MINI Sh3ll
##############################################################################
#
# Copyright (c) 2001, 2002, 2009 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.
#
##############################################################################
"""Component Registry Tests"""
# pylint:disable=protected-access
import unittest
from zope.interface import Interface
from zope.interface.adapter import VerifyingAdapterRegistry
from zope.interface.registry import Components
class ComponentsTests(unittest.TestCase):
def _getTargetClass(self):
return Components
def _makeOne(self, name='test', *args, **kw):
return self._getTargetClass()(name, *args, **kw)
def _wrapEvents(self):
from zope.interface import registry
_events = []
def _notify(*args, **kw):
_events.append((args, kw))
_monkey = _Monkey(registry, notify=_notify)
return _monkey, _events
def test_ctor_no_bases(self):
from zope.interface.adapter import AdapterRegistry
comp = self._makeOne('testing')
self.assertEqual(comp.__name__, 'testing')
self.assertEqual(comp.__bases__, ())
self.assertTrue(isinstance(comp.adapters, AdapterRegistry))
self.assertTrue(isinstance(comp.utilities, AdapterRegistry))
self.assertEqual(comp.adapters.__bases__, ())
self.assertEqual(comp.utilities.__bases__, ())
self.assertEqual(comp._utility_registrations, {})
self.assertEqual(comp._adapter_registrations, {})
self.assertEqual(comp._subscription_registrations, [])
self.assertEqual(comp._handler_registrations, [])
def test_ctor_w_base(self):
base = self._makeOne('base')
comp = self._makeOne('testing', (base,))
self.assertEqual(comp.__name__, 'testing')
self.assertEqual(comp.__bases__, (base,))
self.assertEqual(comp.adapters.__bases__, (base.adapters,))
self.assertEqual(comp.utilities.__bases__, (base.utilities,))
def test___repr__(self):
comp = self._makeOne('testing')
self.assertEqual(repr(comp), '<Components testing>')
# test _init_registries / _init_registrations via only caller, __init__.
def test_assign_to___bases__(self):
base1 = self._makeOne('base1')
base2 = self._makeOne('base2')
comp = self._makeOne()
comp.__bases__ = (base1, base2)
self.assertEqual(comp.__bases__, (base1, base2))
self.assertEqual(comp.adapters.__bases__,
(base1.adapters, base2.adapters))
self.assertEqual(comp.utilities.__bases__,
(base1.utilities, base2.utilities))
def test_registerUtility_with_component_name(self):
from zope.interface.declarations import named, InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
@named(u'foo')
class Foo(object):
pass
foo = Foo()
_info = u'info'
comp = self._makeOne()
comp.registerUtility(foo, ifoo, info=_info)
self.assertEqual(
comp._utility_registrations[ifoo, u'foo'],
(foo, _info, None))
def test_registerUtility_both_factory_and_component(self):
def _factory():
raise NotImplementedError()
_to_reg = object()
comp = self._makeOne()
self.assertRaises(TypeError, comp.registerUtility,
component=_to_reg, factory=_factory)
def test_registerUtility_w_component(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = object()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_to_reg, ifoo, _name, _info)
self.assertTrue(comp.utilities._adapters[0][ifoo][_name] is _to_reg)
self.assertEqual(comp._utility_registrations[ifoo, _name],
(_to_reg, _info, None))
self.assertEqual(comp.utilities._subscribers[0][ifoo][''], (_to_reg,))
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _to_reg)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is None)
def test_registerUtility_w_factory(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = object()
def _factory():
return _to_reg
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(None, ifoo, _name, _info, factory=_factory)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _to_reg)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _factory)
def test_registerUtility_no_provided_available(self):
class Foo(object):
pass
_info = u'info'
_name = u'name'
_to_reg = Foo()
comp = self._makeOne()
self.assertRaises(TypeError,
comp.registerUtility, _to_reg, None, _name, _info)
def test_registerUtility_wo_provided(self):
from zope.interface.declarations import directlyProvides
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
class Foo(object):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = Foo()
directlyProvides(_to_reg, ifoo)
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_to_reg, None, _name, _info)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _to_reg)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is None)
def test_registerUtility_duplicates_existing_reg(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_to_reg, ifoo, _name, _info)
self.assertEqual(len(_events), 0)
def test_registerUtility_w_different_info(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info1 = u'info1'
_info2 = u'info2'
_name = u'name'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name, _info1)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_to_reg, ifoo, _name, _info2)
self.assertEqual(len(_events), 2) # unreg, reg
self.assertEqual(comp._utility_registrations[(ifoo, _name)],
(_to_reg, _info2, None)) # replaced
self.assertEqual(comp.utilities._subscribers[0][ifoo][u''],
(_to_reg,))
def test_registerUtility_w_different_names_same_component(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_other_reg = object()
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_other_reg, ifoo, _name1, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_to_reg, ifoo, _name2, _info)
self.assertEqual(len(_events), 1) # reg
self.assertEqual(comp._utility_registrations[(ifoo, _name1)],
(_other_reg, _info, None))
self.assertEqual(comp._utility_registrations[(ifoo, _name2)],
(_to_reg, _info, None))
self.assertEqual(comp.utilities._subscribers[0][ifoo][u''],
(_other_reg, _to_reg,))
def test_registerUtility_replaces_existing_reg(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.interfaces import Registered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_before, _after = object(), object()
comp = self._makeOne()
comp.registerUtility(_before, ifoo, _name, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_after, ifoo, _name, _info)
self.assertEqual(len(_events), 2)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _before)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is None)
args, kw = _events[1]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _after)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is None)
def test_registerUtility_w_existing_subscr(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name1, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_to_reg, ifoo, _name2, _info)
self.assertEqual(comp.utilities._subscribers[0][ifoo][''], (_to_reg,))
def test_registerUtility_wo_event(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = object()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerUtility(_to_reg, ifoo, _name, _info, False)
self.assertEqual(len(_events), 0)
def test_registerUtility_changes_object_identity_after(self):
# If a subclass changes the identity of the _utility_registrations,
# the cache is updated and the right thing still happens.
class CompThatChangesAfter1Reg(self._getTargetClass()):
reg_count = 0
def registerUtility(self, *args):
self.reg_count += 1
super(CompThatChangesAfter1Reg, self).registerUtility(*args)
if self.reg_count == 1:
self._utility_registrations = dict(self._utility_registrations)
comp = CompThatChangesAfter1Reg()
comp.registerUtility(object(), Interface)
self.assertEqual(len(list(comp.registeredUtilities())), 1)
class IFoo(Interface):
pass
comp.registerUtility(object(), IFoo)
self.assertEqual(len(list(comp.registeredUtilities())), 2)
def test_registerUtility_changes_object_identity_before(self):
