Add unit tests for explicit profile

tests/unit/test_credentials.py

@@ -576,20 +576,50 @@ def test_provider_unknown(self):
 
 
 class TestCreateCredentialResolver(BaseEnvVar):
- def test_create_credential_resolver(self):
- fake_session = mock.Mock()
- config = {
+ def setUp(self):
+ super(TestCreateCredentialResolver, self).setUp()
+
+ self.session = mock.Mock()
+ self.config = {
  'credentials_file': 'a',
  'legacy_config_file': 'b',
  'config_file': 'c',
  'metadata_service_timeout': 'd',
  'metadata_service_num_attempts': 'e',
  'profile': 'profilename',
  }
- fake_session.get_config_variable = lambda x: config[x]
- resolver = credentials.create_credential_resolver(fake_session)
+ self.session.get_config_variable = lambda x: self.config[x]
+
+ def test_create_credential_resolver(self):
+ resolver = credentials.create_credential_resolver(self.session)
  self.assertIsInstance(resolver, credentials.CredentialResolver)
 
+ def test_explicit_profile_ignores_env_provider(self):
+ self.config['profile'] = 'dev'
+ resolver = credentials.create_credential_resolver(self.session)
+
+ for provider in resolver.providers:
+ self.assertNotIsInstance(provider, credentials.EnvProvider)
+
+ def test_no_profile_checks_env_provider(self):
+ self.config['profile'] = None
+ self.session.profile = None
+ resolver = credentials.create_credential_resolver(self.session)
+
+ found = False
+ for provider in resolver.providers:
+ if isinstance(provider, credentials.EnvProvider):
+ found = True
+
+ self.assertTrue(found)
+
+ def test_no_profile_env_provider_is_first(self):
+ self.config['profile'] = None
+ self.session.profile = None
+ resolver = credentials.create_credential_resolver(self.session)
+
+ self.assertIsInstance(resolver.providers[0], credentials.EnvProvider)
+
 
 if __name__ == "__main__":
  unittest.main()