fix zapisovani casu

backend/tests/test_deye_clock.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 
 import unittest
 from datetime import datetime, timedelta, timezone
+from types import SimpleNamespace
 
 from services.control_exporter import (
     DEYE_CLOCK_DRIFT_OK_SEC,
@@ -12,6 +13,7 @@ from services.control_exporter import (
     InverterConfig,
     PRAGUE_TZ,
     _deye_clock_registers_verify_match,
+    _deye_expected_clock_triplet_for_verify,
     _deye_registers_to_prague_datetime,
     _deye_should_skip_time_sync_after_read,
     _deye_system_time_register_rows,
@@ -121,5 +123,23 @@ class DeyeSkipTimeSyncPolicyTests(unittest.TestCase):
         self.assertGreater(DEYE_CLOCK_DRIFT_OK_SEC, 5)
 
 
+class DeyeClockTripletForVerifyTests(unittest.TestCase):
+    def test_orphan_reg64_fills_w62_w63_from_device_read(self) -> None:
+        a62 = (2026 - 2000) << 8 | 4
+        a63 = 10 << 8 | 12
+        a64 = 45 << 8 | 30
+        bundle = [SimpleNamespace(register=64, value_to_write=(45 << 8) | 0)]
+        w62, w63, w64 = _deye_expected_clock_triplet_for_verify(bundle, {}, a62, a63, a64)
+        self.assertEqual(w62, a62)
+        self.assertEqual(w63, a63)
+        self.assertEqual(w64, 45 << 8)
+
+    def test_last_verified_used_when_not_in_bundle(self) -> None:
+        bundle: list[SimpleNamespace] = []
+        last = {62: 1, 63: 2, 64: 3}
+        w62, w63, w64 = _deye_expected_clock_triplet_for_verify(bundle, last, 9, 8, 7)
+        self.assertEqual((w62, w63, w64), (1, 2, 3))
+
+
 if __name__ == "__main__":
     unittest.main()