test: Basic IO functions

tests/io_tests/test_io_functions.py

@@ -0,0 +1,97 @@
+# -*- coding: utf-8 -*-
+"""Tests instantiation all local classes."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2024 Sven Sager"
+__license__ = "GPLv2"
+
+from os.path import dirname
+
+from revpimodio2 import OUT
+from tests import TestRevPiModIO
+
+
+class TestIoFunctions(TestRevPiModIO):
+    data_dir = dirname(__file__)
+
+    def test_io_base(self):
+        """Test io attributes."""
+        rpi = self.modio()
+
+        # Transformations
+        self.assertEqual(rpi.io.v_druck.address, 307)
+        with self.assertRaises(AttributeError):
+            rpi.io.v_druck.address = 10
+        self.assertEqual(rpi.io.v_druck.byteorder, "little")
+        with self.assertRaises(AttributeError):
+            rpi.io.v_druck.byteorder = "big"
+        self.assertIsInstance(rpi.io.v_druck.defaultvalue, bool)
+        self.assertEqual(rpi.io.v_druck.defaultvalue, 0)
+        with self.assertRaises(AttributeError):
+            rpi.io.v_druck.defaultvalue = 255
+        self.assertEqual(rpi.io.v_druck.length, 0)
+        with self.assertRaises(AttributeError):
+            rpi.io.v_druck.length = 2
+        self.assertEqual(rpi.io.v_druck.name, "v_druck")
+        with self.assertRaises(AttributeError):
+            rpi.io.v_druck.name = "test"
+        self.assertEqual(rpi.io.v_druck.type, OUT)
+        with self.assertRaises(AttributeError):
+            rpi.io.v_druck.type = 399
+        self.assertFalse(rpi.io.v_druck.value)
+
+        self.assertFalse(rpi.io.v_druck._read_only_io)
+        self.assertTrue(rpi.io.t_stop._read_only_io)
+
+        rpi.io.v_druck(True)
+        self.assertTrue(rpi.io.v_druck.value)
+        rpi.io.v_druck.value = False
+        self.assertFalse(rpi.io.v_druck())
+
+        # Magic-function __call__
+        self.assertEqual(rpi.io.pbit0_7(), 0)
+        self.assertFalse(bool(rpi.io.v_druck))
+        self.assertFalse(bool(rpi.io.magazin1))
+        rpi.io.magazin1(129)
+        self.assertEqual(int(rpi.io.magazin1), 129)
+        self.assertEqual(rpi.io.magazin1(), 129)
+        rpi.io.magazin1.value = 128
+        self.assertTrue(bool(rpi.io.magazin1))
+        self.assertEqual(int(rpi.io.magazin1), 128)
+        self.assertEqual(rpi.io.magazin1(), 128)
+        with self.assertRaises(TypeError):
+            rpi.io.magazin1(b"\x00")
+
+        rpi.io.meldung0_7.replace_io("test4", frm="?", bit=4)
+        rpi.io.test4(True)
+        rpi.io.test4(False)
+
+        with self.assertRaises(ValueError):
+            rpi.io.magazin1.byteorder = 0
+        rpi.io.magazin1.byteorder = "big"
+        self.assertIsInstance(rpi.io.magazin1.defaultvalue, int)
+
+        # Signed and unsigned change
+        self.assertEqual(rpi.io.magazin1.value, 128)
+        self.assertEqual(rpi.io.magazin1.signed, False)
+        with self.assertRaises(TypeError):
+            rpi.io.magazin1.signed = 0
+        rpi.io.magazin1.signed = True
+        self.assertEqual(rpi.io.magazin1.signed, True)
+        self.assertEqual(rpi.io.magazin1.value, -128)
+
+        with self.assertRaises(TypeError):
+            rpi.io.magazin1.value = "test"
+
+        # Cound IOs
+        int_len = len(rpi.io)
+        int_iter = 0
+        for myio in rpi.io:
+            int_iter += 1
+        self.assertEqual(int_len, int_iter)
+
+        self.assertEqual(rpi.io["v_druck"].name, "v_druck")
+        with self.assertRaises(IndexError):
+            rpi.io[8192]
+        with self.assertRaises(AttributeError):
+            # Prevent input assignment
+            rpi.io.v_druck = True