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test_CachingPolicyManager.py

##############################################################################
#
# Copyright (c) 2002 Zope Corporation 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.
#
##############################################################################
""" Unit tests for CachingPolicyManager module.

$Id: test_CachingPolicyManager.py 77113 2007-06-26 20:36:26Z yuppie $
"""

import unittest
import Testing

import base64
import os
from os.path import join as path_join

from AccessControl.SecurityManagement import newSecurityManager
from Acquisition import Implicit
from App.Common import rfc1123_date
from DateTime.DateTime import DateTime
from OFS.Cache import Cacheable

from Products.CMFCore.FSDTMLMethod import FSDTMLMethod
from Products.CMFCore.FSPageTemplate import FSPageTemplate
from Products.CMFCore.testing import FunctionalZCMLLayer
from Products.CMFCore.testing import TraversingZCMLLayer
from Products.CMFCore.tests.base.dummy import DummyContent
from Products.CMFCore.tests.base.dummy import DummySite
from Products.CMFCore.tests.base.dummy import DummyTool
from Products.CMFCore.tests.base.testcase import FSDVTest
from Products.CMFCore.tests.base.testcase import RequestTest

ACCLARK = DateTime( '2001/01/01' )
portal_owner = 'portal_owner'


class DummyContent2:

    __allow_access_to_unprotected_subobjects__ = 1

    def __init__(self, modified ):
        self.modified = modified

    def Type( self ):
        return 'Dummy'

    def modified( self ):
        return self.modified

class CacheableDummyContent(Implicit, Cacheable):

    __allow_access_to_unprotected_subobjects__ = 1

    def __init__(self, id):
        self.id = id
        self.modified = DateTime()

    def getId(self):
        """ """
        return self.id

    def modified( self ):
        return self.modified

    def __call__(self):
        """ """
        if self.ZCacheable_isCachingEnabled():
            result = self.ZCacheable_get(default=None)
            if result is not None:
                # We will always get None from RAMCacheManager and HTTP
                # Accelerated Cache Manager but we will get
                # something implementing the IStreamIterator interface
                # from a "FileCacheManager"
                return result

        self.ZCacheable_set(None)

class DummyView(CacheableDummyContent):

    meta_type = 'DTML Method'


class CachingPolicyTests(unittest.TestCase):

    layer = TraversingZCMLLayer

    def _makePolicy( self, policy_id, **kw ):
        from Products.CMFCore.CachingPolicyManager import CachingPolicy

        return CachingPolicy( policy_id, **kw )

    def _makeContext( self, **kw ):
        from Products.CMFCore.CachingPolicyManager import createCPContext
        return createCPContext( DummyContent2(self._epoch)
                              , 'foo_view', kw, self._epoch )

    def setUp(self):
        self._epoch = DateTime(0)

    def test_z3interfaces(self):
        from zope.interface.verify import verifyClass
        from Products.CMFCore.CachingPolicyManager import CachingPolicy
        from Products.CMFCore.interfaces import ICachingPolicy

        verifyClass(ICachingPolicy, CachingPolicy)

    def test_empty( self ):
        policy = self._makePolicy( 'empty' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 1 )
        self.assertEqual( headers[0][0], 'Last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )

    def test_noPassPredicate( self ):

        policy = self._makePolicy( 'noPassPredicate', predicate='nothing' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 0 )

    def test_typePredicate( self ):

        policy = self._makePolicy( 'typePredicate'
                           , predicate='python:object.Type() == "Dummy"' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 1 )
        self.assertEqual( headers[0][0] , 'Last-modified' )
        self.assertEqual( headers[0][1] , rfc1123_date(self._epoch.timeTime()) )

    def test_typePredicateMiss( self ):

        policy = self._makePolicy( 'typePredicate'
                        , predicate='python:object.Type() == "Foolish"' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 0 )

    def test_viewPredicate( self ):

        policy = self._makePolicy( 'viewPredicate'
                                 , predicate='python:view == "foo_view"' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 1 )
        self.assertEqual( headers[0][0], 'Last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )

    def test_viewPredicateMiss( self ):

        policy = self._makePolicy( 'viewPredicateMiss'
                           , predicate='python:view == "bar_view"' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 0 )

    def test_kwPredicate( self ):

        policy = self._makePolicy( 'kwPredicate'
                                 , predicate='python:"foo" in keywords.keys()' )
        context = self._makeContext( foo=1 )
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 1 )
        self.assertEqual( headers[0][0], 'Last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )

    def test_kwPredicateMiss( self ):

        policy = self._makePolicy( 'kwPredicateMiss'
                                 , predicate='python:"foo" in keywords.keys()' )
        context = self._makeContext( bar=1 )
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 0 )

