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