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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 WxScheduler
wx = pytest.importorskip("wx")
def make_app():
app = wx.App()
wx.Frame(None) # We need this for some reason, or the loop won't run
return app
class AppExit(wx.Timer):
def __init__(self, app) -> None:
super().__init__()
self.app = app
def Notify(self):
self.app.ExitMainLoop()
class TestWxScheduler(unittest.TestCase):
def test_wx_schedule_now(self):
scheduler = WxScheduler(wx)
diff = scheduler.now - default_now()
assert abs(diff) < timedelta(milliseconds=1)
def test_wx_schedule_now_units(self):
scheduler = WxScheduler(wx)
diff = scheduler.now
sleep(0.1)
diff = scheduler.now - diff
assert timedelta(milliseconds=80) < diff < timedelta(milliseconds=180)
def test_wx_schedule_action(self):
app = make_app()
exit = AppExit(app)
scheduler = WxScheduler(wx)
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
scheduler.schedule(action)
exit.Start(100, wx.TIMER_ONE_SHOT)
app.MainLoop()
scheduler.cancel_all()
assert ran is True
def test_wx_schedule_action_relative(self):
app = make_app()
exit = AppExit(app)
scheduler = WxScheduler(wx)
starttime = default_now()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = default_now()
scheduler.schedule_relative(0.1, action)
exit.Start(200, wx.TIMER_ONE_SHOT)
app.MainLoop()
scheduler.cancel_all()
assert endtime is not None
diff = endtime - starttime
assert timedelta(milliseconds=80) < diff < timedelta(milliseconds=180)
def test_wx_schedule_action_absolute(self):
app = make_app()
exit = AppExit(app)
scheduler = WxScheduler(wx)
starttime = default_now()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = default_now()
due = scheduler.now + timedelta(milliseconds=100)
scheduler.schedule_absolute(due, action)
exit.Start(200, wx.TIMER_ONE_SHOT)
app.MainLoop()
scheduler.cancel_all()
assert endtime is not None
diff = endtime - starttime
assert timedelta(milliseconds=80) < diff < timedelta(milliseconds=180)
def test_wx_schedule_action_cancel(self):
app = make_app()
exit = AppExit(app)
scheduler = WxScheduler(wx)
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
d = scheduler.schedule_relative(0.1, action)
d.dispose()
exit.Start(200, wx.TIMER_ONE_SHOT)
app.MainLoop()
scheduler.cancel_all()
assert ran is False
def test_wx_schedule_action_periodic(self):
app = make_app()
exit = AppExit(app)
scheduler = WxScheduler(wx)
period = 0.05
counter = 3
def action(state):
nonlocal counter
if state:
counter -= 1
return state - 1
scheduler.schedule_periodic(period, action, counter)
exit.Start(500, wx.TIMER_ONE_SHOT)
app.MainLoop()
scheduler.cancel_all()
assert counter == 0
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