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test_checker.py
2126 lines (1790 loc) · 79.6 KB
/
test_checker.py
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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Tests for zope.security.checker
"""
import unittest
def _skip_if_not_Py2(testfunc):
import sys
return unittest.skipIf(sys.version_info[0] >= 3, "Needs Python 2")(testfunc)
def _skip_if_no_btrees(testfunc):
try:
import BTrees
except ImportError:
return unittest.skip("BTrees is not installed")(testfunc)
else:
return testfunc
class Test_ProxyFactory(unittest.TestCase):
def _callFUT(self, object, checker=None):
from zope.security.checker import ProxyFactory
return ProxyFactory(object, checker)
def test_w_already_proxied_no_checker(self):
from zope.security.proxy import Proxy, getChecker
obj = object()
def _check(*x):
pass
proxy = Proxy(obj, _check)
returned = self._callFUT(proxy, None)
self.assertTrue(returned is proxy)
self.assertTrue(getChecker(returned) is _check)
def test_w_already_proxied_same_checker(self):
from zope.security.proxy import Proxy, getChecker
obj = object()
def _check(*x):
pass
proxy = Proxy(obj, _check)
returned = self._callFUT(proxy, _check)
self.assertTrue(returned is proxy)
self.assertTrue(getChecker(returned) is _check)
def test_w_already_proxied_different_checker(self):
from zope.security.proxy import Proxy
obj = object()
def _check(*x):
pass
proxy = Proxy(obj, _check)
def _sneaky(*x):
pass
self.assertRaises(TypeError, self._callFUT, proxy, _sneaky)
def test_w_explicit_checker(self):
from zope.security.proxy import getChecker
obj = object()
def _check(*x):
pass
returned = self._callFUT(obj, _check)
self.assertFalse(returned is obj)
self.assertTrue(getChecker(returned) is _check)
def test_no_checker_no_dunder_no_select(self):
obj = object()
returned = self._callFUT(obj)
self.assertTrue(returned is obj)
def test_no_checker_w_dunder(self):
from zope.security.proxy import getChecker, getObject
_check = object() # don't use a func, due to bound method
class _WithChecker(object):
__Security_checker__ = _check
obj = _WithChecker()
returned = self._callFUT(obj)
self.assertFalse(returned is obj)
self.assertTrue(getObject(returned) is obj)
self.assertTrue(getChecker(returned) is _check)
def test_no_checker_no_dunder_w_select(self):
from zope.security.checker import Checker
from zope.security.checker import _checkers
from zope.security.checker import _clear
from zope.security.proxy import getChecker, getObject
class _Obj(object):
pass
obj = _Obj()
_checker = Checker({})
def _check(*args):
return _checker
_checkers[_Obj] = _check
try:
returned = self._callFUT(obj)
self.assertFalse(returned is obj)
self.assertTrue(getObject(returned) is obj)
self.assertTrue(getChecker(returned) is _checker)
finally:
_clear()
class Test_canWrite(unittest.TestCase):
def _callFUT(self, obj, name):
from zope.security.checker import canWrite
return canWrite(obj, name)
def _makeChecker(self, ch_get=None, ch_set=None):
class _Checker(object):
def check_getattr(self, obj, name):
if ch_get is not None:
raise ch_get()
def check_setattr(self, obj, name):
if ch_set is not None:
raise ch_set()
return _Checker()
def test_ok(self):
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker())
self.assertTrue(self._callFUT(proxy, 'whatever'))
def test_w_setattr_unauth(self):
from zope.security.interfaces import Unauthorized
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker(ch_set=Unauthorized))
self.assertFalse(self._callFUT(proxy, 'whatever'))
def test_w_setattr_forbidden_getattr_allowed(self):
from zope.security.interfaces import ForbiddenAttribute
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker(ch_set=ForbiddenAttribute))
self.assertFalse(self._callFUT(proxy, 'whatever'))
def test_w_setattr_forbidden_getattr_unauth(self):
from zope.security.interfaces import ForbiddenAttribute
from zope.security.interfaces import Unauthorized
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker(ch_get=Unauthorized,
ch_set=ForbiddenAttribute))
