def test_reading_undocumented_feature_flags(self):
"""Reading undocumented feature flags records them as undocumented."""
controller = NullFeatureController()
# This test assumes there is no flag named "does-not-exist".
assert 'does-not-exist' not in documented_flags
controller.getFlag('does-not-exist')
self.assertThat(undocumented_flags, Contains('does-not-exist'))
def test_reading_undocumented_feature_flags(self):
"""Reading undocumented feature flags records them as undocumented."""
controller = NullFeatureController()
# This test assumes there is no flag named "does-not-exist".
assert 'does-not-exist' not in documented_flags
controller.getFlag('does-not-exist')
self.assertThat(undocumented_flags, Contains('does-not-exist'))
def test_reading_documented_feature_flags(self):
"""Reading documented flags does not record them as undocumented."""
controller = NullFeatureController()
# Make sure there is no flag named "documented-flag-name" before we
# start testing.
assert 'documented-flag-name' not in documented_flags
documented_flags.update(['documented-flag-name'])
controller.getFlag('documented-flag-name')
self.assertThat(undocumented_flags,
Not(Contains('documented-flag-name')))
def test_reading_documented_feature_flags(self):
"""Reading documented flags does not record them as undocumented."""
controller = NullFeatureController()
# Make sure there is no flag named "documented-flag-name" before we
# start testing.
assert 'documented-flag-name' not in documented_flags
documented_flags.update(['documented-flag-name'])
controller.getFlag('documented-flag-name')
self.assertThat(
undocumented_flags,
Not(Contains('documented-flag-name')))
def callObject(self, request, ob):
"""See `zope.publisher.interfaces.IPublication`.
Our implementation make sure that no result is returned on
redirect.
It also sets the launchpad.userid and launchpad.pageid WSGI
environment variables.
"""
request._publicationticks_start = tickcount.tickcount()
if request.response.getStatus() in [301, 302, 303, 307]:
return ''
request.setInWSGIEnvironment('launchpad.userid', request.principal.id)
# The view may be security proxied
view = removeSecurityProxy(ob)
# It's possible that the view is a bound method.
view = getattr(view, 'im_self', view)
context = removeSecurityProxy(getattr(view, 'context', None))
pageid = self.constructPageID(view, context)
request.setInWSGIEnvironment('launchpad.pageid', pageid)
# And spit the pageid out to our tracelog.
tracelog(request, 'p', pageid)
# For status URLs, where we really don't want to have any DB access
# at all, ensure that all flag lookups will stop early.
if pageid in ('RootObject:OpStats', 'RootObject:+opstats',
'RootObject:+haproxy'):
request.features = NullFeatureController()
features.install_feature_controller(request.features)
# Calculate the hard timeout: needed because featureflags can be used
# to control the hard timeout, and they trigger DB access, but our
# DB tracers are not safe for reentrant use, so we must do this
# outside of the SQL stack. We must also do it after traversal so that
# the view is known and can be used in scope resolution. As we
# actually stash the pageid after afterTraversal, we need to do this
# even later.
da.set_permit_timeout_from_features(True)
da._get_request_timeout()
if isinstance(removeSecurityProxy(ob), METHOD_WRAPPER_TYPE):
# this is a direct call on a C-defined method such as __repr__ or
# dict.__setitem__. Apparently publishing this is possible and
# acceptable, at least in the case of
# lp.services.webapp.servers.PrivateXMLRPCPublication.
# mapply cannot handle these methods because it cannot introspect
# them. We'll just call them directly.
return ob(*request.getPositionalArguments())
return mapply(ob, request.getPositionalArguments(), request)
def __init__(self, context, request):
super(SystemErrorView, self).__init__(context, request)
self.request.response.removeAllNotifications()
if self.response_code is not None:
self.request.response.setStatus(self.response_code)
if getattr(self.request, 'oopsid') is not None:
self.request.response.addHeader('X-Lazr-OopsId',
self.request.oopsid)
# Need to neuter the feature flags on error output. The base template
# checks for a feature flag, but they depend on db access which might
# not have been setup yet.
request.features = NullFeatureController()
features.install_feature_controller(request.features)
self.computeDebugOutput()
if config.canonical.show_tracebacks:
self.show_tracebacks = True
if lp.layers.DebugLayer.providedBy(self.request):
self.debugging = True
self.specialuser = getUtility(ILaunchBag).developer
def test_script_restores_feature_controller(self):
previous_controller = NullFeatureController()
install_feature_controller(previous_controller)
FakeScript(name="mongo").run()
self.assertEqual(
previous_controller, get_relevant_feature_controller())
