Current File : //usr/lib/python3/dist-packages/twisted/trial/test/suppression.py
# -*- test-case-name: twisted.trial.test.test_tests -*-
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Test cases used to make sure that warning suppression works at the module,
method, and class levels.
See the L{twisted.trial.test.test_tests} module docstring for details about how
this code is arranged.
"""
from __future__ import division, absolute_import
import warnings
from twisted.trial import unittest, util
METHOD_WARNING_MSG = "method warning message"
CLASS_WARNING_MSG = "class warning message"
MODULE_WARNING_MSG = "module warning message"
class MethodWarning(Warning):
pass
class ClassWarning(Warning):
pass
class ModuleWarning(Warning):
pass
class EmitMixin(object):
"""
Mixin for emiting a variety of warnings.
"""
def _emit(self):
warnings.warn(METHOD_WARNING_MSG, MethodWarning)
warnings.warn(CLASS_WARNING_MSG, ClassWarning)
warnings.warn(MODULE_WARNING_MSG, ModuleWarning)
class SuppressionMixin(EmitMixin):
suppress = [util.suppress(message=CLASS_WARNING_MSG)]
def testSuppressMethod(self):
self._emit()
testSuppressMethod.suppress = [util.suppress(message=METHOD_WARNING_MSG)]
def testSuppressClass(self):
self._emit()
def testOverrideSuppressClass(self):
self._emit()
testOverrideSuppressClass.suppress = []
class SetUpSuppressionMixin(object):
def setUp(self):
self._emit()
class TearDownSuppressionMixin(object):
def tearDown(self):
self._emit()
class TestSuppression2Mixin(EmitMixin):
def testSuppressModule(self):
self._emit()
suppress = [util.suppress(message=MODULE_WARNING_MSG)]
class SynchronousTestSuppression(SuppressionMixin, unittest.SynchronousTestCase):
pass
class SynchronousTestSetUpSuppression(SetUpSuppressionMixin, SynchronousTestSuppression):
pass
class SynchronousTestTearDownSuppression(TearDownSuppressionMixin, SynchronousTestSuppression):
pass
class SynchronousTestSuppression2(TestSuppression2Mixin, unittest.SynchronousTestCase):
pass
class AsynchronousTestSuppression(SuppressionMixin, unittest.TestCase):
pass
class AsynchronousTestSetUpSuppression(SetUpSuppressionMixin, AsynchronousTestSuppression):
pass
class AsynchronousTestTearDownSuppression(TearDownSuppressionMixin, AsynchronousTestSuppression):
pass
class AsynchronousTestSuppression2(TestSuppression2Mixin, unittest.TestCase):
pass
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