Source code for aiida.backends.testimplbase

# -*- 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               #
###########################################################################
from __future__ import division
from __future__ import print_function
from __future__ import absolute_import
from abc import ABCMeta, abstractmethod

import six

from aiida import orm
from aiida.common import exceptions


[docs]@six.add_metaclass(ABCMeta) class AiidaTestImplementation(object): """ For each implementation, define what to do at setUp and tearDown. Each subclass must reimplement two *standard* methods (i.e., *not* classmethods), called respectively ``setUpClass_method`` and ``tearDownClass_method``. It is also required to implement setUp_method and tearDown_method to be run for each single test They can set local properties (e.g. ``self.xxx = yyy``) but remember that ``xxx`` is not visible to the upper (calling) Test class. Moreover, it is required that they define in the setUpClass_method the two properties: - ``self.computer`` that must be a Computer object - ``self.user_email`` that must be a string These two are then exposed by the ``self.get_computer()`` and ``self.get_user_email()`` methods. """ # This should be set by the implementing class in setUpClass_method() backend = None # type: aiida.orm.Backend computer = None # type: aiida.orm.Computer user = None # type: aiida.orm.User user_email = None # type: str
[docs] @abstractmethod def setUpClass_method(self): """ This class prepares the database (cleans it up and installs some basic entries). You have also to set a self.computer and a self.user_email as explained in the docstring of the AiidaTestImplemention docstring. """
[docs] def setUp_method(self): pass
[docs] def tearDown_method(self): pass
[docs] @abstractmethod def tearDownClass_method(self): """ Backend-specific tasks for tearing down the test environment. """
[docs] @abstractmethod def clean_db(self): """ This method implements the logic to fully clean the DB. """
[docs] def insert_data(self): """ This method inserts default data into the database. """ from aiida.manage.configuration import get_config self.computer = orm.Computer( name='localhost', hostname='localhost', transport_type='local', scheduler_type='pbspro', workdir='/tmp/aiida', backend=self.backend ).store() self.user_email = get_config().current_profile.default_user_email # Since the default user is needed for many operations in AiiDA, it is not deleted by clean_db. # In principle, it should therefore always exist - if not we create it anyhow. try: self.user = orm.User.objects.get(email=self.user_email) except exceptions.NotExistent: self.user = orm.User(email=self.user_email).store()
[docs] def get_computer(self): """ A ORM Computer object present in the DB """ try: return self.computer except AttributeError: raise exceptions.InternalError( "The AiiDA Test implementation should define a self.computer in the setUpClass_method")
[docs] def get_user_email(self): """ A string with the email of the User """ try: return self.user_email except AttributeError: raise exceptions.InternalError( "The AiiDA Test implementation should define a self.user_email in the setUpClass_method")