        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 0 )

    def test_mtimeFunc( self ):

        policy = self._makePolicy( 'mtimeFunc'
                                 , mtime_func='string:2001/01/01' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 1 )
        self.assertEqual( headers[0][0], 'Last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(ACCLARK.timeTime()) )

    def test_mtimeFuncNone( self ):

        policy = self._makePolicy( 'mtimeFuncNone'
                                 , mtime_func='nothing' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 0 )

    def test_maxAge( self ):

        policy = self._makePolicy( 'aged', max_age_secs=86400 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 3 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'expires' )
        self.assertEqual( headers[1][1]
                        , rfc1123_date((self._epoch+1).timeTime()) )
        self.assertEqual( headers[2][0].lower() , 'cache-control' )
        self.assertEqual( headers[2][1] , 'max-age=86400' )

    def test_sMaxAge( self ):

        policy = self._makePolicy( 's_aged', s_max_age_secs=86400 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 's-maxage=86400' )
        self.assertEqual(policy.getSMaxAgeSecs(), 86400)

    def test_noCache( self ):

        policy = self._makePolicy( 'noCache', no_cache=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 3 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'pragma' )
        self.assertEqual( headers[1][1] , 'no-cache' )
        self.assertEqual( headers[2][0].lower() , 'cache-control' )
        self.assertEqual( headers[2][1] , 'no-cache' )

    def test_noStore( self ):

        policy = self._makePolicy( 'noStore', no_store=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'no-store' )

    def test_mustRevalidate( self ):

        policy = self._makePolicy( 'mustRevalidate', must_revalidate=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'must-revalidate' )

    def test_proxyRevalidate( self ):

        policy = self._makePolicy( 'proxyRevalidate', proxy_revalidate=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'proxy-revalidate' )
        self.assertEqual(policy.getProxyRevalidate(), 1)

    def test_public( self ):

        policy = self._makePolicy( 'public', public=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'public' )
        self.assertEqual(policy.getPublic(), 1)

    def test_private( self ):

        policy = self._makePolicy( 'private', private=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'private' )
        self.assertEqual(policy.getPrivate(), 1)

    def test_noTransform( self ):

        policy = self._makePolicy( 'noTransform', no_transform=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'no-transform' )
        self.assertEqual(policy.getNoTransform(), 1)

    def test_lastModified( self ):

        policy = self._makePolicy( 'lastModified', last_modified=0 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 0 )
        self.assertEqual(policy.getLastModified(), 0)

    def test_preCheck( self ):

        policy = self._makePolicy( 'preCheck', pre_check=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'pre-check=1' )
        self.assertEqual(policy.getPreCheck(), 1)
        self.assertEqual(policy.getPostCheck(), None)

    def test_postCheck( self ):

        policy = self._makePolicy( 'postCheck', post_check=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'cache-control' )
        self.assertEqual( headers[1][1] , 'post-check=1' )
        self.assertEqual(policy.getPostCheck(), 1)
        self.assertEqual(policy.getPreCheck(), None)

    def test_ETag( self ):

        # With an empty etag_func, no ETag should be produced
        policy = self._makePolicy( 'ETag', etag_func='' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 1)
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )

        policy = self._makePolicy( 'ETag', etag_func='string:foo' )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 2)
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower(), 'etag' )
        self.assertEqual( headers[1][1], 'foo' )

    def test_combined( self ):

        policy = self._makePolicy( 'noStore', no_cache=1, no_store=1 )
        context = self._makeContext()
        headers = policy.getHeaders( context )

        self.assertEqual( len( headers ), 3 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'pragma' )
        self.assertEqual( headers[1][1] , 'no-cache' )
        self.assertEqual( headers[2][0].lower() , 'cache-control' )
        self.assertEqual( headers[2][1] , 'no-cache, no-store' )


class CachingPolicyManagerTests(unittest.TestCase):

    layer = TraversingZCMLLayer

    def _makeOne(self, *args, **kw):
        from Products.CMFCore.CachingPolicyManager import CachingPolicyManager

        return CachingPolicyManager(*args, **kw)

    def setUp(self):
        self._epoch = DateTime()

    def assertEqualDelta( self, lhs, rhs, delta ):
        self.failUnless( abs( lhs - rhs ) <= delta )

    def test_z2interfaces(self):
        from Interface.Verify import verifyClass
        from Products.CMFCore.CachingPolicyManager import CachingPolicyManager
        from Products.CMFCore.interfaces.CachingPolicyManager \
                import CachingPolicyManager as ICachingPolicyManager

        verifyClass(ICachingPolicyManager, CachingPolicyManager)

    def test_z3interfaces(self):
        from zope.interface.verify import verifyClass
        from Products.CMFCore.CachingPolicyManager import CachingPolicyManager
        from Products.CMFCore.interfaces import ICachingPolicyManager

        verifyClass(ICachingPolicyManager, CachingPolicyManager)

    def test_empty( self ):

        mgr = self._makeOne()

        self.assertEqual( len( mgr.listPolicies() ), 0 )
        headers = mgr.getHTTPCachingHeaders( content=DummyContent2(self._epoch)
                                           , view_method='foo_view'
                                           , keywords={}
                                           , time=self._epoch
                                           )
        self.assertEqual( len( headers ), 0 )

