daphne/channels/tests/test_worker.py
Krukov D 9505906b42 Fix re-inserting, with tests (#146)
* Stopping re-inserting at first success

* Added a few tests for worker running

* Coping routes in channels layers at the ChannelTestCase

* Remake worker test with less mocking
2016-05-08 12:21:58 -07:00

96 lines
3.1 KiB
Python

from __future__ import unicode_literals
try:
from unittest import mock
except ImportError:
import mock
from channels import Channel, route, DEFAULT_CHANNEL_LAYER
from channels.asgi import channel_layers
from channels.tests import ChannelTestCase
from channels.worker import Worker
from channels.exceptions import ConsumeLater
class PatchedWorker(Worker):
"""Worker with specific numbers of loops"""
def get_termed(self):
if not self.__iters:
return True
self.__iters -= 1
return False
def set_termed(self, value):
self.__iters = value
termed = property(get_termed, set_termed)
class WorkerTests(ChannelTestCase):
"""
Tests that the router's routing code works correctly.
"""
def test_channel_filters(self):
"""
Tests that the include/exclude logic works
"""
# Include
worker = Worker(None, only_channels=["yes.*", "maybe.*"])
self.assertEqual(
worker.apply_channel_filters(["yes.1", "no.1"]),
["yes.1"],
)
self.assertEqual(
worker.apply_channel_filters(["yes.1", "no.1", "maybe.2", "yes"]),
["yes.1", "maybe.2"],
)
# Exclude
worker = Worker(None, exclude_channels=["no.*", "maybe.*"])
self.assertEqual(
worker.apply_channel_filters(["yes.1", "no.1", "maybe.2", "yes"]),
["yes.1", "yes"],
)
# Both
worker = Worker(None, exclude_channels=["no.*"], only_channels=["yes.*"])
self.assertEqual(
worker.apply_channel_filters(["yes.1", "no.1", "maybe.2", "yes"]),
["yes.1"],
)
def test_run_with_consume_later_error(self):
# consumer with ConsumeLater error at first call
def _consumer(message, **kwargs):
_consumer._call_count = getattr(_consumer, '_call_count', 0) + 1
if _consumer._call_count == 1:
raise ConsumeLater()
Channel('test').send({'test': 'test'})
channel_layer = channel_layers[DEFAULT_CHANNEL_LAYER]
channel_layer.router.add_route(route('test', _consumer))
old_send = channel_layer.send
channel_layer.send = mock.Mock(side_effect=old_send) # proxy 'send' for counting
worker = PatchedWorker(channel_layer)
worker.termed = 2 # first loop with error, second with sending
worker.run()
self.assertEqual(getattr(_consumer, '_call_count', None), 2)
self.assertEqual(channel_layer.send.call_count, 1)
def test_normal_run(self):
consumer = mock.Mock()
Channel('test').send({'test': 'test'})
channel_layer = channel_layers[DEFAULT_CHANNEL_LAYER]
channel_layer.router.add_route(route('test', consumer))
old_send = channel_layer.send
channel_layer.send = mock.Mock(side_effect=old_send) # proxy 'send' for counting
worker = PatchedWorker(channel_layer)
worker.termed = 2
worker.run()
self.assertEqual(consumer.call_count, 1)
self.assertEqual(channel_layer.send.call_count, 0)