219 lines
9.6 KiB
Python
219 lines
9.6 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 testtools
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from neutron_lib.hacking import checks
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from neutron_lib.hacking import translation_checks as tc
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from neutron_lib.tests import _base as base
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class HackingTestCase(base.BaseTestCase):
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def assertLinePasses(self, func, *args):
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with testtools.ExpectedException(StopIteration):
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next(func(*args))
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def assertLineFails(self, func, *args):
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self.assertIsInstance(next(func(*args)), tuple)
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def _get_factory_checks(self, factory):
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check_fns = []
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def _reg(check_fn):
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self.assertTrue(hasattr(check_fn, '__call__'))
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self.assertFalse(check_fn in check_fns)
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check_fns.append(check_fn)
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factory(_reg)
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return check_fns
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def test_factory(self):
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self.assertTrue(len(self._get_factory_checks(checks.factory)) > 0)
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def test_neutron_lib_factory(self):
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lib_checks = self._get_factory_checks(checks._neutron_lib_factory)
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other_checks = self._get_factory_checks(checks.factory)
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self.assertTrue(len(lib_checks) > 0)
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if other_checks:
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for other_check in other_checks:
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# lib checks are superset of all checks
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self.assertTrue(other_check in lib_checks)
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def test_use_jsonutils(self):
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def __get_msg(fun):
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msg = ("N521: jsonutils.%(fun)s must be used instead of "
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"json.%(fun)s" % {'fun': fun})
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return [(0, msg)]
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for method in ('dump', 'dumps', 'load', 'loads'):
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self.assertEqual(
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__get_msg(method),
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list(checks.use_jsonutils("json.%s(" % method,
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"./neutron/common/rpc.py")))
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self.assertEqual(
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0,
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len(list(checks.use_jsonutils("jsonx.%s(" % method,
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"./neutron/common/rpc.py"))))
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self.assertEqual(
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0,
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len(list(checks.use_jsonutils("json.%sx(" % method,
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"./neutron/common/rpc.py"))))
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self.assertEqual(
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0,
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len(list(checks.use_jsonutils(
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"json.%s" % method,
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"./neutron/plugins/ml2/drivers/openvswitch/agent/xenapi/"
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"etc/xapi.d/plugins/netwrap"))))
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def test_check_contextlib_nested(self):
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f = checks.check_no_contextlib_nested
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self.assertLineFails(f, 'with contextlib.nested():', '')
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self.assertLineFails(f, ' with contextlib.nested():', '')
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self.assertLinePasses(f, '# with contextlib.nested():', '')
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self.assertLinePasses(f, 'print("with contextlib.nested():")', '')
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def test_check_python3_xrange(self):
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f = checks.check_python3_xrange
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self.assertLineFails(f, 'a = xrange(1000)')
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self.assertLineFails(f, 'b =xrange ( 42 )')
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self.assertLineFails(f, 'c = xrange(1, 10, 2)')
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self.assertLinePasses(f, 'd = range(1000)')
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self.assertLinePasses(f, 'e = six.moves.range(1337)')
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def test_no_basestring(self):
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f = checks.check_no_basestring
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self.assertLineFails(f, 'isinstance(x, basestring)')
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self.assertLinePasses(f, 'isinstance(x, BaseString)')
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def test_check_python3_iteritems(self):
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f = checks.check_python3_no_iteritems
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self.assertLineFails(f, "d.iteritems()")
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self.assertLinePasses(f, "six.iteritems(d)")
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def test_no_mutable_default_args(self):
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self.assertEqual(1, len(list(checks.no_mutable_default_args(
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" def fake_suds_context(calls={}):"))))
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self.assertEqual(1, len(list(checks.no_mutable_default_args(
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"def get_info_from_bdm(virt_type, bdm, mapping=[])"))))
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self.assertEqual(0, len(list(checks.no_mutable_default_args(
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"defined = []"))))
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self.assertEqual(0, len(list(checks.no_mutable_default_args(
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"defined, undefined = [], {}"))))
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def test_check_neutron_namespace_imports(self):
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f = checks.check_neutron_namespace_imports
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self.assertLinePasses(f, 'from neutron_lib import constants')
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self.assertLinePasses(f, 'import neutron_lib.constants')
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self.assertLineFails(f, 'from neutron.common import rpc')
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self.assertLineFails(f, 'from neutron import context')
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self.assertLineFails(f, 'import neutron.common.config')
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def test_no_log_translations(self):
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for log in tc._all_log_levels:
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for hint in tc._all_hints:
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bad = 'LOG.%s(%s("Bad"))' % (log, hint)
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self.assertEqual(
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1, len(list(tc.no_translate_logs(bad, 'f'))))
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# Catch abuses when used with a variable and not a literal
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bad = 'LOG.%s(%s(msg))' % (log, hint)
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self.assertEqual(
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1, len(list(tc.no_translate_logs(bad, 'f'))))
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# Do not do validations in tests
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ok = 'LOG.%s(_("OK - unit tests"))' % log
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self.assertEqual(
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0, len(list(tc.no_translate_logs(ok, 'f/tests/f'))))
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def test_check_log_warn_deprecated(self):
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bad = "LOG.warn('i am deprecated!')"
