def test_incorrect_signature(self):
"""
Tests extracting signature information when the signature itself is
wrong.
"""
with self.settings(PTS_KEYRING_DIRECTORY=self.TEST_KEYRING_DIRECTORY):
self.assertIsNone(verify_signature(b"This is not a signature"))
def test_signed_message_unknown_key(self):
"""
Tests extracting the signature from a correctly signed message when the
signer is not found in the keyring.
"""
with self.settings(PTS_KEYRING_DIRECTORY=self.TEST_KEYRING_DIRECTORY):
file_path = self.get_test_file_path('signed-message')
with open(file_path, 'rb') as f:
self.assertSequenceEqual([], verify_signature(f.read()))
def test_signed_message(self):
"""
Tests extracting the signature from a correctly signed message when the
signer is found in the keyring.
"""
with self.settings(PTS_KEYRING_DIRECTORY=self.TEST_KEYRING_DIRECTORY):
self.import_key_from_test_file('key1.pub')
file_path = self.get_test_file_path('signed-message')
expected = [
('PTS Tests', '*****@*****.**')
]
with open(file_path, 'rb') as f:
self.assertEqual(expected, verify_signature(f.read()))
def test_utf8_content(self):
"""
Tests extracting the signature from a message passed as unicode text
instead of bytes.
"""
with self.settings(PTS_KEYRING_DIRECTORY=self.TEST_KEYRING_DIRECTORY):
self.import_key_from_test_file('key1.pub')
file_path = self.get_test_file_path('signed-message')
expected = [
('PTS Tests', '*****@*****.**')
]
with open(file_path, 'rb') as f:
content = f.read().decode('utf-8')
self.assertEqual(expected, verify_signature(content))
