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= Bug Links =
Questions can be linked to bugs. A user should do that when the problem
exposed in the question is related to a bug report.
== Adding Links ==
Question #2 in firefox is about a user which has trouble displaying the
SVG demo on the W3C site. There is an existing Launchpad bug report (#1)
which describes that problem. A user that wants to document that
relationship goes to the question and click the 'Link Existing Bug'.
This link is only available to registered user:
>>> anon_browser.open(
... 'http://launchpad.dev/firefox/+question/2')
>>> anon_browser.getLink(url='+linkbug').click()
Traceback (most recent call last):
...
Unauthorized: ...
>>> user_browser.open(
... 'http://launchpad.dev/firefox/+question/2')
>>> user_browser.getLink('Link existing bug').click()
To link the bug, the user enters the bug ID and clicks the 'Add'
button.
>>> user_browser.getControl('Bug ID').value = '111'
>>> user_browser.getControl('Link').click()
When the user makes a mistake and uses an invalid bug number, an error
message is displayed:
>>> soup = find_main_content(user_browser.contents)
>>> soup.first('div', 'message')
<div class="message">Not a valid bug number or nickname.</div>
The user is offered a link to search for bug in case he doesn't know the
bug number.
>>> user_browser.getLink('Bug listing').click()
>>> user_browser.url
'.../firefox/+bugs'
>>> user_browser.goBack(1)
The user now enters the correct bug number and after clicking the
'Link' button, the bug will now be listed under the 'Related bugs'
portlet:
>>> user_browser.getControl('Bug ID').value = '1'
>>> user_browser.getControl('Link').click()
>>> print extract_text(
... find_tag_by_id(user_browser.contents, 'related-bugs'))
Related bugs
Bug #1: Firefox does not support SVG
A notification is also displayed.
>>> for message in get_feedback_messages(user_browser.contents):
... print message
Added link to bug #1: ...Firefox does not support SVG...
== Removing Links ==
To remove bug links, the user uses the 'Remove Bug Link' action.
>>> user_browser.getLink('Remove bug link').click()
>>> print user_browser.title
Remove links to bug reports : Question #...
The list of linked bugs is displayed. The user selects the link to
remove and clicks the 'Remove' button.
>>> user_browser.getControl('#1: Firefox').selected = True
>>> user_browser.getControl('Remove').click()
The user is redirected to the question page and a confirmation
message is displayed:
>>> user_browser.url
'.../firefox/+question/2'
>>> soup = find_main_content(user_browser.contents)
>>> soup.first('div', 'informational message')
<div class="informational message">Removed link to bug #...</div>
>>> print extract_text(
... find_tag_by_id(user_browser.contents, 'related-bugs'))
Related bugs
== Link to Private Bugs ==
# Let's mark bug #6 as private and only accessible by an
# administrator.
# XXX flacoste 2006-08-22 bug=57307:
# This should use a private bug in our sample data.
>>> from zope.component import getUtility
>>> from lp.testing import login, logout
>>> from lp.services.database.sqlbase import flush_database_updates
>>> from lp.services.webapp.interfaces import ILaunchBag
>>> from lp.bugs.interfaces.bug import IBugSet
>>> login('foo.bar@canonical.com')
>>> private_bug = getUtility(IBugSet).get(6)
>>> private_bug.setPrivate(True, getUtility(ILaunchBag).user)
True
>>> flush_database_updates()
>>> logout()
A regular user shouldn't be able to link to a private bug he doesn't
have access to:
# We use the no-priv user here because sample person is subscribed
# and thus has access to the private bug.
>>> browser.addHeader('Authorization', 'Basic no-priv@canonical.com:test')
>>> browser.open('http://launchpad.dev/firefox/+question/2')
>>> browser.getLink('Link existing bug').click()
>>> browser.getControl('Bug ID').value = '6'
>>> browser.getControl('Link').click()
>>> for tag in find_tags_by_class(browser.contents, 'message'):
... print tag.renderContents()
There is 1 error.
You are not allowed to link to private bug #6.
An administrator (or another user having access to the bug) should be
able to link to that bug.
>>> admin_browser.open(
... 'http://launchpad.dev/firefox/+question/2')
>>> admin_browser.getLink('Link existing bug').click()
>>> admin_browser.getControl('Bug ID').value = '6'
>>> admin_browser.getControl('Link').click()
>>> print extract_text(
... find_tag_by_id(admin_browser.contents, 'related-bugs'))
Related bugs
Bug #6: Firefox crashes when Save As dialog for a nonexistent window
is closed
An anonymous visitor (or a user that doesn't have access to the bug) sees
nothing.
>>> anon_browser.open(
... 'http://launchpad.dev/firefox/+question/2')
>>> print extract_text(
... find_tag_by_id(anon_browser.contents, 'related-bugs'))
Related bugs
Only the administrator will be able to unlink the bug.
>>> browser.open('http://launchpad.dev/firefox/+question/2')
>>> browser.getLink('Remove bug link').click()
>>> soup = find_main_content(browser.contents)
>>> for message in get_feedback_messages(browser.contents):
... print message
There are no links that you are allowed to remove.
>>> admin_browser.getLink('Remove bug link').click()
>>> admin_browser.getControl('#6: Firefox').selected = True
>>> admin_browser.getControl('Remove').click()
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