127 lines
3.8 KiB
Dart
127 lines
3.8 KiB
Dart
import 'dart:async';
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import 'package:ducafe_ui_core/ducafe_ui_core.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:forui/forui.dart';
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import 'package:pj_supermarket_cloud/common/index.dart';
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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late int createTextureCount;
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late int releaseTextureCount;
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setUp(() {
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createTextureCount = 0;
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releaseTextureCount = 0;
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(FaceDiscernPlugs.getChannel, (call) async {
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if (call.method == 'createPreviewTexture') {
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createTextureCount++;
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return <String, Object>{
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'textureId': 42,
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'width': 1280,
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'height': 720,
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'rotation': 0,
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'mirror': true,
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};
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}
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if (call.method == 'releasePreviewTexture') {
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releaseTextureCount++;
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}
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return null;
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});
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});
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tearDown(() {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(FaceDiscernPlugs.getChannel, null);
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});
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testWidgets('面板销毁时取消事件监听、当前会话并释放预览纹理', (tester) async {
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final eventController =
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StreamController<FaceRecognitionSessionEvent>.broadcast();
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addTearDown(eventController.close);
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final resultCompleter = Completer<FaceStream>();
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final service = _FakeFaceRecognitionSessionService('session-1');
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final panelController = FaceRecognitionPanelController();
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final handle = FaceRecognitionSessionHandle(
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sessionId: 'session-1',
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scene: FaceRecognitionScene.cashier,
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events: eventController.stream,
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result: resultCompleter.future,
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);
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await tester.pumpWidget(
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_facePanelTestApp(
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FaceRecognitionPanel(
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service: service,
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handle: handle,
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controller: panelController,
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onRecognized: (_) {},
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timeout: const Duration(minutes: 1),
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),
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),
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);
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await tester.pump();
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expect(createTextureCount, 1);
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expect(eventController.hasListener, isTrue);
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await tester.pumpWidget(_facePanelTestApp(const SizedBox.shrink()));
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await tester.pump();
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expect(eventController.hasListener, isFalse);
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expect(service.cancelCount, 1);
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expect(releaseTextureCount, 1);
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await panelController.cancel();
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expect(service.cancelCount, 1, reason: '销毁后的控制句柄不得继续操作旧会话');
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expect(tester.takeException(), isNull);
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});
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}
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/// 构建具备项目缩放和 ForUI 主题的人脸面板测试环境。
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Widget _facePanelTestApp(Widget child) {
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return ScreenUtilInit(
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designSize: const Size(1920, 1080),
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builder: (_, __) => MaterialApp(
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home: FTheme(
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data: FThemes.zinc.light,
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child: Scaffold(body: Center(child: child)),
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),
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),
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);
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}
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/// 测试专用人脸会话服务，只记录面板是否按所有权释放当前会话。
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class _FakeFaceRecognitionSessionService extends FaceRecognitionSessionService {
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/// 创建持有指定会话的测试服务。
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_FakeFaceRecognitionSessionService(this.sessionId);
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/// 当前测试服务拥有的会话 ID。
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final String sessionId;
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/// 面板销毁触发的取消次数。
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int cancelCount = 0;
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/// 当前测试会话是否仍归此服务所有。
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bool active = true;
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/// 仅声明与测试句柄一致的会话归属。
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@override
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bool owns(String? sessionId) => active && sessionId == this.sessionId;
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/// 记录销毁时的取消动作并释放测试会话所有权。
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@override
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Future<void> cancel({String message = '已取消人脸识别'}) async {
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cancelCount++;
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active = false;
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}
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/// 结束路径与取消路径都释放测试会话所有权。
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@override
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Future<void> finish() async {
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active = false;
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}
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}
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