        self.assertRaises( KeyError, mgr._updatePolicy,
                           'xyzzy', None, None, None, None, None, None, '',
                           '', None, None, None, None, None )
        self.assertRaises( KeyError, mgr._removePolicy, 'xyzzy' )
        self.assertRaises( KeyError, mgr._reorderPolicy, 'xyzzy', -1 )

    def test_addAndUpdatePolicy( self ):

        mgr = self._makeOne()
        mgr.addPolicy('first', 'python:1', 'mtime', 1, 0, 1, 0, 'vary',
                      'etag', None, 2, 1, 0, 1, 0, 1, 0, 2, 3)
        p = mgr._policies['first']
        self.assertEqual(p.getPolicyId(), 'first')
        self.assertEqual(p.getPredicate(), 'python:1')
        self.assertEqual(p.getMTimeFunc(), 'mtime')
        self.assertEqual(p.getMaxAgeSecs(), 1)
        self.assertEqual(p.getNoCache(), 0)
        self.assertEqual(p.getNoStore(), 1)
        self.assertEqual(p.getMustRevalidate(), 0)
        self.assertEqual(p.getVary(), 'vary')
        self.assertEqual(p.getETagFunc(), 'etag')
        self.assertEqual(p.getSMaxAgeSecs(), 2)
        self.assertEqual(p.getProxyRevalidate(), 1)
        self.assertEqual(p.getPublic(), 0)
        self.assertEqual(p.getPrivate(), 1)
        self.assertEqual(p.getNoTransform(), 0)
        self.assertEqual(p.getEnable304s(), 1)
        self.assertEqual(p.getLastModified(), 0)
        self.assertEqual(p.getPreCheck(), 2)
        self.assertEqual(p.getPostCheck(), 3)

        mgr.updatePolicy('first', 'python:0', 'mtime2', 2, 1, 0, 1, 'vary2',
                         'etag2', None, 1, 0, 1, 0, 1, 0, 1, 3, 2)
        p = mgr._policies['first']
        self.assertEqual(p.getPolicyId(), 'first')
        self.assertEqual(p.getPredicate(), 'python:0')
        self.assertEqual(p.getMTimeFunc(), 'mtime2')
        self.assertEqual(p.getMaxAgeSecs(), 2)
        self.assertEqual(p.getNoCache(), 1)
        self.assertEqual(p.getNoStore(), 0)
        self.assertEqual(p.getMustRevalidate(), 1)
        self.assertEqual(p.getVary(), 'vary2')
        self.assertEqual(p.getETagFunc(), 'etag2')
        self.assertEqual(p.getSMaxAgeSecs(), 1)
        self.assertEqual(p.getProxyRevalidate(), 0)
        self.assertEqual(p.getPublic(), 1)
        self.assertEqual(p.getPrivate(), 0)
        self.assertEqual(p.getNoTransform(), 1)
        self.assertEqual(p.getEnable304s(), 0)
        self.assertEqual(p.getLastModified(), 1)
        self.assertEqual(p.getPreCheck(), 3)
        self.assertEqual(p.getPostCheck(), 2)

    def test_reorder( self ):

        mgr = self._makeOne()

        policy_ids = ( 'foo', 'bar', 'baz', 'qux' )

        for policy_id in policy_ids:
            mgr._addPolicy( policy_id
                          , 'python:"%s" in keywords.keys()' % policy_id
                          , None, 0, 0, 0, 0, '', '' )

        ids = tuple( map( lambda x: x[0], mgr.listPolicies() ) )
        self.assertEqual( ids, policy_ids )

        mgr._reorderPolicy( 'bar', 3 )

        ids = tuple( map( lambda x: x[0], mgr.listPolicies() ) )
        self.assertEqual( ids, ( 'foo', 'baz', 'qux', 'bar' ) )

    def _makeOneWithPolicies( self ):

        mgr = self._makeOne()

        policy_tuples = ( ( 'foo', None  )
                        , ( 'bar', 0     )
                        , ( 'baz', 3600  )
                        , ( 'qux', 86400 )
                        )

        for policy_id, max_age_secs in policy_tuples:
            mgr._addPolicy( policy_id
                          , 'python:"%s" in keywords.keys()' % policy_id
                          , None, max_age_secs, 0, 0, 0, '', '' )

        return mgr

    def test_lookupNoMatch( self ):

        mgr = self._makeOneWithPolicies()
        headers = mgr.getHTTPCachingHeaders( content=DummyContent2(self._epoch)
                                           , view_method='foo_view'
                                           , keywords={}
                                           , time=self._epoch
                                           )
        self.assertEqual( len( headers ), 0 )

    def test_lookupMatchFoo( self ):

        mgr = self._makeOneWithPolicies()
        headers = mgr.getHTTPCachingHeaders( content=DummyContent2(self._epoch)
                                           , view_method='foo_view'
                                           , keywords={ 'foo' : 1 }
                                           , time=self._epoch
                                           )
        self.assertEqual( len( headers ), 1 )
        self.assertEqual( headers[0][0].lower(), 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )

