Per-pack BMS queries (id arg): batSoc source + host_probe7

tests/test_battery.py

@@ -37,3 +37,25 @@ class TestExtractSoc(unittest.TestCase):
 
 if __name__ == "__main__":
     unittest.main()
+
+
+class TestBmsSoc(unittest.TestCase):
+    def test_batsoc_key(self):
+        from franklinwh_agate_client.battery import SOC_KEYS
+        self.assertIn("batSoc", SOC_KEYS)
+
+    def test_batsoc_extracted(self):
+        reply = {"cmdType": 1706,
+                 "dataArea": {"opt": 0, "result": 0, "id": 1, "batSoc": 87,
+                              "batSoh": 100}}
+        out = extract_soc(reply)
+        self.assertEqual(out["value"], 87)
+        self.assertEqual(out["source"], "batSoc")
+
+    def test_bms_query_carries_pack_id(self):
+        from franklinwh_agate_client.protocol import (
+            CommunicationCmd, direct_connect_request)
+        env = direct_connect_request(CommunicationCmd.BMS, "SN",
+                                     data={"id": 2})
+        self.assertEqual(env.to_dict()["dataArea"], {"opt": 0, "id": 2})
+        self.assertEqual(env.cmd_type, 1705)