# If a subclass changes the identity of the _utility_registrations,
# the cache is updated and the right thing still happens.
class CompThatChangesAfter2Reg(self._getTargetClass()):
reg_count = 0
def registerUtility(self, *args):
self.reg_count += 1
if self.reg_count == 2:
self._utility_registrations = dict(self._utility_registrations)
super(CompThatChangesAfter2Reg, self).registerUtility(*args)
comp = CompThatChangesAfter2Reg()
comp.registerUtility(object(), Interface)
self.assertEqual(len(list(comp.registeredUtilities())), 1)
class IFoo(Interface):
pass
comp.registerUtility(object(), IFoo)
self.assertEqual(len(list(comp.registeredUtilities())), 2)
class IBar(Interface):
pass
comp.registerUtility(object(), IBar)
self.assertEqual(len(list(comp.registeredUtilities())), 3)
def test_unregisterUtility_neither_factory_nor_component_nor_provided(self):
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterUtility,
component=None, provided=None, factory=None)
def test_unregisterUtility_both_factory_and_component(self):
def _factory():
raise NotImplementedError()
_to_reg = object()
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterUtility,
component=_to_reg, factory=_factory)
def test_unregisterUtility_w_component_miss(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_name = u'name'
_to_reg = object()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterUtility(_to_reg, ifoo, _name)
self.assertFalse(unreg)
self.assertFalse(_events)
def test_unregisterUtility_w_component(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_name = u'name'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterUtility(_to_reg, ifoo, _name)
self.assertTrue(unreg)
self.assertFalse(comp.utilities._adapters) # all erased
self.assertFalse((ifoo, _name) in comp._utility_registrations)
self.assertFalse(comp.utilities._subscribers)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _to_reg)
self.assertTrue(event.object.factory is None)
def test_unregisterUtility_w_factory(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = object()
def _factory():
return _to_reg
comp = self._makeOne()
comp.registerUtility(None, ifoo, _name, _info, factory=_factory)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterUtility(None, ifoo, _name, factory=_factory)
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _to_reg)
self.assertTrue(event.object.factory is _factory)
def test_unregisterUtility_wo_explicit_provided(self):
from zope.interface.declarations import directlyProvides
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
class Foo(object):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = Foo()
directlyProvides(_to_reg, ifoo)
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterUtility(_to_reg, None, _name)
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _to_reg)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is None)
def test_unregisterUtility_wo_component_or_factory(self):
from zope.interface.declarations import directlyProvides
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
class Foo(object):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
_to_reg = Foo()
directlyProvides(_to_reg, ifoo)
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
# Just pass the interface / name
unreg = comp.unregisterUtility(provided=ifoo, name=_name)
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, UtilityRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.component is _to_reg)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is None)
def test_unregisterUtility_w_existing_subscr(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name1, _info)
comp.registerUtility(_to_reg, ifoo, _name2, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.unregisterUtility(_to_reg, ifoo, _name2)
self.assertEqual(comp.utilities._subscribers[0][ifoo][''], (_to_reg,))
def test_unregisterUtility_w_existing_subscr_non_hashable(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_to_reg = dict()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name1, _info)
comp.registerUtility(_to_reg, ifoo, _name2, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.unregisterUtility(_to_reg, ifoo, _name2)
self.assertEqual(comp.utilities._subscribers[0][ifoo][''], (_to_reg,))
def test_unregisterUtility_w_existing_subscr_non_hashable_fresh_cache(self):
# We correctly populate the cache of registrations if it has gone away
# (for example, the Components was unpickled)
from zope.interface.declarations import InterfaceClass
from zope.interface.registry import _UtilityRegistrations
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_to_reg = dict()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name1, _info)
comp.registerUtility(_to_reg, ifoo, _name2, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.unregisterUtility(_to_reg, ifoo, _name2)
self.assertEqual(comp.utilities._subscribers[0][ifoo][''], (_to_reg,))
def test_unregisterUtility_w_existing_subscr_non_hashable_reinitted(self):
# We correctly populate the cache of registrations if the base objects change
# out from under us
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_to_reg = dict()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name1, _info)
comp.registerUtility(_to_reg, ifoo, _name2, _info)
# zope.component.testing does this
comp.__init__('base')
comp.registerUtility(_to_reg, ifoo, _name2, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
# Nothing to do, but we don't break either
comp.unregisterUtility(_to_reg, ifoo, _name2)
self.assertEqual(0, len(comp.utilities._subscribers))
def test_unregisterUtility_w_existing_subscr_other_component(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_other_reg = object()
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_other_reg, ifoo, _name1, _info)
comp.registerUtility(_to_reg, ifoo, _name2, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.unregisterUtility(_to_reg, ifoo, _name2)
self.assertEqual(comp.utilities._subscribers[0][ifoo][''],
(_other_reg,))
def test_unregisterUtility_w_existing_subscr_other_component_mixed_hash(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
# First register something hashable
_other_reg = object()
# Then it transfers to something unhashable
_to_reg = dict()
comp = self._makeOne()
comp.registerUtility(_other_reg, ifoo, _name1, _info)
comp.registerUtility(_to_reg, ifoo, _name2, _info)
_monkey, _events = self._wrapEvents()
with _monkey:
comp.unregisterUtility(_to_reg, ifoo, _name2)
self.assertEqual(comp.utilities._subscribers[0][ifoo][''],
(_other_reg,))
def test_registeredUtilities_empty(self):
comp = self._makeOne()
self.assertEqual(list(comp.registeredUtilities()), [])
def test_registeredUtilities_notempty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.registry import UtilityRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, _name1, _info)
comp.registerUtility(_to_reg, ifoo, _name2, _info)
reg = sorted(comp.registeredUtilities(), key=lambda r: r.name)
self.assertEqual(len(reg), 2)
self.assertTrue(isinstance(reg[0], UtilityRegistration))
self.assertTrue(reg[0].registry is comp)
self.assertTrue(reg[0].provided is ifoo)
self.assertTrue(reg[0].name is _name1)
self.assertTrue(reg[0].component is _to_reg)
self.assertTrue(reg[0].info is _info)
self.assertTrue(reg[0].factory is None)
self.assertTrue(isinstance(reg[1], UtilityRegistration))
self.assertTrue(reg[1].registry is comp)
self.assertTrue(reg[1].provided is ifoo)
self.assertTrue(reg[1].name is _name2)
self.assertTrue(reg[1].component is _to_reg)
self.assertTrue(reg[1].info is _info)
self.assertTrue(reg[1].factory is None)
def test_queryUtility_miss_no_default(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
self.assertTrue(comp.queryUtility(ifoo) is None)
def test_queryUtility_miss_w_default(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
_default = object()
self.assertTrue(comp.queryUtility(ifoo, default=_default) is _default)
def test_queryUtility_hit(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo)
self.assertTrue(comp.queryUtility(ifoo) is _to_reg)
def test_getUtility_miss(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import ComponentLookupError
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
self.assertRaises(ComponentLookupError, comp.getUtility, ifoo)
def test_getUtility_hit(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo)
self.assertTrue(comp.getUtility(ifoo) is _to_reg)
def test_getUtilitiesFor_miss(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
self.assertEqual(list(comp.getUtilitiesFor(ifoo)), [])
def test_getUtilitiesFor_hit(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_name1 = u'name1'