    def test_lookupMatchBar( self ):

        mgr = self._makeOneWithPolicies()
        headers = mgr.getHTTPCachingHeaders( content=DummyContent2(self._epoch)
                                           , view_method='foo_view'
                                           , keywords={ 'bar' : 1 }
                                           , time=self._epoch
                                           )
        self.assertEqual( len( headers ), 3 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'expires' )
        self.assertEqual( headers[1][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[2][0].lower() , 'cache-control' )
        self.assertEqual( headers[2][1], 'max-age=0' )

    def test_lookupMatchBaz( self ):

        mgr = self._makeOneWithPolicies()
        headers = mgr.getHTTPCachingHeaders( content=DummyContent2(self._epoch)
                                           , view_method='foo_view'
                                           , keywords={ 'baz' : 1 }
                                           , time=self._epoch
                                           )
        self.assertEqual( len( headers ), 3 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'expires' )

        exp_time = DateTime( headers[1][1] )
        target = self._epoch + ( 1.0 / 24.0 )
        self.assertEqualDelta( exp_time, target, 0.01 )

        self.assertEqual( headers[2][0].lower() , 'cache-control' )
        self.assertEqual( headers[2][1] , 'max-age=3600' )

    def test_lookupMatchQux( self ):

        mgr = self._makeOneWithPolicies()
        headers = mgr.getHTTPCachingHeaders( content=DummyContent2(self._epoch)
                                           , view_method='foo_view'
                                           , keywords={ 'qux' : 1 }
                                           , time=self._epoch
                                           )
        self.assertEqual( len( headers ), 3 )
        self.assertEqual( headers[0][0].lower() , 'last-modified' )
        self.assertEqual( headers[0][1]
                        , rfc1123_date(self._epoch.timeTime()) )
        self.assertEqual( headers[1][0].lower() , 'expires' )

        exp_time = DateTime( headers[1][1] )
        target = self._epoch + 1.0
        self.assertEqualDelta( exp_time, target, 0.01 )

        self.assertEqual( headers[2][0].lower() , 'cache-control' )
        self.assertEqual( headers[2][1] , 'max-age=86400' )


class CachingPolicyManager304Tests(RequestTest, FSDVTest):

    layer = FunctionalZCMLLayer

    def setUp(self):
        from Products.CMFCore import CachingPolicyManager

        RequestTest.setUp(self)
        FSDVTest.setUp(self)

        now = DateTime()

        # Create a fake portal and the tools we need
        self.portal = DummySite(id='portal').__of__(self.root)
        self.portal._setObject('portal_types', DummyTool())

        # This is a FSPageTemplate that will be used as the View for
        # our content objects. It doesn't matter what it returns.
        path = os.path.join(self.skin_path_name, 'testPT2.pt')
        self.portal._setObject('dummy_view', FSPageTemplate('dummy_view', path))

        uf = self.root.acl_users
        password = 'secret'
        uf.userFolderAddUser(portal_owner, password, ['Manager'], [])
        user = uf.getUserById(portal_owner)
        if not hasattr(user, 'aq_base'):
            user = user.__of__(uf)
        newSecurityManager(None, user)
        owner_auth = '%s:%s' % (portal_owner, password)
        self.auth_header = "Basic %s" % base64.encodestring(owner_auth)

        self.portal._setObject('doc1', DummyContent('doc1'))
        self.portal._setObject('doc2', DummyContent('doc2'))
        self.portal._setObject('doc3', DummyContent('doc3'))
        self.portal.doc1.modified_date = now
        self.portal.doc2.modified_date = now
        self.portal.doc3.modified_date = now

        CachingPolicyManager.manage_addCachingPolicyManager(self.portal)
        cpm = self.portal.caching_policy_manager

        # This policy only applies to doc1. It will not emit any ETag header
        # but it enables If-modified-since handling.
        cpm.addPolicy(policy_id = 'policy_no_etag',
                      predicate = 'python:object.getId()=="doc1"',
                      mtime_func = '',
                      max_age_secs = 0,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = '',
                      etag_func = '',
                      enable_304s = 1)

        # This policy only applies to doc2. It will emit an ETag with
        # the constant value "abc" and also enable if-modified-since handling.
        cpm.addPolicy(policy_id = 'policy_etag',
                      predicate = 'python:object.getId()=="doc2"',
                      mtime_func = '',
                      max_age_secs = 0,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = '',
                      etag_func = 'string:abc',
                      enable_304s = 1)

