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"""Smoke tests tasks."""
from __future__ import annotations
import os
import sys
from signal import SIGKILL
from time import sleep
import celery.utils
from celery import Task, shared_task, signature
from celery.canvas import Signature
from t.integration.tasks import * # noqa
from t.integration.tasks import replaced_with_me
@shared_task
def noop(*args, **kwargs) -> None:
return celery.utils.noop(*args, **kwargs)
@shared_task
def long_running_task(seconds: float = 1, verbose: bool = False) -> bool:
from celery import current_task
from celery.utils.log import get_task_logger
logger = get_task_logger(current_task.name)
logger.info("Starting long running task")
for i in range(0, int(seconds)):
sleep(1)
if verbose:
logger.info(f"Sleeping: {i}")
logger.info("Finished long running task")
return True
@shared_task(soft_time_limit=3, time_limit=5)
def soft_time_limit_lower_than_time_limit():
sleep(4)
@shared_task(soft_time_limit=5, time_limit=3)
def soft_time_limit_must_exceed_time_limit():
pass
@shared_task(bind=True)
def replace_with_task(self: Task, replace_with: Signature = None):
if replace_with is None:
replace_with = replaced_with_me.s()
return self.replace(signature(replace_with))
@shared_task
def self_termination_sigkill():
"""Forceful termination."""
os.kill(os.getpid(), SIGKILL)
@shared_task
def self_termination_system_exit():
"""Triggers a system exit to simulate a critical stop of the Celery worker."""
sys.exit(1)
@shared_task(time_limit=2)
def self_termination_delay_timeout():
"""Delays the execution to simulate a task timeout."""
sleep(4)
@shared_task
def self_termination_exhaust_memory():
"""Continuously allocates memory to simulate memory exhaustion."""
mem = []
while True:
mem.append(" " * 10**6)
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