_name2 = u'name2'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, name=_name1)
comp.registerUtility(_to_reg, ifoo, name=_name2)
self.assertEqual(sorted(comp.getUtilitiesFor(ifoo)),
[(_name1, _to_reg), (_name2, _to_reg)])
def test_getAllUtilitiesRegisteredFor_miss(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
self.assertEqual(list(comp.getAllUtilitiesRegisteredFor(ifoo)), [])
def test_getAllUtilitiesRegisteredFor_hit(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_name1 = u'name1'
_name2 = u'name2'
_to_reg = object()
comp = self._makeOne()
comp.registerUtility(_to_reg, ifoo, name=_name1)
comp.registerUtility(_to_reg, ifoo, name=_name2)
self.assertEqual(list(comp.getAllUtilitiesRegisteredFor(ifoo)),
[_to_reg])
def test_registerAdapter_with_component_name(self):
from zope.interface.declarations import named, InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
@named(u'foo')
class Foo(object):
pass
_info = u'info'
comp = self._makeOne()
comp.registerAdapter(Foo, (ibar,), ifoo, info=_info)
self.assertEqual(
comp._adapter_registrations[(ibar,), ifoo, u'foo'],
(Foo, _info))
def test_registerAdapter_w_explicit_provided_and_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_name = u'name'
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerAdapter(_factory, (ibar,), ifoo, _name, _info)
self.assertTrue(comp.adapters._adapters[1][ibar][ifoo][_name]
is _factory)
self.assertEqual(comp._adapter_registrations[(ibar,), ifoo, _name],
(_factory, _info))
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _factory)
def test_registerAdapter_no_provided_available(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ibar = IFoo('IBar')
_info = u'info'
_name = u'name'
class _Factory(object):
pass
comp = self._makeOne()
self.assertRaises(TypeError, comp.registerAdapter, _Factory, (ibar,),
name=_name, info=_info)
def test_registerAdapter_wo_explicit_provided(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
from zope.interface.interfaces import Registered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_name = u'name'
_to_reg = object()
@implementer(ifoo)
class _Factory(object):
pass
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerAdapter(_Factory, (ibar,), name=_name, info=_info)
self.assertTrue(comp.adapters._adapters[1][ibar][ifoo][_name]
is _Factory)
self.assertEqual(comp._adapter_registrations[(ibar,), ifoo, _name],
(_Factory, _info))
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _Factory)
def test_registerAdapter_no_required_available(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
class _Factory(object):
pass
comp = self._makeOne()
self.assertRaises(TypeError, comp.registerAdapter, _Factory,
provided=ifoo, name=_name, info=_info)
def test_registerAdapter_w_invalid_required(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_name = u'name'
class _Factory(object):
pass
comp = self._makeOne()
self.assertRaises(TypeError, comp.registerAdapter, _Factory,
ibar, provided=ifoo, name=_name, info=_info)
def test_registerAdapter_w_required_containing_None(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interface import Interface
from zope.interface.interfaces import Registered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
class _Factory(object):
pass
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerAdapter(_Factory, [None], provided=ifoo,
name=_name, info=_info)
self.assertTrue(comp.adapters._adapters[1][Interface][ifoo][_name]
is _Factory)
self.assertEqual(comp._adapter_registrations[(Interface,), ifoo, _name],
(_Factory, _info))
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (Interface,))
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _Factory)
def test_registerAdapter_w_required_containing_class(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
from zope.interface.declarations import implementedBy
from zope.interface.interfaces import Registered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_name = u'name'
class _Factory(object):
pass
@implementer(ibar)
class _Context(object):
pass
_ctx_impl = implementedBy(_Context)
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerAdapter(_Factory, [_Context], provided=ifoo,
name=_name, info=_info)
self.assertTrue(comp.adapters._adapters[1][_ctx_impl][ifoo][_name]
is _Factory)
self.assertEqual(comp._adapter_registrations[(_ctx_impl,), ifoo, _name],
(_Factory, _info))
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (_ctx_impl,))
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _Factory)
def test_registerAdapter_w_required_containing_junk(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_name = u'name'
class _Factory(object):
pass
comp = self._makeOne()
self.assertRaises(TypeError, comp.registerAdapter, _Factory, [object()],
provided=ifoo, name=_name, info=_info)
def test_registerAdapter_wo_explicit_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_name = u'name'
class _Factory(object):
__component_adapts__ = (ibar,)
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerAdapter(_Factory, provided=ifoo, name=_name,
info=_info)
self.assertTrue(comp.adapters._adapters[1][ibar][ifoo][_name]
is _Factory)
self.assertEqual(comp._adapter_registrations[(ibar,), ifoo, _name],
(_Factory, _info))
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertTrue(event.object.name is _name)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _Factory)
def test_registerAdapter_wo_event(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_name = u'name'
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerAdapter(_factory, (ibar,), ifoo, _name, _info,
event=False)
self.assertEqual(len(_events), 0)
def test_unregisterAdapter_neither_factory_nor_provided(self):
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterAdapter,
factory=None, provided=None)
def test_unregisterAdapter_neither_factory_nor_required(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterAdapter,
factory=None, provided=ifoo, required=None)
def test_unregisterAdapter_miss(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
pass
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterAdapter(_Factory, (ibar,), ifoo)
self.assertFalse(unreg)
def test_unregisterAdapter_hit_w_explicit_provided_and_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
pass
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar,), ifoo)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterAdapter(_Factory, (ibar,), ifoo)
self.assertTrue(unreg)
self.assertFalse(comp.adapters._adapters)
self.assertFalse(comp._adapter_registrations)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is _Factory)
def test_unregisterAdapter_wo_explicit_provided(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
from zope.interface.interfaces import Unregistered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
@implementer(ifoo)
class _Factory(object):
pass
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar,), ifoo)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterAdapter(_Factory, (ibar,))
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is _Factory)
def test_unregisterAdapter_wo_explicit_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
__component_adapts__ = (ibar,)
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar,), ifoo)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterAdapter(_Factory, provided=ifoo)
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, AdapterRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is _Factory)
def test_registeredAdapters_empty(self):
comp = self._makeOne()
self.assertEqual(list(comp.registeredAdapters()), [])
def test_registeredAdapters_notempty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.registry import AdapterRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IFoo')
_info = u'info'
_name1 = u'name1'
_name2 = u'name2'
class _Factory(object):
pass
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar,), ifoo, _name1, _info)
comp.registerAdapter(_Factory, (ibar,), ifoo, _name2, _info)
reg = sorted(comp.registeredAdapters(), key=lambda r: r.name)
self.assertEqual(len(reg), 2)
self.assertTrue(isinstance(reg[0], AdapterRegistration))
self.assertTrue(reg[0].registry is comp)
self.assertTrue(reg[0].provided is ifoo)
self.assertEqual(reg[0].required, (ibar,))
self.assertTrue(reg[0].name is _name1)
self.assertTrue(reg[0].info is _info)
self.assertTrue(reg[0].factory is _Factory)
self.assertTrue(isinstance(reg[1], AdapterRegistration))
self.assertTrue(reg[1].registry is comp)
self.assertTrue(reg[1].provided is ifoo)
