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##############################################################################
#
# Copyright (c) 2012 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 z.c.hooks
"""
import unittest
class PersistentAdapterRegistryTests(unittest.TestCase):
def _getTargetClass(self):
from zope.component.persistentregistry import PersistentAdapterRegistry
return PersistentAdapterRegistry
def _makeOne(self, *args, **kw):
return self._getTargetClass()(*args, **kw)
def _makeCache(self, jar):
# Borrowed from persistent.tests.test_pyPersistence.
class _Cache(object):
def __init__(self, jar):
self._jar = jar
self._mru = []
def mru(self, oid):
self._mru.append(oid)
def new_ghost(self, oid, obj):
obj._p_jar = self._jar
obj._p_oid = oid
def update_object_size_estimation(self, oid, size):
return
return _Cache(jar)
def _makeJar(self):
# Borrowed from persistent.tests.test_pyPersistence.
from zope.interface import implementer
from persistent.interfaces import IPersistentDataManager
@implementer(IPersistentDataManager)
class _Jar(object):
def __init__(self):
self._loaded = []
self._registered = []
def setstate(self, obj):
self._loaded.append(obj._p_oid)
def register(self, obj):
self._registered.append(obj._p_oid)
jar = _Jar()
jar._cache = self._makeCache(jar)
return jar
def _makeOneWithJar(self, dirty=False, **kw):
# Borrowed from persistent.tests.test_pyPersistence.
OID = _makeOctets('\x01' * 8)
inst = self._makeOne(**kw)
jar = self._makeJar()
jar._cache.new_ghost(OID, inst) # assigns _p_jar, _p_oid
return inst, jar, OID
def test_changed_original_is_not_us(self):
registry, jar, OID = self._makeOneWithJar()
self.assertEqual(registry._generation, 1)
registry.changed(object())
# 'originally_changed' is not us, but we are still dirty because
# '_generation' gets bumped.
self.assertEqual(registry._p_changed, True)
# base class gets called
self.assertEqual(registry._generation, 2)
def test_changed_original_is_us(self):
registry, jar, OID = self._makeOneWithJar()
self.assertEqual(registry._generation, 1)
registry.changed(registry)
# 'originally_changed' is not us, so not dirty
self.assertEqual(registry._p_changed, True)
# base class gets called
self.assertEqual(registry._generation, 2)
def test___getstate___simple(self):
from zope.component import globalSiteManager
bases = (globalSiteManager.adapters, globalSiteManager.utilities)
registry, jar, OID = self._makeOneWithJar(bases=bases)
state = registry.__getstate__()
self.assertEqual(state['__bases__'], bases)
self.assertEqual(state['_generation'], 1)
self.assertEqual(state['_provided'], {})
self.assertEqual(state['_adapters'], [])
self.assertEqual(state['_subscribers'], [])
self.assertFalse('ro' in state)
def test___getstate___skips_delegated_names(self):
registry, jar, OID = self._makeOneWithJar()
registry.names = lambda *args: ['a', 'b', 'c']
self.assertFalse('names' in registry.__getstate__())
def test___setstate___rebuilds__v_lookup(self):
registry, jar, OID = self._makeOneWithJar()
state = registry.__getstate__()
self.assertTrue('_v_lookup' in registry.__dict__)
registry._p_changed = None # clears volatile '_v_lookup'
self.assertFalse('_v_lookup' in registry.__dict__)
registry.__setstate__(state)
self.assertTrue('_v_lookup' in registry.__dict__)
def test___setstate___rebuilds__ro(self):
from zope.component import globalSiteManager
bases = (globalSiteManager.adapters, globalSiteManager.utilities)
registry, jar, OID = self._makeOneWithJar(bases=bases)
state = registry.__getstate__()
registry.__setstate__(state)
self.assertEqual(registry.__bases__, bases)
self.assertEqual(registry.ro, [registry] + list(bases))
class PersistentComponentsTests(unittest.TestCase):
def _getTargetClass(self):
from zope.component.persistentregistry import PersistentComponents
return PersistentComponents
def _makeOne(self, *args, **kw):
return self._getTargetClass()(*args, **kw)
def test_ctor_initializes_registries_and_registrations(self):
from persistent.mapping import PersistentMapping
from persistent.list import PersistentList
from zope.component.persistentregistry import PersistentAdapterRegistry
registry = self._makeOne()
self.assertTrue(isinstance(registry.adapters,
PersistentAdapterRegistry))
self.assertTrue(isinstance(registry.utilities,
PersistentAdapterRegistry))
self.assertTrue(isinstance(registry._adapter_registrations,
PersistentMapping))
self.assertTrue(isinstance(registry._utility_registrations,
PersistentMapping))
self.assertTrue(isinstance(registry._subscription_registrations,
PersistentList))
self.assertTrue(isinstance(registry._handler_registrations,
PersistentList))
def _makeOctets(s):
import sys
if sys.version_info < (3,):
return bytes(s)
return bytes(s, 'ascii') #pragma NO COVERAGE
def test_suite():
return unittest.TestSuite((
unittest.makeSuite(PersistentAdapterRegistryTests),
unittest.makeSuite(PersistentComponentsTests),
))