added restapi

collector/tests/test_protocol.py

@@ -6,12 +6,14 @@ import unittest
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 from protocol import (  # noqa: E402
+    charge_percent,
     pack_interval_min,
     pack_report,
     pack_slot_config,
     unpack_interval_min,
     unpack_report,
     unpack_slot_config,
+    voltage_v,
 )
 
 
@@ -53,6 +55,19 @@ class ProtocolTests(unittest.TestCase):
         self.assertEqual(raw2[1], 0x12)
         self.assertEqual(unpack_interval_min(raw2), 0x1234)
 
+    def test_voltage_is_tenths(self):
+        self.assertIsNone(voltage_v(255))
+        self.assertAlmostEqual(voltage_v(32), 3.2)
+        self.assertAlmostEqual(voltage_v(17), 1.7)
+        self.assertEqual(charge_percent(voltage_v(32)), 100)
+        self.assertEqual(charge_percent(1.5), 0)
+        self.assertEqual(charge_percent(1.7), 0)
+        self.assertEqual(charge_percent(2.0), 8)
+        self.assertEqual(charge_percent(2.3), 28)
+        self.assertEqual(charge_percent(3.0), 90)
+        self.assertEqual(charge_percent(3.2), 100)
+        self.assertEqual(charge_percent(3.4), 100)
+
     def test_interval_min_bad_length(self):
         self.assertIsNone(unpack_interval_min(b""))
         self.assertIsNone(unpack_interval_min(b"\x00"))