Files
meshcore-open/test/screens/path_trace_test.dart
T

374 lines
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Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:provider/provider.dart';
import 'dart:typed_data';
import 'package:meshcore_open/connector/meshcore_connector.dart';
import 'package:meshcore_open/connector/meshcore_protocol.dart';
import 'package:meshcore_open/screens/path_trace_map.dart';
import 'package:meshcore_open/services/app_settings_service.dart';
import 'package:meshcore_open/services/map_tile_cache_service.dart';
import 'package:meshcore_open/models/contact.dart';
import 'package:meshcore_open/l10n/app_localizations.dart';
class _FakeMeshCoreConnector extends MeshCoreConnector {
final StreamController<Uint8List> _receivedFramesController =
StreamController<Uint8List>.broadcast();
@override
Stream<Uint8List> get receivedFrames => _receivedFramesController.stream;
@override
Uint8List? get selfPublicKey =>
Uint8List.fromList(List.generate(32, (i) => i));
@override
double? get selfLatitude => 48.8566;
@override
double? get selfLongitude => 2.3522;
@override
List<Contact> get allContactsUnfiltered => [];
@override
List<Contact> get contacts => [];
void emitFrame(Uint8List frame) {
_receivedFramesController.add(frame);
}
final List<Uint8List> sentFrames = [];
@override
Future<void> sendFrame(
Uint8List frame, {
String? channelSendQueueId,
bool expectsGenericAck = false,
bool waitForGenericAck = false,
}) async {
sentFrames.add(frame);
}
}
Widget _buildTestApp({
required MeshCoreConnector connector,
required Widget child,
}) {
return MultiProvider(
providers: [
ChangeNotifierProvider<MeshCoreConnector>.value(value: connector),
ChangeNotifierProvider<AppSettingsService>(
create: (_) => AppSettingsService(),
),
Provider<MapTileCacheService>(create: (_) => MapTileCacheService()),
],
child: MaterialApp(
localizationsDelegates: AppLocalizations.localizationsDelegates,
supportedLocales: AppLocalizations.supportedLocales,
home: child,
),
);
}
void main() {
testWidgets('PathTraceMapScreen parses response frames correctly', (
tester,
) async {
final connector = _FakeMeshCoreConnector();
final screen = PathTraceMapScreen(
title: 'Test Trace',
path: Uint8List.fromList([0x12, 0x34]),
pathHashByteWidth: 1,
);
await tester.pumpWidget(_buildTestApp(connector: connector, child: screen));
await tester.pump();
// Verify a send request was made
expect(connector.sentFrames.length, 1);
final sentFrame = connector.sentFrames.first;
expect(sentFrame[0], cmdSendTracePath);
// Extract the tag sent in the request (bytes 1-4)
final tag = sentFrame.sublist(1, 5);
// Emit respCodeSent (6)
final respCodeSentFrame = Uint8List(10);
respCodeSentFrame[0] = respCodeSent;
respCodeSentFrame[1] = 0; // reserved / is_flood
respCodeSentFrame.setRange(2, 6, tag);
// timeout milliseconds = 5000 (0x1388)
respCodeSentFrame[6] = 0x88;
respCodeSentFrame[7] = 0x13;
respCodeSentFrame[8] = 0x00;
respCodeSentFrame[9] = 0x00;
connector.emitFrame(respCodeSentFrame);
await tester.pump();
// Now emit PUSH_CODE_TRACE_DATA (0x89)
// Structure:
// Offset 0: pushCodeTraceData (0x89)
// Offset 1: reserved (0)
// Offset 2: pathLength (2)
// Offset 3: flag (0)
// Offset 4..7: tag
// Offset 8..11: auth (0)
// Offset 12..13: pathBytes [0x12, 0x34]
// Offset 14..15: SNR bytes [12, 16] -> to be mapped to signed 8 bit Snr/4
final pushTraceFrame = Uint8List(16);
pushTraceFrame[0] = pushCodeTraceData;
pushTraceFrame[1] = 0; // reserved
pushTraceFrame[2] = 2; // pathLength