        # This policy only applies to doc3. Etags with constant values of
        # "abc" are emitted, but if-modified-since handling is turned off.
        cpm.addPolicy(policy_id = 'policy_disabled',
                      predicate = 'python:object.getId()=="doc3"',
                      mtime_func = '',
                      max_age_secs = 0,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = '',
                      etag_func = 'string:abc',
                      enable_304s = 0)

    def tearDown(self):
        RequestTest.tearDown(self)
        FSDVTest.tearDown(self)

    def _cleanup(self):
        # Clean up request and response
        req = self.portal.REQUEST

        for header in ( 'IF_MODIFIED_SINCE'
                      , 'HTTP_AUTHORIZATION'
                      , 'IF_NONE_MATCH'
                      ):
            if req.environ.get(header, None) is not None:
                del req.environ[header]

        req.RESPONSE.setStatus(200)

    def testUnconditionalGET(self):
        # In this case the Request does not specify any if-modified-since
        # value to take into account, thereby completely circumventing any
        # if-modified-since handling. This must not produce a response status
        # of 304, regardless of any other headers.
        self.portal.doc1()
        response = self.portal.REQUEST.RESPONSE
        self.assertEqual(response.getStatus(), 200)

    def testConditionalGETNoETag(self):
        yesterday = DateTime() - 1
        doc1 = self.portal.doc1
        request = doc1.REQUEST
        response = request.RESPONSE

        # If doc1 has beeen modified since yesterday (which it has), we want
        # the full rendering.
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(yesterday)
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc1()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # If doc1 has been modified since its creation (which it hasn't), we
        # want the full rendering. This must return a 304 response.
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(doc1.modified_date)
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc1()
        self.assertEqual(response.getStatus(), 304)
        self._cleanup()

        # ETag handling is not enabled in the policy for doc1, so asking for
        # one will not produce any matches. We get the full rendering.
        request.environ['IF_NONE_MATCH'] = '"123"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc1()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # We are asking for an ETag as well as modifications after doc2 has
        # been created. Both won't match and wwe get the full rendering.
        request.environ['IF_NONE_MATCH'] = '"123"'
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(doc1.modified_date)
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc1()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

    def testConditionalGETETag(self):
        yesterday = DateTime() - 1
        doc2 = self.portal.doc2
        request = doc2.REQUEST
        response = request.RESPONSE

        # Has doc2 been modified since yesterday? Yes it has, so we get the
        # full rendering.
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(yesterday)
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc2()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # If doc2 has not been modified since its creation (which it hasn't),
        # we would get a 304 here. However, the policy for doc2 also expects
        # to get an ETag in the request, which we are not setting here. So
        # the policy fails and we get a full rendering.
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(doc2.modified_date)
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc2()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # Now we are setting an ETag in our request, but an ETag that does not
        # match the policy's expected value. The policy fails and we get the
        # full rendering.
        request.environ['IF_NONE_MATCH'] = '"123"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc2()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # Here we provide the correct and matching ETag value, and we don't
        # specify any if-modified-since condition. This is enough for our
        # policy to trigger 304.
        request.environ['IF_NONE_MATCH'] = '"abc"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc2()
        self.assertEqual(response.getStatus(), 304)
        self._cleanup()

        # We specify an ETag and a modification time condition that dooes not
        # match, so we get the full rendering
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(doc2.modified_date)
        request.environ['IF_NONE_MATCH'] = '"123"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc2()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # We hand in a matching modified time condition which is supposed to
        # trigger full rendering. This will lead the ETag condition to be
        # overrridden.
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(yesterday)
        request.environ['IF_NONE_MATCH'] = '"abc"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc2()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # Now we pass an ETag that matches the policy and a modified time
        # condition that is not fulfilled. It is safe to serve a 304.
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(doc2.modified_date)
        request.environ['IF_NONE_MATCH'] = '"abc"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc2()
        self.assertEqual(response.getStatus(), 304)
        self._cleanup()

    def testConditionalGETDisabled(self):
        yesterday = DateTime() - 1
        doc3 = self.portal.doc3
        request = doc3.REQUEST
        response = request.RESPONSE

        # Our policy disables any 304-handling, so even though the ETag matches
        # the policy, we will get the full rendering.
        request.environ['IF_NONE_MATCH'] = '"abc"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc3()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

        # Now both the ETag and the modified condition would trigger a 304
        # response *if* 304-handling was enabled. It is not in our policy, so
        # we get the full rendering again.
        request.environ['IF_MODIFIED_SINCE'] = rfc1123_date(doc3.modified_date)
        request.environ['IF_NONE_MATCH'] = '"abc"'
        request.environ['HTTP_AUTHORIZATION'] = self.auth_header
        doc3()
        self.assertEqual(response.getStatus(), 200)
        self._cleanup()

class FSObjMaker(FSDVTest):

    def _makeFSPageTemplate( self, id, filename ):
        path = path_join(self.skin_path_name, filename)
        return FSPageTemplate( id, path )

    def _makeFSDTMLMethod( self, id, filename ):
        path = path_join(self.skin_path_name, filename)
        return FSDTMLMethod( id, path )

class NestedTemplateTests( RequestTest, FSObjMaker ):

    layer = TraversingZCMLLayer

    def setUp(self):
        FSObjMaker.setUp(self)
        RequestTest.setUp(self)

