Emualtor RX side

tests/test_emulator_rx_probe.py

@@ -0,0 +1,27 @@
+import argparse
+import unittest
+
+from h8536.emulator.rx_probe import frame_checksum, frame_checksum_ok, parse_frame
+
+
+class EmulatorRxProbeTest(unittest.TestCase):
+    def test_parse_frame_accepts_five_bytes_and_appends_checksum(self):
+        frame = parse_frame("04 00 00 40 00")
+
+        self.assertEqual(frame, bytes.fromhex("04000040001E"))
+        self.assertTrue(frame_checksum_ok(frame))
+
+    def test_parse_frame_accepts_compact_checked_frame(self):
+        frame = parse_frame("0780684030C5")
+
+        self.assertEqual(frame, bytes.fromhex("0780684030C5"))
+        self.assertEqual(frame_checksum(frame), 0xC5)
+        self.assertTrue(frame_checksum_ok(frame))
+
+    def test_parse_frame_rejects_wrong_length(self):
+        with self.assertRaises(argparse.ArgumentTypeError):
+            parse_frame("04 00 00 40")
+
+
+if __name__ == "__main__":
+    unittest.main()