def test_sign_request_with_issuer(self):
root = Element(Q_NAMES['saml2p:AuthnRequest'])
SubElement(root, Q_NAMES['saml2:Issuer'])
request = SAMLRequest(ElementTree(root))
request.sign_request(**SIGNATURE_OPTIONS)
self.assertIsNotNone(request.request_signature)
self.assertEqual(root.index(request.request_signature), 1)
def test_sign_request_already_exists(self):
root = Element(Q_NAMES['saml2p:AuthnRequest'])
signature = SubElement(root, Q_NAMES['ds:Signature'])
SubElement(root, Q_NAMES['saml2:Issuer'])
request = SAMLRequest(ElementTree(root))
with self.assertRaisesMessage(SecurityError,
'Request signature already exists.'):
request.sign_request(**SIGNATURE_OPTIONS)
self.assertIs(request.request_signature, signature)