self.assertFalse(self._callFUT(proxy, 'whatever'))
def test_w_setattr_forbidden_getattr_forbidden(self):
from zope.security.interfaces import ForbiddenAttribute
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker(ch_get=ForbiddenAttribute,
ch_set=ForbiddenAttribute))
self.assertRaises(ForbiddenAttribute, self._callFUT, proxy, 'whatever')
class Test_canAccess(unittest.TestCase):
def _callFUT(self, obj, name):
from zope.security.checker import canAccess
return canAccess(obj, name)
def _makeChecker(self, ch_get=None):
class _Checker(object):
def check_getattr(self, obj, name):
if ch_get is not None:
raise ch_get()
return _Checker()
def test_ok(self):
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker())
self.assertTrue(self._callFUT(proxy, 'whatever'))
def test_w_getattr_unauth(self):
from zope.security.interfaces import Unauthorized
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker(ch_get=Unauthorized))
self.assertFalse(self._callFUT(proxy, 'whatever'))
def test_w_setattr_forbidden_getattr_allowed(self):
from zope.security.interfaces import ForbiddenAttribute
from zope.security.proxy import Proxy
obj = object()
proxy = Proxy(obj, self._makeChecker(ch_get=ForbiddenAttribute))
self.assertRaises(ForbiddenAttribute, self._callFUT, proxy, 'whatever')
_marker = []
class CheckerTestsBase(object):
def _getTargetClass(self):
from zope.security.checker import Checker
return Checker
def _makeOne(self, get_permissions=_marker, set_permissions=_marker):
if get_permissions is _marker:
get_permissions = {}
if set_permissions is _marker:
return self._getTargetClass()(get_permissions)
return self._getTargetClass()(get_permissions, set_permissions)
def test_class_conforms_to_IChecker(self):
from zope.interface.verify import verifyClass
from zope.security.interfaces import IChecker
verifyClass(IChecker, self._getTargetClass())
def test_instance_conforms_to_IChecker(self):
from zope.interface.verify import verifyObject
from zope.security.interfaces import IChecker
verifyObject(IChecker, self._makeOne())
def test_ctor_w_non_dict_get_permissions(self):
self.assertRaises(TypeError, self._makeOne, object())
def test_ctor_w_non_dict_set_permissions(self):
self.assertRaises(TypeError, self._makeOne, {}, object())
def test_permission_id_miss(self):
checker = self._makeOne()
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_permission_id_hit(self):
checker = self._makeOne({'name': 'PERMISSION'})
self.assertEqual(checker.permission_id('name'), 'PERMISSION')
def test_setattr_permission_id_miss_none_set(self):
checker = self._makeOne()
self.assertTrue(checker.setattr_permission_id('nonesuch') is None)
def test_setattr_permission_id_miss(self):
checker = self._makeOne(set_permissions={'name': 'PERMISSION'})
self.assertTrue(checker.setattr_permission_id('nonesuch') is None)
def test_setattr_permission_id_hit(self):
checker = self._makeOne(set_permissions={'name': 'PERMISSION'})
self.assertEqual(checker.setattr_permission_id('name'), 'PERMISSION')
def test_check_setattr_miss_none_set(self):
from zope.security.interfaces import ForbiddenAttribute
checker = self._makeOne()
obj = object()
self.assertRaises(ForbiddenAttribute,
checker.check_setattr, obj, 'nonesuch')
def test_check_setattr_miss(self):
from zope.security.interfaces import ForbiddenAttribute
checker = self._makeOne(set_permissions={'name': 'PERMISSION'})
obj = object()
self.assertRaises(ForbiddenAttribute,
checker.check_setattr, obj, 'nonesuch')
def test_check_setattr_public(self):
from zope.security.checker import CheckerPublic
checker = self._makeOne(set_permissions={'name': CheckerPublic})
obj = object()
self.assertEqual(checker.check_setattr(obj, 'name'), None)
def test_check_setattr_w_interaction_allows(self):
from zope.security._definitions import thread_local
class _Interaction(object):
def checkPermission(self, obj, perm):
return True
checker = self._makeOne(set_permissions={'name': 'view'})
obj = object()
thread_local.interaction = _Interaction()
try:
