bb297e6364
It will throw TypeError when you try to operate on dict.keys() like a list in python3. ref:https://docs.python.org/3/library/stdtypes.html#dictionary-view-objects Targets blueprint: murano-python-3-support Change-Id: I8a2dc7844248aa26794ed50d77ab59dd12056fcf
100 lines
3.8 KiB
Python
100 lines
3.8 KiB
Python
# 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 mock
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from oslo_config import cfg
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from murano.common.plugins import extensions_loader
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from murano.tests.unit import base
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CONF = cfg.CONF
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class PluginLoaderTest(base.MuranoTestCase):
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def setUp(self):
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super(PluginLoaderTest, self).setUp()
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@mock.patch('stevedore.extension.Extension')
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def test_load_extension(self, ext):
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"""Test PluginLoader.load_extension.
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Check that stevedore plugin loading creates instance
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of PackageDefinition class, new class are added to that package
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and name mapping between class and plugin are updated.
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"""
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ext.entry_point.dist.project_name = 'plugin1'
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ext.entry_point.name = 'Test'
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name_map = {}
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test_obj = extensions_loader.PluginLoader('test.namespace')
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test_obj.load_extension(ext, name_map)
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self.assertEqual(1, len(test_obj.packages))
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loaded_pkg = list(test_obj.packages.values())[0]
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self.assertIsInstance(loaded_pkg,
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extensions_loader.PackageDefinition)
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self.assertEqual('test.namespace.Test',
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list(loaded_pkg.classes.keys())[0])
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self.assertEqual({'test.namespace.Test': test_obj.packages.keys()},
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name_map)
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def test_cleanup_duplicates(self):
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"""Test PluginLoader.cleanup_duplicates.
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Check loading two plugins with same 'Test1' classes
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inside initiates removing of all duplicated classes.
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"""
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name_map = {}
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ext1 = mock.MagicMock(name='ext1')
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ext1.entry_point.name = 'Test1'
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ext2 = mock.MagicMock(name='ext2')
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ext2.entry_point.name = 'Test1'
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test_obj = extensions_loader.PluginLoader()
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test_obj.load_extension(ext1, name_map)
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test_obj.load_extension(ext2, name_map)
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dist1 = ext1.entry_point.dist
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dist2 = ext2.entry_point.dist
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self.assertEqual(1, len(test_obj.packages[str(dist1)].classes))
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self.assertEqual(1, len(test_obj.packages[str(dist2)].classes))
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test_obj.cleanup_duplicates(name_map)
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self.assertEqual(0, len(test_obj.packages[str(dist1)].classes))
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self.assertEqual(0, len(test_obj.packages[str(dist2)].classes))
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def test_load_plugin_with_inappropriate_class_name(self):
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"""Negative test load_extension.
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Check plugin that contains incorrect MuranoPL class name
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won't be loaded.
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"""
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name_map = {}
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ext = mock.MagicMock(name='ext')
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ext.entry_point.name = 'murano-pl-class'
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test_obj = extensions_loader.PluginLoader()
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test_obj.load_extension(ext, name_map)
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# No packages are loaded
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self.assertEqual(0, len(test_obj.packages))
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@mock.patch('stevedore.extension.Extension')
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def test_is_plugin_enabled(self, ext):
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"""Test is_plugin_enabled.
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Check that only plugins specified in config file can be loaded.
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"""
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self.override_config('enabled_plugins',
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'plugin1, plugin2',
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group='murano')
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ext.entry_point.dist.project_name = 'test'
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test_method = extensions_loader.PluginLoader.is_plugin_enabled
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self.assertFalse(test_method(ext))
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ext.entry_point.dist.project_name = 'plugin1'
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self.assertTrue(test_method(ext))
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