def test_create(self):
fixed_dt = timezone.now() + timedelta(seconds=10)
schedule = TaskSchedule.create({'run_at': fixed_dt})
self.assertEqual(schedule.run_at, fixed_dt)
self.assertEqual(0, schedule.priority)
self.assertEqual(TaskSchedule.SCHEDULE, schedule.action)
schedule = {'run_at': fixed_dt, 'priority': 2,
'action': TaskSchedule.RESCHEDULE_EXISTING}
schedule = TaskSchedule.create(schedule)
self.assertEqual(schedule.run_at, fixed_dt)
self.assertEqual(2, schedule.priority)
self.assertEqual(TaskSchedule.RESCHEDULE_EXISTING, schedule.action)
schedule = TaskSchedule.create(0)
self._within_one_second(schedule.run_at, timezone.now())
schedule = TaskSchedule.create(10)
self._within_one_second(schedule.run_at,
timezone.now() + timedelta(seconds=10))
schedule = TaskSchedule.create(TaskSchedule(run_at=fixed_dt))
self.assertEqual(schedule.run_at, fixed_dt)
self.assertEqual(0, schedule.priority)
self.assertEqual(TaskSchedule.SCHEDULE, schedule.action)
class TestTaskSchedule(unittest.TestCase):
def test_priority(self): self.assertEqual(0, TaskSchedule().priority) self.assertEqual(0, TaskSchedule(priority=0).priority) self.assertEqual(1, TaskSchedule(priority=1).priority) self.assertEqual(2, TaskSchedule(priority=2).priority)
def _within_one_second(self, d1, d2): self.failUnless(isinstance(d1, datetime)) self.failUnless(isinstance(d2, datetime)) self.failUnless(abs(d1 - d2) <= timedelta(seconds=1))
def test_run_at(self): for schedule in [None, 0, timedelta(seconds=0)]: now = datetime_now() run_at = TaskSchedule(run_at=schedule).run_at self._within_one_second(run_at, now)
now = datetime_now() run_at = TaskSchedule(run_at=now).run_at self._within_one_second(run_at, now)
fixed_dt = datetime_now() + timedelta(seconds=60) run_at = TaskSchedule(run_at=fixed_dt).run_at self._within_one_second(run_at, fixed_dt)
run_at = TaskSchedule(run_at=90).run_at self._within_one_second(run_at, datetime_now() + timedelta(seconds=90))
run_at = TaskSchedule(run_at=timedelta(seconds=35)).run_at self._within_one_second(run_at, datetime_now() + timedelta(seconds=35))
def test_run_at(self):
for schedule in [None, 0, timedelta(seconds=0)]:
now = timezone.now()
run_at = TaskSchedule(run_at=schedule).run_at
self._within_one_second(run_at, now)
now = timezone.now()
run_at = TaskSchedule(run_at=now).run_at
self._within_one_second(run_at, now)
fixed_dt = timezone.now() + timedelta(seconds=60)
run_at = TaskSchedule(run_at=fixed_dt).run_at
self._within_one_second(run_at, fixed_dt)
run_at = TaskSchedule(run_at=90).run_at
self._within_one_second(run_at, timezone.now() + timedelta(seconds=90))
run_at = TaskSchedule(run_at=timedelta(seconds=35)).run_at
self._within_one_second(run_at, timezone.now() + timedelta(seconds=35))
def test_create(self):
fixed_dt = timezone.now() + timedelta(seconds=10)
schedule = TaskSchedule.create({'run_at': fixed_dt})
self.assertEqual(schedule.run_at, fixed_dt)
self.assertEqual(0, schedule.priority)
self.assertEqual(TaskSchedule.SCHEDULE, schedule.action)
schedule = {
'run_at': fixed_dt,
'priority': 2,
'action': TaskSchedule.RESCHEDULE_EXISTING
}
schedule = TaskSchedule.create(schedule)
self.assertEqual(schedule.run_at, fixed_dt)
self.assertEqual(2, schedule.priority)
self.assertEqual(TaskSchedule.RESCHEDULE_EXISTING, schedule.action)
schedule = TaskSchedule.create(0)
self._within_one_second(schedule.run_at, timezone.now())
schedule = TaskSchedule.create(10)
self._within_one_second(schedule.run_at,
timezone.now() + timedelta(seconds=10))
schedule = TaskSchedule.create(TaskSchedule(run_at=fixed_dt))
self.assertEqual(schedule.run_at, fixed_dt)
self.assertEqual(0, schedule.priority)
