def test_list_instances_with_autodetect(
mock_list_instance_for_service,
mock_validate_service_name,
mock_guess_service_name,
):
expected = ['instance1', 'instance2', 'instance3']
mock_guess_service_name.return_value = 'fake_service'
mock_validate_service_name.return_value = None
mock_list_instance_for_service.return_value = expected
actual = utils.list_instances()
assert actual == expected
mock_validate_service_name.assert_called_once_with('fake_service')
mock_list_instance_for_service.assert_called_once_with('fake_service')
def test_list_instances_no_service(
mock_list_services,
mock_list_instance_for_service,
mock_validate_service_name,
mock_guess_service_name,
):
expected = ['instance1', 'instance2', 'instance3']
mock_guess_service_name.return_value = 'unused'
mock_list_services.return_value = ['fake_service1']
mock_validate_service_name.side_effect = utils.NoSuchService(None)
mock_list_instance_for_service.return_value = expected
actual = utils.list_instances()
mock_validate_service_name.assert_called_once_with('unused')
mock_list_instance_for_service.assert_called_once_with('fake_service1')
assert actual == expected
