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testSecurityManager.py
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testSecurityManager.py
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##############################################################################
#
# Copyright (c) 2005 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 the SecurityManager implementations
"""
import os
import unittest
_THREAD_ID = 123
class DummyContext:
def __init__(self):
self.user = object()
self.stack = []
class DummyPolicy:
CHECK_PERMISSION_ARGS = None
CHECK_PERMISSION_RESULT = object()
VALIDATE_ARGS = None
def checkPermission(self, *args):
self.CHECK_PERMISSION_ARGS = args
return self.CHECK_PERMISSION_RESULT
def validate(self, *args):
self.VALIDATE_ARGS = args
return True
class ExecutableObject:
def __init__(self, new_policy):
self._new_policy = new_policy
def _customSecurityPolicy(self):
return self._new_policy
class ISecurityManagerConformance:
def test_conforms_to_ISecurityManager(self):
from zope.interface.verify import verifyClass
from AccessControl.interfaces import ISecurityManager
verifyClass(ISecurityManager, self._getTargetClass())
class SecurityManagerTestBase:
def _makeOne(self, thread_id, context):
return self._getTargetClass()(thread_id, context)
def test_getUser(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
self.assertTrue(mgr.getUser() is context.user)
def test_calledByExecutable_no_stack(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
self.assertFalse(mgr.calledByExecutable())
def test_calledByExecutable_with_stack(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
executableObject = object()
mgr.addContext(executableObject)
self.assertTrue(mgr.calledByExecutable())
def test_addContext_no_custom_policy(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
original_policy = mgr._policy
executableObject = object()
mgr.addContext(executableObject)
self.assertTrue(mgr._policy is original_policy)
def test_addContext_with_custom_policy(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
new_policy = DummyPolicy()
executableObject = ExecutableObject(new_policy)
mgr.addContext(executableObject)
self.assertTrue(mgr._policy is new_policy)
def test_addContext_with_custom_policy_then_none(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
original_policy = mgr._policy
new_policy = DummyPolicy()
executableObject = ExecutableObject(new_policy)
mgr.addContext(executableObject)
mgr.addContext(object())
self.assertTrue(mgr._policy is original_policy)
def test_removeContext_pops_items_above_EO(self):
context = DummyContext()
ALPHA, BETA, GAMMA, DELTA = object(), object(), object(), object()
context.stack.append(ALPHA)
context.stack.append(BETA)
context.stack.append(GAMMA)
context.stack.append(DELTA)
mgr = self._makeOne(_THREAD_ID, context)
mgr.removeContext(GAMMA)
self.assertEqual(len(context.stack), 2)
self.assertTrue(context.stack[0] is ALPHA)
self.assertTrue(context.stack[1] is BETA)
def test_removeContext_last_EO_restores_default_policy(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
original_policy = mgr._policy
top = object()
context.stack.append(top)
mgr.removeContext(top)
self.assertTrue(mgr._policy is original_policy)
def test_removeContext_with_top_having_custom_policy(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
new_policy = DummyPolicy()
context.stack.append(ExecutableObject(new_policy))
top = object()
context.stack.append(top)
mgr.removeContext(top)
self.assertTrue(mgr._policy is new_policy)
