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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import datetime
import sys
import unittest
from openstack.common import exception
from openstack.common import importutils
class ImportUtilsTest(unittest.TestCase):
# NOTE(jkoelker) There has GOT to be a way to test this. But mocking
# __import__ is the devil. Right now we just make
# sure we can import something from the stdlib
def test_import_class(self):
dt = importutils.import_class('datetime.datetime')
self.assertEqual(sys.modules['datetime'].datetime, dt)
def test_import_bad_class(self):
self.assertRaises(exception.NotFound, importutils.import_class,
'lol.u_mad.brah')
def test_import_module(self):
dt = importutils.import_module('datetime')
self.assertEqual(sys.modules['datetime'], dt)
def test_import_object(self):
dt = importutils.import_object('datetime.time')
self.assertTrue(isinstance(dt, sys.modules['datetime'].time))
def test_import_object_with_args(self):
dt = importutils.import_object('datetime.datetime', 2012, 4, 5)
self.assertTrue(isinstance(dt, sys.modules['datetime'].datetime))
self.assertEqual(dt, datetime.datetime(2012, 4, 5))
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