e98815718d
We hard-code module name in method import_versioned_module, but downstream projects can't work and must provide specific version of this method[1], and we don't use it in any project, so we don't need consider backwards compatible issue. [1] http://codesearch.openstack.org/?q=import_versioned_module&i=nope&files=&repos= Closes-Bug: #1627313 Change-Id: I9eac6e63283a6b3a364307b32c567d27e97bdb6e
153 lines
6.6 KiB
Python
153 lines
6.6 KiB
Python
# Copyright 2011 OpenStack Foundation.
|
|
# 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
|
|
|
|
from oslotest import base as test_base
|
|
|
|
from oslo_utils import importutils
|
|
|
|
|
|
class ImportUtilsTest(test_base.BaseTestCase):
|
|
|
|
# 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(ImportError, 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_optional_arg_not_present(self):
|
|
obj = importutils.import_object('oslo_utils.tests.fake.FakeDriver')
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver')
|
|
|
|
def test_import_object_optional_arg_present(self):
|
|
obj = importutils.import_object('oslo_utils.tests.fake.FakeDriver',
|
|
first_arg=False)
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver')
|
|
|
|
def test_import_object_required_arg_not_present(self):
|
|
# arg 1 isn't optional here
|
|
self.assertRaises(TypeError, importutils.import_object,
|
|
'oslo_utils.tests.fake.FakeDriver2')
|
|
|
|
def test_import_object_required_arg_present(self):
|
|
obj = importutils.import_object('oslo_utils.tests.fake.FakeDriver2',
|
|
first_arg=False)
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver2')
|
|
|
|
# namespace tests
|
|
def test_import_object_ns_optional_arg_not_present(self):
|
|
obj = importutils.import_object_ns('oslo_utils',
|
|
'tests.fake.FakeDriver')
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver')
|
|
|
|
def test_import_object_ns_optional_arg_present(self):
|
|
obj = importutils.import_object_ns('oslo_utils',
|
|
'tests.fake.FakeDriver',
|
|
first_arg=False)
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver')
|
|
|
|
def test_import_object_ns_required_arg_not_present(self):
|
|
# arg 1 isn't optional here
|
|
self.assertRaises(TypeError, importutils.import_object_ns,
|
|
'oslo_utils', 'tests.fake.FakeDriver2')
|
|
|
|
def test_import_object_ns_required_arg_present(self):
|
|
obj = importutils.import_object_ns('oslo_utils',
|
|
'tests.fake.FakeDriver2',
|
|
first_arg=False)
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver2')
|
|
|
|
# namespace tests
|
|
def test_import_object_ns_full_optional_arg_not_present(self):
|
|
obj = importutils.import_object_ns('tests2',
|
|
'oslo_utils.tests.fake.FakeDriver')
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver')
|
|
|
|
def test_import_object_ns_full_optional_arg_present(self):
|
|
obj = importutils.import_object_ns('tests2',
|
|
'oslo_utils.tests.fake.FakeDriver',
|
|
first_arg=False)
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver')
|
|
|
|
def test_import_object_ns_full_required_arg_not_present(self):
|
|
# arg 1 isn't optional here
|
|
self.assertRaises(TypeError, importutils.import_object_ns,
|
|
'tests2', 'oslo_utils.tests.fake.FakeDriver2')
|
|
|
|
def test_import_object_ns_full_required_arg_present(self):
|
|
obj = importutils.import_object_ns('tests2',
|
|
'oslo_utils.tests.fake.FakeDriver2',
|
|
first_arg=False)
|
|
self.assertEqual(obj.__class__.__name__, 'FakeDriver2')
|
|
|
|
def test_import_object_ns_raise_import_error_in_init(self):
|
|
self.assertRaises(ImportError, importutils.import_object_ns,
|
|
'tests2', 'oslo_utils.tests.fake.FakeDriver3')
|
|
|
|
def test_import_object(self):
|
|
dt = importutils.import_object('datetime.time')
|
|
self.assertIsInstance(dt, sys.modules['datetime'].time)
|
|
|
|
def test_import_object_with_args(self):
|
|
dt = importutils.import_object('datetime.datetime', 2012, 4, 5)
|
|
self.assertIsInstance(dt, sys.modules['datetime'].datetime)
|
|
self.assertEqual(dt, datetime.datetime(2012, 4, 5))
|
|
|
|
def test_import_versioned_module(self):
|
|
v2 = importutils.import_versioned_module('oslo_utils.tests.fake', 2)
|
|
self.assertEqual(sys.modules['oslo_utils.tests.fake.v2'], v2)
|
|
|
|
dummpy = importutils.import_versioned_module('oslo_utils.tests.fake',
|
|
2, 'dummpy')
|
|
self.assertEqual(sys.modules['oslo_utils.tests.fake.v2.dummpy'],
|
|
dummpy)
|
|
|
|
def test_import_versioned_module_wrong_version_parameter(self):
|
|
self.assertRaises(ValueError,
|
|
importutils.import_versioned_module,
|
|
'oslo_utils.tests.fake', "2.0", 'fake')
|
|
|
|
def test_import_versioned_module_error(self):
|
|
self.assertRaises(ImportError,
|
|
importutils.import_versioned_module,
|
|
'oslo_utils.tests.fake', 2, 'fake')
|
|
|
|
def test_try_import(self):
|
|
dt = importutils.try_import('datetime')
|
|
self.assertEqual(sys.modules['datetime'], dt)
|
|
|
|
def test_try_import_returns_default(self):
|
|
foo = importutils.try_import('foo.bar')
|
|
self.assertIsNone(foo)
|
|
|
|
def test_import_any_none_found(self):
|
|
self.assertRaises(ImportError, importutils.import_any,
|
|
'foo.bar', 'foo.foo.bar')
|
|
|
|
def test_import_any_found(self):
|
|
dt = importutils.import_any('foo.bar', 'datetime')
|
|
self.assertEqual(sys.modules['datetime'], dt)
|