New API: Add Key/Role specific tests

Signed-off-by: Martin Vrachev <mvrachev@vmware.com>

tests/test_api.py

@@ -25,7 +25,9 @@
  Metadata,
  Snapshot,
  Timestamp,
- Targets
+ Targets,
+ Key,
+ Role
 )
 
 from tuf.api.serialization import (
@@ -292,6 +294,63 @@ def test_metadata_timestamp(self):
  self.assertEqual(timestamp.signed.meta['snapshot.json'], fileinfo)
 
 
+ def test_key_class(self):
+ keys = {
+ "59a4df8af818e9ed7abe0764c0b47b4240952aa0d179b5b78346c470ac30278d":{
+ "keytype": "ed25519",
+ "keyval": {
+ "public": "edcd0a32a07dce33f7c7873aaffbff36d20ea30787574ead335eefd337e4dacd"
+ },
+ "scheme": "ed25519"
+ },
+ }
+ for key_dict in keys.values():
+ # Testing that the workflow of deserializing and serializing
+ # a key dictionary doesn't change the content.
+ test_key_dict = key_dict.copy()
+ key_obj = Key.from_dict(test_key_dict)
+ self.assertEqual(key_dict, key_obj.to_dict())
+ # Test creating an instance without a required attribute.
+ for key in key_dict.keys():
+ test_key_dict = key_dict.copy()
+ del test_key_dict[key]
+ with self.assertRaises(KeyError):
+ Key.from_dict(test_key_dict)
+ # Test creating a Key instance with wrong keyval format.
+ key_dict["keyval"] = {}
+ with self.assertRaises(ValueError):
+ Key.from_dict(key_dict)
+
+
+ def test_role_class(self):
+ roles = {
+ "root": {
+ "keyids": [
+ "4e777de0d275f9d28588dd9a1606cc748e548f9e22b6795b7cb3f63f98035fcb"
+ ],
+ "threshold": 1
+ },
+ "snapshot": {
+ "keyids": [
+ "59a4df8af818e9ed7abe0764c0b47b4240952aa0d179b5b78346c470ac30278d"
+ ],
+ "threshold": 1
+ },
+ }
+ for role_dict in roles.values():
+ # Testing that the workflow of deserializing and serializing
+ # a role dictionary doesn't change the content.
+ test_role_dict = role_dict.copy()
+ role_obj = Role.from_dict(test_role_dict)
+ self.assertEqual(role_dict, role_obj.to_dict())
+ # Test creating an instance without a required attribute.
+ for role_attr in role_dict.keys():
+ test_role_dict = role_dict.copy()
+ del test_role_dict[role_attr]
+ with self.assertRaises(KeyError):
+ Key.from_dict(test_role_dict)
+
+
  def test_metadata_root(self):
  root_path = os.path.join(
  self.repo_dir, 'metadata', 'root.json')