/usr/share/pyshared/zope/traversing/tests/test_traverser.py is in python-zope.traversing 3.13.2-2fakesync1.
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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.
#
##############################################################################
"""Traverser Adapter tests.
"""
import unittest
import zope.component
from zope.component.testing import PlacelessSetup
from zope.interface import directlyProvides, implementedBy
from zope.interface.verify import verifyClass
from zope.location.traversing \
import LocationPhysicallyLocatable, RootPhysicallyLocatable
from zope.location.interfaces \
import ILocationInfo, IRoot, LocationError
from zope.security.interfaces import Unauthorized
from zope.security.checker \
import ProxyFactory, defineChecker, CheckerPublic, Checker
from zope.security.management import newInteraction, endInteraction
from zope.traversing.adapters import Traverser, DefaultTraversable
from zope.traversing.interfaces import ITraversable, ITraverser
from zope.container.contained import Contained, contained
class ParticipationStub(object):
def __init__(self, principal):
self.principal = principal
self.interaction = None
class C(Contained):
def __init__(self, name):
self.name = name
class TraverserTests(PlacelessSetup, unittest.TestCase):
def setUp(self):
PlacelessSetup.setUp(self)
# Build up a wrapper chain
self.root = C('root')
self.folder = contained(C('folder'), self.root, name='folder')
self.item = contained(C('item'), self.folder, name='item')
self.tr = Traverser(self.item)
def testImplementsITraverser(self):
self.failUnless(ITraverser.providedBy(self.tr))
def testVerifyInterfaces(self):
for interface in implementedBy(Traverser):
verifyClass(interface, Traverser)
class UnrestrictedNoTraverseTests(unittest.TestCase):
def setUp(self):
self.root = root = C('root')
directlyProvides(self.root, IRoot)
self.folder = folder = C('folder')
self.item = item = C('item')
root.folder = folder
folder.item = item
self.tr = Traverser(root)
def testNoTraversable(self):
self.assertRaises(LocationError, self.tr.traverse,
'folder')
class UnrestrictedTraverseTests(PlacelessSetup, unittest.TestCase):
def setUp(self):
PlacelessSetup.setUp(self)
zope.component.provideAdapter(DefaultTraversable, (None,), ITraversable)
zope.component.provideAdapter(LocationPhysicallyLocatable, (None,),
ILocationInfo)
zope.component.provideAdapter(RootPhysicallyLocatable,
(IRoot,), ILocationInfo)
# Build up a wrapper chain
self.root = root = C('root')
directlyProvides(self.root, IRoot)
self.folder = folder = contained(C('folder'), root, 'folder')
self.item = item = contained(C('item'), folder, 'item')
root.folder = folder
folder.item = item
self.tr = Traverser(root)
def testSimplePathString(self):
tr = self.tr
item = self.item
self.assertEquals(tr.traverse('/folder/item'), item)
self.assertEquals(tr.traverse('folder/item'), item)
self.assertEquals(tr.traverse('/folder/item/'), item)
def testSimplePathUnicode(self):
tr = self.tr
item = self.item
self.assertEquals(tr.traverse(u'/folder/item'), item)
self.assertEquals(tr.traverse(u'folder/item'), item)
self.assertEquals(tr.traverse(u'/folder/item/'), item)
def testSimplePathTuple(self):
tr = self.tr
item = self.item
self.assertEquals(tr.traverse(('', 'folder', 'item')),
item)
self.assertEquals(tr.traverse(('folder', 'item')), item)
def testComplexPathString(self):
tr = self.tr
item = self.item
self.assertEquals(tr.traverse('/folder/../folder/./item'),
item)
def testNotFoundDefault(self):
self.assertEquals(self.tr.traverse('foo', 'notFound'),
'notFound')
