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# Copyright 2009-2010 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Helpers for testing menus."""
__metaclass__ = type
__all__ = [
'summarise_tal_links',
'make_fake_request',
]
from lazr.restful.utils import safe_hasattr
from zope.security.management import (
endInteraction,
newInteraction,
)
from zope.security.proxy import isinstance as zope_isinstance
from lp.services.webapp import urlsplit
from lp.services.webapp.interfaces import ILink
from lp.services.webapp.publisher import canonical_url
from lp.services.webapp.servers import LaunchpadTestRequest
def check_menu_links(menu):
context = menu.context
for link in menu.iterlinks():
if link.target.startswith(('/', 'http://')):
# The context is not the context of this target.
continue
if '?' in link.target:
view_name, _args = link.target.split('?')
else:
view_name = link.target
if view_name == '':
view_name = None
try:
canonical_url(context, view_name=view_name, rootsite=link.site)
except Exception:
return 'Bad link %s: %s' % (link.name, canonical_url(context))
return True
def summarise_tal_links(links):
"""List the links and their attributes in the dict or list.
:param links: A dictionary or list of menu links returned by
`lp.app.browser.tales.MenuAPI`.
"""
is_dict = zope_isinstance(links, dict)
if is_dict:
keys = sorted(links)
else:
keys = links
for key in keys:
if is_dict:
link = links[key]
else:
link = key
if ILink.providedBy(link):
print 'link %s' % link.name
attributes = ('url', 'enabled', 'menu', 'selected', 'linked')
for attrname in attributes:
if not safe_hasattr(link, attrname):
continue
print ' %s:' % attrname, getattr(link, attrname)
else:
print 'attribute %s: %s' % (key, link)
def make_fake_request(url, traversed_objects=None):
"""Return a fake request object for menu testing.
:param traversed_objects: A list of objects that becomes the request's
traversed_objects attribute.
"""
url_parts = urlsplit(url)
server_url = '://'.join(url_parts[0:2])
path_info = url_parts[2]
request = LaunchpadTestRequest(
SERVER_URL=server_url,
PATH_INFO=path_info)
request._traversed_names = path_info.split('/')[1:]
if traversed_objects is not None:
request.traversed_objects = traversed_objects[:]
# After making the request, setup a new interaction.
endInteraction()
newInteraction(request)
return request
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