1##############################################################################
2#
3# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
4# All Rights Reserved.
5#
6# This software is subject to the provisions of the Zope Public License,
7# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
8# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
9# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
10# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
11# FOR A PARTICULAR PURPOSE.
12#
13##############################################################################
14"""Placeless Test Setup
15"""
16from zope.component import provideHandler
17from zope.component.event import objectEventNotify
18from zope.component.registry import dispatchUtilityRegistrationEvent
19from zope.component.registry import dispatchAdapterRegistrationEvent
20from zope.component.registry import (
21    dispatchSubscriptionAdapterRegistrationEvent)
22from zope.component.registry import dispatchHandlerRegistrationEvent
23try:
24    from zope.testing.cleanup import addCleanUp
25except ImportError: #pragma NO COVER
26    def addCleanUp(x):
27        pass
28
29events = []
30def getEvents(event_type=None, filter=None): #pragma NO COVER going aaway
31    r = []
32    for event in events:
33        if event_type is not None and not event_type.providedBy(event):
34            continue
35        if filter is not None and not filter(event):
36            continue
37        r.append(event)
38
39    return r
40
41def clearEvents(): #pragma NO COVER going aaway
42    del events[:]
43addCleanUp(clearEvents)
44
45class PlacelessSetup: #pragma NO COVER going aaway
46
47    def setUp(self):
48        provideHandler(objectEventNotify)
49        provideHandler(dispatchUtilityRegistrationEvent)
50        provideHandler(dispatchAdapterRegistrationEvent)
51        provideHandler(dispatchSubscriptionAdapterRegistrationEvent)
52        provideHandler(dispatchHandlerRegistrationEvent)
53        provideHandler(events.append, (None,))
54
55def setUp(test=None): #pragma NO COVER going aaway
56    PlacelessSetup().setUp()
57