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fix: stop lpp zero tail

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Janez T
2026-03-05 20:12:09 +01:00
parent 03c0c7ad38
commit 2b34bc4162
2 changed files with 34 additions and 0 deletions
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18
test/services/cayenne_lpp_parser_test.dart
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@@ -410,6 +410,24 @@ void main() {
expect(decoded.batteryMilliVolts, closeTo(3850, 1));
});
test('stops parsing at zero-padded telemetry tail', () {
final payload = Uint8List.fromList([
0x01, 0x74, 0x01, 0x5F, // voltage 3.51V
0x01, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
]);
final decoded = CayenneLppParser.parse(payload);
expect(decoded.batteryMilliVolts, closeTo(3510, 1));
expect(decoded.batteryPercentage, closeTo(42.5, 0.1));
expect(decoded.gpsLocation, isNotNull);
expect(decoded.gpsLocation!.latitude, 0.0);
expect(decoded.gpsLocation!.longitude, 0.0);
expect(decoded.extraSensorData?['digital_input_0'], isNull);
});
test('empty data returns empty telemetry', () {
final empty = Uint8List(0);
final decoded = CayenneLppParser.parse(empty);