def test_signed_model(self):
"""
Test is models can be signed, and if the signature is read as valid
"""
model = DatabaseModel()
model.post_or_put(self.db)
pre_hash = model.generate_sha1_hash()
# Sign the model
model.sign(self.api)
post_hash = model.generate_sha1_hash()
self.assertEqual(pre_hash, post_hash)
self.assertEqual(model.signer, self.db.backend.get_option('user_key_pub'))
self.assertTrue(DatabaseModel.signature_valid(model))
def test_signed_model_detect_tamper(self):
"""
Test is models can be signed, and if the signature is read as valid
"""
model = DatabaseModel()
model.post_or_put(self.db)
pre_hash = model.generate_sha1_hash()
# Sign the model
model.sign(self.api)
#Tamper with the model
model._id = 'different'
post_hash = model.generate_sha1_hash()
self.assertNotEqual(pre_hash, post_hash)
self.assertEqual(model.signer, self.db.backend.get_option('user_key_pub'))
self.assertFalse(DatabaseModel.signature_valid(model))
