90 lines
3.6 KiB
Python
90 lines
3.6 KiB
Python
#
|
|
# 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 pkgutil
|
|
import sys
|
|
|
|
import mock
|
|
|
|
from heat.common import plugin_loader
|
|
import heat.engine
|
|
from heat.tests import common
|
|
|
|
|
|
class PluginLoaderTest(common.HeatTestCase):
|
|
def test_module_name(self):
|
|
self.assertEqual('foo.bar.blarg.wibble',
|
|
plugin_loader._module_name('foo.bar', 'blarg.wibble'))
|
|
|
|
def test_create_subpackage_single_path(self):
|
|
pkg_name = 'heat.engine.test_single_path'
|
|
self.assertNotIn(pkg_name, sys.modules)
|
|
pkg = plugin_loader.create_subpackage('/tmp',
|
|
'heat.engine',
|
|
'test_single_path')
|
|
self.assertIn(pkg_name, sys.modules)
|
|
self.assertEqual(sys.modules[pkg_name], pkg)
|
|
self.assertEqual(['/tmp'], pkg.__path__)
|
|
self.assertEqual(pkg_name, pkg.__name__)
|
|
|
|
def test_create_subpackage_path_list(self):
|
|
path_list = ['/tmp']
|
|
pkg_name = 'heat.engine.test_path_list'
|
|
self.assertNotIn(pkg_name, sys.modules)
|
|
pkg = plugin_loader.create_subpackage('/tmp',
|
|
'heat.engine',
|
|
'test_path_list')
|
|
self.assertIn(pkg_name, sys.modules)
|
|
self.assertEqual(sys.modules[pkg_name], pkg)
|
|
self.assertEqual(path_list, pkg.__path__)
|
|
self.assertNotIn(pkg.__path__, path_list)
|
|
self.assertEqual(pkg_name, pkg.__name__)
|
|
|
|
def test_import_module_existing(self):
|
|
import heat.engine.service
|
|
existing = heat.engine.service
|
|
importer = pkgutil.ImpImporter(heat.engine.__path__[0])
|
|
loaded = plugin_loader._import_module(importer,
|
|
'heat.engine.service',
|
|
heat.engine)
|
|
self.assertIs(existing, loaded)
|
|
|
|
def test_import_module_garbage(self):
|
|
importer = pkgutil.ImpImporter(heat.engine.__path__[0])
|
|
self.assertIsNone(plugin_loader._import_module(importer,
|
|
'wibble',
|
|
heat.engine))
|
|
|
|
@mock.patch.object(plugin_loader, "_import_module", mock.MagicMock())
|
|
@mock.patch('pkgutil.walk_packages')
|
|
def test_load_modules_skip_test(self, mp):
|
|
importer = pkgutil.ImpImporter(heat.engine.__path__[0])
|
|
|
|
mp.return_value = ((importer, "hola.foo", None),
|
|
(importer, "hola.tests.test_foo", None))
|
|
loaded = plugin_loader.load_modules(
|
|
heat.engine, ignore_error=True)
|
|
self.assertEqual(1, len(list(loaded)))
|
|
|
|
@mock.patch.object(plugin_loader, "_import_module", mock.MagicMock())
|
|
@mock.patch('pkgutil.walk_packages')
|
|
def test_load_modules_skip_setup(self, mp):
|
|
importer = pkgutil.ImpImporter(heat.engine.__path__[0])
|
|
|
|
mp.return_value = ((importer, "hola.foo", None),
|
|
(importer, "hola.setup", None))
|
|
loaded = plugin_loader.load_modules(
|
|
heat.engine, ignore_error=True)
|
|
self.assertEqual(1, len(list(loaded)))
|