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import unittest
from datetime import timedelta
from time import sleep
import pytest
from reactivex.internal.basic import default_now
from reactivex.scheduler.mainloop import PyGameScheduler
pygame = pytest.importorskip("pygame")
class TestPyGameScheduler(unittest.TestCase):
def test_pygame_schedule_now(self):
scheduler = PyGameScheduler(pygame)
diff = scheduler.now - default_now()
assert abs(diff) < timedelta(milliseconds=1)
def test_pygame_schedule_now_units(self):
scheduler = PyGameScheduler(pygame)
diff = scheduler.now
sleep(0.1)
diff = scheduler.now - diff
assert timedelta(milliseconds=80) < diff < timedelta(milliseconds=180)
def test_pygame_schedule_action(self):
scheduler = PyGameScheduler(pygame)
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
scheduler.schedule(action)
scheduler.run()
assert ran is True
def test_pygame_schedule_action_due_relative(self):
scheduler = PyGameScheduler(pygame)
starttime = default_now()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = default_now()
scheduler.schedule_relative(0.1, action)
scheduler.run()
assert endtime is None
sleep(0.2)
scheduler.run()
assert endtime is not None
diff = endtime - starttime
assert diff > timedelta(milliseconds=180)
def test_pygame_schedule_action_due_absolute(self):
scheduler = PyGameScheduler(pygame)
starttime = default_now()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = default_now()
scheduler.schedule_absolute(starttime + timedelta(seconds=0.1), action)
scheduler.run()
assert endtime is None
sleep(0.2)
scheduler.run()
assert endtime is not None
diff = endtime - starttime
assert diff > timedelta(milliseconds=180)
def test_pygame_schedule_action_cancel(self):
scheduler = PyGameScheduler(pygame)
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
d = scheduler.schedule_relative(0.1, action)
d.dispose()
sleep(0.2)
scheduler.run()
assert ran is False
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