
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@pytest.fixture(scope="function", autouse=True)
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def check_fpu_mode(request):
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"""
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Check FPU precision mode was not changed during the test.
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"""
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old_mode = get_fpu_mode()
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yield
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new_mode = get_fpu_mode()
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if old_mode != new_mode:
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raise AssertionError("FPU precision mode changed from {0:#x} to {1:#x}"
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" during the test".format(old_mode, new_mode))
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collect_result = _collect_results.get(request.node)
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if collect_result is not None:
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old_mode, new_mode = collect_result
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raise AssertionError("FPU precision mode changed from {0:#x} to {1:#x}"
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" when collecting the test".format(old_mode,
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new_mode))
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@pytest.fixture(autouse=True)
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def add_np(doctest_namespace):
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doctest_namespace['np'] = numpy
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