self.assertEqual(checker.check_setattr(obj, 'name'), None)
finally:
del thread_local.interaction
def test_check_setattr_w_interaction_denies(self):
from zope.security.interfaces import Unauthorized
from zope.security._definitions import thread_local
class _Interaction(object):
def checkPermission(self, obj, perm):
return False
checker = self._makeOne(set_permissions={'name': 'view'})
obj = object()
thread_local.interaction = _Interaction()
try:
self.assertRaises(Unauthorized,
checker.check_setattr, obj, 'name')
finally:
del thread_local.interaction
def test_check_miss(self):
from zope.security.interfaces import ForbiddenAttribute
checker = self._makeOne()
obj = object()
self.assertRaises(ForbiddenAttribute,
checker.check, obj, 'nonesuch')
def test_check_available_by_default(self):
checker = self._makeOne()
obj = object()
self.assertEqual(checker.check(obj, '__repr__'), None)
def test_check_public(self):
from zope.security.checker import CheckerPublic
checker = self._makeOne({'name': CheckerPublic})
obj = object()
self.assertEqual(checker.check(obj, 'name'), None)
def test_check_non_public_w_interaction_allows(self):
from zope.security._definitions import thread_local
class _Interaction(object):
def checkPermission(self, obj, perm):
return True
checker = self._makeOne({'name': 'view'})
obj = object()
thread_local.interaction = _Interaction()
try:
self.assertEqual(checker.check(obj, 'name'), None)
finally:
del thread_local.interaction
def test_check_non_public_w_interaction_denies(self):
from zope.security.interfaces import Unauthorized
from zope.security._definitions import thread_local
class _Interaction(object):
def checkPermission(self, obj, perm):
return False
checker = self._makeOne({'name': 'view'})
obj = object()
thread_local.interaction = _Interaction()
try:
self.assertRaises(Unauthorized,
checker.check, obj, 'name')
finally:
del thread_local.interaction
def test_proxy_already_proxied(self):
from zope.security.proxy import Proxy, getChecker
obj = object()
def _check(*x):
pass
proxy = Proxy(obj, _check)
checker = self._makeOne({'name': 'view'})
returned = checker.proxy(proxy)
self.assertTrue(returned is proxy)
self.assertTrue(getChecker(returned) is _check)
def test_proxy_no_dunder_no_select(self):
obj = object()
checker = self._makeOne()
returned = checker.proxy(obj)
self.assertTrue(returned is obj)
def test_proxy_no_checker_w_dunder(self):
from zope.security.proxy import getChecker, getObject
_check = object() # don't use a func, due to bound method
class _WithChecker(object):
__Security_checker__ = _check
obj = _WithChecker()
checker = self._makeOne()
returned = checker.proxy(obj)
self.assertFalse(returned is obj)
self.assertTrue(getObject(returned) is obj)
self.assertTrue(getChecker(returned) is _check)
def test_proxy_no_checker_no_dunder_w_select(self):
from zope.security.checker import Checker
from zope.security.checker import _checkers
from zope.security.checker import _clear
from zope.security.proxy import getChecker, getObject
class _Obj(object):
pass
obj = _Obj()
_checker = Checker({})
def _check(*args):
return _checker
_checkers[_Obj] = _check
try:
checker = self._makeOne()
returned = checker.proxy(obj)
self.assertFalse(returned is obj)
self.assertTrue(getObject(returned) is obj)
self.assertTrue(getChecker(returned) is _checker)
finally:
_clear()
def _check_iteration_of_dict_like(self, dict_like):
from zope.security.proxy import Proxy
from zope.security.checker import Checker
from zope.security.checker import _default_checkers
checker = _default_checkers[dict]
proxy = Proxy(dict_like, checker)
# empty
self.assertEqual([], list(proxy.items()))
self.assertEqual([], list(proxy.keys()))
self.assertEqual([], list(proxy.values()))
self.assertEqual([], list(proxy))
# With an object
dict_like[1] = 2
self.assertEqual([(1, 2)], list(proxy.items()))
self.assertEqual([1], list(proxy.keys()))
self.assertEqual([1], list(proxy))
self.assertEqual([2], list(proxy.values()))
@_skip_if_no_btrees
def test_iteration_of_btree_items_keys_values(self):
