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56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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"""Unit test for miot_ev.py."""
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import os
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import pytest
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# pylint: disable=import-outside-toplevel, disable=unused-argument
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@pytest.mark.github
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def test_mev_timer_and_fd():
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from miot.miot_ev import MIoTEventLoop, TimeoutHandle
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mev = MIoTEventLoop()
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assert mev
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event_fd: os.eventfd = os.eventfd(0, os.O_NONBLOCK)
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assert event_fd
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timer4: TimeoutHandle = None
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def event_handler(event_fd):
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value: int = os.eventfd_read(event_fd)
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if value == 1:
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mev.clear_timeout(timer4)
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print('cancel timer4')
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elif value == 2:
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print('event write twice in a row')
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elif value == 3:
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mev.set_read_handler(event_fd, None, None)
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os.close(event_fd)
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event_fd = None
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print('close event fd')
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def timer1_handler(event_fd):
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os.eventfd_write(event_fd, 1)
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def timer2_handler(event_fd):
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os.eventfd_write(event_fd, 1)
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os.eventfd_write(event_fd, 1)
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def timer3_handler(event_fd):
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os.eventfd_write(event_fd, 3)
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def timer4_handler(event_fd):
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raise ValueError('unreachable code')
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mev.set_read_handler(
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event_fd, event_handler, event_fd)
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mev.set_timeout(500, timer1_handler, event_fd)
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mev.set_timeout(1000, timer2_handler, event_fd)
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mev.set_timeout(1500, timer3_handler, event_fd)
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timer4 = mev.set_timeout(2000, timer4_handler, event_fd)
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mev.loop_forever()
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# Loop will exit when there are no timers or fd handlers.
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mev.loop_stop()
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