self.assertEqual(reg[1].required, (ibar,))
self.assertTrue(reg[1].name is _name2)
self.assertTrue(reg[1].info is _info)
self.assertTrue(reg[1].factory is _Factory)
def test_queryAdapter_miss_no_default(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
_context = object()
self.assertTrue(comp.queryAdapter(_context, ifoo) is None)
def test_queryAdapter_miss_w_default(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
_context = object()
_default = object()
self.assertTrue(
comp.queryAdapter(_context, ifoo, default=_default) is _default)
def test_queryAdapter_hit(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
def __init__(self, context):
self.context = context
@implementer(ibar)
class _Context(object):
pass
_context = _Context()
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar,), ifoo)
adapter = comp.queryAdapter(_context, ifoo)
self.assertTrue(isinstance(adapter, _Factory))
self.assertTrue(adapter.context is _context)
def test_getAdapter_miss(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
from zope.interface.interfaces import ComponentLookupError
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
@implementer(ibar)
class _Context(object):
pass
_context = _Context()
comp = self._makeOne()
self.assertRaises(ComponentLookupError,
comp.getAdapter, _context, ifoo)
def test_getAdapter_hit(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
def __init__(self, context):
self.context = context
@implementer(ibar)
class _Context(object):
pass
_context = _Context()
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar,), ifoo)
adapter = comp.getAdapter(_context, ifoo)
self.assertIsInstance(adapter, _Factory)
self.assertIs(adapter.context, _context)
def test_getAdapter_hit_super(self):
from zope.interface import Interface
from zope.interface.declarations import implementer
class IBase(Interface):
pass
class IDerived(IBase):
pass
class IFoo(Interface):
pass
@implementer(IBase)
class Base(object):
pass
@implementer(IDerived)
class Derived(Base):
pass
class AdapterBase(object):
def __init__(self, context):
self.context = context
class AdapterDerived(object):
def __init__(self, context):
self.context = context
comp = self._makeOne()
comp.registerAdapter(AdapterDerived, (IDerived,), IFoo)
comp.registerAdapter(AdapterBase, (IBase,), IFoo)
self._should_not_change(comp)
derived = Derived()
adapter = comp.getAdapter(derived, IFoo)
self.assertIsInstance(adapter, AdapterDerived)
self.assertIs(adapter.context, derived)
supe = super(Derived, derived)
adapter = comp.getAdapter(supe, IFoo)
self.assertIsInstance(adapter, AdapterBase)
self.assertIs(adapter.context, derived)
def test_getAdapter_hit_super_when_parent_implements_interface_diamond(self):
from zope.interface import Interface
from zope.interface.declarations import implementer
class IBase(Interface):
pass
class IDerived(IBase):
pass
class IFoo(Interface):
pass
class Base(object):
pass
class Child1(Base):
pass
@implementer(IBase)
class Child2(Base):
pass
@implementer(IDerived)
class Derived(Child1, Child2):
pass
class AdapterBase(object):
def __init__(self, context):
self.context = context
class AdapterDerived(object):
def __init__(self, context):
self.context = context
comp = self._makeOne()
comp.registerAdapter(AdapterDerived, (IDerived,), IFoo)
comp.registerAdapter(AdapterBase, (IBase,), IFoo)
self._should_not_change(comp)
derived = Derived()
adapter = comp.getAdapter(derived, IFoo)
self.assertIsInstance(adapter, AdapterDerived)
self.assertIs(adapter.context, derived)
supe = super(Derived, derived)
adapter = comp.getAdapter(supe, IFoo)
self.assertIsInstance(adapter, AdapterBase)
self.assertIs(adapter.context, derived)
def test_queryMultiAdapter_miss(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
comp = self._makeOne()
self.assertEqual(comp.queryMultiAdapter((_context1, _context2), ifoo),
None)
def test_queryMultiAdapter_miss_w_default(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
_default = object()
comp = self._makeOne()
self.assertTrue(
comp.queryMultiAdapter((_context1, _context2), ifoo,
default=_default) is _default)
def test_queryMultiAdapter_hit(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
class _Factory(object):
def __init__(self, context1, context2):
self.context = context1, context2
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar, ibaz), ifoo)
adapter = comp.queryMultiAdapter((_context1, _context2), ifoo)
self.assertTrue(isinstance(adapter, _Factory))
self.assertEqual(adapter.context, (_context1, _context2))
def test_getMultiAdapter_miss(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
from zope.interface.interfaces import ComponentLookupError
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
comp = self._makeOne()
self.assertRaises(ComponentLookupError,
comp.getMultiAdapter, (_context1, _context2), ifoo)
def test_getMultiAdapter_hit(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
class _Factory(object):
def __init__(self, context1, context2):
self.context = context1, context2
comp = self._makeOne()
comp.registerAdapter(_Factory, (ibar, ibaz), ifoo)
adapter = comp.getMultiAdapter((_context1, _context2), ifoo)
self.assertTrue(isinstance(adapter, _Factory))
self.assertEqual(adapter.context, (_context1, _context2))
def _should_not_change(self, comp):
# Be sure that none of the underlying structures
# get told that they have changed during this process
# because that invalidates caches.
def no_changes(*args):
self.fail("Nothing should get changed")
comp.changed = no_changes
comp.adapters.changed = no_changes
comp.adapters._v_lookup.changed = no_changes
def test_getMultiAdapter_hit_super(self):
from zope.interface import Interface
from zope.interface.declarations import implementer
class IBase(Interface):
pass
class IDerived(IBase):
pass
class IFoo(Interface):
pass
@implementer(IBase)
class Base(object):
pass
@implementer(IDerived)
class Derived(Base):
pass
class AdapterBase(object):
def __init__(self, context1, context2):
self.context1 = context1
self.context2 = context2
class AdapterDerived(AdapterBase):
pass
comp = self._makeOne()
comp.registerAdapter(AdapterDerived, (IDerived, IDerived), IFoo)
comp.registerAdapter(AdapterBase, (IBase, IDerived), IFoo)
self._should_not_change(comp)
derived = Derived()
adapter = comp.getMultiAdapter((derived, derived), IFoo)
self.assertIsInstance(adapter, AdapterDerived)
self.assertIs(adapter.context1, derived)
self.assertIs(adapter.context2, derived)
supe = super(Derived, derived)
adapter = comp.getMultiAdapter((supe, derived), IFoo)
self.assertIsInstance(adapter, AdapterBase)
self.assertNotIsInstance(adapter, AdapterDerived)
self.assertIs(adapter.context1, derived)
self.assertIs(adapter.context2, derived)
def test_getAdapters_empty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
comp = self._makeOne()
self.assertEqual(
list(comp.getAdapters((_context1, _context2), ifoo)), [])
def test_getAdapters_factory_returns_None(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
comp = self._makeOne()
_called_with = []
def _side_effect_only(context1, context2):
_called_with.append((context1, context2))
return None
comp.registerAdapter(_side_effect_only, (ibar, ibaz), ifoo)
self.assertEqual(
list(comp.getAdapters((_context1, _context2), ifoo)), [])
self.assertEqual(_called_with, [(_context1, _context2)])
def test_getAdapters_non_empty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
ibaz = IFoo('IBaz')
@implementer(ibar)
class _Context1(object):
pass
@implementer(ibaz)
class _Context2(object):
pass
_context1 = _Context1()
_context2 = _Context2()
class _Factory1(object):
def __init__(self, context1, context2):
self.context = context1, context2
class _Factory2(object):
def __init__(self, context1, context2):
self.context = context1, context2
_name1 = u'name1'
_name2 = u'name2'
comp = self._makeOne()
comp.registerAdapter(_Factory1, (ibar, ibaz), ifoo, name=_name1)
comp.registerAdapter(_Factory2, (ibar, ibaz), ifoo, name=_name2)
found = sorted(comp.getAdapters((_context1, _context2), ifoo))
self.assertEqual(len(found), 2)
self.assertEqual(found[0][0], _name1)
self.assertTrue(isinstance(found[0][1], _Factory1))
self.assertEqual(found[1][0], _name2)
self.assertTrue(isinstance(found[1][1], _Factory2))
def test_registerSubscriptionAdapter_w_nonblank_name(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_name = u'name'
_info = u'info'
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
self.assertRaises(TypeError, comp.registerSubscriptionAdapter,
_factory, (ibar,), ifoo, _name, _info)
def test_registerSubscriptionAdapter_w_explicit_provided_and_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_blank = u''