# iteration of BTree.items() is allowed by default.
import BTrees
for name in ('IF', 'II', 'IO', 'OI', 'OO'):
for family_name in ('family32', 'family64'):
family = getattr(BTrees, family_name)
btree = getattr(family, name).BTree()
self._check_iteration_of_dict_like(btree)
def test_iteration_of_odict_items_keys_values(self):
# iteration of OrderedDict.items() is allowed by default.
from collections import OrderedDict
odict = OrderedDict()
self._check_iteration_of_dict_like(odict)
def test_iteration_of_dict_items_keys_values(self):
# iteration of regular dict is allowed by default
self._check_iteration_of_dict_like(dict())
class CheckerPyTests(unittest.TestCase, CheckerTestsBase):
def _getTargetClass(self):
from zope.security.checker import CheckerPy
return CheckerPy
class CheckerTests(unittest.TestCase, CheckerTestsBase):
def _getTargetClass(self):
from zope.security.checker import Checker
return Checker
class TracebackSupplementTests(unittest.TestCase):
def _getTargetClass(self):
from zope.security.checker import TracebackSupplement
return TracebackSupplement
def _makeOne(self, obj):
return self._getTargetClass()(obj)
def test_getInfo_builtin_types(self):
from zope.security._compat import _BUILTINS
for val, typ in [('', 'str'),
(0, 'int'),
(1.0, 'float'),
((), 'tuple'),
([], 'list'),
({}, 'dict'),
]:
tbs = self._makeOne(val)
self.assertEqual(tbs.getInfo().splitlines(),
[' - class: %s.%s' % (_BUILTINS, typ),
' - type: %s.%s' % (_BUILTINS, typ),
])
def test_getInfo_newstyle_instance(self):
class C(object):
pass
tbs = self._makeOne(C())
self.assertEqual(tbs.getInfo().splitlines(),
[' - class: %s.C' % self.__class__.__module__,
' - type: %s.C' % self.__class__.__module__,
])
@_skip_if_not_Py2
def test_getInfo_classic_instance(self):
exec("class C: pass", globals(), locals())
tbs = self._makeOne(locals()['C']())
self.assertEqual(tbs.getInfo().splitlines(),
[' - class: %s.C' % self.__class__.__module__,
' - type: __builtin__.instance',
])
class GlobalTests(unittest.TestCase):
def _getTargetClass(self):
from zope.security.checker import Global
return Global
def _makeOne(self, name, module=_marker):
if module is _marker:
return self._getTargetClass()(name)
return self._getTargetClass()(name, module)
def test_ctor_name_and_module(self):
global glob
glob = self._makeOne('foo', 'bar.baz')
self.assertEqual(glob.__name__, 'foo')
self.assertEqual(glob.__module__, 'bar.baz')
def test___reduce__(self):
glob = self._makeOne('foo', 'bar.baz')
self.assertEqual(glob.__reduce__(), 'foo')
def test___repr__(self):
glob = self._makeOne('foo', 'bar.baz')
self.assertEqual(repr(glob), 'Global(foo,bar.baz)')
class Test_NamesChecker(unittest.TestCase):
def _callFUT(self, *args, **kw):
from zope.security.checker import NamesChecker
return NamesChecker(*args, **kw)
def test_empty_names_no_kw(self):
from zope.interface.verify import verifyObject
from zope.security.interfaces import IChecker
checker = self._callFUT()
verifyObject(IChecker, checker)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_names_no_kw(self):
from zope.security.checker import CheckerPublic
checker = self._callFUT(('foo', 'bar', 'baz'))
self.assertTrue(checker.permission_id('foo') is CheckerPublic)
self.assertTrue(checker.permission_id('bar') is CheckerPublic)
self.assertTrue(checker.permission_id('baz') is CheckerPublic)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_names_no_kw_explicit_permission(self):
other_perm = object()
checker = self._callFUT(('foo', 'bar', 'baz'),
permission_id=other_perm)
self.assertTrue(checker.permission_id('foo') is other_perm)
self.assertTrue(checker.permission_id('bar') is other_perm)
self.assertTrue(checker.permission_id('baz') is other_perm)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_names_w_kw_no_clash(self):
from zope.security.checker import CheckerPublic
other_perm = object()
checker = self._callFUT(('foo', 'bar', 'baz'), bam=other_perm)
self.assertTrue(checker.permission_id('foo') is CheckerPublic)
self.assertTrue(checker.permission_id('bar') is CheckerPublic)
