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Increased pbkdf2 scaling test vectors to lower chance of false test f…

…ailures.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17308 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 1fed65224f2b5912f8d28cf6de47577f287088e9 1 parent ffb0519
@PaulMcMillan PaulMcMillan authored
Showing with 3 additions and 1 deletion.
  1. +3 −1 tests/regressiontests/utils/crypto.py
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4 tests/regressiontests/utils/crypto.py
@@ -125,9 +125,11 @@ def test_performance_scalability(self):
Theory: If you run with 100 iterations, it should take 100
times as long as running with 1 iteration.
"""
- n1, n2 = 100, 10000
+ n1, n2 = 1000, 100000
elapsed = lambda f: timeit.Timer(f, 'from django.utils.crypto import pbkdf2').timeit(number=1)
t1 = elapsed('pbkdf2("password", "salt", iterations=%d)' % n1)
t2 = elapsed('pbkdf2("password", "salt", iterations=%d)' % n2)
measured_scale_exponent = math.log(t2 / t1, n2 / n1)
+ #This should be less than 1. We allow up to 1.1 so that tests don't
+ #fail nondeterministically too often.
self.assertLess(measured_scale_exponent, 1.1)
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