# -*- coding: utf-8 -*-
###########################################################################
# Copyright (c), The AiiDA team. All rights reserved. #
# This file is part of the AiiDA code. #
# #
# The code is hosted on GitHub at https://github.com/aiidateam/aiida_core #
# For further information on the license, see the LICENSE.txt file #
# For further information please visit http://www.aiida.net #
###########################################################################
"""Tests for the Dat ORM class."""
from __future__ import division
from __future__ import print_function
from __future__ import absolute_import
from aiida.backends.testbase import AiidaTestCase
from aiida.common.links import LinkType
from aiida.orm import CalculationNode, Data
[docs]class TestDataNodeLinks(AiidaTestCase):
"""Test for linking from and to Data nodes."""
[docs] def setUp(self):
super(TestDataNodeLinks, self).setUp()
self.calculation_node_source = CalculationNode()
self.calculation_node_target = CalculationNode()
self.data_node_source = Data()
self.data_node_target = Data()
[docs] def test_validate_incoming(self):
"""Test the `validate_incoming` method
For a Data node all incoming link types are valid as long as the source is also of type Node and the link
type is a valid LinkType enum value.
"""
for link_type in LinkType:
# From Data nodes only CALL_CALC links are valid
if link_type in (LinkType.CALL_CALC,):
self.calculation_node_target.validate_incoming(self.calculation_node_source, link_type, 'label')
else:
with self.assertRaises(ValueError):
self.calculation_node_target.validate_incoming(self.calculation_node_source, link_type, 'label')
# From Data nodes only INPUT_CALC links are valid
if link_type in (LinkType.INPUT_CALC,):
self.calculation_node_target.validate_incoming(self.data_node_source, link_type, 'label')
else:
with self.assertRaises(ValueError):
self.calculation_node_target.validate_incoming(self.data_node_source, link_type, 'label')
[docs] def test_validate_outgoing(self):
"""Test the `validate_outgoing` method
For a Data node all outgoing link types are valid as long as the source is also of type Node and the link
type is a valid LinkType enum value.
"""
for link_type in LinkType:
# Into CalculationNodes only CALL_CALC links are valid
if link_type in (LinkType.CALL_CALC,):
self.calculation_node_source.validate_outgoing(self.calculation_node_target, link_type, 'label')
else:
with self.assertRaises(ValueError):
self.calculation_node_source.validate_outgoing(self.calculation_node_target, link_type, 'label')
# Into Data nodes only CREATE links are valid
if link_type in (LinkType.CREATE,):
self.calculation_node_source.validate_outgoing(self.data_node_target, link_type, 'label')
else:
with self.assertRaises(ValueError):
self.calculation_node_source.validate_outgoing(self.data_node_target, link_type, 'label')