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from __future__ import absolute_import
import sys
import time
import celery.utils.timer2 as timer2
from celery.tests.case import Case, Mock, patch
from kombu.tests.case import redirect_stdouts
class test_Entry(Case):
def test_call(self):
scratch = [None]
def timed(x, y, moo='foo'):
scratch[0] = (x, y, moo)
tref = timer2.Entry(timed, (4, 4), {'moo': 'baz'})
tref()
self.assertTupleEqual(scratch[0], (4, 4, 'baz'))
def test_cancel(self):
tref = timer2.Entry(lambda x: x, (1, ), {})
tref.cancel()
self.assertTrue(tref.cancelled)
def test_repr(self):
tref = timer2.Entry(lambda x: x(1, ), {})
self.assertTrue(repr(tref))
class test_Schedule(Case):
def test_supports_Timer_interface(self):
x = timer2.Schedule()
x.stop()
tref = Mock()
x.cancel(tref)
tref.cancel.assert_called_with()
self.assertIs(x.schedule, x)
def test_handle_error(self):
from datetime import datetime
scratch = [None]
def on_error(exc_info):
scratch[0] = exc_info
s = timer2.Schedule(on_error=on_error)
with patch('kombu.async.timer.to_timestamp') as tot:
tot.side_effect = OverflowError()
s.enter_at(timer2.Entry(lambda: None, (), {}),
eta=datetime.now())
s.enter_at(timer2.Entry(lambda: None, (), {}), eta=None)
s.on_error = None
with self.assertRaises(OverflowError):
s.enter_at(timer2.Entry(lambda: None, (), {}),
eta=datetime.now())
exc = scratch[0]
self.assertIsInstance(exc, OverflowError)
class test_Timer(Case):
def test_enter_after(self):
t = timer2.Timer()
try:
done = [False]
def set_done():
done[0] = True
t.call_after(0.3, set_done)
mss = 0
while not done[0]:
if mss >= 2.0:
raise Exception('test timed out')
time.sleep(0.1)
mss += 0.1
finally:
t.stop()
def test_exit_after(self):
t = timer2.Timer()
t.call_after = Mock()
t.exit_after(0.3, priority=10)
t.call_after.assert_called_with(0.3, sys.exit, 10)
def test_ensure_started_not_started(self):
t = timer2.Timer()
t.running = True
t.start = Mock()
t.ensure_started()
self.assertFalse(t.start.called)
def test_call_repeatedly(self):
t = timer2.Timer()
try:
t.schedule.enter_after = Mock()
myfun = Mock()
myfun.__name__ = 'myfun'
t.call_repeatedly(0.03, myfun)
self.assertEqual(t.schedule.enter_after.call_count, 1)
args1, _ = t.schedule.enter_after.call_args_list[0]
sec1, tref1, _ = args1
self.assertEqual(sec1, 0.03)
tref1()
self.assertEqual(t.schedule.enter_after.call_count, 2)
args2, _ = t.schedule.enter_after.call_args_list[1]
sec2, tref2, _ = args2
self.assertEqual(sec2, 0.03)
tref2.cancelled = True
tref2()
self.assertEqual(t.schedule.enter_after.call_count, 2)
finally:
t.stop()
@patch('kombu.async.timer.logger')
def test_apply_entry_error_handled(self, logger):
t = timer2.Timer()
t.schedule.on_error = None
fun = Mock()
fun.side_effect = ValueError()
t.schedule.apply_entry(fun)
self.assertTrue(logger.error.called)
@redirect_stdouts
def test_apply_entry_error_not_handled(self, stdout, stderr):
t = timer2.Timer()
t.schedule.on_error = Mock()
fun = Mock()
fun.side_effect = ValueError()
t.schedule.apply_entry(fun)
fun.assert_called_with()
self.assertFalse(stderr.getvalue())
@patch('os._exit')
def test_thread_crash(self, _exit):
t = timer2.Timer()
t._next_entry = Mock()
t._next_entry.side_effect = OSError(131)
t.run()
_exit.assert_called_with(1)
def test_gc_race_lost(self):
t = timer2.Timer()
t._is_stopped.set = Mock()
t._is_stopped.set.side_effect = TypeError()
t._is_shutdown.set()
t.run()
t._is_stopped.set.assert_called_with()
def test_to_timestamp(self):
self.assertIs(timer2.to_timestamp(3.13), 3.13)
def test_test_enter(self):
t = timer2.Timer()
t._do_enter = Mock()
e = Mock()
t.enter(e, 13, 0)
t._do_enter.assert_called_with('enter_at', e, 13, priority=0)
def test_test_enter_after(self):
t = timer2.Timer()
t._do_enter = Mock()
t.enter_after()
t._do_enter.assert_called_with('enter_after')
def test_cancel(self):
t = timer2.Timer()
tref = Mock()
t.cancel(tref)
tref.cancel.assert_called_with()