_info = u'info'
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerSubscriptionAdapter(_factory, (ibar,), ifoo,
info=_info)
reg = comp.adapters._subscribers[1][ibar][ifoo][_blank]
self.assertEqual(len(reg), 1)
self.assertTrue(reg[0] is _factory)
self.assertEqual(comp._subscription_registrations,
[((ibar,), ifoo, _blank, _factory, _info)])
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, SubscriptionRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, _blank)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _factory)
def test_registerSubscriptionAdapter_wo_explicit_provided(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
from zope.interface.interfaces import Registered
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_blank = u''
@implementer(ifoo)
class _Factory(object):
pass
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerSubscriptionAdapter(_Factory, (ibar,), info=_info)
reg = comp.adapters._subscribers[1][ibar][ifoo][_blank]
self.assertEqual(len(reg), 1)
self.assertTrue(reg[0] is _Factory)
self.assertEqual(comp._subscription_registrations,
[((ibar,), ifoo, _blank, _Factory, _info)])
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, SubscriptionRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, _blank)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _Factory)
def test_registerSubscriptionAdapter_wo_explicit_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_info = u'info'
_blank = u''
class _Factory(object):
__component_adapts__ = (ibar,)
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerSubscriptionAdapter(
_Factory, provided=ifoo, info=_info)
reg = comp.adapters._subscribers[1][ibar][ifoo][_blank]
self.assertEqual(len(reg), 1)
self.assertTrue(reg[0] is _Factory)
self.assertEqual(comp._subscription_registrations,
[((ibar,), ifoo, _blank, _Factory, _info)])
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, SubscriptionRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, _blank)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _Factory)
def test_registerSubscriptionAdapter_wo_event(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_blank = u''
_info = u'info'
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerSubscriptionAdapter(_factory, (ibar,), ifoo,
info=_info, event=False)
self.assertEqual(len(_events), 0)
def test_registeredSubscriptionAdapters_empty(self):
comp = self._makeOne()
self.assertEqual(list(comp.registeredSubscriptionAdapters()), [])
def test_registeredSubscriptionAdapters_notempty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IFoo')
_info = u'info'
_blank = u''
class _Factory(object):
pass
comp = self._makeOne()
comp.registerSubscriptionAdapter(_Factory, (ibar,), ifoo, info=_info)
comp.registerSubscriptionAdapter(_Factory, (ibar,), ifoo, info=_info)
reg = list(comp.registeredSubscriptionAdapters())
self.assertEqual(len(reg), 2)
self.assertTrue(isinstance(reg[0], SubscriptionRegistration))
self.assertTrue(reg[0].registry is comp)
self.assertTrue(reg[0].provided is ifoo)
self.assertEqual(reg[0].required, (ibar,))
self.assertEqual(reg[0].name, _blank)
self.assertTrue(reg[0].info is _info)
self.assertTrue(reg[0].factory is _Factory)
self.assertTrue(isinstance(reg[1], SubscriptionRegistration))
self.assertTrue(reg[1].registry is comp)
self.assertTrue(reg[1].provided is ifoo)
self.assertEqual(reg[1].required, (ibar,))
self.assertEqual(reg[1].name, _blank)
self.assertTrue(reg[1].info is _info)
self.assertTrue(reg[1].factory is _Factory)
def test_unregisterSubscriptionAdapter_w_nonblank_name(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
_nonblank = u'nonblank'
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterSubscriptionAdapter,
required=ifoo, provided=ibar, name=_nonblank)
def test_unregisterSubscriptionAdapter_neither_factory_nor_provided(self):
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterSubscriptionAdapter,
factory=None, provided=None)
def test_unregisterSubscriptionAdapter_neither_factory_nor_required(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterSubscriptionAdapter,
factory=None, provided=ifoo, required=None)
def test_unregisterSubscriptionAdapter_miss(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
pass
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterSubscriptionAdapter(_Factory, (ibar,), ifoo)
self.assertFalse(unreg)
self.assertFalse(_events)
def test_unregisterSubscriptionAdapter_hit_wo_factory(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
pass
comp = self._makeOne()
comp.registerSubscriptionAdapter(_Factory, (ibar,), ifoo)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterSubscriptionAdapter(None, (ibar,), ifoo)
self.assertTrue(unreg)
self.assertFalse(comp.adapters._subscribers)
self.assertFalse(comp._subscription_registrations)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, SubscriptionRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is None)
def test_unregisterSubscriptionAdapter_hit_w_factory(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
pass
comp = self._makeOne()
comp.registerSubscriptionAdapter(_Factory, (ibar,), ifoo)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterSubscriptionAdapter(_Factory, (ibar,), ifoo)
self.assertTrue(unreg)
self.assertFalse(comp.adapters._subscribers)
self.assertFalse(comp._subscription_registrations)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, SubscriptionRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is _Factory)
def test_unregisterSubscriptionAdapter_wo_explicit_provided(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
from zope.interface.interfaces import Unregistered
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
@implementer(ifoo)
class _Factory(object):
pass
comp = self._makeOne()
comp.registerSubscriptionAdapter(_Factory, (ibar,), ifoo)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterSubscriptionAdapter(_Factory, (ibar,))
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, SubscriptionRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is _Factory)
def test_unregisterSubscriptionAdapter_wo_explicit_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import SubscriptionRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
__component_adapts__ = (ibar,)
comp = self._makeOne()
comp.registerSubscriptionAdapter(_Factory, (ibar,), ifoo)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterSubscriptionAdapter(_Factory, provided=ifoo)
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, SubscriptionRegistration))
self.assertTrue(event.object.registry is comp)
self.assertTrue(event.object.provided is ifoo)
self.assertEqual(event.object.required, (ibar,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is _Factory)
def test_subscribers_empty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
comp = self._makeOne()
@implementer(ibar)
class Bar(object):
pass
bar = Bar()
self.assertEqual(list(comp.subscribers((bar,), ifoo)), [])
def test_subscribers_non_empty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Factory(object):
__component_adapts__ = (ibar,)
def __init__(self, context):
self._context = context
class _Derived(_Factory):
pass
comp = self._makeOne()
comp.registerSubscriptionAdapter(_Factory, (ibar,), ifoo)
comp.registerSubscriptionAdapter(_Derived, (ibar,), ifoo)
@implementer(ibar)
class Bar(object):
pass
bar = Bar()
subscribers = comp.subscribers((bar,), ifoo)
def _klassname(x):
return x.__class__.__name__
subscribers = sorted(subscribers, key=_klassname)
self.assertEqual(len(subscribers), 2)
self.assertTrue(isinstance(subscribers[0], _Derived))
self.assertTrue(isinstance(subscribers[1], _Factory))
def test_registerHandler_w_nonblank_name(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_nonblank = u'nonblank'
comp = self._makeOne()
def _factory(context):
raise NotImplementedError()
self.assertRaises(TypeError, comp.registerHandler, _factory,
required=ifoo, name=_nonblank)
def test_registerHandler_w_explicit_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Registered
from zope.interface.registry import HandlerRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_blank = u''
_info = u'info'
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerHandler(_factory, (ifoo,), info=_info)
reg = comp.adapters._subscribers[1][ifoo][None][_blank]
self.assertEqual(len(reg), 1)
self.assertTrue(reg[0] is _factory)
self.assertEqual(comp._handler_registrations,
[((ifoo,), _blank, _factory, _info)])
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Registered))