self.assertEqual(TaskSchedule.SCHEDULE, schedule.action)
def test_merge(self):
default = TaskSchedule(run_at=10, priority=2,
action=TaskSchedule.RESCHEDULE_EXISTING)
schedule = TaskSchedule.create(20).merge(default)
self._within_one_second(timezone.now() + timedelta(seconds=20),
schedule.run_at)
self.assertEqual(2, schedule.priority)
self.assertEqual(TaskSchedule.RESCHEDULE_EXISTING, schedule.action)
schedule = TaskSchedule.create({'priority': 0}).merge(default)
self._within_one_second(timezone.now() + timedelta(seconds=10),
schedule.run_at)
self.assertEqual(0, schedule.priority)
self.assertEqual(TaskSchedule.RESCHEDULE_EXISTING, schedule.action)
action = TaskSchedule.CHECK_EXISTING
schedule = TaskSchedule.create({'action': action}).merge(default)
self._within_one_second(timezone.now() + timedelta(seconds=10),
schedule.run_at)
self.assertEqual(2, schedule.priority)
self.assertEqual(action, schedule.action)
def test_merge(self):
default = TaskSchedule(run_at=10, priority=2,
action=TaskSchedule.RESCHEDULE_EXISTING)
schedule = TaskSchedule.create(20).merge(default)
self._within_one_second(timezone.now() + timedelta(seconds=20),
schedule.run_at)
self.assertEqual(2, schedule.priority)
self.assertEqual(TaskSchedule.RESCHEDULE_EXISTING, schedule.action)
schedule = TaskSchedule.create({'priority': 0}).merge(default)
self._within_one_second(timezone.now() + timedelta(seconds=10),
schedule.run_at)
self.assertEqual(0, schedule.priority)
self.assertEqual(TaskSchedule.RESCHEDULE_EXISTING, schedule.action)
action = TaskSchedule.CHECK_EXISTING
schedule = TaskSchedule.create({'action': action}).merge(default)
self._within_one_second(timezone.now() + timedelta(seconds=10),
schedule.run_at)
self.assertEqual(2, schedule.priority)
self.assertEqual(action, schedule.action)
def test_check_existing(self):
check_existing = TaskSchedule.CHECK_EXISTING
@tasks.background(name='test_check_existing',
schedule=TaskSchedule(action=check_existing))
def check_fn():
pass
# this should only end up with the first call
# scheduled
check_fn()
check_fn(schedule=90)
all_tasks = Task.objects.all()
self.assertEqual(1, all_tasks.count())
task = all_tasks[0]
self.assertEqual('test_check_existing', task.task_name)
# check new task is scheduled for the earlier time
now = timezone.now()
self.failUnless(now - timedelta(seconds=1) < task.run_at)
self.failUnless(now + timedelta(seconds=1) > task.run_at)
def test_reschedule_existing(self):
reschedule_existing = TaskSchedule.RESCHEDULE_EXISTING
@tasks.background(name='test_reschedule_existing',
schedule=TaskSchedule(action=reschedule_existing))
def reschedule_fn():
pass
# this should only end up with one task
# and it should be scheduled for the later time
reschedule_fn()
reschedule_fn(schedule=90)
all_tasks = Task.objects.all()
self.assertEqual(1, all_tasks.count())
task = all_tasks[0]
self.assertEqual('test_reschedule_existing', task.task_name)
# check task is scheduled for later on
now = timezone.now()
self.failUnless(now + timedelta(seconds=89) < task.run_at)
self.failUnless(now + timedelta(seconds=91) > task.run_at)
def test_schedule(self):
proxy = tasks.background(schedule=10)(empty_task)
self.assertEqual(TaskSchedule(run_at=10), proxy.schedule)
def test_default_schedule(self):
proxy = tasks.background()(empty_task)
self.assertEqual(TaskSchedule(), proxy.schedule)
def test_repr(self):
self.assertEqual('TaskSchedule(run_at=10, priority=0)',
repr(TaskSchedule(run_at=10, priority=0)))
def test_priority(self):
self.assertEqual(0, TaskSchedule().priority)
self.assertEqual(0, TaskSchedule(priority=0).priority)
self.assertEqual(1, TaskSchedule(priority=1).priority)
