bpo-25172: Add test for crypt ImportError on Windows (GH-15252)

(cherry picked from commit 243a73deee)

Co-authored-by: shireenrao <shireenrao@gmail.com>
This commit is contained in:
Miss Islington (bot) 2019-08-13 14:52:20 -07:00 committed by GitHub
parent 7f7f74734a
commit e7ec9e04c8
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1 changed files with 28 additions and 7 deletions

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@ -1,9 +1,25 @@
import sys
from test import support
import unittest
crypt = support.import_module('crypt')
try:
import crypt
IMPORT_ERROR = None
except ImportError as ex:
crypt = None
IMPORT_ERROR = str(ex)
@unittest.skipIf(crypt, 'This should only run on windows')
class TestWhyCryptDidNotImport(unittest.TestCase):
def test_failure_only_for_windows(self):
self.assertEqual(sys.platform, 'win32')
def test_import_failure_message(self):
self.assertIn('not supported', IMPORT_ERROR)
@unittest.skipUnless(crypt, 'Not supported on Windows')
class CryptTestCase(unittest.TestCase):
def test_crypt(self):
@ -39,9 +55,13 @@ class CryptTestCase(unittest.TestCase):
else:
self.assertEqual(crypt.methods[-1], crypt.METHOD_CRYPT)
@unittest.skipUnless(crypt.METHOD_SHA256 in crypt.methods or
crypt.METHOD_SHA512 in crypt.methods,
'requires support of SHA-2')
@unittest.skipUnless(
crypt
and (
crypt.METHOD_SHA256 in crypt.methods or crypt.METHOD_SHA512 in crypt.methods
),
'requires support of SHA-2',
)
def test_sha2_rounds(self):
for method in (crypt.METHOD_SHA256, crypt.METHOD_SHA512):
for rounds in 1000, 10_000, 100_000:
@ -54,8 +74,9 @@ class CryptTestCase(unittest.TestCase):
cr2 = crypt.crypt('mypassword', cr)
self.assertEqual(cr2, cr)
@unittest.skipUnless(crypt.METHOD_BLOWFISH in crypt.methods,
'requires support of Blowfish')
@unittest.skipUnless(
crypt and crypt.METHOD_BLOWFISH in crypt.methods, 'requires support of Blowfish'
)
def test_blowfish_rounds(self):
for log_rounds in range(4, 11):
salt = crypt.mksalt(crypt.METHOD_BLOWFISH, rounds=1 << log_rounds)