pushTraceFrame[3] = 0; // flag
pushTraceFrame.setRange(4, 8, tag);
// auth bytes (8..11) = 0
pushTraceFrame.setRange(12, 14, [0x12, 0x34]); // pathBytes
pushTraceFrame.setRange(14, 16, [12, 16]); // SNR bytes
connector.emitFrame(pushTraceFrame);
// pump multiple times to handle async tasks
await tester.pumpAndSettle();
// Verify it doesn't show "Path trace not available" or similar
expect(find.text('Path trace not available.'), findsNothing);
});
testWidgets(
'PathTraceMapScreen parses multi-byte encoded path trace response correctly',
(tester) async {
final connector = _FakeMeshCoreConnector();
final screen = PathTraceMapScreen(
title: 'Test Trace Multi-byte',
path: Uint8List.fromList([0x12, 0x34]),
pathHashByteWidth: 2,
);
await tester.pumpWidget(
_buildTestApp(connector: connector, child: screen),
);
await tester.pump();
// Verify a send request was made
expect(connector.sentFrames.length, 1);
final sentFrame = connector.sentFrames.first;
expect(sentFrame[0], cmdSendTracePath);
// Extract the tag sent in the request (bytes 1-4)
final tag = sentFrame.sublist(1, 5);
// Emit respCodeSent (6)
final respCodeSentFrame = Uint8List(10);
respCodeSentFrame[0] = respCodeSent;
respCodeSentFrame[1] = 0;
respCodeSentFrame.setRange(2, 6, tag);
respCodeSentFrame[6] = 0x88;
respCodeSentFrame[7] = 0x13;
respCodeSentFrame[8] = 0x00;
respCodeSentFrame[9] = 0x00;
connector.emitFrame(respCodeSentFrame);
await tester.pump();
// Now emit PUSH_CODE_TRACE_DATA (0x89)
// Structure:
// Offset 0: pushCodeTraceData (0x89)
// Offset 1: reserved (0)
// Offset 2: pathLength (65) -> mode 1 (width 2), 1 hop
// Offset 3: flag (0)
// Offset 4..7: tag
// Offset 8..11: auth (0)
// Offset 12..13: pathBytes [0x12, 0x34]
// Offset 14..15: SNR bytes [12, 16]
final pushTraceFrame = Uint8List(16);
pushTraceFrame[0] = pushCodeTraceData;
pushTraceFrame[1] = 0; // reserved
pushTraceFrame[2] = 65; // pathLength encoded (mode 1, 1 hop -> 2 bytes)
pushTraceFrame[3] = 0; // flag
pushTraceFrame.setRange(4, 8, tag);
pushTraceFrame.setRange(12, 14, [0x12, 0x34]); // pathBytes
pushTraceFrame.setRange(14, 16, [12, 16]); // SNR bytes
connector.emitFrame(pushTraceFrame);
await tester.pumpAndSettle();
// Verify it parsed correctly (should not show the unavailable message)
expect(find.text('Path trace not available.'), findsNothing);
},
);
testWidgets('PathTraceMapScreen buildPath: Direct repeater ping (0-hop)', (
tester,
) async {
final connector = _FakeMeshCoreConnector();
final target = Contact(
publicKey: Uint8List.fromList([0xAA, 0xBB, 0xCC]),
name: 'Repeater Node',
type: advTypeRepeater,
path: Uint8List(0),
pathLength: 0,
lastSeen: DateTime.now(),
);
final screen = PathTraceMapScreen(
title: 'Direct Repeater Ping',
path: Uint8List.fromList([0xAA]),
targetContact: target,
flipPathAround: true,
pathHashByteWidth: 1,
);
await tester.pumpWidget(_buildTestApp(connector: connector, child: screen));
await tester.pump();
expect(connector.sentFrames.length, 1);
final sentFrame = connector.sentFrames.first;
expect(sentFrame[0], cmdSendTracePath);
final payload = sentFrame.sublist(10);
expect(payload, Uint8List.fromList([0xAA]));
});
testWidgets('PathTraceMapScreen buildPath: 1-hop chat contact trace', (
tester,
) async {
final connector = _FakeMeshCoreConnector();
final target = Contact(
publicKey: Uint8List.fromList([0xCC, 0xDD, 0xEE]),
name: 'Chat User',
type: advTypeChat,
path: Uint8List.fromList([0xBB]),
pathLength: 1,
lastSeen: DateTime.now(),
);
final screen = PathTraceMapScreen(
title: '1-Hop Chat Trace',