self.assertEqual(2, TaskSchedule(priority=2).priority)
def test_repr(self): self.assertEqual('TaskSchedule(run_at=10, priority=0)', repr(TaskSchedule(run_at=10, priority=0)))
class TestSchedulingTasks(TransactionTestCase):
def test_merge(self): default = TaskSchedule(run_at=10, priority=2, action=TaskSchedule.RESCHEDULE_EXISTING) schedule = TaskSchedule.create(20).merge(default)
from datetime import timedelta, datetime
from background_task.tasks import tasks, TaskSchedule, TaskProxyfrom background_task.models import Task, datetime_nowfrom background_task import background
_recorded = []
def empty_task(): pass
def record_task(*arg, **kw): _recorded.append((arg, kw))
class TestBackgroundDecorator(unittest.TestCase):
def test_get_proxy(self): proxy = tasks.background()(empty_task) self.assertNotEqual(proxy, empty_task) self.assertTrue(isinstance(proxy, TaskProxy)) # and alternate form proxy = tasks.background(empty_task) self.assertNotEqual(proxy, empty_task) self.assertTrue(isinstance(proxy, TaskProxy))
def test_default_name(self): proxy = tasks.background()(empty_task) self.assertEqual(proxy.name, 'background_task.tests.empty_task')
proxy = tasks.background()(record_task) self.assertEqual(proxy.name, 'background_task.tests.record_task') proxy = tasks.background(empty_task) #print proxy self.assertTrue(isinstance(proxy, TaskProxy)) self.assertEqual(proxy.name, 'background_task.tests.empty_task')
def test_specified_name(self): proxy = tasks.background(name='mytask')(empty_task) self.assertEqual(proxy.name, 'mytask')
def test_task_function(self): proxy = tasks.background()(empty_task) self.assertEqual(proxy.task_function, empty_task)
proxy = tasks.background()(record_task) self.assertEqual(proxy.task_function, record_task)
def test_default_schedule(self): proxy = tasks.background()(empty_task) self.assertEqual(TaskSchedule(), proxy.schedule)
def test_schedule(self): proxy = tasks.background(schedule=10)(empty_task) self.assertEqual(TaskSchedule(run_at=10), proxy.schedule)
def test__unicode__(self): proxy = tasks.background()(empty_task) self.assertEqual(u'TaskProxy(background_task.tests.empty_task)', unicode(proxy)) def test_shortcut(self): '''check shortcut to decorator works''' proxy = background()(empty_task) self.failIfEqual(proxy, empty_task) self.assertEqual(proxy.task_function, empty_task)
class TestTaskProxy(unittest.TestCase):
def setUp(self): super(TestTaskProxy, self).setUp() self.proxy = tasks.background()(record_task)
def test_run_task(self): tasks.run_task(self.proxy.name, [], {}) self.assertEqual(((), {}), _recorded.pop())
tasks.run_task(self.proxy.name, ['hi'], {}) self.assertEqual((('hi',), {}), _recorded.pop())
tasks.run_task(self.proxy.name, [], {'kw': 1}) self.assertEqual(((), {'kw': 1}), _recorded.pop())
class TestTaskSchedule(unittest.TestCase):
def test_priority(self): self.assertEqual(0, TaskSchedule().priority) self.assertEqual(0, TaskSchedule(priority=0).priority) self.assertEqual(1, TaskSchedule(priority=1).priority) self.assertEqual(2, TaskSchedule(priority=2).priority)
def _within_one_second(self, d1, d2): self.failUnless(isinstance(d1, datetime)) self.failUnless(isinstance(d2, datetime)) self.failUnless(abs(d1 - d2) <= timedelta(seconds=1))
def test_run_at(self): for schedule in [None, 0, timedelta(seconds=0)]: now = datetime_now() run_at = TaskSchedule(run_at=schedule).run_at self._within_one_second(run_at, now)
now = datetime_now() run_at = TaskSchedule(run_at=now).run_at self._within_one_second(run_at, now)
fixed_dt = datetime_now() + timedelta(seconds=60) run_at = TaskSchedule(run_at=fixed_dt).run_at self._within_one_second(run_at, fixed_dt)
