[Python-checkins] CVS: python/dist/src/Lib/test test_hmac.py,1.1,1.2

[A.M. Kuchling]

Update of /cvsroot/python/python/dist/src/Lib/test
In directory usw-pr-cvs1:/tmp/cvs-serv17666

Modified Files:
	test_hmac.py 
Log Message:
[Patch #477336] Add an extensive PyUnit based testsuite for the hmac 
	module


Index: test_hmac.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_hmac.py,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** test_hmac.py	2001/09/11 15:54:16	1.1
--- test_hmac.py	2001/11/02 21:49:59	1.2
***************
*** 1,2 ****
  import hmac
! hmac.test()
--- 1,109 ----
  import hmac
! import unittest
! import test_support
! 
! class TestVectorsTestCase(unittest.TestCase):
!     def test_vectors(self):
!         """Test the HMAC module against test vectors from the RFC."""
! 
!         def md5test(key, data, digest):
!             h = hmac.HMAC(key, data)
!             self.failUnless(h.hexdigest().upper() == digest.upper())
! 
!         md5test(chr(0x0b) * 16,
!                 "Hi There",
!                 "9294727A3638BB1C13F48EF8158BFC9D")
! 
!         md5test("Jefe",
!                 "what do ya want for nothing?",
!                 "750c783e6ab0b503eaa86e310a5db738")
! 
!         md5test(chr(0xAA)*16,
!                 chr(0xDD)*50,
!                 "56be34521d144c88dbb8c733f0e8b3f6")
! 
! class ConstructorTestCase(unittest.TestCase):
!     def test_normal(self):
!         """Standard constructor call."""
!         failed = 0
!         try:
!             h = hmac.HMAC("key")
!         except:
!             self.fail("Standard constructor call raised exception.")
! 
!     def test_withtext(self):
!         """Constructor call with text."""
!         try:
!             h = hmac.HMAC("key", "hash this!")
!         except:
!             self.fail("Constructor call with text argument raised exception.")
! 
!     def test_withmodule(self):
!         """Constructor call with text and digest module."""
!         import sha
!         try:
!             h = hmac.HMAC("key", "", sha)
!         except:
!             self.fail("Constructor call with sha module raised exception.")
!         
! class SanityTestCase(unittest.TestCase):
!     def test_default_is_md5(self):
!         """Testing if HMAC defaults to MD5 algorithm."""
!         import md5
!         h = hmac.HMAC("key")
!         self.failUnless(h.digestmod == md5)
! 
!     def test_exercise_all_methods(self):
!         """Exercising all methods once."""
!         # This must not raise any exceptions
!         try:
!             h = hmac.HMAC("my secret key")
!             h.update("compute the hash of this text!")
!             dig = h.digest()
!             dig = h.hexdigest()
!             h2 = h.copy()
!         except:
!             fail("Exception raised during normal usage of HMAC class.")
! 
! class CopyTestCase(unittest.TestCase):
!     def test_attributes(self):
!         """Testing if attributes are of same type."""
!         h1 = hmac.HMAC("key")
!         h2 = h1.copy()
!         self.failUnless(h1.digestmod == h2.digestmod,
!             "Modules don't match.")
!         self.failUnless(type(h1.inner) == type(h2.inner),
!             "Types of inner don't match.")
!         self.failUnless(type(h1.outer) == type(h2.outer),
!             "Types of outer don't match.")
! 
!     def test_realcopy(self):
!         """Testing if the copy method created a real copy."""
!         h1 = hmac.HMAC("key")
!         h2 = h1.copy()
!         # Using id() in case somebody has overridden __cmp__.
!         self.failUnless(id(h1) != id(h2), "No real copy of the HMAC instance.")
!         self.failUnless(id(h1.inner) != id(h2.inner),
!             "No real copy of the attribute 'inner'.")
!         self.failUnless(id(h1.outer) != id(h2.outer),
!             "No real copy of the attribute 'outer'.")
! 
!     def test_equality(self):
!         """Testing if the copy has the same digests."""
!         h1 = hmac.HMAC("key")
!         h1.update("some random text")
!         h2 = h1.copy()
!         self.failUnless(h1.digest() == h2.digest(),
!             "Digest of copy doesn't match original digest.")
!         self.failUnless(h1.hexdigest() == h2.hexdigest(),
!             "Hexdigest of copy doesn't match original hexdigest.")
! 
! def test_main():
!     test_support.run_unittest(TestVectorsTestCase)
!     test_support.run_unittest(ConstructorTestCase)
!     test_support.run_unittest(SanityTestCase)
!     test_support.run_unittest(CopyTestCase)
! 
! if __name__ == "__main__":
!     test_main()
!