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# -*- coding: utf-8 -*-
#
# SelfTest/__init__.py: Self-test for PyCrypto
#
# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
#
# ===================================================================
# The contents of this file are dedicated to the public domain. To
# the extent that dedication to the public domain is not available,
# everyone is granted a worldwide, perpetual, royalty-free,
# non-exclusive license to exercise all rights associated with the
# contents of this file for any purpose whatsoever.
# No rights are reserved.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# ===================================================================
"""Self tests
These tests should perform quickly and can ideally be used every time an
application runs.
"""
import sys
import unittest
from importlib import import_module
from Cryptodome.Util.py3compat import StringIO
class SelfTestError(Exception):
def __init__(self, message, result):
Exception.__init__(self, message, result)
self.message = message
self.result = result
def run(module=None, verbosity=0, stream=None, tests=None, config=None, **kwargs):
"""Execute self-tests.
This raises SelfTestError if any test is unsuccessful.
You may optionally pass in a sub-module of SelfTest if you only want to
perform some of the tests. For example, the following would test only the
hash modules:
Cryptodome.SelfTest.run(Cryptodome.SelfTest.Hash)
"""
if config is None:
config = {}
suite = unittest.TestSuite()
if module is None:
if tests is None:
tests = get_tests(config=config)
suite.addTests(tests)
else:
if tests is None:
suite.addTests(module.get_tests(config=config))
else:
raise ValueError("'module' and 'tests' arguments are mutually exclusive")
if stream is None:
kwargs['stream'] = StringIO()
else:
kwargs['stream'] = stream
runner = unittest.TextTestRunner(verbosity=verbosity, **kwargs)
result = runner.run(suite)
if not result.wasSuccessful():
if stream is None:
sys.stderr.write(kwargs['stream'].getvalue())
raise SelfTestError("Self-test failed", result)
return result
def get_tests(config={}):
tests = []
module_names = [
"Cipher", "Hash", "Protocol", "PublicKey", "Random",
"Util", "Signature", "IO", "Math",
]
for name in module_names:
module = import_module("Cryptodome.SelfTest." + name)
tests += module.get_tests(config=config)
return tests
if __name__ == '__main__':
def suite():
return unittest.TestSuite(get_tests())
unittest.main(defaultTest='suite')
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