OpenSlides/tests/integration/utils/test_autoupdate.py

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from unittest.mock import patch
from channels import DEFAULT_CHANNEL_LAYER
from channels.asgi import channel_layers
from channels.tests import ChannelTestCase
from django.contrib.auth.models import Group
from openslides.assignments.models import Assignment
from openslides.topics.models import Topic
from openslides.utils.autoupdate import (
inform_changed_data,
inform_deleted_data,
)
@patch('openslides.utils.autoupdate.transaction.on_commit', lambda func: func())
class TestsInformChangedData(ChannelTestCase):
# on_commit does not work with Djangos TestCase, see:
# https://docs.djangoproject.com/en/1.10/topics/db/transactions/#use-in-tests
# In this case it is also not possible to use a TransactionTestCase because
# we have to use the ChannelTestCase.
# The patch in the class decorator changes on_commit, so the given callable
# is called immediately. This is the same behavior as if there would be
# no transaction at all.
def test_change_one_element(self):
topic = Topic.objects.create(title='test_topic')
channel_layers[DEFAULT_CHANNEL_LAYER].flush()
inform_changed_data(topic)
channel_message = self.get_next_message('autoupdate.send_data', require=True)
self.assertEqual(len(channel_message['elements']), 1)
self.assertEqual(
channel_message['elements'][0]['collection_string'],
'topics/topic')
def test_change_many_elements(self):
topics = (
Topic.objects.create(title='test_topic1'),
Topic.objects.create(title='test_topic2'),
Topic.objects.create(title='test_topic3'))
channel_layers[DEFAULT_CHANNEL_LAYER].flush()
inform_changed_data(topics)
channel_message = self.get_next_message('autoupdate.send_data', require=True)
self.assertEqual(len(channel_message['elements']), 3)
def test_change_with_non_root_rest_elements(self):
"""
Tests that if an root_rest_element is called together with one of its
child elements, then there is only the root_rest_element in the channel
message.
"""
assignment = Assignment.objects.create(title='test_assignment', open_posts=1)
poll = assignment.create_poll()
channel_layers[DEFAULT_CHANNEL_LAYER].flush()
inform_changed_data((assignment, poll))
channel_message = self.get_next_message('autoupdate.send_data', require=True)
self.assertEqual(len(channel_message['elements']), 1)
def test_change_only_non_root_rest_element(self):
"""
Tests that if only a non root_rest_element is called, then only the
root_rest_element is in the channel.
"""
assignment = Assignment.objects.create(title='test_assignment', open_posts=1)
poll = assignment.create_poll()
channel_layers[DEFAULT_CHANNEL_LAYER].flush()
inform_changed_data(poll)
channel_message = self.get_next_message('autoupdate.send_data', require=True)
self.assertEqual(len(channel_message['elements']), 1)
def test_change_no_autoupdate_model(self):
"""
Tests that if inform_changed_data() is called with a model that does
not support autoupdate, nothing happens. We use the django Group for
this (not the OpenSlides Group)
"""
group = Group.objects.create(name='test_group')
channel_layers[DEFAULT_CHANNEL_LAYER].flush()
inform_changed_data(group)
with self.assertRaises(AssertionError):
# self.get_next_message() with require=True raises a AssertionError
# if there is no message in the channel
self.get_next_message('autoupdate.send_data', require=True)
def test_delete_one_element(self):
channel_layers[DEFAULT_CHANNEL_LAYER].flush()
inform_deleted_data([('topics/topic', 1)])
channel_message = self.get_next_message('autoupdate.send_data', require=True)
self.assertEqual(len(channel_message['elements']), 1)
self.assertTrue(channel_message['elements'][0]['deleted'])
def test_delete_many_elements(self):
channel_layers[DEFAULT_CHANNEL_LAYER].flush()
inform_deleted_data([('topics/topic', 1), ('topics/topic', 2), ('testmodule/model', 1)])
channel_message = self.get_next_message('autoupdate.send_data', require=True)
self.assertEqual(len(channel_message['elements']), 3)