William Grant
55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
import os.path
|
|
import unittest
|
|
|
|
import dkim
|
|
|
|
|
|
def read_test_data(filename):
|
|
"""Get the content of the given test data file.
|
|
|
|
The files live in dkim/tests/data.
|
|
"""
|
|
path = os.path.join(os.path.dirname(__file__), 'data', filename)
|
|
return open(path).read()
|
|
|
|
|
|
class TestFold(unittest.TestCase):
|
|
|
|
def test_short_line(self):
|
|
self.assertEqual(
|
|
"foo", dkim.fold("foo"))
|
|
|
|
def DISABLED_test_long_line(self):
|
|
# The function is terribly broken, not passing even this simple
|
|
# test.
|
|
self.assertEqual(
|
|
"foo"*24 + "\r\n foo", dkim.fold("foo" * 25))
|
|
|
|
|
|
class TestSignAndVerify(unittest.TestCase):
|
|
"""End-to-end signature and verification tests."""
|
|
|
|
def setUp(self):
|
|
self.message = read_test_data("test.message")
|
|
self.key = read_test_data("test.private")
|
|
|
|
def dnsfunc(self, domain):
|
|
self.assertEqual('test._domainkey.example.com.', domain)
|
|
return read_test_data("test.txt")
|
|
|
|
def test_verifies(self):
|
|
# A message verifies after being signed.
|
|
sig = dkim.sign(self.message, "test", "example.com", self.key)
|
|
res = dkim.verify(sig + self.message, dnsfunc=self.dnsfunc)
|
|
self.assertTrue(res)
|
|
|
|
def test_altered_body_fails(self):
|
|
# An altered body fails verification.
|
|
sig = dkim.sign(self.message, "test", "example.com", self.key)
|
|
res = dkim.verify(sig + self.message + "foo", dnsfunc=self.dnsfunc)
|
|
self.assertFalse(res)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|