        # Create a fake portal and the tools we need
        self.portal = DummySite(id='portal').__of__(self.root)
        self.portal._setObject('portal_types', DummyTool())

        from Products.CMFCore import CachingPolicyManager
        CachingPolicyManager.manage_addCachingPolicyManager(self.portal)

    def tearDown(self):
        RequestTest.tearDown(self)
        FSObjMaker.tearDown(self)

    def test_subtemplate_cpm_1( self ):
        # test that subtemplates dont call the cpm
        # set up site
        portal = self.portal
        now = DateTime()
        cpm = portal.caching_policy_manager
        cpm.addPolicy(policy_id = 'policy_op2',
                      predicate = 'python:view=="output_page_2"',
                      mtime_func = '',
                      max_age_secs = 100,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc1',
                      etag_func = '',
                      s_max_age_secs=100
                      )

        content = DummyContent(id='content', view_id='output_page_1')
        content.modified_date = now
        portal._setObject('content', content)

        output_page_1 = self._makeFSPageTemplate('output_page_1', 'output_page_1.zpt')
        output_page_2 = self._makeFSPageTemplate('output_page_2', 'output_page_2.zpt')
        portal._setObject('output_page_1', output_page_1)
        portal._setObject('output_page_2', output_page_2)

        portal.content()

        # no headers should be added by the CPM if all is well
        headers = [x.lower() for x in self.RESPONSE.headers.keys()]
        self.failIf('x-cache-headers-set-by' in headers)
        self.failIf('vary' in headers)

    def test_subtemplate_cpm_2( self ):
        # test that calling content from a template doesnt call the cpm
        # just calling an FSDTMLMethod directly from another template does
        # not activate the bug because RESPONSE is not passed in
        portal = self.portal
        now = DateTime()
        cpm = portal.caching_policy_manager
        cpm.addPolicy(policy_id = 'policy_op4',
                      predicate = 'python:view=="output_page_4"',
                      mtime_func = '',
                      max_age_secs = 100,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc1',
                      etag_func = '',
                      s_max_age_secs=100
                      )

        content = DummyContent(id='content', view_id='output_page_3')
        content.modified_date = now
        portal._setObject('content', content)
        content2 = DummyContent(id='content2', view_id='output_page_4')
        content2.modified_date = now
        portal._setObject('content2', content2)

        output_page_3 = self._makeFSDTMLMethod('output_page_3', 'output_page_3.dtml')
        output_page_4 = self._makeFSDTMLMethod('output_page_4', 'output_page_4.dtml')
        portal._setObject('output_page_4',output_page_4)
        portal._setObject('output_page_3',output_page_3)

        # call the content
        portal.content()

        # no headers should be added by the CPM if all is well
        headers = [x.lower() for x in self.RESPONSE.headers.keys()]
        self.failIf('x-cache-headers-set-by' in headers)
        self.failIf('vary' in headers)

    def test_subtemplate_cpm_3( self ):
        # test a bigger mix of zpt templates
        # set up site
        portal = self.portal
        now = DateTime()
        cpm = portal.caching_policy_manager
        cpm.addPolicy(policy_id = 'policy_nv1',
                      predicate = 'python:view=="nested_view_1"',
                      mtime_func = '',
                      max_age_secs = 100,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc1',
                      etag_func = '',
                      s_max_age_secs=100
                      )

        doc1 = DummyContent(id='doc1', view_id='nested_view')
        doc1.modified_date = now
        portal._setObject('doc1',doc1)
        doc2 = DummyContent(id='doc2', view_id='nested_view_1')
        doc2.modified_date = now
        portal._setObject('doc2',doc2)
        doc3 = DummyContent(id='doc3', view_id='nested_view_2')
        doc3.modified_date = now
        portal._setObject('doc3',doc3)

        nested_view = self._makeFSPageTemplate('nested_view', 'nested_view.zpt')
        nested_view_1 = self._makeFSPageTemplate('nested_view_1', 'nested_view_1.zpt')
        nested_view_2 = self._makeFSPageTemplate('nested_view_2', 'nested_view_2.zpt')
        portal._setObject('nested_view', nested_view)
        portal._setObject('nested_view_1', nested_view_1)
        portal._setObject('nested_view_2', nested_view_2)

        data = portal.doc1()

        # no headers should be added by the CPM if all is well
        headers = [x.lower() for x in self.RESPONSE.headers.keys()]
        self.failIf('x-cache-headers-set-by' in headers)
        self.failIf('vary' in headers)

    def test_mixed_subtemplate_cpm( self ):
        # test a mix of zpt and dtml templates
        # set up site
        now = DateTime()
        portal = self.portal
        cpm = portal.caching_policy_manager
        cpm.addPolicy(policy_id = 'policy_nv1',
                      predicate = 'python:view=="nested_view_1"',
                      mtime_func = '',
                      max_age_secs = 100,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc1',
                      etag_func = '',
                      s_max_age_secs=100
                      )

        doc1 = DummyContent(id='doc1', view_id='nested_view', modified_date=now)
        portal._setObject('doc1', doc1)
        doc2 = DummyContent(id='doc2', view_id='nested_view_1', modified_date=now)
        portal._setObject('doc2', doc2)
        doc3 = DummyContent(id='doc3', view_id='nested_view_2', modified_date=now)
        portal._setObject('doc3', doc3)

        nested_view = self._makeFSPageTemplate('nested_view', 'nested_view.zpt')
        nested_view_1 = self._makeFSPageTemplate('nested_view_1', 'nested_view_1.zpt')
        nested_view_2 = self._makeFSDTMLMethod('nested_view_2', 'nested_view_2.dtml')
        portal._setObject('nested_view', nested_view)
        portal._setObject('nested_view_1', nested_view_1)
        portal._setObject('nested_view_2', nested_view_2)

        portal.doc1()

