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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 == ''
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