test_ticks.py

from typing import List
from i3ipc.events import TickEvent
from ipctest import IpcTest


class TestTicks(IpcTest):
    events: List[TickEvent] = []

    def on_tick(self, i3, e: TickEvent):
        self.events.append(e)
        if len(self.events) == 3:
            i3.main_quit()

    def test_tick_event(self, i3):
        i3.on('tick', self.on_tick)
        i3._event_socket_setup()
        i3.send_tick()
        i3.send_tick('hello world')
        while not i3._event_socket_poll():
            pass
        i3._event_socket_teardown()

        assert len(self.events) == 3
        assert self.events[0].first
        assert self.events[0].payload == ''
        assert not self.events[1].first
        assert self.events[1].payload == ''
        assert not self.events[2].first
        assert self.events[2].payload == 'hello world'