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"""
Test support for retrieving avatars asynchronously using RequestAvatars.
"""
import base64
import hashlib
from twisted.words.xish import domish
from servicetest import EventPattern, sync_dbus, assertEquals
from gabbletest import (exec_test, acknowledge_iq, make_result_iq,
sync_stream, send_error_reply, make_presence)
import constants as cs
import ns
import dbus
avatar_retrieved_event = EventPattern('dbus-signal', signal='AvatarRetrieved')
avatar_request_event = EventPattern('stream-iq', query_ns='vcard-temp')
def test_get_avatar(q, bus, conn, stream, contact, handle, in_cache=False):
conn.Avatars.RequestAvatars([handle])
if in_cache:
q.forbid_events([avatar_request_event])
else:
iq_event = q.expect('stream-iq', to=contact, query_ns='vcard-temp',
query_name='vCard')
iq = make_result_iq(stream, iq_event.stanza)
vcard = iq.firstChildElement()
photo = vcard.addElement('PHOTO')
photo.addElement('TYPE', content='image/png')
photo.addElement('BINVAL', content=base64.b64encode('hello'))
stream.send(iq)
event = q.expect('dbus-signal', signal='AvatarRetrieved')
assertEquals(handle, event.args[0])
assertEquals(hashlib.sha1('hello').hexdigest(), event.args[1])
assertEquals('hello', event.args[2])
assertEquals('image/png', event.args[3])
if in_cache:
sync_stream(q, stream)
q.unforbid_events([avatar_request_event])
def test(q, bus, conn, stream):
iq_event = q.expect('stream-iq', to=None, query_ns='vcard-temp',
query_name='vCard')
# When we start, there is no avatar
acknowledge_iq(stream, iq_event.stanza)
self_handle = conn.Properties.Get(cs.CONN, "SelfHandle")
# Another resource confirms we have no avatar. We don't request our vCard
# because we already know there is no avatar
presence_stanza = make_presence('test@localhost/noavatar',
to='test@localhost/Resource',
show='away', status='At the pub',
photo="")
q.forbid_events([avatar_request_event, avatar_retrieved_event])
# Gabble must resist temptation to send vCard requests even with several
# presence stanza sent!
stream.send(presence_stanza)
stream.send(presence_stanza)
sync_stream(q, stream) # Twice because the vCard request is done in
sync_stream(q, stream) # g_idle_add
q.unforbid_events([avatar_request_event, avatar_retrieved_event])
# Request on the first contact. Test the cache.
handle = conn.get_contact_handle_sync('bob@foo.com')
test_get_avatar(q, bus, conn, stream, 'bob@foo.com', handle,
in_cache=False)
test_get_avatar(q, bus, conn, stream, 'bob@foo.com', handle,
in_cache=True)
# Request another vCard and get resource-constraint
busy_contact = 'jean@busy-server.com'
busy_handle = conn.get_contact_handle_sync(busy_contact)
conn.Avatars.RequestAvatars([busy_handle])
iq_event = q.expect('stream-iq', to=busy_contact, query_ns='vcard-temp',
query_name='vCard')
iq = iq_event.stanza
error = domish.Element((None, 'error'))
error['code'] = '500'
error['type'] = 'wait'
error.addElement((ns.STANZA, 'resource-constraint'))
q.forbid_events([avatar_retrieved_event, avatar_request_event])
send_error_reply(stream, iq, error)
# Request the same vCard again during the suspended delay
# We should not get the avatar
conn.Avatars.RequestAvatars([busy_handle])
sync_stream(q, stream)
sync_dbus(bus, q, conn)
q.unforbid_events([avatar_retrieved_event, avatar_request_event])
# Request on a different contact, on another server
# We should get the avatar
handle = conn.get_contact_handle_sync('bob2@foo.com')
test_get_avatar(q, bus, conn, stream, 'bob2@foo.com', handle)
