68 lines
2.7 KiB
Python
68 lines
2.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import pkgutil
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import sys
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import testtools
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import heat.engine
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from heat.common import plugin_loader
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class PluginLoaderTest(testtools.TestCase):
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def test_module_name(self):
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self.assertEqual(plugin_loader._module_name('foo.bar', 'blarg.wibble'),
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'foo.bar.blarg.wibble')
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def test_create_subpackage_single_path(self):
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pkg_name = 'heat.engine.test_single_path'
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self.assertFalse(pkg_name in sys.modules)
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pkg = plugin_loader.create_subpackage('/tmp',
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'heat.engine',
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'test_single_path')
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self.assertTrue(pkg_name in sys.modules)
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self.assertEqual(sys.modules[pkg_name], pkg)
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self.assertEqual(pkg.__path__, ['/tmp'])
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self.assertEqual(pkg.__name__, pkg_name)
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def test_create_subpackage_path_list(self):
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path_list = ['/tmp']
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pkg_name = 'heat.engine.test_path_list'
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self.assertFalse(pkg_name in sys.modules)
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pkg = plugin_loader.create_subpackage('/tmp',
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'heat.engine',
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'test_path_list')
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self.assertTrue(pkg_name in sys.modules)
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self.assertEqual(sys.modules[pkg_name], pkg)
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self.assertEqual(pkg.__path__, path_list)
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self.assertFalse(pkg.__path__ is path_list)
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self.assertEqual(pkg.__name__, pkg_name)
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def test_import_module_existing(self):
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import heat.engine.service
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existing = heat.engine.service
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importer = pkgutil.ImpImporter(heat.engine.__path__[0])
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loaded = plugin_loader._import_module(importer,
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'heat.engine.service',
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heat.engine)
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self.assertTrue(loaded is existing)
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def test_import_module_garbage(self):
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importer = pkgutil.ImpImporter(heat.engine.__path__[0])
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self.assertEqual(plugin_loader._import_module(importer,
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'wibble',
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heat.engine),
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None)
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