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from __future__ import annotations
from datetime import datetime, timezone
from unittest.mock import Mock, patch
import pytest
from kombu.asynchronous.timer import Entry, Timer, to_timestamp
class test_to_timestamp:
def test_timestamp(self):
assert to_timestamp(3.13) == 3.13
def test_datetime(self):
assert to_timestamp(datetime.now(timezone.utc))
class test_Entry:
def test_call(self):
fun = Mock(name='fun')
tref = Entry(fun, (4, 4), {'moo': 'baz'})
tref()
fun.assert_called_with(4, 4, moo='baz')
def test_cancel(self):
tref = Entry(lambda x: x, (1,), {})
assert not tref.canceled
assert not tref.cancelled
tref.cancel()
assert tref.canceled
assert tref.cancelled
def test_repr(self):
tref = Entry(lambda x: x(1,), {})
assert repr(tref)
def test_hash(self):
assert hash(Entry(lambda: None))
def test_ordering(self):
# we don't care about results, just that it's possible
Entry(lambda x: 1) < Entry(lambda x: 2)
Entry(lambda x: 1) > Entry(lambda x: 2)
Entry(lambda x: 1) >= Entry(lambda x: 2)
Entry(lambda x: 1) <= Entry(lambda x: 2)
def test_eq(self):
x = Entry(lambda x: 1)
y = Entry(lambda x: 1)
assert x == x
assert x != y
class test_Timer:
def test_enter_exit(self):
x = Timer()
x.stop = Mock(name='timer.stop')
with x:
pass
x.stop.assert_called_with()
def test_supports_Timer_interface(self):
x = Timer()
x.stop()
tref = Mock()
x.cancel(tref)
tref.cancel.assert_called_with()
assert x.schedule is x
def test_handle_error(self):
from datetime import datetime
on_error = Mock(name='on_error')
s = Timer(on_error=on_error)
with patch('kombu.asynchronous.timer.to_timestamp') as tot:
tot.side_effect = OverflowError()
s.enter_at(Entry(lambda: None, (), {}),
eta=datetime.now())
s.enter_at(Entry(lambda: None, (), {}), eta=None)
s.on_error = None
with pytest.raises(OverflowError):
s.enter_at(Entry(lambda: None, (), {}),
eta=datetime.now())
on_error.assert_called_once()
exc = on_error.call_args[0][0]
assert isinstance(exc, OverflowError)
def test_call_repeatedly(self):
t = Timer()
try:
t.schedule.enter_after = Mock()
myfun = Mock()
myfun.__name__ = 'myfun'
t.call_repeatedly(0.03, myfun)
assert t.schedule.enter_after.call_count == 1
args1, _ = t.schedule.enter_after.call_args_list[0]
sec1, tref1, _ = args1
assert sec1 == 0.03
tref1()
assert t.schedule.enter_after.call_count == 2
args2, _ = t.schedule.enter_after.call_args_list[1]
sec2, tref2, _ = args2
assert sec2 == 0.03
tref2.canceled = True
tref2()
assert t.schedule.enter_after.call_count == 2
finally:
t.stop()
@patch('kombu.asynchronous.timer.logger')
def test_apply_entry_error_handled(self, logger):
t = Timer()
t.schedule.on_error = None
fun = Mock()
fun.side_effect = ValueError()
t.schedule.apply_entry(fun)
logger.error.assert_called()
def test_apply_entry_error_not_handled(self, stdouts):
t = Timer()
t.schedule.on_error = Mock()
fun = Mock()
fun.side_effect = ValueError()
t.schedule.apply_entry(fun)
fun.assert_called_with()
assert not stdouts.stderr.getvalue()
def test_enter_after(self):
t = Timer()
t._enter = Mock()
fun = Mock(name='fun')
time = Mock(name='time')
time.return_value = 10
t.enter_after(10, fun, time=time)
time.assert_called_with()
t._enter.assert_called_with(20, 0, fun)
def test_cancel(self):
t = Timer()
tref = Mock()
t.cancel(tref)
tref.cancel.assert_called_with()
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