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162 lines
4.9 KiB
Python
162 lines
4.9 KiB
Python
# Copyright 2018 gevent contributors. See LICENSE for details.
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import os
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import unittest
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import sys
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from gevent import _config
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class TestResolver(unittest.TestCase):
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old_resolver = None
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def setUp(self):
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if 'GEVENT_RESOLVER' in os.environ:
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self.old_resolver = os.environ['GEVENT_RESOLVER']
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del os.environ['GEVENT_RESOLVER']
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def tearDown(self):
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if self.old_resolver:
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os.environ['GEVENT_RESOLVER'] = self.old_resolver
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def test_key(self):
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self.assertEqual(_config.Resolver.environment_key, 'GEVENT_RESOLVER')
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def test_default(self):
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from gevent.resolver.thread import Resolver
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conf = _config.Resolver()
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self.assertEqual(conf.get(), Resolver)
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def test_env(self):
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from gevent.resolver.blocking import Resolver
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os.environ['GEVENT_RESOLVER'] = 'foo,bar,block,dnspython'
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conf = _config.Resolver()
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self.assertEqual(conf.get(), Resolver)
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os.environ['GEVENT_RESOLVER'] = 'dnspython'
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# The existing value is unchanged
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self.assertEqual(conf.get(), Resolver)
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# A new object reflects it
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try:
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from gevent.resolver.dnspython import Resolver as DResolver
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except ImportError: # pragma: no cover
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# dnspython is optional; skip it.
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import warnings
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warnings.warn('dnspython not installed')
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else:
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conf = _config.Resolver()
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self.assertEqual(conf.get(), DResolver)
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def test_set_str_long(self):
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from gevent.resolver.blocking import Resolver
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conf = _config.Resolver()
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conf.set('gevent.resolver.blocking.Resolver')
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self.assertEqual(conf.get(), Resolver)
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def test_set_str_short(self):
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from gevent.resolver.blocking import Resolver
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conf = _config.Resolver()
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conf.set('block')
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self.assertEqual(conf.get(), Resolver)
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def test_set_class(self):
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from gevent.resolver.blocking import Resolver
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conf = _config.Resolver()
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conf.set(Resolver)
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self.assertEqual(conf.get(), Resolver)
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def test_set_through_config(self):
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from gevent.resolver.thread import Resolver as Default
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from gevent.resolver.blocking import Resolver
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conf = _config.Config()
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self.assertEqual(conf.resolver, Default)
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conf.resolver = 'block'
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self.assertEqual(conf.resolver, Resolver)
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class TestFunctions(unittest.TestCase):
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def test_validate_bool(self):
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self.assertTrue(_config.validate_bool('on'))
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self.assertTrue(_config.validate_bool('1'))
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self.assertFalse(_config.validate_bool('off'))
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self.assertFalse(_config.validate_bool('0'))
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self.assertFalse(_config.validate_bool(''))
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with self.assertRaises(ValueError):
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_config.validate_bool(' hmm ')
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def test_validate_invalid(self):
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with self.assertRaises(ValueError):
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_config.validate_invalid(self)
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class TestConfig(unittest.TestCase):
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def test__dir__(self):
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self.assertEqual(sorted(_config.config.settings),
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sorted(dir(_config.config)))
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def test_getattr(self):
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# Bypass the property that might be set here
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self.assertIsNotNone(_config.config.__getattr__('resolver'))
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def test__getattr__invalid(self):
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with self.assertRaises(AttributeError):
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getattr(_config.config, 'no_such_setting')
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def test_set_invalid(self):
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with self.assertRaises(AttributeError):
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_config.config.set('no such setting', True)
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class TestImportableSetting(unittest.TestCase):
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assertRaisesRegex = getattr(unittest.TestCase, 'assertRaisesRegex',
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unittest.TestCase.assertRaisesRegexp)
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def test_empty_list(self):
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i = _config.ImportableSetting()
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with self.assertRaisesRegex(ImportError,
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"Cannot import from empty list"):
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i._import_one_of([])
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def test_path_not_supported(self):
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import warnings
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i = _config.ImportableSetting()
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path = list(sys.path)
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with warnings.catch_warnings(record=True) as w:
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warnings.simplefilter("always")
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with self.assertRaisesRegex(ImportError,
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"Cannot import 'foo/bar/gevent.no_such_module'"):
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i._import_one('foo/bar/gevent.no_such_module')
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# We restored the path
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self.assertEqual(path, sys.path)
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# We did not issue a warning
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self.assertEqual(len(w), 0)
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def test_non_string(self):
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i = _config.ImportableSetting()
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self.assertIs(i._import_one(self), self)
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def test_get_options(self):
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i = _config.ImportableSetting()
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self.assertEqual({}, i.get_options())
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i.shortname_map = {'foo': 'bad/path'}
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options = i.get_options()
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self.assertIn('foo', options)
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if __name__ == '__main__':
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unittest.main()
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