a9c2e11661
There are some misspelt words in glance,
specfied (specified)
pluging (plugin)
cient (client)
siganture (signature)
propertys (properties)
delted (deleted)
collumn (column)
pacakge (package)
sigle (single)
logile (logfile)
Change-Id: Iedb4f4199c88bdad42d80475906635148bb9df83
Closes-Bug: #1580409
162 lines
7.2 KiB
Python
162 lines
7.2 KiB
Python
# Copyright (c) 2015 Mirantis, Inc.
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#
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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 os
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import mock
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import pkg_resources
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from glance.common import exception
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from glance.common.glare import loader
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from glance.contrib.plugins.artifacts_sample.v1 import artifact as art1
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from glance.contrib.plugins.artifacts_sample.v2 import artifact as art2
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from glance.tests import utils
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class MyArtifactDuplicate(art1.MyArtifact):
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__type_version__ = '1.0.1'
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__type_name__ = 'MyArtifact'
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class MyArtifactOk(art1.MyArtifact):
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__type_version__ = '1.0.2'
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__type_name__ = 'MyArtifact'
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class TestArtifactsLoader(utils.BaseTestCase):
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def setUp(self):
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self.path = 'glance.contrib.plugins.artifacts_sample'
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self._setup_loader(['MyArtifact=%s.v1.artifact:MyArtifact' %
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self.path])
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super(TestArtifactsLoader, self).setUp()
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def _setup_loader(self, artifacts):
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self.loader = None
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mock_this = 'stevedore.extension.ExtensionManager._find_entry_points'
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with mock.patch(mock_this) as fep:
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fep.return_value = [
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pkg_resources.EntryPoint.parse(art) for art in artifacts]
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self.loader = loader.ArtifactsPluginLoader(
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'glance.artifacts.types')
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def test_load(self):
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"""
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Plugins can be loaded as entrypoint=single plugin and
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entrypoint=[a, list, of, plugins]
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"""
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# single version
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self.assertEqual(1, len(self.loader.mgr.extensions))
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self.assertEqual(art1.MyArtifact,
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self.loader.get_class_by_endpoint('myartifact'))
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# entrypoint = [a, list]
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path = os.path.splitext(__file__)[0][__file__.rfind(
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'glance'):].replace('/', '.')
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self._setup_loader([
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'MyArtifact=%s:MyArtifactOk' % path,
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'MyArtifact=%s.v2.artifact:MyArtifact' % self.path,
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'MyArtifact=%s.v1.artifact:MyArtifact' % self.path]),
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self.assertEqual(3, len(self.loader.mgr.extensions))
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# returns the plugin with the latest version
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self.assertEqual(art2.MyArtifact,
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self.loader.get_class_by_endpoint('myartifact'))
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self.assertEqual(art1.MyArtifact,
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self.loader.get_class_by_endpoint('myartifact',
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'1.0.1'))
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def test_basic_loader_func(self):
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"""Test public methods of PluginLoader class here"""
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# type_version 2 == 2.0 == 2.0.0
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self._setup_loader(
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['MyArtifact=%s.v2.artifact:MyArtifact' % self.path])
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self.assertEqual(art2.MyArtifact,
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self.loader.get_class_by_endpoint('myartifact'))
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self.assertEqual(art2.MyArtifact,
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self.loader.get_class_by_endpoint('myartifact',
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'2.0'))
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self.assertEqual(art2.MyArtifact,
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self.loader.get_class_by_endpoint('myartifact',
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'2.0.0'))
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self.assertEqual(art2.MyArtifact,
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self.loader.get_class_by_endpoint('myartifact',
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'2'))
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# now make sure that get_class_by_typename works as well
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self.assertEqual(art2.MyArtifact,
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self.loader.get_class_by_typename('MyArtifact'))
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self.assertEqual(art2.MyArtifact,
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self.loader.get_class_by_typename('MyArtifact', '2'))
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def test_config_validation(self):
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"""
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Plugins can be loaded on certain conditions:
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* entry point name == type_name
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* no plugin with the same type_name and version has been already
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loaded
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"""
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path = 'glance.contrib.plugins.artifacts_sample'
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# here artifacts specific validation is checked
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self.assertRaises(exception.ArtifactNonMatchingTypeName,
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self._setup_loader,
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['non_matching_name=%s.v1.artifact:MyArtifact' %
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path])
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# make sure this call is ok
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self._setup_loader(['MyArtifact=%s.v1.artifact:MyArtifact' % path])
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art_type = self.loader.get_class_by_endpoint('myartifact')
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self.assertEqual('MyArtifact', art_type.metadata.type_name)
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self.assertEqual('1.0.1', art_type.metadata.type_version)
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# now try to add duplicate artifact with the same type_name and
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# type_version as already exists
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bad_art_path = os.path.splitext(__file__)[0][__file__.rfind(
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'glance'):].replace('/', '.')
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self.assertEqual(art_type.metadata.type_version,
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MyArtifactDuplicate.metadata.type_version)
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self.assertEqual(art_type.metadata.type_name,
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MyArtifactDuplicate.metadata.type_name)
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# should raise an exception as (name, version) is not unique
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self.assertRaises(
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exception.ArtifactDuplicateNameTypeVersion, self._setup_loader,
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['MyArtifact=%s.v1.artifact:MyArtifact' % path,
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'MyArtifact=%s:MyArtifactDuplicate' % bad_art_path])
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# two artifacts with the same name but different versions coexist fine
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self.assertEqual('MyArtifact', MyArtifactOk.metadata.type_name)
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self.assertNotEqual(art_type.metadata.type_version,
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MyArtifactOk.metadata.type_version)
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self._setup_loader(['MyArtifact=%s.v1.artifact:MyArtifact' % path,
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'MyArtifact=%s:MyArtifactOk' % bad_art_path])
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def test_check_function(self):
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"""
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A test to show that plugin-load specific options in artifacts.conf
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are correctly processed:
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* no plugins can be loaded if load_enabled = False
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* if available_plugins list is given only plugins specified can be
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be loaded
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"""
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self.config(load_enabled=False)
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self.assertRaises(exception.ArtifactLoadError,
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self._setup_loader,
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['MyArtifact=%s.v1.artifact:MyArtifact' % self.path])
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self.config(load_enabled=True, available_plugins=['MyArtifact-1.0.2'])
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self.assertRaises(exception.ArtifactLoadError,
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self._setup_loader,
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['MyArtifact=%s.v1.artifact:MyArtifact' % self.path])
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path = os.path.splitext(__file__)[0][__file__.rfind(
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'glance'):].replace('/', '.')
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self._setup_loader(['MyArtifact=%s:MyArtifactOk' % path])
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# make sure that plugin_map has the expected plugin
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self.assertEqual(MyArtifactOk,
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self.loader.get_class_by_endpoint('myartifact',
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'1.0.2'))
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