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90 lines
3 KiB
Python
90 lines
3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.trial import unittest
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import logging
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# logging doesn't have a "don't log anything at all EVARRRR setting,
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# but since the highest value is 50, 1000000 should do ;)
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NEVER = 1000000
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logging.getLogger().addHandler(logging.StreamHandler())
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logging.getLogger().setLevel(NEVER)
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def around(target):
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"""A CLOS-style 'around' modifier, which wraps the original method of the
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given instance with another piece of code.
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@around(self)
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def method_name(orig, *args, **kwargs):
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return orig(*args, **kwargs)
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"""
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def _around(code):
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name = code.__name__
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orig = getattr(target, name)
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def new(*args, **kwargs):
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return code(orig, *args, **kwargs)
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setattr(target, name, new)
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return _around
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class TestCase(unittest.TestCase):
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"""A subclass of twisted.trial's TestCase which looks for 'loglevel'
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attributes on both itself and its individual test methods, to override the
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root logger's logging level while that test (case|method) runs."""
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def __init__(self, methodName, *args, **kwargs):
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super(TestCase, self).__init__(methodName, *args, **kwargs)
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method = getattr(self, methodName)
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level = getattr(method, "loglevel",
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getattr(self, "loglevel",
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NEVER))
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@around(self)
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def setUp(orig):
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old_level = logging.getLogger().level
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if old_level != level:
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@around(self)
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def tearDown(orig):
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ret = orig()
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logging.getLogger().setLevel(old_level)
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return ret
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logging.getLogger().setLevel(level)
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return orig()
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def assertObjectHasAttributes(self, attrs, obj):
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"""Asserts that the given object has each of the attributes given, and
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that the value of each matches according to assertEquals."""
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for (key, value) in attrs.items():
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if not hasattr(obj, key):
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raise AssertionError("Expected obj to have a '.%s'" % key)
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try:
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self.assertEquals(attrs[key], getattr(obj, key))
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except AssertionError as e:
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raise (type(e))(e.message + " for '.%s'" % key)
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def DEBUG(target):
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"""A decorator to set the .loglevel attribute to logging.DEBUG.
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Can apply to either a TestCase or an individual test method."""
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target.loglevel = logging.DEBUG
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return target
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