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# This file is part of h5py, a Python interface to the HDF5 library. | |
# | |
# http://www.h5py.org | |
# | |
# Copyright 2008-2013 Andrew Collette and contributors | |
# | |
# License: Standard 3-clause BSD; see "license.txt" for full license terms | |
# and contributor agreement. | |
""" | |
Tests the h5py.File object. | |
""" | |
import threading | |
import h5py | |
def _access_not_existing_object(filename): | |
"""Create a file and access not existing key""" | |
with h5py.File(filename, 'w') as newfile: | |
try: | |
doesnt_exist = newfile['doesnt_exist'].value | |
except KeyError: | |
pass | |
def test_unsilence_errors(tmp_path, capfd): | |
"""Check that HDF5 errors can be muted/unmuted from h5py""" | |
filename = tmp_path / 'test.h5' | |
# Unmute HDF5 errors | |
try: | |
h5py._errors.unsilence_errors() | |
_access_not_existing_object(filename) | |
captured = capfd.readouterr() | |
assert captured.err != '' | |
assert captured.out == '' | |
# Mute HDF5 errors | |
finally: | |
h5py._errors.silence_errors() | |
_access_not_existing_object(filename) | |
captured = capfd.readouterr() | |
assert captured.err == '' | |
assert captured.out == '' | |
def test_thread_hdf5_silence_error_membership(tmp_path, capfd): | |
"""Verify the error printing is squashed in all threads. | |
No console messages should be shown from membership tests | |
""" | |
th = threading.Thread(target=_access_not_existing_object, | |
args=(tmp_path / 'test.h5',)) | |
th.start() | |
th.join() | |
captured = capfd.readouterr() | |
assert captured.err == '' | |
assert captured.out == '' | |
def test_thread_hdf5_silence_error_attr(tmp_path, capfd): | |
"""Verify the error printing is squashed in all threads. | |
No console messages should be shown for non-existing attributes | |
""" | |
def test(): | |
with h5py.File(tmp_path/'test.h5', 'w') as newfile: | |
newfile['newdata'] = [1, 2, 3] | |
try: | |
nonexistent_attr = newfile['newdata'].attrs['nonexistent_attr'] | |
except KeyError: | |
pass | |
th = threading.Thread(target=test) | |
th.start() | |
th.join() | |
captured = capfd.readouterr() | |
assert captured.err == '' | |
assert captured.out == '' | |