class STSCredentialsTest(unittest.TestCase): sts = True def setUp(self): super(STSCredentialsTest, self).setUp() self.creds = Credentials() def test_to_dict(self): # This would fail miserably if ``Credentials.request_id`` hadn't been # explicitly set (no default). # Default. self.assertEqual(self.creds.to_dict(), { 'access_key': None, 'expiration': None, 'request_id': None, 'secret_key': None, 'session_token': None }) # Override. creds = Credentials() creds.access_key = 'something' creds.secret_key = 'crypto' creds.session_token = 'this' creds.expiration = 'way' creds.request_id = 'comes' self.assertEqual(creds.to_dict(), { 'access_key': 'something', 'expiration': 'way', 'request_id': 'comes', 'secret_key': 'crypto', 'session_token': 'this' })