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test: Test mainloop functions
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# -*- coding: utf-8 -*-
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"""Test mainloop functions."""
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__author__ = "Sven Sager"
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__copyright__ = "Copyright (C) 2024 Sven Sager"
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__license__ = "GPLv2"
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from os.path import dirname
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from time import sleep
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import revpimodio2
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from tests import TestRevPiModIO
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from tests.helper import ExitThread, ChangeThread
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event_data = (None, None)
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def xxx(name, value):
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"""Test event function."""
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global event_data
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event_data = (name, value)
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def xxx_thread(th):
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"""Test event function with thread."""
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global event_data
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event_data = (th.ioname, th.iovalue)
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th.stop()
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def xxx_timeout(name, value):
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"""Test event with long timeout."""
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sleep(0.1)
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class TestMainloop(TestRevPiModIO):
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data_dir = dirname(__file__)
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def setUp(self):
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global event_data
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event_data = (None, None)
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super().setUp()
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def test_mainloop(self):
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"""Test basic mainloop functions."""
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rpi = self.modio(debug=False)
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with self.assertRaises(RuntimeError):
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# Auto refresh not running
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rpi.mainloop()
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# Too long refresh time
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with self.assertRaises(ValueError):
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rpi._imgwriter.refresh = 4
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# Create events
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rpi.io.meldung0_7.reg_event(xxx)
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rpi.io.meldung8_15.reg_event(xxx_thread, as_thread=True)
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# Start mainloop
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rpi.autorefresh_all()
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rpi.mainloop(blocking=False)
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sleep(0.1)
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rpi.io.meldung0_7.value = 100
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sleep(0.06)
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self.assertEqual(event_data, ("meldung0_7", 100))
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rpi.io.meldung8_15.value = 200
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sleep(0.06)
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self.assertEqual(event_data, ("meldung8_15", 200))
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self.assertEqual(rpi.ioerrors, 0)
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rpi.exit()
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rpi.setdefaultvalues()
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sleep(0.05)
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# Remember old IO before replacing things for tests
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io_old = rpi.io.meldung0_7
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self.assertTrue(io_old in io_old._parentdevice._dict_events)
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self.assertTrue(io_old in rpi.device.virt01)
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rpi.io.meldung0_7.replace_io("test1", "?", event=xxx)
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rpi.io.meldung0_7.replace_io("test2", "?", bit=1, event=xxx)
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rpi.io.meldung0_7.replace_io("test3", "?", bit=2)
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rpi.io.meldung0_7.replace_io("test4", "?", bit=3, event=xxx, delay=300)
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rpi.io.meldung0_7.replace_io("test5", "?", bit=4, event=xxx_thread, as_thread=True)
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rpi.io.meldung0_7.replace_io(
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"test6", "?", bit=5, event=xxx_thread, as_thread=True, delay=200
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)
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rpi.io.magazin1.reg_timerevent(xxx, 200)
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rpi.io.test3.reg_timerevent(xxx, 200, edge=revpimodio2._internal.RISING)
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self.assertFalse(io_old in io_old._parentdevice._dict_events)
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self.assertFalse(io_old in rpi.device.virt01)
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rpi.autorefresh_all()
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rpi.mainloop(blocking=False)
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sleep(0.1)
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# Direct events
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rpi.io.test1.value = True
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sleep(0.06)
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self.assertEqual(event_data, ("test1", True))
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rpi.io.test2.value = True
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sleep(0.06)
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self.assertEqual(event_data, ("test2", True))
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# Timer events
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rpi.io.test3.value = True
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sleep(0.1)
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self.assertEqual(event_data, ("test2", True))
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rpi.io.test3.value = False
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sleep(0.15)
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self.assertEqual(event_data, ("test3", True))
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rpi.io.magazin1.value = 1
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rpi.io.test4.value = True
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sleep(0.1)
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self.assertEqual(event_data, ("test3", True))
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rpi.io.test4.value = False
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sleep(0.15)
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self.assertEqual(event_data, ("magazin1", 1))
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rpi.io.test4.value = True
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sleep(1)
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self.assertEqual(event_data, ("test4", True))
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rpi.io.test5.value = True
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rpi.io.test6.value = True
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sleep(0.1)
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self.assertEqual(event_data, ("test5", True))
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sleep(0.15)
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self.assertEqual(event_data, ("test6", True))
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self.assertFalse(rpi.exitsignal.is_set())
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rpi.exit(full=False)
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self.assertTrue(rpi.exitsignal.is_set())
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rpi.io.test1.unreg_event()
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rpi.io.test1.reg_event(xxx_timeout)
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sleep(0.3)
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# Exceed cylcle time in main loop
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with self.assertWarnsRegex(RuntimeWarning, r"io refresh time of 0 ms exceeded!"):
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rpi._imgwriter._refresh = 0.0001
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sleep(0.1)
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rpi.exit()
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del rpi
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def test_mainloop_bad_things(self):
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"""Tests incorrect use of the mainloop."""
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rpi = self.modio(autorefresh=True)
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with self.assertRaises(TypeError):
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rpi._imgwriter._collect_events(1)
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# Bad event function without needed arguments
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rpi.io.meldung0_7.replace_io("test5", "?", bit=4, event=lambda: None)
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th = ChangeThread(rpi, "test5", True, 0.3)
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th.start()
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with self.assertRaises(TypeError):
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rpi.mainloop()
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sleep(0.1)
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rpi.io.meldung0_7.replace_io("test1", "?", event=xxx_timeout)
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th_ende = ExitThread(rpi, 1)
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th = ChangeThread(rpi, "test1", True, 0.3)
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th_ende.start()
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th.start()
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with self.assertWarnsRegex(
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RuntimeWarning, r"can not execute all event functions in one cycle"
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):
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rpi.mainloop()
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rpi.autorefresh_all()
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rpi.mainloop(blocking=False)
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# Change cycletime while running a loop
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with self.assertRaisesRegex(
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RuntimeError, r"can not change cycletime when cycleloop or mainloop is"
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):
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rpi.cycletime = 60
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# Start second loop
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with self.assertRaisesRegex(RuntimeError, r"can not start multiple loops mainloop"):
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rpi.cycleloop(lambda x: None)
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rpi.exit()
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# Test imgwriter monitoring
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rpi.autorefresh_all()
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sleep(0.2)
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rpi._imgwriter.stop()
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sleep(0.1)
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with self.assertRaisesRegex(RuntimeError, r"autorefresh thread not running"):
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rpi.mainloop()
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rpi.exit()
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def test_prefire(self):
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"""Test reg_event with prefire parameter."""
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rpi = self.modio(autorefresh=True)
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rpi.io.fu_lahm.reg_event(xxx, prefire=True)
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self.assertFalse(rpi.io.fu_lahm.value)
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rpi.mainloop(blocking=False)
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sleep(0.1)
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# Registration without prefire is allowed while running mainloop
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rpi.io.fu_schnell.reg_event(xxx)
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with self.assertRaises(RuntimeError):
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# Registration with prefire ist not allowed while running mainloop
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rpi.io.Counter_1.reg_event(xxx, prefire=True)
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self.assertEqual(event_data, ("fu_lahm", False))
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rpi.cleanup()
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rpi = self.modio(autorefresh=True)
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rpi.io.Input_32.reg_event(xxx_thread, as_thread=True, prefire=True)
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rpi.mainloop(blocking=False)
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sleep(0.1)
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self.assertEqual(event_data, ("Input_32", False))
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rpi.cleanup()
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