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good = "LOG.warning('zlatan is the best')"
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f = tc.check_log_warn_deprecated
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self.assertLineFails(f, bad, '')
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self.assertLinePasses(f, good, '')
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def test_check_localized_exception_messages(self):
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f = tc.check_raised_localized_exceptions
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self.assertLineFails(f, " raise KeyError('Error text')", '')
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self.assertLineFails(f, ' raise KeyError("Error text")', '')
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self.assertLinePasses(f, ' raise KeyError(_("Error text"))', '')
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self.assertLinePasses(f, ' raise KeyError(_ERR("Error text"))', '')
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self.assertLinePasses(f, " raise KeyError(translated_msg)", '')
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self.assertLinePasses(f, '# raise KeyError("Not translated")', '')
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self.assertLinePasses(f, 'print("raise KeyError("Not '
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'translated")")', '')
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def test_check_localized_exception_message_skip_tests(self):
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f = tc.check_raised_localized_exceptions
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self.assertLinePasses(f, "raise KeyError('Error text')",
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'neutron_lib/tests/unit/mytest.py')
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def test_check_eventlet_imports(self):
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f = checks.check_no_eventlet_imports
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self.assertLineFails(f, "import eventlet")
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self.assertLineFails(f, "import eventlet.timeout")
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self.assertLineFails(f, "from eventlet import timeout")
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self.assertLineFails(f, "from eventlet.timeout import Timeout")
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self.assertLineFails(f, "from eventlet.timeout import (Timeout, X)")
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self.assertLinePasses(f, "import is.not.eventlet")
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self.assertLinePasses(f, "from is.not.eventlet")
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self.assertLinePasses(f, "from mymod import eventlet")
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self.assertLinePasses(f, "from mymod.eventlet import amod")
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self.assertLinePasses(f, 'print("eventlet not here")')
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self.assertLinePasses(f, 'print("eventlet.timeout")')
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self.assertLinePasses(f, "from mymod.timeout import (eventlet, X)")
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def test_assert_equal_none(self):
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual(A, None)"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual(A, None) # Comment"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual(None, A)"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual(None, A) # Comment"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual((None, None), A)"))), 0)
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual((None, None), A) # Comment"))), 0)
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual(A, (None, None))"))), 0)
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self.assertEqual(len(list(checks.assert_equal_none(
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"self.assertEqual(A, (None, None)) # Comment"))), 0)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot(A, None)"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot(A, None) # Comment"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot(None, A)"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot(None, A) # Comment"))), 1)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot((None, None), A)"))), 0)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot((None, None), A) # Comment"))), 0)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot(A, (None, None))"))), 0)
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self.assertEqual(len(list(checks.assert_equal_none(
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"assertIsNot(A, (None, None)) # Comment"))), 0)
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self.assertEqual(
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len(list(checks.assert_equal_none("self.assertIsNone(A)"))), 0)
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self.assertEqual(
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len(list(checks.assert_equal_none("self.assertIsNotNone(A)"))), 0)
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