st_common.py 2.1 KB

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  1. # -*- coding: utf-8 -*-
  2. #
  3. # SelfTest/st_common.py: Common functions for SelfTest modules
  4. #
  5. # Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
  6. #
  7. # ===================================================================
  8. # The contents of this file are dedicated to the public domain. To
  9. # the extent that dedication to the public domain is not available,
  10. # everyone is granted a worldwide, perpetual, royalty-free,
  11. # non-exclusive license to exercise all rights associated with the
  12. # contents of this file for any purpose whatsoever.
  13. # No rights are reserved.
  14. #
  15. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16. # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17. # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18. # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19. # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20. # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21. # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22. # SOFTWARE.
  23. # ===================================================================
  24. """Common functions for SelfTest modules"""
  25. __revision__ = "$Id$"
  26. import unittest
  27. import binascii
  28. import sys
  29. if sys.version_info[0] == 2 and sys.version_info[1] == 1:
  30. from Crypto.Util.py21compat import *
  31. from Crypto.Util.py3compat import *
  32. class _list_testloader(unittest.TestLoader):
  33. suiteClass = list
  34. def list_test_cases(class_):
  35. """Return a list of TestCase instances given a TestCase class
  36. This is useful when you have defined test* methods on your TestCase class.
  37. """
  38. return _list_testloader().loadTestsFromTestCase(class_)
  39. def strip_whitespace(s):
  40. """Remove whitespace from a text or byte string"""
  41. if isinstance(s,str):
  42. return b("".join(s.split()))
  43. else:
  44. return b("").join(s.split())
  45. def a2b_hex(s):
  46. """Convert hexadecimal to binary, ignoring whitespace"""
  47. return binascii.a2b_hex(strip_whitespace(s))
  48. def b2a_hex(s):
  49. """Convert binary to hexadecimal"""
  50. # For completeness
  51. return binascii.b2a_hex(s)
  52. # vim:set ts=4 sw=4 sts=4 expandtab: