forked from celery/celery
/
test_worker_control.py
220 lines (171 loc) · 7.16 KB
/
test_worker_control.py
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import socket
import unittest2 as unittest
from celery.utils.timer2 import Timer
from celery import conf
from celery.decorators import task
from celery.registry import tasks
from celery.task.builtins import PingTask
from celery.utils import gen_unique_id
from celery.worker import control
from celery.worker.buckets import FastQueue
from celery.worker.job import TaskRequest
from celery.worker.state import revoked
hostname = socket.gethostname()
@task(rate_limit=200) # for extra info in dump_tasks
def mytask():
pass
class Dispatcher(object):
enabled = None
def __init__(self, *args, **kwargs):
self.sent = []
def enable(self):
self.enabled = True
def disable(self):
self.enabled = False
def send(self, event):
self.sent.append(event)
class Listener(object):
def __init__(self):
self.ready_queue = FastQueue()
self.ready_queue.put(TaskRequest(task_name=mytask.name,
task_id=gen_unique_id(),
args=(2, 2),
kwargs={}))
self.eta_schedule = Timer()
self.event_dispatcher = Dispatcher()
class test_ControlPanel(unittest.TestCase):
def setUp(self):
self.panel = self.create_panel(listener=Listener())
def create_panel(self, **kwargs):
return control.ControlDispatch(hostname=hostname, **kwargs)
def test_disable_events(self):
listener = Listener()
panel = self.create_panel(listener=listener)
listener.event_dispatcher.enabled = True
panel.execute("disable_events")
self.assertEqual(listener.event_dispatcher.enabled, False)
self.assertIn("worker-offline", listener.event_dispatcher.sent)
def test_enable_events(self):
listener = Listener()
panel = self.create_panel(listener=listener)
listener.event_dispatcher.enabled = False
panel.execute("enable_events")
self.assertEqual(listener.event_dispatcher.enabled, True)
self.assertIn("worker-online", listener.event_dispatcher.sent)
def test_dump_tasks(self):
info = "\n".join(self.panel.execute("dump_tasks"))
self.assertIn("mytask", info)
self.assertIn("rate_limit=200", info)
def test_dump_schedule(self):
listener = Listener()
panel = self.create_panel(listener=listener)
self.assertFalse(panel.execute("dump_schedule"))
import operator
listener.eta_schedule.schedule.enter(100, operator.add, (2, 2))
self.assertTrue(panel.execute("dump_schedule"))
def test_dump_reserved(self):
listener = Listener()
panel = self.create_panel(listener=listener)
response = panel.execute("dump_reserved", {"safe": True})
self.assertDictContainsSubset({"name": mytask.name,
"args": (2, 2),
"kwargs": {},
"hostname": socket.gethostname()},
response[0])
listener.ready_queue = FastQueue()
self.assertFalse(panel.execute("dump_reserved"))
def test_rate_limit_when_disabled(self):
conf.DISABLE_RATE_LIMITS = True
try:
e = self.panel.execute("rate_limit", kwargs=dict(
task_name=mytask.name, rate_limit="100/m"))
self.assertIn("rate limits disabled", e.get("error"))
finally:
conf.DISABLE_RATE_LIMITS = False
def test_rate_limit_invalid_rate_limit_string(self):
e = self.panel.execute("rate_limit", kwargs=dict(
task_name="tasks.add", rate_limit="x1240301#%!"))
self.assertIn("Invalid rate limit string", e.get("error"))
def test_rate_limit(self):
class Listener(object):
class ReadyQueue(object):
fresh = False
def refresh(self):
self.fresh = True
def __init__(self):
self.ready_queue = self.ReadyQueue()
listener = Listener()
panel = self.create_panel(listener=listener)
task = tasks[PingTask.name]
old_rate_limit = task.rate_limit
try:
panel.execute("rate_limit", kwargs=dict(task_name=task.name,
rate_limit="100/m"))
self.assertEqual(task.rate_limit, "100/m")
self.assertTrue(listener.ready_queue.fresh)
listener.ready_queue.fresh = False
panel.execute("rate_limit", kwargs=dict(task_name=task.name,
rate_limit=0))
self.assertEqual(task.rate_limit, 0)
self.assertTrue(listener.ready_queue.fresh)
finally:
task.rate_limit = old_rate_limit
def test_rate_limit_nonexistant_task(self):
self.panel.execute("rate_limit", kwargs={
"task_name": "xxxx.does.not.exist",
"rate_limit": "1000/s"})
def test_unexposed_command(self):
self.panel.execute("foo", kwargs={})
def test_revoke_with_name(self):
uuid = gen_unique_id()
m = {"command": "revoke",
"destination": hostname,
"task_id": uuid,
"task_name": mytask.name}
self.panel.dispatch_from_message(m)
self.assertIn(uuid, revoked)
def test_revoke_with_name_not_in_registry(self):
uuid = gen_unique_id()
m = {"command": "revoke",
"destination": hostname,
"task_id": uuid,
"task_name": "xxxxxxxxx33333333388888"}
self.panel.dispatch_from_message(m)
self.assertIn(uuid, revoked)
def test_revoke(self):
uuid = gen_unique_id()
m = {"command": "revoke",
"destination": hostname,
"task_id": uuid}
self.panel.dispatch_from_message(m)
self.assertIn(uuid, revoked)
m = {"command": "revoke",
"destination": "does.not.exist",
"task_id": uuid + "xxx"}
self.panel.dispatch_from_message(m)
self.assertNotIn(uuid + "xxx", revoked)
def test_ping(self):
m = {"command": "ping",
"destination": hostname}
r = self.panel.dispatch_from_message(m)
self.assertEqual(r, "pong")
def test_shutdown(self):
m = {"command": "shutdown",
"destination": hostname}
self.assertRaises(SystemExit, self.panel.dispatch_from_message, m)
def test_panel_reply(self):
replies = []
class MockReplyPublisher(object):
def __init__(self, *args, **kwargs):
pass
def send(self, reply, **kwargs):
replies.append(reply)
def close(self):
pass
class _Dispatch(control.ControlDispatch):
ReplyPublisher = MockReplyPublisher
panel = _Dispatch(hostname, listener=Listener())
r = panel.execute("ping", reply_to={"exchange": "x",
"routing_key": "x"})
self.assertEqual(r, "pong")
self.assertDictEqual(replies[0], {panel.hostname: "pong"})