test: ModIO class basics

tests/common/test_modio_class_basics.py

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+# -*- coding: utf-8 -*-
+"""Tests instantiation all local classes."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2024 Sven Sager"
+__license__ = "GPLv2"
+
+import os
+from os.path import join, dirname
+from signal import SIGINT
+from threading import Event
+
+from tests import TestRevPiModIO
+
+
+class TestModioClassBasics(TestRevPiModIO):
+
+    data_dir = dirname(__file__)
+
+    def test_appclass(self):
+        """Test the .app class."""
+        rpi = self.modio()
+        self.assertEqual(rpi.app.language, "en")
+        self.assertEqual(rpi.app.name, "PiCtory")
+        self.assertEqual(rpi.app.version, "1.2.3")
+
+        self.assertEqual(rpi.app.savets.tm_year, 2017)
+        self.assertEqual(rpi.app.savets.tm_hour, 12)
+        del rpi
+
+        # Alte config ohne saveTS
+        with self.assertWarnsRegex(Warning, r"equal device name '.*' in pictory configuration."):
+            rpi = self.modio(configrsc="config_old.rsc")
+        self.assertIsNone(rpi.app.savets)
+        del rpi
+
+        rpi = self.modio(configrsc="config_wrong_tstime.rsc")
+        self.assertEqual(rpi.app.savets.tm_year, 1970)
+        del rpi
+
+    def test_modio_attributes(self):
+        """Test class attributs of RevPiModIO."""
+        rpi = self.modio()
+
+        self.assertEqual(rpi.configrsc, join(self.data_dir, "config.rsc"))
+        self.assertEqual(rpi.cycletime, 20)
+        rpi.cycletime = 60
+        self.assertEqual(rpi.cycletime, 60)
+        with self.assertRaises(ValueError):
+            rpi.cycletime = 4
+        with self.assertRaises(ValueError):
+            rpi.cycletime = 2001
+
+        self.assertEqual(rpi.ioerrors, 0)
+        self.assertIs(type(rpi.length), int)
+        self.assertEqual(rpi.maxioerrors, 0)
+        rpi.maxioerrors = 200
+        self.assertEqual(rpi.maxioerrors, 200)
+        with self.assertRaises(ValueError):
+            rpi.maxioerrors = -5
+        self.assertEqual(rpi.monitoring, False)
+        self.assertEqual(rpi.procimg, self.fh_procimg.name)
+        self.assertEqual(rpi.simulator, False)
+        self.assertIsNone(rpi.resetioerrors())
+
+        # Exitevent
+        with self.assertRaises(RuntimeError):
+            rpi.handlesignalend(False)
+        evt_cleanup = Event()
+
+        def test_cleanup_function():
+            # Test dummy for cleanup function
+            evt_cleanup.set()
+
+        rpi.handlesignalend(test_cleanup_function)
+        os.kill(os.getpid(), SIGINT)
+        self.assertTrue(evt_cleanup.is_set())
+
+    def test_procimg(self):
+        """Test interaction with process image."""
+        rpi = self.modio()
+
+        # Procimg IO alle
+        self.assertIsNone(rpi.setdefaultvalues())
+        self.assertEqual(rpi.writeprocimg(), True)
+        self.assertEqual(rpi.syncoutputs(), True)
+        self.assertEqual(rpi.readprocimg(), True)
+
+        # Procimg IO device
+        self.assertIsNone(rpi.device.virt01.setdefaultvalues())
+        self.assertEqual(rpi.device.virt01.writeprocimg(), True)
+        self.assertEqual(rpi.device.virt01.syncoutputs(), True)
+        self.assertEqual(rpi.device.virt01.readprocimg(), True)