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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.registry
"""
import unittest
from zope.component.tests import fails_if_called
class Test_dispatchUtilityRegistrationEvent(unittest.TestCase):
from zope.component.testing import setUp, tearDown
def _callFUT(self, *args, **kw):
from zope.component.registry import dispatchUtilityRegistrationEvent
return dispatchUtilityRegistrationEvent(*args, **kw)
def test_it(self):
from zope.component import registry
class _Registration(object):
component = object()
_EVENT = object()
_handled = []
def _handle(*args):
_handled.append(args)
with _Monkey(registry, handle=_handle):
self._callFUT(_Registration(), _EVENT)
self.assertEqual(_handled, [(_Registration.component, _EVENT)])
class Test_dispatchAdapterRegistrationEvent(unittest.TestCase):
from zope.component.testing import setUp, tearDown
def _callFUT(self, *args, **kw):
from zope.component.registry import dispatchAdapterRegistrationEvent
return dispatchAdapterRegistrationEvent(*args, **kw)
def test_it(self):
from zope.component import registry
class _Registration(object):
factory = fails_if_called(self)
_registration = _Registration()
_EVENT = object()
_handled = []
def _handle(*args):
_handled.append(args)
with _Monkey(registry, handle=_handle):
self._callFUT(_registration, _EVENT)
self.assertEqual(_handled, [(_registration.factory, _EVENT)])
class Test_dispatchSubscriptionAdapterRegistrationEvent(unittest.TestCase):
from zope.component.testing import setUp, tearDown
def _callFUT(self, *args, **kw):
from zope.component.registry \
import dispatchSubscriptionAdapterRegistrationEvent
return dispatchSubscriptionAdapterRegistrationEvent(*args, **kw)
def test_it(self):
from zope.component import registry
class _Registration(object):
factory = fails_if_called(self)
_registration = _Registration()
_EVENT = object()
_handled = []
def _handle(*args):
_handled.append(args)
with _Monkey(registry, handle=_handle):
self._callFUT(_registration, _EVENT)
self.assertEqual(_handled, [(_registration.factory, _EVENT)])
class Test_dispatchHandlerRegistrationEvent(unittest.TestCase):
from zope.component.testing import setUp, tearDown
def _callFUT(self, *args, **kw):
from zope.component.registry import dispatchHandlerRegistrationEvent
return dispatchHandlerRegistrationEvent(*args, **kw)
def test_it(self):
from zope.component import registry
class _Registration(object):
handler = fails_if_called(self)
_registration = _Registration()
_EVENT = object()
_handled = []
def _handle(*args):
_handled.append(args)
with _Monkey(registry, handle=_handle):
self._callFUT(_registration, _EVENT)
self.assertEqual(_handled, [(_registration.handler, _EVENT)])
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)
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