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# -*- coding: utf-8 -*-
"""
This file contains all jobs that are used in tests. Each of these test
fixtures has a slighty different characteristics.
"""
from __future__ import (absolute_import, division, print_function,
unicode_literals)
import os
import time
import signal
import sys
from rq import Connection, get_current_job, get_current_connection, Queue
from rq.decorators import job
from rq.compat import PY2, text_type
from rq.worker import HerokuWorker
def say_pid():
return os.getpid()
def say_hello(name=None):
"""A job with a single argument and a return value."""
if name is None:
name = 'Stranger'
return 'Hi there, %s!' % (name,)
def say_hello_unicode(name=None):
"""A job with a single argument and a return value."""
return text_type(say_hello(name)) # noqa
def do_nothing():
"""The best job in the world."""
pass
def div_by_zero(x):
"""Prepare for a division-by-zero exception."""
return x / 0
def some_calculation(x, y, z=1):
"""Some arbitrary calculation with three numbers. Choose z smartly if you
want a division by zero exception.
"""
return x * y / z
def create_file(path):
"""Creates a file at the given path. Actually, leaves evidence that the
job ran."""
with open(path, 'w') as f:
f.write('Just a sentinel.')
def create_file_after_timeout(path, timeout):
time.sleep(timeout)
create_file(path)
def access_self():
assert get_current_connection() is not None
assert get_current_job() is not None
def modify_self(meta):
j = get_current_job()
j.meta.update(meta)
j.save()
def modify_self_and_error(meta):
j = get_current_job()
j.meta.update(meta)
j.save()
return 1 / 0
def echo(*args, **kwargs):
return args, kwargs
class Number(object):
def __init__(self, value):
self.value = value
@classmethod
def divide(cls, x, y):
return x * y
def div(self, y):
return self.value / y
class CallableObject(object):
def __call__(self):
return u"I'm callable"
class UnicodeStringObject(object):
def __repr__(self):
if PY2:
return u'é'.encode('utf-8')
else:
return u'é'
with Connection():
@job(queue='default')
def decorated_job(x, y):
return x + y
def black_hole(job, *exc_info):
# Don't fall through to default behaviour (moving to failed queue)
return False
def add_meta(job, *exc_info):
job.meta = {'foo': 1}
job.save()
return True
def save_key_ttl(key):
# Stores key ttl in meta
job = get_current_job()
ttl = job.connection.ttl(key)
job.meta = {'ttl': ttl}
job.save_meta()
def long_running_job(timeout=10):
time.sleep(timeout)
return 'Done sleeping...'
def run_dummy_heroku_worker(sandbox, _imminent_shutdown_delay):
"""
Run the work horse for a simplified heroku worker where perform_job just
creates two sentinel files 2 seconds apart.
:param sandbox: directory to create files in
:param _imminent_shutdown_delay: delay to use for HerokuWorker
"""
sys.stderr = open(os.path.join(sandbox, 'stderr.log'), 'w')
class TestHerokuWorker(HerokuWorker):
imminent_shutdown_delay = _imminent_shutdown_delay
def perform_job(self, job, queue):
create_file(os.path.join(sandbox, 'started'))
# have to loop here rather than one sleep to avoid holding the GIL
# and preventing signals being received
for i in range(20):
time.sleep(0.1)
create_file(os.path.join(sandbox, 'finished'))
w = TestHerokuWorker(Queue('dummy'))
w.main_work_horse(None, None)
class DummyQueue(object):
pass
def kill_worker(pid, double_kill, interval=0.5):
# wait for the worker to be started over on the main process
time.sleep(interval)
os.kill(pid, signal.SIGTERM)
if double_kill:
# give the worker time to switch signal handler
time.sleep(interval)
os.kill(pid, signal.SIGTERM)
class Serializer(object):
def loads(self): pass
def dumps(self): pass
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