def METHOD_NAME(self):
    dependent_uuid = "0x2"
    dependency_key = DependencyKey(parent_uuid="0x1", parent_path="parent")
    state = self.dependency_manager.get(dependent_uuid, dependency_key)
    self.assertTrue(self.dependency_manager.has(dependency_key))
    self.assertEqual(state.stage, "DOWNLOADING")
    self.assertEqual(state.path, "0x1_parent")
    self.assertEqual(state.dependents, {dependent_uuid})