def testNotFoundNoDefault(self):
self.assertRaises(LocationError, self.tr.traverse, 'foo')
def testTraverseOldStyleClass(self):
class AnOldStyleClass:
x = object()
container = {}
container['theclass'] = AnOldStyleClass
tr = Traverser(container)
self.assert_(tr.traverse('theclass/x') is AnOldStyleClass.x)
def testTraversingDictSeesDictAPI(self):
adict = {
'foo': 'bar',
'anotherdict': {'bar': 'foo'},
'items': '123',
}
tr = Traverser(adict)
self.assertEqual(tr.traverse('items'), adict.items)
self.assertEqual(tr.traverse('anotherdict/bar'), 'foo')
self.assertEqual(tr.traverse('anotherdict/items'),
adict['anotherdict'].items)
def testTraversingDoesntFailOnStrings(self):
adict = {'foo': 'bar'}
tr = Traverser(adict)
# This used to raise type error before
self.assertRaises(LocationError, tr.traverse, 'foo/baz')
class RestrictedTraverseTests(PlacelessSetup, unittest.TestCase):
_oldPolicy = None
_deniedNames = ()
def setUp(self):
PlacelessSetup.setUp(self)
zope.component.provideAdapter(DefaultTraversable, (None,), ITraversable)
zope.component.provideAdapter(LocationPhysicallyLocatable, (None,),
ILocationInfo)
zope.component.provideAdapter(RootPhysicallyLocatable,
(IRoot,), ILocationInfo)
self.root = root = C('root')
directlyProvides(root, IRoot)
self.folder = folder = contained(C('folder'), root, 'folder')
self.item = item = contained(C('item'), folder, 'item')
root.folder = folder
folder.item = item
self.tr = Traverser(ProxyFactory(root))
def testAllAllowed(self):
defineChecker(C, Checker({'folder': CheckerPublic,
'item': CheckerPublic,
}))
tr = Traverser(ProxyFactory(self.root))
item = self.item
self.assertEquals(tr.traverse(('', 'folder', 'item')), item)
self.assertEquals(tr.traverse(('folder', 'item')), item)
def testItemDenied(self):
endInteraction()
newInteraction(ParticipationStub('no one'))
defineChecker(C, Checker({'item': 'Waaaa', 'folder': CheckerPublic}))
tr = Traverser(ProxyFactory(self.root))
folder = self.folder
self.assertRaises(Unauthorized, tr.traverse,
('', 'folder', 'item'))
self.assertRaises(Unauthorized, tr.traverse,
('folder', 'item'))
self.assertEquals(tr.traverse(('', 'folder')), folder)
self.assertEquals(tr.traverse(('folder', '..', 'folder')),
folder)
self.assertEquals(tr.traverse(('folder',)), folder)
class DefaultTraversableTests(unittest.TestCase):
def testImplementsITraversable(self):
self.failUnless(ITraversable.providedBy(DefaultTraversable(None)))
def testVerifyInterfaces(self):
for interface in implementedBy(DefaultTraversable):
verifyClass(interface, DefaultTraversable)
def testAttributeTraverse(self):
root = C('root')
item = C('item')
root.item = item
df = DefaultTraversable(root)
further = []
next = df.traverse('item', further)
self.failUnless(next is item)
self.assertEquals(further, [])
def testDictionaryTraverse(self):
dict = {}
foo = C('foo')
dict['foo'] = foo
df = DefaultTraversable(dict)
further = []
next = df.traverse('foo', further)
self.failUnless(next is foo)
self.assertEquals(further, [])
def testNotFound(self):
df = DefaultTraversable(C('dummy'))
self.assertRaises(LocationError, df.traverse, 'bar', [])
def test_suite():
loader = unittest.TestLoader()
suite = loader.loadTestsFromTestCase(TraverserTests)
suite.addTest(loader.loadTestsFromTestCase(DefaultTraversableTests))
suite.addTest(loader.loadTestsFromTestCase(UnrestrictedNoTraverseTests))
suite.addTest(loader.loadTestsFromTestCase(UnrestrictedTraverseTests))
suite.addTest(loader.loadTestsFromTestCase(RestrictedTraverseTests))
return suite
if __name__=='__main__':
unittest.TextTestRunner().run(test_suite())
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