conftest.py
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# Pytest customization
import os
import pytest
import warnings
from distutils.version import LooseVersion
import numpy as np
from scipy._lib._fpumode import get_fpu_mode
from scipy._lib._testutils import FPUModeChangeWarning
def pytest_configure(config):
config.addinivalue_line("markers",
"slow: Tests that are very slow.")
config.addinivalue_line("markers",
"xslow: mark test as extremely slow (not run unless explicitly requested)")
config.addinivalue_line("markers",
"xfail_on_32bit: mark test as failing on 32-bit platforms")
def _get_mark(item, name):
if LooseVersion(pytest.__version__) >= LooseVersion("3.6.0"):
mark = item.get_closest_marker(name)
else:
mark = item.get_marker(name)
return mark
def pytest_runtest_setup(item):
mark = _get_mark(item, "xslow")
if mark is not None:
try:
v = int(os.environ.get('SCIPY_XSLOW', '0'))
except ValueError:
v = False
if not v:
pytest.skip("very slow test; set environment variable SCIPY_XSLOW=1 to run it")
mark = _get_mark(item, 'xfail_on_32bit')
if mark is not None and np.intp(0).itemsize < 8:
pytest.xfail('Fails on our 32-bit test platform(s): %s' % (mark.args[0],))
@pytest.fixture(scope="function", autouse=True)
def check_fpu_mode(request):
"""
Check FPU mode was not changed during the test.
"""
old_mode = get_fpu_mode()
yield
new_mode = get_fpu_mode()
if old_mode != new_mode:
warnings.warn("FPU mode changed from {0:#x} to {1:#x} during "
"the test".format(old_mode, new_mode),
category=FPUModeChangeWarning, stacklevel=0)