Developer
e0d1a1775d
- 在 AndroidManifest.xml 中添加 USB Host 权限声明 - 集成 CH934X Android SDK 并通过反射调用原生功能 - 实现设备查找、串口读写、GPIO 和 Modem 控制功能 - 添加异常回调机制处理设备拔出等情况 - 提供 Stream 数据流支持实时串口数据监听 - 完善单元测试覆盖所有核心功能模块
101 lines
3.2 KiB
Dart
101 lines
3.2 KiB
Dart
import 'package:ch934x_serial/ch934x_serial_method_channel.dart';
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import 'package:ch934x_serial/src/models/models.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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const channel = MethodChannel('ch934x_serial');
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late MethodChannelCh934xSerial platform;
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setUp(() {
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platform = MethodChannelCh934xSerial();
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});
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tearDown(() {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(channel, null);
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platform.dispose();
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});
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/// 显式替换 mock handler 并返回,后续 `await platform.xxx` 会触发该 handler。
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void mockCall(Future<Object?> Function(MethodCall) handler) {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(channel, (MethodCall call) async {
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return handler(call);
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});
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}
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test('getDeviceList 解析为 Ch934xDeviceInfo 列表', () async {
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mockCall((call) async {
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expect(call.method, 'getDeviceList');
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return <Map<String, Object>>[
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<String, Object>{
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'deviceId': 1,
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'vendorId': 0x1a86,
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'productId': 0xfe0c,
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'deviceType': Ch934xDeviceType.ch9344,
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'serialNumber': 'ABC',
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'interfaceCount': 1,
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'serialPorts': <Map<String, Object>>[
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<String, Object>{'portIndex': 0},
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],
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},
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];
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});
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final result = await platform.getDeviceList();
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expect(result, hasLength(1));
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expect(result.first.serialNumber, 'ABC');
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expect(result.first.serialPorts.single.portIndex, 0);
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});
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test('read 透传 length 字段并返回字节', () async {
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mockCall((call) async {
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expect(call.method, 'read');
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expect(call.arguments, <String, Object>{'length': 4});
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return Uint8List.fromList([1, 2, 3, 4]);
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});
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final result = await platform.read(4);
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expect(result, Uint8List.fromList([1, 2, 3, 4]));
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});
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test('read 接收非正长度直接返回空数组', () async {
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// 未注册 mock handler,验证短路逻辑不调用原生层。
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final result = await platform.read(0);
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expect(result, isEmpty);
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});
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test('write 将数据写入原生层并回传字节数', () async {
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mockCall((call) async {
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expect(call.method, 'write');
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expect((call.arguments as Map)['data'], isA<Uint8List>());
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return 3;
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});
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final written = await platform.write(Uint8List.fromList([9, 8, 7]));
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expect(written, 3);
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});
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test('getModemStatus 默认回退到 0', () async {
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mockCall((_) async => null);
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expect(await platform.getModemStatus(), 0);
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});
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test('dispatchException 推送给 setExceptionCallback 订阅者', () async {
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mockCall((call) async {
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expect(call.method, 'setExceptionCallback');
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return null;
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});
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final received = <Ch934xException>[];
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await platform.setExceptionCallback(received.add);
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platform.dispatchException(
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type: Ch934xExceptionType.deviceDetached,
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message: 'detached',
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);
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// 等待 microtask 队列执行。
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await Future<void>.delayed(Duration.zero);
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expect(received, hasLength(1));
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expect(received.first.message, 'detached');
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});
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}
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