self.assertTrue(isinstance(event.object, HandlerRegistration))
self.assertTrue(event.object.registry is comp)
self.assertEqual(event.object.required, (ifoo,))
self.assertEqual(event.object.name, _blank)
self.assertTrue(event.object.info is _info)
self.assertTrue(event.object.factory is _factory)
def test_registerHandler_wo_explicit_required_no_event(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_info = u'info'
_blank = u''
class _Factory(object):
__component_adapts__ = (ifoo,)
pass
comp = self._makeOne()
_monkey, _events = self._wrapEvents()
with _monkey:
comp.registerHandler(_Factory, info=_info, event=False)
reg = comp.adapters._subscribers[1][ifoo][None][_blank]
self.assertEqual(len(reg), 1)
self.assertTrue(reg[0] is _Factory)
self.assertEqual(comp._handler_registrations,
[((ifoo,), _blank, _Factory, _info)])
self.assertEqual(len(_events), 0)
def test_registeredHandlers_empty(self):
comp = self._makeOne()
self.assertFalse(list(comp.registeredHandlers()))
def test_registeredHandlers_non_empty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.registry import HandlerRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
def _factory1(context):
raise NotImplementedError()
def _factory2(context):
raise NotImplementedError()
comp = self._makeOne()
comp.registerHandler(_factory1, (ifoo,))
comp.registerHandler(_factory2, (ifoo,))
def _factory_name(x):
return x.factory.__code__.co_name
subscribers = sorted(comp.registeredHandlers(), key=_factory_name)
self.assertEqual(len(subscribers), 2)
self.assertTrue(isinstance(subscribers[0], HandlerRegistration))
self.assertEqual(subscribers[0].required, (ifoo,))
self.assertEqual(subscribers[0].name, '')
self.assertEqual(subscribers[0].factory, _factory1)
self.assertEqual(subscribers[0].info, '')
self.assertTrue(isinstance(subscribers[1], HandlerRegistration))
self.assertEqual(subscribers[1].required, (ifoo,))
self.assertEqual(subscribers[1].name, '')
self.assertEqual(subscribers[1].factory, _factory2)
self.assertEqual(subscribers[1].info, '')
def test_unregisterHandler_w_nonblank_name(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_nonblank = u'nonblank'
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterHandler,
required=(ifoo,), name=_nonblank)
def test_unregisterHandler_neither_factory_nor_required(self):
comp = self._makeOne()
self.assertRaises(TypeError, comp.unregisterHandler)
def test_unregisterHandler_miss(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
unreg = comp.unregisterHandler(required=(ifoo,))
self.assertFalse(unreg)
def test_unregisterHandler_hit_w_factory_and_explicit_provided(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import HandlerRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
comp.registerHandler(_factory, (ifoo,))
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterHandler(_factory, (ifoo,))
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, HandlerRegistration))
self.assertTrue(event.object.registry is comp)
self.assertEqual(event.object.required, (ifoo,))
self.assertEqual(event.object.name, '')
self.assertTrue(event.object.factory is _factory)
def test_unregisterHandler_hit_w_only_explicit_provided(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import HandlerRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
def _factory(context):
raise NotImplementedError()
comp = self._makeOne()
comp.registerHandler(_factory, (ifoo,))
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterHandler(required=(ifoo,))
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, HandlerRegistration))
self.assertTrue(event.object.registry is comp)
self.assertEqual(event.object.required, (ifoo,))
self.assertEqual(event.object.name, '')
self.assertTrue(event.object.factory is None)
def test_unregisterHandler_wo_explicit_required(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.interfaces import Unregistered
from zope.interface.registry import HandlerRegistration
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
class _Factory(object):
__component_adapts__ = (ifoo,)
comp = self._makeOne()
comp.registerHandler(_Factory)
_monkey, _events = self._wrapEvents()
with _monkey:
unreg = comp.unregisterHandler(_Factory)
self.assertTrue(unreg)
self.assertEqual(len(_events), 1)
args, kw = _events[0]
event, = args
self.assertEqual(kw, {})
self.assertTrue(isinstance(event, Unregistered))
self.assertTrue(isinstance(event.object, HandlerRegistration))
self.assertTrue(event.object.registry is comp)
self.assertEqual(event.object.required, (ifoo,))
self.assertEqual(event.object.name, '')
self.assertEqual(event.object.info, '')
self.assertTrue(event.object.factory is _Factory)
def test_handle_empty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
comp = self._makeOne()
@implementer(ifoo)
class Bar(object):
pass
bar = Bar()
comp.handle((bar,)) # doesn't raise
def test_handle_non_empty(self):
from zope.interface.declarations import InterfaceClass
from zope.interface.declarations import implementer
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
_called_1 = []
def _factory_1(context):
_called_1.append(context)
_called_2 = []
def _factory_2(context):
_called_2.append(context)
comp = self._makeOne()
comp.registerHandler(_factory_1, (ifoo,))
comp.registerHandler(_factory_2, (ifoo,))
@implementer(ifoo)
class Bar(object):
pass
bar = Bar()
comp.handle(bar)
self.assertEqual(_called_1, [bar])
self.assertEqual(_called_2, [bar])
def test_register_unregister_identical_objects_provided(self, identical=True):
# https://github.com/zopefoundation/zope.interface/issues/227
class IFoo(Interface):
pass
comp = self._makeOne()
first = object()
second = first if identical else object()
comp.registerUtility(first, provided=IFoo)
comp.registerUtility(second, provided=IFoo, name='bar')
self.assertEqual(len(comp.utilities._subscribers), 1)
self.assertEqual(comp.utilities._subscribers, [{
IFoo: {'': (first, ) if identical else (first, second)}
}])
self.assertEqual(comp.utilities._provided, {
IFoo: 3 if identical else 4
})
res = comp.unregisterUtility(first, provided=IFoo)
self.assertTrue(res)
res = comp.unregisterUtility(second, provided=IFoo, name='bar')
self.assertTrue(res)
self.assertEqual(comp.utilities._provided, {})
self.assertEqual(len(comp.utilities._subscribers), 0)
def test_register_unregister_nonequal_objects_provided(self):
self.test_register_unregister_identical_objects_provided(identical=False)
def test_rebuildUtilityRegistryFromLocalCache(self):
class IFoo(Interface):
"Does nothing"
class UtilityImplementingFoo(object):
"Does nothing"
comps = self._makeOne()
for i in range(30):
comps.registerUtility(UtilityImplementingFoo(), IFoo, name=u'%s' % (i,))
orig_generation = comps.utilities._generation
orig_adapters = comps.utilities._adapters
self.assertEqual(len(orig_adapters), 1)
self.assertEqual(len(orig_adapters[0]), 1)
self.assertEqual(len(orig_adapters[0][IFoo]), 30)
orig_subscribers = comps.utilities._subscribers
self.assertEqual(len(orig_subscribers), 1)
self.assertEqual(len(orig_subscribers[0]), 1)
self.assertEqual(len(orig_subscribers[0][IFoo]), 1)
self.assertEqual(len(orig_subscribers[0][IFoo][u'']), 30)
# Blow a bunch of them away, creating artificial corruption
new_adapters = comps.utilities._adapters = type(orig_adapters)()
new_adapters.append({})
d = new_adapters[0][IFoo] = {}
for name in range(10):
name = type(u'')(str(name))
d[name] = orig_adapters[0][IFoo][name]
self.assertNotEqual(orig_adapters, new_adapters)
new_subscribers = comps.utilities._subscribers = type(orig_subscribers)()
new_subscribers.append({})
d = new_subscribers[0][IFoo] = {}
d[u''] = ()
for name in range(5, 12): # 12 - 5 = 7
name = type(u'')(str(name))
comp = orig_adapters[0][IFoo][name]
d[u''] += (comp,)
# We can preflight (by default) and nothing changes
rebuild_results_preflight = comps.rebuildUtilityRegistryFromLocalCache()
self.assertEqual(comps.utilities._generation, orig_generation)
self.assertEqual(rebuild_results_preflight, {
'did_not_register': 10,
'needed_registered': 20,
'did_not_subscribe': 7,
'needed_subscribed': 23,
})
# Now for real
rebuild_results = comps.rebuildUtilityRegistryFromLocalCache(rebuild=True)
# The generation only got incremented once
self.assertEqual(comps.utilities._generation, orig_generation + 1)
# The result was the same
self.assertEqual(rebuild_results_preflight, rebuild_results)
self.assertEqual(new_adapters, orig_adapters)
self.assertEqual(
len(new_subscribers[0][IFoo][u'']),
len(orig_subscribers[0][IFoo][u'']))
for orig_subscriber in orig_subscribers[0][IFoo][u'']:
self.assertIn(orig_subscriber, new_subscribers[0][IFoo][u''])