self.assertTrue(checker.permission_id('baz') is CheckerPublic)
self.assertTrue(checker.permission_id('bam') is other_perm)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_names_w_kw_w_clash(self):
from zope.security.checker import DuplicationError
other_perm = object()
self.assertRaises(DuplicationError,
self._callFUT, ('foo',), foo=other_perm)
class Test_InterfaceChecker(unittest.TestCase):
def _callFUT(self, *args, **kw):
from zope.security.checker import InterfaceChecker
return InterfaceChecker(*args, **kw)
def test_simple_iface_wo_kw(self):
from zope.interface import Attribute
from zope.interface import Interface
from zope.security.checker import CheckerPublic
class IFoo(Interface):
bar = Attribute('Bar')
checker = self._callFUT(IFoo)
self.assertTrue(checker.permission_id('bar') is CheckerPublic)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_simple_iface_w_explicit_permission(self):
from zope.interface import Attribute
from zope.interface import Interface
class IFoo(Interface):
bar = Attribute('Bar')
other_perm = object()
checker = self._callFUT(IFoo, other_perm)
self.assertTrue(checker.permission_id('bar') is other_perm)
def test_simple_iface_w_kw(self):
from zope.interface import Attribute
from zope.interface import Interface
from zope.security.checker import CheckerPublic
class IFoo(Interface):
bar = Attribute('Bar')
other_perm = object()
checker = self._callFUT(IFoo, baz=other_perm)
self.assertTrue(checker.permission_id('bar') is CheckerPublic)
self.assertTrue(checker.permission_id('baz') is other_perm)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_derived_iface(self):
from zope.interface import Attribute
from zope.interface import Interface
from zope.security.checker import CheckerPublic
class IFoo(Interface):
bar = Attribute('Bar')
class IBar(IFoo):
baz = Attribute('Baz')
checker = self._callFUT(IBar)
self.assertTrue(checker.permission_id('bar') is CheckerPublic)
self.assertTrue(checker.permission_id('baz') is CheckerPublic)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_clash(self):
from zope.interface import Attribute
from zope.interface import Interface
from zope.security.checker import DuplicationError
class IFoo(Interface):
bar = Attribute('Bar')
bam = Attribute('Bam')
other_perm = object()
self.assertRaises(DuplicationError,
self._callFUT, IFoo, bar=other_perm)
class Test_MultiChecker(unittest.TestCase):
def _callFUT(self, specs):
from zope.security.checker import MultiChecker
return MultiChecker(specs)
def test_empty(self):
from zope.interface.verify import verifyObject
from zope.security.interfaces import IChecker
checker = self._callFUT([])
verifyObject(IChecker, checker)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_spec_as_names(self):
from zope.security.checker import CheckerPublic
checker = self._callFUT([(('foo', 'bar', 'baz'), CheckerPublic)])
self.assertTrue(checker.permission_id('foo') is CheckerPublic)
self.assertTrue(checker.permission_id('bar') is CheckerPublic)
self.assertTrue(checker.permission_id('baz') is CheckerPublic)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_spec_as_iface(self):
from zope.interface import Attribute
from zope.interface import Interface
class IFoo(Interface):
bar = Attribute('Bar')
other_perm = object()
checker = self._callFUT([(IFoo, other_perm)])
self.assertTrue(checker.permission_id('bar') is other_perm)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_spec_as_names_and_iface(self):
from zope.interface import Attribute
from zope.interface import Interface
from zope.security.checker import CheckerPublic
class IFoo(Interface):
bar = Attribute('Bar')
other_perm = object()
checker = self._callFUT([(IFoo, other_perm),
(('foo', 'baz'), CheckerPublic)])
self.assertTrue(checker.permission_id('foo') is CheckerPublic)
self.assertTrue(checker.permission_id('bar') is other_perm)
self.assertTrue(checker.permission_id('baz') is CheckerPublic)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_spec_as_names_and_iface_clash(self):
from zope.interface import Attribute