def test_removeContext_with_top_having_no_custom_policy(self):
context = DummyContext()
mgr = self._makeOne(_THREAD_ID, context)
original_policy = mgr._policy
new_policy = DummyPolicy()
executableObject = ExecutableObject(new_policy)
context.stack.append(executableObject)
top = object()
context.stack.append(top)
mgr.removeContext(executableObject)
self.assertTrue(mgr._policy is original_policy)
def test_checkPermission_delegates_to_policy(self):
context = DummyContext()
PERMISSION = 'PERMISSION'
TARGET = object()
mgr = self._makeOne(_THREAD_ID, context)
new_policy = mgr._policy = DummyPolicy()
result = mgr.checkPermission(PERMISSION, TARGET)
self.assertTrue(result is DummyPolicy.CHECK_PERMISSION_RESULT)
self.assertTrue(new_policy.CHECK_PERMISSION_ARGS[0] is PERMISSION)
self.assertTrue(new_policy.CHECK_PERMISSION_ARGS[1] is TARGET)
self.assertTrue(new_policy.CHECK_PERMISSION_ARGS[2] is context)
def test_validate_without_roles_delegates_to_policy(self):
context = DummyContext()
ACCESSED = object()
CONTAINER = object()
NAME = 'NAME'
VALUE = object()
mgr = self._makeOne(_THREAD_ID, context)
new_policy = mgr._policy = DummyPolicy()
result = mgr.validate(ACCESSED,
CONTAINER,
NAME,
VALUE,
)
self.assertTrue(result)
self.assertEqual(len(new_policy.VALIDATE_ARGS), 5)
self.assertTrue(new_policy.VALIDATE_ARGS[0] is ACCESSED)
self.assertTrue(new_policy.VALIDATE_ARGS[1] is CONTAINER)
self.assertEqual(new_policy.VALIDATE_ARGS[2], NAME)
self.assertTrue(new_policy.VALIDATE_ARGS[3] is VALUE)
self.assertTrue(new_policy.VALIDATE_ARGS[4] is context)
def test_validate_with_roles_delegates_to_policy(self):
context = DummyContext()
ACCESSED = object()
CONTAINER = object()
NAME = 'NAME'
VALUE = object()
ROLES = ('Hamlet', 'Othello')
mgr = self._makeOne(_THREAD_ID, context)
new_policy = mgr._policy = DummyPolicy()
result = mgr.validate(ACCESSED,
CONTAINER,
NAME,
VALUE,
ROLES,
)
self.assertTrue(result)
self.assertEqual(len(new_policy.VALIDATE_ARGS), 6)
self.assertTrue(new_policy.VALIDATE_ARGS[0] is ACCESSED)
self.assertTrue(new_policy.VALIDATE_ARGS[1] is CONTAINER)
self.assertEqual(new_policy.VALIDATE_ARGS[2], NAME)
self.assertTrue(new_policy.VALIDATE_ARGS[3] is VALUE)
self.assertTrue(new_policy.VALIDATE_ARGS[4] is context)
self.assertEqual(new_policy.VALIDATE_ARGS[5], ROLES)
def test_DTMLValidate_delegates_to_policy_validate(self):
context = DummyContext()
ACCESSED = object()
CONTAINER = object()
NAME = 'NAME'
VALUE = object()
MD = {}
mgr = self._makeOne(_THREAD_ID, context)
new_policy = mgr._policy = DummyPolicy()
result = mgr.DTMLValidate(ACCESSED,
CONTAINER,
NAME,
VALUE,
MD,
)
self.assertTrue(result)
self.assertEqual(len(new_policy.VALIDATE_ARGS), 5)
self.assertTrue(new_policy.VALIDATE_ARGS[0] is ACCESSED)
self.assertTrue(new_policy.VALIDATE_ARGS[1] is CONTAINER)
self.assertEqual(new_policy.VALIDATE_ARGS[2], NAME)
self.assertTrue(new_policy.VALIDATE_ARGS[3] is VALUE)
self.assertTrue(new_policy.VALIDATE_ARGS[4] is context)
class PythonSecurityManagerTests(SecurityManagerTestBase,
ISecurityManagerConformance,
unittest.TestCase):
def _getTargetClass(self):
from AccessControl.ImplPython import SecurityManager
return SecurityManager
@unittest.skipIf(os.environ.get('PURE_PYTHON'), reason="Test expects C impl.")
class C_SecurityManagerTests(SecurityManagerTestBase,
ISecurityManagerConformance,
unittest.TestCase):
# The C version mixes in the Python version, which is why we
# can test for conformance to ISecurityManager.
def _getTargetClass(self):
from AccessControl.ImplC import SecurityManager
return SecurityManager