# Preflighting, rebuilding again produce no changes.
preflight_after = comps.rebuildUtilityRegistryFromLocalCache()
self.assertEqual(preflight_after, {
'did_not_register': 30,
'needed_registered': 0,
'did_not_subscribe': 30,
'needed_subscribed': 0,
})
rebuild_after = comps.rebuildUtilityRegistryFromLocalCache(rebuild=True)
self.assertEqual(rebuild_after, preflight_after)
self.assertEqual(comps.utilities._generation, orig_generation + 1)
class UnhashableComponentsTests(ComponentsTests):
def _getTargetClass(self):
# Mimic what pyramid does to create an unhashable
# registry
class Components(super(UnhashableComponentsTests, self)._getTargetClass(), dict):
pass
return Components
# Test _getUtilityProvided, _getAdapterProvided, _getAdapterRequired via their
# callers (Component.registerUtility, Component.registerAdapter).
class UtilityRegistrationTests(unittest.TestCase):
def _getTargetClass(self):
from zope.interface.registry import UtilityRegistration
return UtilityRegistration
def _makeOne(self, component=None, factory=None):
from zope.interface.declarations import InterfaceClass
class InterfaceClassSubclass(InterfaceClass):
pass
ifoo = InterfaceClassSubclass('IFoo')
class _Registry(object):
def __repr__(self):
return '_REGISTRY'
registry = _Registry()
name = u'name'
doc = 'DOCSTRING'
klass = self._getTargetClass()
return (klass(registry, ifoo, name, component, doc, factory),
registry,
name,
)
def test_class_conforms_to_IUtilityRegistration(self):
from zope.interface.verify import verifyClass
from zope.interface.interfaces import IUtilityRegistration
verifyClass(IUtilityRegistration, self._getTargetClass())
def test_instance_conforms_to_IUtilityRegistration(self):
from zope.interface.verify import verifyObject
from zope.interface.interfaces import IUtilityRegistration
ur, _, _ = self._makeOne()
verifyObject(IUtilityRegistration, ur)
def test___repr__(self):
class _Component(object):
__name__ = 'TEST'
_component = _Component()
ur, _registry, _name = self._makeOne(_component)
self.assertEqual(repr(ur),
"UtilityRegistration(_REGISTRY, IFoo, %r, TEST, None, 'DOCSTRING')"
% (_name))
def test___repr___provided_wo_name(self):
class _Component(object):
def __repr__(self):
return 'TEST'
_component = _Component()
ur, _registry, _name = self._makeOne(_component)
ur.provided = object()
self.assertEqual(repr(ur),
"UtilityRegistration(_REGISTRY, None, %r, TEST, None, 'DOCSTRING')"
% (_name))
def test___repr___component_wo_name(self):
class _Component(object):
def __repr__(self):
return 'TEST'
_component = _Component()
ur, _registry, _name = self._makeOne(_component)
ur.provided = object()
self.assertEqual(repr(ur),
"UtilityRegistration(_REGISTRY, None, %r, TEST, None, 'DOCSTRING')"
% (_name))
def test___hash__(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
self.assertEqual(ur.__hash__(), id(ur))
def test___eq___identity(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
self.assertTrue(ur == ur)
def test___eq___hit(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component)
self.assertTrue(ur == ur2)
def test___eq___miss(self):
_component = object()
_component2 = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component2)
self.assertFalse(ur == ur2)
def test___ne___identity(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
self.assertFalse(ur != ur)
def test___ne___hit(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component)
self.assertFalse(ur != ur2)
def test___ne___miss(self):
_component = object()
_component2 = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component2)
self.assertTrue(ur != ur2)
def test___lt___identity(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
self.assertFalse(ur < ur)
def test___lt___hit(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component)
self.assertFalse(ur < ur2)
def test___lt___miss(self):
_component = object()
_component2 = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component2)
ur2.name = _name + '2'
self.assertTrue(ur < ur2)
def test___le___identity(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
self.assertTrue(ur <= ur)
def test___le___hit(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component)
self.assertTrue(ur <= ur2)
def test___le___miss(self):
_component = object()
_component2 = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component2)
ur2.name = _name + '2'
self.assertTrue(ur <= ur2)
def test___gt___identity(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
self.assertFalse(ur > ur)
def test___gt___hit(self):
_component = object()
_component2 = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component2)
ur2.name = _name + '2'
self.assertTrue(ur2 > ur)
def test___gt___miss(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component)
self.assertFalse(ur2 > ur)
def test___ge___identity(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
self.assertTrue(ur >= ur)
def test___ge___miss(self):
_component = object()
_component2 = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component2)
ur2.name = _name + '2'
self.assertFalse(ur >= ur2)
def test___ge___hit(self):
_component = object()
ur, _registry, _name = self._makeOne(_component)
ur2, _, _ = self._makeOne(_component)
ur2.name = _name + '2'
self.assertTrue(ur2 >= ur)
class AdapterRegistrationTests(unittest.TestCase):
def _getTargetClass(self):
from zope.interface.registry import AdapterRegistration
return AdapterRegistration
def _makeOne(self, component=None):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Registry(object):
def __repr__(self):
return '_REGISTRY'
registry = _Registry()
name = u'name'
doc = 'DOCSTRING'
klass = self._getTargetClass()
return (klass(registry, (ibar,), ifoo, name, component, doc),
registry,
name,
)
def test_class_conforms_to_IAdapterRegistration(self):
from zope.interface.verify import verifyClass
from zope.interface.interfaces import IAdapterRegistration
verifyClass(IAdapterRegistration, self._getTargetClass())
def test_instance_conforms_to_IAdapterRegistration(self):
from zope.interface.verify import verifyObject
from zope.interface.interfaces import IAdapterRegistration
ar, _, _ = self._makeOne()
verifyObject(IAdapterRegistration, ar)
def test___repr__(self):
class _Component(object):
__name__ = 'TEST'
_component = _Component()
ar, _registry, _name = self._makeOne(_component)
self.assertEqual(repr(ar),
("AdapterRegistration(_REGISTRY, [IBar], IFoo, %r, TEST, "
+ "'DOCSTRING')") % (_name))
def test___repr___provided_wo_name(self):
class _Component(object):
def __repr__(self):
return 'TEST'
_component = _Component()
ar, _registry, _name = self._makeOne(_component)
ar.provided = object()
self.assertEqual(repr(ar),
("AdapterRegistration(_REGISTRY, [IBar], None, %r, TEST, "
+ "'DOCSTRING')") % (_name))
def test___repr___component_wo_name(self):
class _Component(object):
def __repr__(self):
return 'TEST'
_component = _Component()
ar, _registry, _name = self._makeOne(_component)
ar.provided = object()
self.assertEqual(repr(ar),
("AdapterRegistration(_REGISTRY, [IBar], None, %r, TEST, "
+ "'DOCSTRING')") % (_name))
def test___hash__(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
self.assertEqual(ar.__hash__(), id(ar))
def test___eq___identity(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
self.assertTrue(ar == ar)
def test___eq___hit(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component)
self.assertTrue(ar == ar2)
def test___eq___miss(self):
_component = object()
_component2 = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component2)
self.assertFalse(ar == ar2)
def test___ne___identity(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
self.assertFalse(ar != ar)
def test___ne___miss(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component)
self.assertFalse(ar != ar2)
