def test_post_repo_group_unassociate(self, mock_factory, mock_criteria, mock_model, mock_resp):
"""
Unassociate a repo from a repo_group.
"""
mock_request = mock.MagicMock()
mock_request.body = '{}'
mock_manager = mock_factory.repo_group_manager.return_value
criteria = mock_criteria.from_client_input.return_value
mock_collection = mock_model.get_collection.return_value
mock_group = mock_collection.find_one.return_value
repo_group_unassociate = RepoGroupUnassociateView()
response = repo_group_unassociate.post(mock_request, 'mock_id')
mock_manager.unassociate.assert_called_once_with('mock_id', criteria)
mock_resp.assert_called_once_with(mock_group['repo_ids'])
self.assertTrue(response is mock_resp.return_value)