from zope.interface import Interface
from zope.security.checker import CheckerPublic
from zope.security.checker import DuplicationError
class IFoo(Interface):
bar = Attribute('Bar')
other_perm = object()
self.assertRaises(DuplicationError,
self._callFUT, [(IFoo, other_perm),
(('foo', 'bar'), CheckerPublic)])
def test_w_spec_as_mapping(self):
from zope.security.checker import CheckerPublic
other_perm = object()
spec = {'foo': CheckerPublic,
'bar': other_perm,
}
checker = self._callFUT([spec])
self.assertTrue(checker.permission_id('foo') is CheckerPublic)
self.assertTrue(checker.permission_id('bar') is other_perm)
self.assertTrue(checker.permission_id('nonesuch') is None)
def test_w_spec_as_names_and_mapping_clash(self):
from zope.security.checker import CheckerPublic
from zope.security.checker import DuplicationError
other_perm = object()
spec = {'foo': other_perm,
}
self.assertRaises(DuplicationError,
self._callFUT,
[(('foo', 'bar'), CheckerPublic), spec])
class _SelectCheckerBase(object):
def setUp(self):
from zope.security.checker import _clear
_clear()
def tearDown(self):
from zope.security.checker import _clear
_clear()
def test_w_basic_types_NoProxy(self):
import datetime
from zope.i18nmessageid import Message
from zope.security._compat import _u
msg = Message('msg')
for obj in [object(),
42,
3.14,
None,
_u('text'),
b'binary',
msg,
True,
datetime.timedelta(1),
datetime.datetime.now(),
datetime.date.today(),
datetime.datetime.now().time(),
datetime.tzinfo(),
]:
self.assertTrue(self._callFUT(obj) is None)
def test_w_checker_inst(self):
from zope.security.checker import Checker
from zope.security.checker import _checkers
class Foo(object):
pass
checker = _checkers[Foo] = Checker({})
self.assertTrue(self._callFUT(Foo()) is checker)
def test_w_factory_returning_checker(self):
from zope.security.checker import Checker
from zope.security.checker import _checkers
class Foo(object):
pass
checker = Checker({})
def _factory(obj):
return checker
_checkers[Foo] = _factory
self.assertTrue(self._callFUT(Foo()) is checker)
def test_w_factory_returning_NoProxy(self):
from zope.security.checker import NoProxy
from zope.security.checker import _checkers
class Foo(object):
pass
def _factory(obj):
return NoProxy
_checkers[Foo] = _factory
self.assertTrue(self._callFUT(Foo()) is None)
def test_w_factory_returning_None(self):
from zope.security.checker import _checkers
class Foo(object):
pass
def _factory(obj):
pass
_checkers[Foo] = _factory
self.assertTrue(self._callFUT(Foo()) is None)
def test_w_factory_factory(self):
from zope.security.checker import Checker
from zope.security.checker import _checkers
class Foo(object):
pass
checker = Checker({})
def _factory(obj):
return checker
def _factory_factory(obj):
return _factory
_checkers[Foo] = _factory_factory
self.assertTrue(self._callFUT(Foo()) is checker)
class Test_selectCheckerPy(unittest.TestCase, _SelectCheckerBase):
def _callFUT(self, obj):
from zope.security.checker import selectCheckerPy
return selectCheckerPy(obj)
class Test_selectChecker(unittest.TestCase, _SelectCheckerBase):
def _callFUT(self, obj):
from zope.security.checker import selectChecker
return selectChecker(obj)
class Test_getCheckerForInstancesOf(unittest.TestCase):
def setUp(self):
from zope.security.checker import _clear
_clear()
def tearDown(self):
from zope.security.checker import _clear
_clear()
def _callFUT(self, obj):
from zope.security.checker import getCheckerForInstancesOf
return getCheckerForInstancesOf(obj)
def test_miss(self):
class Unknown(object):
pass
self.assertTrue(self._callFUT(Unknown) is None)
def test_hit(self):
from zope.security.checker import _checkers
class Foo(object):
pass
checker = _checkers[Foo] = object()
self.assertTrue(self._callFUT(Foo) is checker)
class Test_defineChecker(unittest.TestCase):
def setUp(self):
from zope.security.checker import _clear
_clear()
def tearDown(self):
from zope.security.checker import _clear
_clear()
def _callFUT(self, type_, checker):
from zope.security.checker import defineChecker
return defineChecker(type_, checker)
