def test_key_id(self, app_identity_mock):
app_identity_mock.sign_blob.return_value = (
mock.sentinel.key_id, mock.sentinel.signature)
signer = app_engine.Signer()
assert signer.key_id is None
def test_sign(self, app_identity_mock):
app_identity_mock.sign_blob.return_value = (
mock.sentinel.key_id, mock.sentinel.signature)
signer = app_engine.Signer()
to_sign = b'123'
signature = signer.sign(to_sign)
assert signature == mock.sentinel.signature
app_identity_mock.sign_blob.assert_called_with(to_sign)