path: Uint8List.fromList([0xBB]),
targetContact: target,
flipPathAround: true,
pathHashByteWidth: 1,
);
await tester.pumpWidget(_buildTestApp(connector: connector, child: screen));
await tester.pump();
expect(connector.sentFrames.length, 1);
final sentFrame = connector.sentFrames.first;
expect(sentFrame[0], cmdSendTracePath);
final payload = sentFrame.sublist(10);
expect(payload, Uint8List.fromList([0xBB, 0xCC, 0xBB]));
});
testWidgets('PathTraceMapScreen buildPath: Multi-hop chat contact trace', (
tester,
) async {
final connector = _FakeMeshCoreConnector();
final target = Contact(
publicKey: Uint8List.fromList([0x33, 0x44, 0x55]),
name: 'Chat User Multi-hop',
type: advTypeChat,
path: Uint8List.fromList([0x11, 0x22]),
pathLength: 2,
lastSeen: DateTime.now(),
);
final screen = PathTraceMapScreen(
title: 'Multi-Hop Chat Trace',
path: Uint8List.fromList([0x11, 0x22]),
targetContact: target,
flipPathAround: true,
pathHashByteWidth: 1,
);
await tester.pumpWidget(_buildTestApp(connector: connector, child: screen));
await tester.pump();
expect(connector.sentFrames.length, 1);
final sentFrame = connector.sentFrames.first;
expect(sentFrame[0], cmdSendTracePath);
final payload = sentFrame.sublist(10);
expect(payload, Uint8List.fromList([0x11, 0x22, 0x33, 0x22, 0x11]));
});
testWidgets(
'PathTraceMapScreen buildPath: Map trace with null target contact',
(tester) async {
final connector = _FakeMeshCoreConnector();
final screen = PathTraceMapScreen(
title: 'Map Trace No Target',
path: Uint8List.fromList([0x11, 0x22]),
targetContact: null,
flipPathAround: true,
pathHashByteWidth: 1,
);
await tester.pumpWidget(
_buildTestApp(connector: connector, child: screen),
);
await tester.pump();
expect(connector.sentFrames.length, 1);
final sentFrame = connector.sentFrames.first;
expect(sentFrame[0], cmdSendTracePath);
final payload = sentFrame.sublist(10);
expect(payload, Uint8List.fromList([0x11, 0x22, 0x11]));
},
);
testWidgets('PathTraceMapScreen parses raw byte length fallback correctly', (
tester,
) async {
final connector = _FakeMeshCoreConnector();
final screen = PathTraceMapScreen(
title: 'Test Raw Fallback',
path: Uint8List.fromList([0x12, 0x34]),
pathHashByteWidth: 2,
);
await tester.pumpWidget(_buildTestApp(connector: connector, child: screen));
await tester.pump();
expect(connector.sentFrames.length, 1);
final sentFrame = connector.sentFrames.first;
final tag = sentFrame.sublist(1, 5);
// Emit respCodeSent (6)
final respCodeSentFrame = Uint8List(10);
respCodeSentFrame[0] = respCodeSent;
respCodeSentFrame[1] = 0;
respCodeSentFrame.setRange(2, 6, tag);
respCodeSentFrame[6] = 0x88;
respCodeSentFrame[7] = 0x13;
respCodeSentFrame[8] = 0x00;
respCodeSentFrame[9] = 0x00;
connector.emitFrame(respCodeSentFrame);
await tester.pump();
// Now emit PUSH_CODE_TRACE_DATA (0x89)
// Structure:
// Offset 2: pathLength (2) -> raw byte length count, mode is 0!
// Offset 12..13: pathBytes [0x12, 0x34]
final pushTraceFrame = Uint8List(16);
pushTraceFrame[0] = pushCodeTraceData;
pushTraceFrame[1] = 0; // reserved
pushTraceFrame[2] = 2; // pathLength as raw byte length (2 bytes)
pushTraceFrame[3] = 0; // flag
pushTraceFrame.setRange(4, 8, tag);
pushTraceFrame.setRange(12, 14, [0x12, 0x34]); // pathBytes
pushTraceFrame.setRange(14, 16, [12, 16]); // SNR bytes
connector.emitFrame(pushTraceFrame);
await tester.pumpAndSettle();
// Verify it parsed correctly (should not show the unavailable message)
expect(find.text('Path trace not available.'), findsNothing);
});
}