# Try again the contact on the busy server.
# We should not get the avatar
# Note: the timeout is 3 seconds for the test suites. We assume that
# a few stanza with be processed fast enough to avoid the race.
q.forbid_events([avatar_retrieved_event, avatar_request_event])
conn.Avatars.RequestAvatars([busy_handle])
sync_stream(q, stream)
sync_dbus(bus, q, conn)
q.unforbid_events([avatar_retrieved_event, avatar_request_event])
# After 3 seconds, we receive a new vCard request on the busy server
iq_event = q.expect('stream-iq', to=busy_contact, query_ns='vcard-temp',
query_name='vCard')
iq = make_result_iq(stream, iq_event.stanza)
vcard = iq.firstChildElement()
photo = vcard.addElement('PHOTO')
photo.addElement('TYPE', content='image/png')
photo.addElement('BINVAL', content=base64.b64encode('hello'))
stream.send(iq)
event = q.expect('dbus-signal', signal='AvatarRetrieved')
assertEquals(busy_handle, event.args[0])
assertEquals(hashlib.sha1('hello').hexdigest(), event.args[1])
assertEquals('hello', event.args[2])
assertEquals('image/png', event.args[3])
# Test with our own avatar test@localhost/Resource2
presence_stanza = make_presence('test@localhost/Resource2',
to='test@localhost/Resource',
show='away', status='At the pub',
photo=hashlib.sha1(':-D').hexdigest())
stream.send(presence_stanza)
iq_event = q.expect('stream-iq', to=None, query_ns='vcard-temp',
query_name='vCard')
iq = make_result_iq(stream, iq_event.stanza)
vcard = iq.firstChildElement()
photo = vcard.addElement('PHOTO')
photo.addElement('TYPE', content='image/png')
photo.addElement('BINVAL', content=base64.b64encode(':-D'))
# do not send the vCard reply now. First, send another presence.
q.forbid_events([avatar_request_event])
stream.send(presence_stanza)
sync_stream(q, stream)
# Now send the reply.
stream.send(iq)
# Which results in an AvatarUpdated signal
event = q.expect('dbus-signal', signal='AvatarUpdated')
assertEquals(self_handle, event.args[0])
assertEquals(hashlib.sha1(':-D').hexdigest(), event.args[1])
# So Gabble has the right hash, and no need to ask the vCard again
stream.send(presence_stanza)
sync_stream(q, stream)
q.unforbid_events([avatar_request_event])
# But if the hash is different, the vCard is asked again
presence_stanza = make_presence('test@localhost/Resource2',
to='test@localhost/Resource',
show='away', status='At the pub',
photo=hashlib.sha1('\o/').hexdigest())
stream.send(presence_stanza)
iq_event = q.expect('stream-iq', to=None, query_ns='vcard-temp',
query_name='vCard')
iq = make_result_iq(stream, iq_event.stanza)
vcard = iq.firstChildElement()
photo = vcard.addElement('PHOTO')
photo.addElement('TYPE', content='image/png')
photo.addElement('BINVAL', content=base64.b64encode('\o/'))
stream.send(iq)
event = q.expect('dbus-signal', signal='AvatarUpdated')
assertEquals(self_handle, event.args[0])
assertEquals(hashlib.sha1('\o/').hexdigest(), event.args[1])
# Gabble must reply without asking the vCard to the server because the
# avatar must be in the cache
q.forbid_events([avatar_request_event])
conn.Avatars.RequestAvatars([self_handle])
e = q.expect('dbus-signal', signal='AvatarRetrieved')
assertEquals('\o/', e.args[2])
conn.Avatars.RequestAvatars([handle])
e = q.expect('dbus-signal', signal='AvatarRetrieved')
assertEquals('hello', e.args[2])
q.unforbid_events([avatar_request_event])
# First, ensure the pipeline is full
contacts = ['random_user_%s@bigserver.com' % i for i in range(1, 100) ]
handles = conn.get_contact_handles_sync(contacts)
conn.Avatars.RequestAvatars(handles)
# Then, request yet another avatar. The request will time out before
# the IQ is sent, which used to trigger a crash in Gabble
# (LP#445847).
conn.Avatars.RequestAvatars([handles[-1]])
sync_dbus(bus, q, conn)
if __name__ == '__main__':
exec_test(test)
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