        # no headers should be added by the CPM if all is well
        headers = [x.lower() for x in self.RESPONSE.headers.keys()]
        self.failIf('x-cache-headers-set-by' in headers)
        self.failIf('vary' in headers)

    def test_fireForSubtemplates(self):
        # This is a FSPageTemplate that will be used as the View for 
        # our content objects. It doesn't matter what it returns.
        dv = self._makeFSPageTemplate('dummy_view', 'testPT_CPM1.zpt')
        self.portal._setObject('dummy_view', dv)

        # These are the subtemplates we use
        sv1 = self._makeFSPageTemplate('subview_1', 'testPT_CPM2.zpt')
        sv2 = self._makeFSDTMLMethod('subview_2', 'testDTML_CPM3.dtml')
        self.portal._setObject('subview_1', sv1)
        self.portal._setObject( 'subview_2', sv2)

        for i in (1,2,3):
            id = 'doc%i' % i
            title = 'Document %i' % i
            description = 'This is document %i' % i
            modified_date = DateTime()
            doc = DummyContent(id)
            doc.title = title
            doc.description = description
            doc.modified_date = modified_date
            self.portal._setObject(id, doc)

        cpm = self.portal.caching_policy_manager

        # This policy only applies to doc2.
        cpm.addPolicy(policy_id = 'policy_doc2',
                      predicate = 'python:object.getId()=="doc2"',
                      mtime_func = '',
                      max_age_secs = 200,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc2',
                      etag_func = '',
                      pre_check=1
                      )

        # This policy only applies to doc3. 
        cpm.addPolicy(policy_id = 'policy_doc3',
                      predicate = 'python:object.getId()=="doc3"',
                      mtime_func = '',
                      max_age_secs = 300,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc3',
                      etag_func = '',
                      post_check=1
                      )

        # http://www.zope.org/Collectors/CMF/456
        # In cases where one view (ZPT or DTML) is rendered from another
        # view, we want to ensure only the view requested by the visitor
        # will get caching rules applied.
        self.portal.doc1.dummy_view()

        # no headers should be added by the CPM if all is well
        headers = [x.lower() for x in self.RESPONSE.headers.keys()]
        self.failIf('x-cache-headers-set-by' in headers)
        self.failIf('vary' in headers)

    def test_fireForSubtemplates2(self):
        # This is a FSPageTemplate that will be used as the View for 
        # our content objects. It doesn't matter what it returns.
        dv = self._makeFSPageTemplate('dummy_view', 'testPT_CPM1.zpt')
        self.portal._setObject('dummy_view', dv)

        # These are the subtemplates we use
        sv1 = self._makeFSPageTemplate('subview_1', 'testPT_CPM2.zpt')
        sv2 = self._makeFSDTMLMethod('subview_2', 'testDTML_CPM3.dtml')
        self.portal._setObject('subview_1', sv1)
        self.portal._setObject( 'subview_2', sv2)

        for i in (1,2,3):
            id = 'doc%i' % i
            title = 'Document %i' % i
            description = 'This is document %i' % i
            modified_date = DateTime()
            doc = DummyContent(id)
            doc.title = title
            doc.description = description
            doc.modified_date = modified_date
            self.portal._setObject(id, doc)

        cpm = self.portal.caching_policy_manager

        # This policy only applies to doc1.
        cpm.addPolicy(policy_id = 'policy_doc1',
                      predicate = 'python:object.getId()=="doc1"',
                      mtime_func = '',
                      max_age_secs = 100,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc1',
                      etag_func = '',
                      s_max_age_secs=100
                      )

        # This policy only applies to doc2.
        cpm.addPolicy(policy_id = 'policy_doc2',
                      predicate = 'python:object.getId()=="doc2"',
                      mtime_func = '',
                      max_age_secs = 200,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc2',
                      etag_func = '',
                      pre_check=1
                      )

        # This policy only applies to doc3. 
        cpm.addPolicy(policy_id = 'policy_doc3',
                      predicate = 'python:object.getId()=="doc3"',
                      mtime_func = '',
                      max_age_secs = 300,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc3',
                      etag_func = '',
                      post_check=1
                      )

