test: Cycle loop functions

tests/cycleloop/config.rsc

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tests/cycleloop/test_cycleloop.py

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+# -*- coding: utf-8 -*-
+"""Test cycle loop functions."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2024 Sven Sager"
+__license__ = "GPLv2"
+
+from os.path import dirname, join
+from time import sleep
+
+import revpimodio2
+from tests import TestRevPiModIO
+from tests.helper import ExitThread
+
+event_data = (None, None)
+
+
+def xxx(name, value):
+    """Test event function."""
+    global event_data
+    event_data = (name, value)
+
+
+def xxx_thread(th):
+    """Test event function with thread."""
+    global event_data
+    event_data = (th.ioname, th.iovalue)
+    th.stop()
+
+
+def xxx_timeout(name, value):
+    """Test event with long timeout."""
+    sleep(0.1)
+
+
+class TestCycleloop(TestRevPiModIO):
+
+    data_dir = dirname(__file__)
+
+    def setUp(self):
+        global event_data
+        event_data = (None, None)
+        super().setUp()
+
+    def test_cycleloop(self):
+        """Testet Cycleloop-Funktion."""
+        rpi = self.modio()
+        with self.assertRaises(RuntimeError):
+            rpi.cycleloop(zyklus, 51)
+
+        rpi.autorefresh_all()
+        with self.assertRaises(RuntimeError):
+            rpi.cycleloop(False, 51)
+        rpi.cycleloop(zyklus, 51)
+
+        with self.assertRaises(TypeError):
+            rpi.cycleloop(lambda: None)
+
+        rpi.exit()
+
+        rpi.autorefresh_all()
+        sleep(0.1)
+        rpi._imgwriter.stop()
+        sleep(0.1)
+        with self.assertRaisesRegex(RuntimeError, r"autorefresh thread not running"):
+            rpi.cycleloop(zyklus)
+
+        rpi.exit()
+
+    def test_cycleloop_longtime(self):
+        """Testet no data."""
+        rpi = self.modio(autorefresh=True)
+        rpi.debug = -1
+        rpi._imgwriter.lck_refresh.acquire()
+        th_ende = ExitThread(rpi, 4)
+        th_ende.start()
+
+        with self.assertWarnsRegex(
+            RuntimeWarning, r"no new io data in cycle loop for 2500 milliseconds"
+        ):
+            rpi.cycleloop(zyklus)
+
+        rpi.exit()
+
+    def test_cycletools(self):
+        rpi = self.modio()
+        ct = revpimodio2.Cycletools(50, rpi)
+        with self.assertRaises(TypeError):
+            ct.changed("bad_value")
+        with self.assertRaises(ValueError):
+            ct.changed(rpi.io.magazin1, edge=revpimodio2._internal.RISING)
+        del rpi
+
+    def test_run_plc(self):
+        self.assertEqual(
+            revpimodio2.run_plc(
+                zyklus,
+                cycletime=30,
+                procimg=self.fh_procimg.name,
+                configrsc=join(self.data_dir, "config.rsc"),
+            ),
+            1,
+        )
+
+
+def zyklus(ct):
+    """Cycle program for testing the cycle loop."""
+    if ct.flag10c:
+        ct.set_ton("test", 100)
+        ct.set_tof("test", 100)
+        ct.set_tp("test", 100)
+        ct.set_tonc("testc", 3)
+        ct.set_tofc("testc", 3)
+        ct.set_tpc("testc", 3)
+
+    ct.get_ton("test")
+    ct.get_tof("test")
+    ct.get_tp("test")
+    ct.get_tonc("testc")
+    ct.get_tofc("testc")
+    ct.get_tpc("testc")
+
+    t = ct.runtime
+
+    # Check change
+    ct.changed(ct.io.v_druck, edge=revpimodio2._internal.RISING)
+    ct.changed(ct.io.magazin1)
+
+    if ct.flag20c:
+        return 1