def test___ne___hit_component(self):
_component = object()
_component2 = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component2)
self.assertTrue(ar != ar2)
def test___ne___hit_provided(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ibaz = IFoo('IBaz')
_component = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component)
ar2.provided = ibaz
self.assertTrue(ar != ar2)
def test___ne___hit_required(self):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ibaz = IFoo('IBaz')
_component = object()
_component2 = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component2)
ar2.required = (ibaz,)
self.assertTrue(ar != ar2)
def test___lt___identity(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
self.assertFalse(ar < ar)
def test___lt___hit(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component)
self.assertFalse(ar < ar2)
def test___lt___miss(self):
_component = object()
_component2 = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component2)
ar2.name = _name + '2'
self.assertTrue(ar < ar2)
def test___le___identity(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
self.assertTrue(ar <= ar)
def test___le___hit(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component)
self.assertTrue(ar <= ar2)
def test___le___miss(self):
_component = object()
_component2 = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component2)
ar2.name = _name + '2'
self.assertTrue(ar <= ar2)
def test___gt___identity(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
self.assertFalse(ar > ar)
def test___gt___hit(self):
_component = object()
_component2 = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component2)
ar2.name = _name + '2'
self.assertTrue(ar2 > ar)
def test___gt___miss(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component)
self.assertFalse(ar2 > ar)
def test___ge___identity(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
self.assertTrue(ar >= ar)
def test___ge___miss(self):
_component = object()
_component2 = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component2)
ar2.name = _name + '2'
self.assertFalse(ar >= ar2)
def test___ge___hit(self):
_component = object()
ar, _registry, _name = self._makeOne(_component)
ar2, _, _ = self._makeOne(_component)
ar2.name = _name + '2'
self.assertTrue(ar2 >= ar)
class SubscriptionRegistrationTests(unittest.TestCase):
def _getTargetClass(self):
from zope.interface.registry import SubscriptionRegistration
return SubscriptionRegistration
def _makeOne(self, component=None):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
ibar = IFoo('IBar')
class _Registry(object):
def __repr__(self): # pragma: no cover
return '_REGISTRY'
registry = _Registry()
name = u'name'
doc = 'DOCSTRING'
klass = self._getTargetClass()
return (klass(registry, (ibar,), ifoo, name, component, doc),
registry,
name,
)
def test_class_conforms_to_ISubscriptionAdapterRegistration(self):
from zope.interface.verify import verifyClass
from zope.interface.interfaces import ISubscriptionAdapterRegistration
verifyClass(ISubscriptionAdapterRegistration, self._getTargetClass())
def test_instance_conforms_to_ISubscriptionAdapterRegistration(self):
from zope.interface.verify import verifyObject
from zope.interface.interfaces import ISubscriptionAdapterRegistration
sar, _, _ = self._makeOne()
verifyObject(ISubscriptionAdapterRegistration, sar)
class HandlerRegistrationTests(unittest.TestCase):
def _getTargetClass(self):
from zope.interface.registry import HandlerRegistration
return HandlerRegistration
def _makeOne(self, component=None):
from zope.interface.declarations import InterfaceClass
class IFoo(InterfaceClass):
pass
ifoo = IFoo('IFoo')
class _Registry(object):
def __repr__(self):
return '_REGISTRY'
registry = _Registry()
name = u'name'
doc = 'DOCSTRING'
klass = self._getTargetClass()
return (klass(registry, (ifoo,), name, component, doc),
registry,
name,
)
def test_class_conforms_to_IHandlerRegistration(self):
from zope.interface.verify import verifyClass
from zope.interface.interfaces import IHandlerRegistration
verifyClass(IHandlerRegistration, self._getTargetClass())
def test_instance_conforms_to_IHandlerRegistration(self):
from zope.interface.verify import verifyObject
from zope.interface.interfaces import IHandlerRegistration
hr, _, _ = self._makeOne()
verifyObject(IHandlerRegistration, hr)
def test_properties(self):
def _factory(context):
raise NotImplementedError()
hr, _, _ = self._makeOne(_factory)
self.assertTrue(hr.handler is _factory)
self.assertTrue(hr.factory is hr.handler)
self.assertTrue(hr.provided is None)
def test___repr___factory_w_name(self):
class _Factory(object):
__name__ = 'TEST'
hr, _registry, _name = self._makeOne(_Factory())
self.assertEqual(repr(hr),
("HandlerRegistration(_REGISTRY, [IFoo], %r, TEST, "
+ "'DOCSTRING')") % (_name))
def test___repr___factory_wo_name(self):
class _Factory(object):
def __repr__(self):
return 'TEST'
hr, _registry, _name = self._makeOne(_Factory())
self.assertEqual(repr(hr),
("HandlerRegistration(_REGISTRY, [IFoo], %r, TEST, "
+ "'DOCSTRING')") % (_name))
class PersistentAdapterRegistry(VerifyingAdapterRegistry):
def __getstate__(self):
state = self.__dict__.copy()
for k in list(state):
if k in self._delegated or k.startswith('_v'):
state.pop(k)
state.pop('ro', None)
return state
def __setstate__(self, state):
bases = state.pop('__bases__', ())
self.__dict__.update(state)
self._createLookup()
self.__bases__ = bases
self._v_lookup.changed(self)
class PersistentComponents(Components):
# Mimic zope.component.persistentregistry.PersistentComponents:
# we should be picklalable, but not persistent.Persistent ourself.
def _init_registries(self):
self.adapters = PersistentAdapterRegistry()
self.utilities = PersistentAdapterRegistry()
class PersistentDictComponents(PersistentComponents, dict):
# Like Pyramid's Registry, we subclass Components and dict
pass
class PersistentComponentsDict(dict, PersistentComponents):
# Like the above, but inheritance is flipped
def __init__(self, name):
dict.__init__(self)
PersistentComponents.__init__(self, name)
class TestPersistentComponents(unittest.TestCase):
def _makeOne(self):
return PersistentComponents('test')
def _check_equality_after_pickle(self, made):
pass
def test_pickles_empty(self):
import pickle
comp = self._makeOne()
pickle.dumps(comp)
comp2 = pickle.loads(pickle.dumps(comp))
self.assertEqual(comp2.__name__, 'test')
def test_pickles_with_utility_registration(self):
import pickle
comp = self._makeOne()
utility = object()
comp.registerUtility(
utility,
Interface)
self.assertIs(utility,
comp.getUtility(Interface))
comp2 = pickle.loads(pickle.dumps(comp))
self.assertEqual(comp2.__name__, 'test')
# The utility is still registered
self.assertIsNotNone(comp2.getUtility(Interface))
# We can register another one
comp2.registerUtility(
utility,
Interface)
self.assertIs(utility,
comp2.getUtility(Interface))
self._check_equality_after_pickle(comp2)
class TestPersistentDictComponents(TestPersistentComponents):
def _getTargetClass(self):
return PersistentDictComponents
def _makeOne(self):
comp = self._getTargetClass()(name='test')
comp['key'] = 42
return comp
def _check_equality_after_pickle(self, made):
self.assertIn('key', made)
self.assertEqual(made['key'], 42)
class TestPersistentComponentsDict(TestPersistentDictComponents):
def _getTargetClass(self):
return PersistentComponentsDict
class _Monkey(object):
# context-manager for replacing module names in the scope of a test.
def __init__(self, module, **kw):
self.module = module
self.to_restore = dict([(key, getattr(module, key)) for key in kw])
for key, value in kw.items():
setattr(module, key, value)
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
for key, value in self.to_restore.items():
setattr(self.module, key, value)
OHA YOOOO