/usr/lib/python2.7/dist-packages/kombu/tests/case.py is in python-kombu 3.0.33-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import os
import sys
import types
from functools import wraps
try:
from unittest import mock
except ImportError:
import mock # noqa
from nose import SkipTest
from kombu.five import builtins, string_t, StringIO
from kombu.utils.encoding import ensure_bytes
try:
import unittest
unittest.skip
except AttributeError:
import unittest2 as unittest # noqa
PY3 = sys.version_info[0] == 3
MagicMock = mock.MagicMock
patch = mock.patch
call = mock.call
class Case(unittest.TestCase):
def assertItemsEqual(self, a, b, *args, **kwargs):
return self.assertEqual(sorted(a), sorted(b), *args, **kwargs)
assertSameElements = assertItemsEqual
class Mock(mock.Mock):
def __init__(self, *args, **kwargs):
attrs = kwargs.pop('attrs', None) or {}
super(Mock, self).__init__(*args, **kwargs)
for attr_name, attr_value in attrs.items():
setattr(self, attr_name, attr_value)
class _ContextMock(Mock):
"""Dummy class implementing __enter__ and __exit__
as the with statement requires these to be implemented
in the class, not just the instance."""
def __enter__(self):
return self
def __exit__(self, *exc_info):
pass
def ContextMock(*args, **kwargs):
obj = _ContextMock(*args, **kwargs)
obj.attach_mock(Mock(), '__enter__')
obj.attach_mock(Mock(), '__exit__')
obj.__enter__.return_value = obj
# if __exit__ return a value the exception is ignored,
# so it must return None here.
obj.__exit__.return_value = None
return obj
class MockPool(object):
def __init__(self, value=None):
self.value = value or ContextMock()
def acquire(self, **kwargs):
return self.value
def redirect_stdouts(fun):
@wraps(fun)
def _inner(*args, **kwargs):
sys.stdout = StringIO()
sys.stderr = StringIO()
try:
return fun(*args, **dict(kwargs,
stdout=sys.stdout, stderr=sys.stderr))
finally:
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
return _inner
def module_exists(*modules):
def _inner(fun):
@wraps(fun)
def __inner(*args, **kwargs):
gen = []
for module in modules:
if isinstance(module, string_t):
if not PY3:
module = ensure_bytes(module)
module = types.ModuleType(module)
gen.append(module)
sys.modules[module.__name__] = module
name = module.__name__
if '.' in name:
parent, _, attr = name.rpartition('.')
setattr(sys.modules[parent], attr, module)
try:
return fun(*args, **kwargs)
finally:
for module in gen:
sys.modules.pop(module.__name__, None)
return __inner
return _inner
# Taken from
# http://bitbucket.org/runeh/snippets/src/tip/missing_modules.py
def mask_modules(*modnames):
def _inner(fun):
@wraps(fun)
def __inner(*args, **kwargs):
realimport = builtins.__import__
def myimp(name, *args, **kwargs):
if name in modnames:
raise ImportError('No module named %s' % name)
else:
return realimport(name, *args, **kwargs)
builtins.__import__ = myimp
try:
return fun(*args, **kwargs)
finally:
builtins.__import__ = realimport
return __inner
return _inner
def skip_if_environ(env_var_name):
def _wrap_test(fun):
@wraps(fun)
def _skips_if_environ(*args, **kwargs):
if os.environ.get(env_var_name):
raise SkipTest('SKIP %s: %s set\n' % (
fun.__name__, env_var_name))
return fun(*args, **kwargs)
return _skips_if_environ
return _wrap_test
def skip_if_module(module):
def _wrap_test(fun):
@wraps(fun)
def _skip_if_module(*args, **kwargs):
try:
__import__(module)
raise SkipTest('SKIP %s: %s available\n' % (
fun.__name__, module))
except ImportError:
pass
return fun(*args, **kwargs)
return _skip_if_module
return _wrap_test
def skip_if_not_module(module, import_errors=(ImportError, )):
def _wrap_test(fun):
@wraps(fun)
def _skip_if_not_module(*args, **kwargs):
try:
__import__(module)
except import_errors:
raise SkipTest('SKIP %s: %s available\n' % (
fun.__name__, module))
return fun(*args, **kwargs)
return _skip_if_not_module
return _wrap_test
def skip_if_quick(fun):
return skip_if_environ('QUICKTEST')(fun)
def case_no_pypy(cls):
setup = cls.setUp
@wraps(setup)
def around_setup(self):
if getattr(sys, 'pypy_version_info', None):
raise SkipTest('pypy incompatible')
setup(self)
cls.setUp = around_setup
return cls
def case_no_python3(cls):
setup = cls.setUp
@wraps(setup)
def around_setup(self):
if PY3:
raise SkipTest('Python3 incompatible')
setup(self)
cls.setUp = around_setup
return cls
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