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Announcement Pages
==================
Tests for breadcrumbs, menus, and pages.
Breadcrumbs
-----------
Announcement breadcrumbs use the announcement title.
>>> from canonical.lazr.testing.menus import make_fake_request
>>> product = factory.makeProduct(name='cube')
>>> owner = product.owner
>>> announcement = product.announce(
... user=owner, title='A title', summary='A summary')
>>> view = create_initialized_view(announcement, '+index')
>>> request = make_fake_request(
... 'http://launchpad.dev/joy-of-cooking/spam',
... [product, announcement, view])
>>> hierarchy = create_initialized_view(
... announcement, '+hierarchy', request=request)
>>> hierarchy.items
[<DisplaynameBreadcrumb ... text='Cube'>,
<TitleBreadcrumb ... text='A title'>]
Menus
-----
The announcement module provides two menus. There is an edit menu for an
announcement.
>>> from lp.registry.browser.announcement import (
... AnnouncementEditNavigationMenu, AnnouncementCreateNavigationMenu)
>>> from lp.testing.menu import check_menu_links
>>> check_menu_links(AnnouncementEditNavigationMenu(announcement))
True
There is a menu for views for IHasAnnouncements objects to list there
announcements. The product implements IHasAnnouncements.
>>> check_menu_links(AnnouncementCreateNavigationMenu(product))
True
Batching
--------
Announcements are presented in batches. For launchpad.dev the batch size is
smaller than in production to ease testing.
>>> from lp.registry.interfaces.announcement import IAnnouncementSet
>>> announcement_set = getUtility(IAnnouncementSet)
>>> view = create_initialized_view(
... announcement_set, '+announcements')
>>> print len(list(view.announcements))
20
>>> print view.batch_size
4
>>> batch = view.announcement_nav.currentBatch()
>>> print len(list(batch))
4
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