def test_w_wrong_type(self):
from zope.security._compat import _u
checker = object()
for obj in [object(),
42,
3.14,
None,
_u('text'),
b'binary',
True,
]:
self.assertRaises(TypeError, self._callFUT, obj, checker)
def test_w_duplicate(self):
from zope.exceptions import DuplicationError
from zope.security.checker import _checkers
class Foo(object):
pass
checker1, checker2 = object(), object()
_checkers[Foo] = checker1
self.assertRaises(DuplicationError, self._callFUT, Foo, checker2)
def test_w_newstyle_class(self):
from zope.security.checker import _checkers
checker = object()
class Foo(object):
pass
self._callFUT(Foo, checker)
self.assertTrue(_checkers[Foo] is checker)
def test_w_module(self):
import zope.interface
from zope.security.checker import _checkers
checker = object()
self._callFUT(zope.interface, checker)
self.assertTrue(_checkers[zope.interface] is checker)
@_skip_if_not_Py2
def test_w_oldstyle_class(self):
from zope.security.checker import _checkers
checker = object()
class Foo:
pass
self._callFUT(Foo, checker)
self.assertTrue(_checkers[Foo] is checker)
class Test_undefineChecker(unittest.TestCase):
def setUp(self):
from zope.security.checker import _clear
_clear()
def tearDown(self):
from zope.security.checker import _clear
_clear()
def _callFUT(self, type_):
from zope.security.checker import undefineChecker
return undefineChecker(type_)
def test_miss(self):
class Foo(object):
pass
self.assertRaises(KeyError, self._callFUT, Foo)
def test_hit(self):
from zope.security.checker import _checkers
class Foo(object):
pass
checker = _checkers[Foo] = object()
self._callFUT(Foo)
self.assertFalse(Foo in _checkers)
class CombinedCheckerTests(unittest.TestCase):
def _getTargetClass(self):
from zope.security.checker import CombinedChecker
return CombinedChecker
def _makeOne(self, checker1=None, checker2=None):
if checker1 is None:
checker1 = self._makeOther()
if checker2 is None:
checker1 = self._makeOther()
return self._getTargetClass()(checker1, checker2)
def _makeOther(self, get_permissions=None, set_permissions=None):
from zope.security.checker import Checker
if get_permissions is None:
get_permissions = {}
if set_permissions is None:
set_permissions = {}
return Checker(get_permissions, set_permissions)
def test_class_conforms_to_IChecker(self):
from zope.interface.verify import verifyClass
from zope.security.interfaces import IChecker
verifyClass(IChecker, self._getTargetClass())
def test_instance_conforms_to_IChecker(self):
from zope.interface.verify import verifyObject
from zope.security.interfaces import IChecker
verifyObject(IChecker, self._makeOne())
def test_check_lhs_ok_rhs_not_called(self):
from zope.security.checker import CheckerPublic
from zope.security.checker import Checker
class _NeverCalled(Checker):
def check(self, *args, **kw):
raise AssertionError
obj = object()
lhs = self._makeOther({'name': CheckerPublic})
rhs = _NeverCalled({})
combined = self._makeOne(lhs, rhs)
combined.check(object(), 'name') # no raise
def test_check_lhs_unauth_rhs_ok(self):
from zope.security.checker import CheckerPublic
from zope.security._definitions import thread_local
class _Interaction(object):
def checkPermission(self, obj, perm):
return False
obj = object()
lhs = self._makeOther({'name': 'view'}) # unauth
rhs = self._makeOther({'name': CheckerPublic})
combined = self._makeOne(lhs, rhs)
thread_local.interaction = _Interaction()
try:
combined.check(object(), 'name') #no raise
finally:
del thread_local.interaction
def test_check_lhs_unauth_rhs_forbidden(self):
from zope.security.interfaces import Unauthorized
from zope.security._definitions import thread_local
class _Interaction(object):
def checkPermission(self, obj, perm):
return False
obj = object()
lhs = self._makeOther({'name': 'view'}) # unauth
rhs = self._makeOther() # forbidden
combined = self._makeOne(lhs, rhs)
thread_local.interaction = _Interaction()
try:
self.assertRaises(Unauthorized,
combined.check, object(), 'name')
finally:
del thread_local.interaction
def test_check_lhs_unauth_rhs_unauth(self):