        # http://www.zope.org/Collectors/CMF/456
        # In cases where one view (ZPT or DTML) is rendered from another
        # view, we want to ensure only the view requested by the visitor
        # will get caching rules applied.
        self.portal.doc1.dummy_view()

        # We want to make sure the correct policy (policy_doc1) has fired
        # Just to be sure, change headers so they are definitely all 
        # lower-cased
        headers = {}
        header_info = self.RESPONSE.headers.items()
        [headers.__setitem__(x[0].lower(), x[1]) for x in header_info]

        self.failUnless(headers.get('x-cache-headers-set-by'))
        self.assertEquals(headers.get('vary'), 'doc1')
        self.assertEquals( headers.get('cache-control')
                         , 'max-age=100, s-maxage=100'
                         )


class OFSCacheTests(RequestTest):

    layer = FunctionalZCMLLayer

    def setUp(self):
        from Products.CMFCore import CachingPolicyManager

        RequestTest.setUp(self)

        # Create a fake portal and the tools we need
        self.portal = DummySite(id='portal').__of__(self.root)
        self.portal._setObject('doc1', CacheableDummyContent('doc1'))
        self.portal._setObject('doc2', CacheableDummyContent('doc2'))
        CachingPolicyManager.manage_addCachingPolicyManager(self.portal)
        cpm = self.portal.caching_policy_manager

        # This policy only applies to doc1. It will not emit any ETag header
        # but it enables If-modified-since handling.
        cpm.addPolicy(policy_id = 'policy_1',
                      predicate = 'python:object.getId()=="doc1"',
                      mtime_func = '',
                      max_age_secs = 100,
                      no_cache = 0,
                      no_store = 0,
                      must_revalidate = 0,
                      vary = 'doc1',
                      etag_func = '',
                      enable_304s = 0)

    def test_empty(self):

        from Products.CMFCore.CachingPolicyManager import CPMCache

        cpm = self.portal.caching_policy_manager
        doc1 = self.portal.doc1
        self.failUnless(cpm._isCacheManager)
        self.failUnless(isinstance(cpm.ZCacheManager_getCache(), CPMCache))
        self.assertEquals( doc1.ZCacheable_getManagerIds()
                         , ({'id':cpm.getId(), 'title':''},)
                         )

    def test_no_association(self):
        # Render an item that would match the CPM policy, but don't 
        # associate it with the CPM.
        self.portal.doc1()

        # no headers should be added by the CPM if all is well
        headers = [x.lower() for x in self.RESPONSE.headers.keys()]
        self.failIf('x-cache-headers-set-by' in headers)
        self.failIf('vary' in headers)

    def test_unsuitable_association(self):
        # Render an item that is associated with the CPM, but that does not
        # match any policy.
        cpm = self.portal.caching_policy_manager
        doc2 = self.portal.doc2
        doc2.ZCacheable_setManagerId(cpm.getId())

        doc2()

        # no headers should be added by the CPM if all is well
        headers = [x.lower() for x in self.RESPONSE.headers.keys()]
        self.failIf('x-cache-headers-set-by' in headers)
        self.failIf('vary' in headers)

    def test_suitable_association(self):
        # Render a content item that will trigger the CPM
        cpm = self.portal.caching_policy_manager
        doc1 = self.portal.doc1
        doc1.ZCacheable_setManagerId(cpm.getId())

        doc1()

        # Policy "policy_1" should have triggered
        # Just to be sure, change headers so they are definitely all 
        # lower-cased
        headers = {}
        header_info = self.RESPONSE.headers.items()
        [headers.__setitem__(x[0].lower(), x[1]) for x in header_info]

        self.failUnless(headers.get('x-cache-headers-set-by'))
        self.assertEquals(headers.get('vary'), 'doc1')
        self.assertEquals( headers.get('cache-control')
                         , 'max-age=100'
                         )

    def test_with_view(self):
        # Render a view for a content item that will trigger the CPM
        cpm = self.portal.caching_policy_manager
        self.portal._setObject('a_view', DummyView(id='a_view'))
        self.portal.a_view.ZCacheable_setManagerId(cpm.getId())
        doc1 = self.portal.doc1

        doc1.a_view()

        # Policy "policy_1" should have triggered
        # Just to be sure, change headers so they are definitely all 
        # lower-cased
        headers = {}
        header_info = self.RESPONSE.headers.items()
        [headers.__setitem__(x[0].lower(), x[1]) for x in header_info]

        self.failUnless(headers.get('x-cache-headers-set-by'))
        self.assertEquals(headers.get('vary'), 'doc1')
        self.assertEquals( headers.get('cache-control')
                         , 'max-age=100'
                         )


def test_suite():
    return unittest.TestSuite((
        unittest.makeSuite(CachingPolicyTests),
        unittest.makeSuite(CachingPolicyManagerTests),
        unittest.makeSuite(CachingPolicyManager304Tests),
        unittest.makeSuite(NestedTemplateTests),
        unittest.makeSuite(OFSCacheTests),
        ))

if __name__ == '__main__':
    from Products.CMFCore.testing import run
    run(test_suite())

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