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"""Tests for josepy.jwa."""
import unittest
import mock
from josepy import errors, test_util
RSA256_KEY = test_util.load_rsa_private_key('rsa256_key.pem')
RSA512_KEY = test_util.load_rsa_private_key('rsa512_key.pem')
RSA1024_KEY = test_util.load_rsa_private_key('rsa1024_key.pem')
class JWASignatureTest(unittest.TestCase):
"""Tests for josepy.jwa.JWASignature."""
def setUp(self):
from josepy.jwa import JWASignature
class MockSig(JWASignature):
# pylint: disable=missing-docstring,too-few-public-methods
# pylint: disable=abstract-class-not-used
def sign(self, key, msg):
raise NotImplementedError() # pragma: no cover
def verify(self, key, msg, sig):
raise NotImplementedError() # pragma: no cover
# pylint: disable=invalid-name
self.Sig1 = MockSig('Sig1')
self.Sig2 = MockSig('Sig2')
def test_eq(self):
self.assertEqual(self.Sig1, self.Sig1)
def test_ne(self):
self.assertNotEqual(self.Sig1, self.Sig2)
def test_ne_other_type(self):
self.assertNotEqual(self.Sig1, 5)
def test_repr(self):
self.assertEqual('Sig1', repr(self.Sig1))
self.assertEqual('Sig2', repr(self.Sig2))
def test_to_partial_json(self):
self.assertEqual(self.Sig1.to_partial_json(), 'Sig1')
self.assertEqual(self.Sig2.to_partial_json(), 'Sig2')
def test_from_json(self):
from josepy.jwa import JWASignature
from josepy.jwa import RS256
self.assertTrue(JWASignature.from_json('RS256') is RS256)
class JWAHSTest(unittest.TestCase): # pylint: disable=too-few-public-methods
def test_it(self):
from josepy.jwa import HS256
sig = (
b"\xceR\xea\xcd\x94\xab\xcf\xfb\xe0\xacA.:\x1a'\x08i\xe2\xc4"
b"\r\x85+\x0e\x85\xaeUZ\xd4\xb3\x97zO"
)
self.assertEqual(HS256.sign(b'some key', b'foo'), sig)
self.assertTrue(HS256.verify(b'some key', b'foo', sig) is True)
self.assertTrue(HS256.verify(b'some key', b'foo', sig + b'!') is False)
class JWARSTest(unittest.TestCase):
def test_sign_no_private_part(self):
from josepy.jwa import RS256
self.assertRaises(
errors.Error, RS256.sign, RSA512_KEY.public_key(), b'foo')
def test_sign_key_too_small(self):
from josepy.jwa import RS256
from josepy.jwa import PS256
self.assertRaises(errors.Error, RS256.sign, RSA256_KEY, b'foo')
self.assertRaises(errors.Error, PS256.sign, RSA256_KEY, b'foo')
def test_rs(self):
from josepy.jwa import RS256
sig = (
b'|\xc6\xb2\xa4\xab(\x87\x99\xfa*:\xea\xf8\xa0N&}\x9f\x0f\xc0O'
b'\xc6t\xa3\xe6\xfa\xbb"\x15Y\x80Y\xe0\x81\xb8\x88)\xba\x0c\x9c'
b'\xa4\x99\x1e\x19&\xd8\xc7\x99S\x97\xfc\x85\x0cOV\xe6\x07\x99'
b'\xd2\xb9.>}\xfd'
)
self.assertEqual(RS256.sign(RSA512_KEY, b'foo'), sig)
self.assertTrue(RS256.verify(RSA512_KEY.public_key(), b'foo', sig))
self.assertFalse(RS256.verify(
RSA512_KEY.public_key(), b'foo', sig + b'!'))
def test_ps(self):
from josepy.jwa import PS256
sig = PS256.sign(RSA1024_KEY, b'foo')
self.assertTrue(PS256.verify(RSA1024_KEY.public_key(), b'foo', sig))
self.assertFalse(PS256.verify(
RSA1024_KEY.public_key(), b'foo', sig + b'!'))
def test_sign_new_api(self):
from josepy.jwa import RS256
key = mock.MagicMock()
RS256.sign(key, "message")
self.assertTrue(key.sign.called)
def test_sign_old_api(self):
from josepy.jwa import RS256
key = mock.MagicMock(spec=[u'signer'])
signer = mock.MagicMock()
key.signer.return_value = signer
RS256.sign(key, "message")
self.assertTrue(all([
key.signer.called,
signer.update.called,
signer.finalize.called]))
def test_verify_new_api(self):
from josepy.jwa import RS256
key = mock.MagicMock()
RS256.verify(key, "message", "signature")
self.assertTrue(key.verify.called)
def test_verify_old_api(self):
from josepy.jwa import RS256
key = mock.MagicMock(spec=[u'verifier'])
verifier = mock.MagicMock()
key.verifier.return_value = verifier
RS256.verify(key, "message", "signature")
self.assertTrue(all([
key.verifier.called,
verifier.update.called,
verifier.verify.called]))
if __name__ == '__main__':
unittest.main() # pragma: no cover
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