120 lines
3.9 KiB
Python
120 lines
3.9 KiB
Python
"""
|
|
Pytest configuration and fixtures for the Numpy test suite.
|
|
"""
|
|
import os
|
|
import tempfile
|
|
|
|
import hypothesis
|
|
import pytest
|
|
import numpy
|
|
|
|
from numpy.core._multiarray_tests import get_fpu_mode
|
|
|
|
|
|
_old_fpu_mode = None
|
|
_collect_results = {}
|
|
|
|
# Use a known and persistent tmpdir for hypothesis' caches, which
|
|
# can be automatically cleared by the OS or user.
|
|
hypothesis.configuration.set_hypothesis_home_dir(
|
|
os.path.join(tempfile.gettempdir(), ".hypothesis")
|
|
)
|
|
|
|
# We register two custom profiles for Numpy - for details see
|
|
# https://hypothesis.readthedocs.io/en/latest/settings.html
|
|
# The first is designed for our own CI runs; the latter also
|
|
# forces determinism and is designed for use via np.test()
|
|
hypothesis.settings.register_profile(
|
|
name="numpy-profile", deadline=None, print_blob=True,
|
|
)
|
|
hypothesis.settings.register_profile(
|
|
name="np.test() profile",
|
|
deadline=None, print_blob=True, database=None, derandomize=True,
|
|
suppress_health_check=hypothesis.HealthCheck.all(),
|
|
)
|
|
# Note that the default profile is chosen based on the presence
|
|
# of pytest.ini, but can be overriden by passing the
|
|
# --hypothesis-profile=NAME argument to pytest.
|
|
_pytest_ini = os.path.join(os.path.dirname(__file__), "..", "pytest.ini")
|
|
hypothesis.settings.load_profile(
|
|
"numpy-profile" if os.path.isfile(_pytest_ini) else "np.test() profile"
|
|
)
|
|
|
|
|
|
def pytest_configure(config):
|
|
config.addinivalue_line("markers",
|
|
"valgrind_error: Tests that are known to error under valgrind.")
|
|
config.addinivalue_line("markers",
|
|
"leaks_references: Tests that are known to leak references.")
|
|
config.addinivalue_line("markers",
|
|
"slow: Tests that are very slow.")
|
|
config.addinivalue_line("markers",
|
|
"slow_pypy: Tests that are very slow on pypy.")
|
|
|
|
|
|
def pytest_addoption(parser):
|
|
parser.addoption("--available-memory", action="store", default=None,
|
|
help=("Set amount of memory available for running the "
|
|
"test suite. This can result to tests requiring "
|
|
"especially large amounts of memory to be skipped. "
|
|
"Equivalent to setting environment variable "
|
|
"NPY_AVAILABLE_MEM. Default: determined"
|
|
"automatically."))
|
|
|
|
|
|
def pytest_sessionstart(session):
|
|
available_mem = session.config.getoption('available_memory')
|
|
if available_mem is not None:
|
|
os.environ['NPY_AVAILABLE_MEM'] = available_mem
|
|
|
|
|
|
#FIXME when yield tests are gone.
|
|
@pytest.hookimpl()
|
|
def pytest_itemcollected(item):
|
|
"""
|
|
Check FPU precision mode was not changed during test collection.
|
|
|
|
The clumsy way we do it here is mainly necessary because numpy
|
|
still uses yield tests, which can execute code at test collection
|
|
time.
|
|
"""
|
|
global _old_fpu_mode
|
|
|
|
mode = get_fpu_mode()
|
|
|
|
if _old_fpu_mode is None:
|
|
_old_fpu_mode = mode
|
|
elif mode != _old_fpu_mode:
|
|
_collect_results[item] = (_old_fpu_mode, mode)
|
|
_old_fpu_mode = mode
|
|
|
|
|
|
@pytest.fixture(scope="function", autouse=True)
|
|
def check_fpu_mode(request):
|
|
"""
|
|
Check FPU precision mode was not changed during the test.
|
|
"""
|
|
old_mode = get_fpu_mode()
|
|
yield
|
|
new_mode = get_fpu_mode()
|
|
|
|
if old_mode != new_mode:
|
|
raise AssertionError("FPU precision mode changed from {0:#x} to {1:#x}"
|
|
" during the test".format(old_mode, new_mode))
|
|
|
|
collect_result = _collect_results.get(request.node)
|
|
if collect_result is not None:
|
|
old_mode, new_mode = collect_result
|
|
raise AssertionError("FPU precision mode changed from {0:#x} to {1:#x}"
|
|
" when collecting the test".format(old_mode,
|
|
new_mode))
|
|
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def add_np(doctest_namespace):
|
|
doctest_namespace['np'] = numpy
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def env_setup(monkeypatch):
|
|
monkeypatch.setenv('PYTHONHASHSEED', '0')
|