Question

在为颤振启动项目运行颤振测试时遇到以下问题。

命令：flutter drive --driver=test_driver/integration_test_driver.dart --target=integration_test/app_test.dart

版本

颤振：1.20.2（颤振医生没有问题），集成测试：1.0.2+2

错误：**flutter/.pub-cache/hosted/pub.dartlang.org/integration_test-1.0.2+2/lib/integration_test.dart:324:11: 错误：'FrameTimingSummarizer' 不是一种类型. 最终 FrameTimingSummarizer 帧时间 = ^^^^^^^^^^^^^^^^^^^^^ /flutter/.pub-cache/hosted/pub.dartlang.org/integration_test-1.0.2+2/lib/integration_test.dart:302:20: 错误：未为“IntegrationTestWidgetsFlutterBinding”类定义getter“kDebugWarning” '.

'IntegrationTestWidgetsFlutterBinding' 来自'package:integration_test/integration_test.dart'（'flutter/.pub-cache/hosted/pub.dartlang.org/integration_test-1.0.2+2/lib/integration_test.dart'）。尝试将名称更正为现有 getter 的名称，或定义名为“kDebugWarning”的 getter 或字段。调试打印（kDebugWarning）； ^^^^^^^^^^^^^^ flutter/.pub-cache/hosted/pub.dartlang.org/integration_test-1.0.2+2/lib/integration_test.dart:325:9: 错误：未为类“IntegrationTestWidgetsFlutterBinding”定义方法“FrameTimingSummarizer” .
'IntegrationTestWidgetsFlutterBinding' 来自'package:integration_test/integration_test.dart'（'flutter/.pub-cache/hosted/pub.dartlang.org/integration_test-1.0.2+2/lib/integration_test.dart'）。尝试将名称更正为现有方法的名称，或定义名为“FrameTimingSummarizer”的方法。 FrameTimingSummarizer(frameTimings); ^^^^^^^^^^^^^^^^^^^^^ **

integration_test_driver.dart

import 'package:integration_test/integration_test_driver.dart';

void main()=> integrationDriver();

app_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';
import 'dart:async';
import '../lib/main.dart';

void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  
  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
    // Build our app and trigger a frame.
    await tester.pumpWidget(MyApp());
    await tester.pumpAndSettle();

    // Verify that our counter starts at 0.
    expect(find.text('0'), findsOneWidget);
    expect(find.text('1'), findsNothing);

    // Tap the + icon and trigger a frame.
    await tester.tap(find.byIcon(Icons.add));
    await tester.pump();

    // Verify that our counter incremented.
    expect(find.text('0'), findsNothing);
    expect(find.text('1'), findsOneWidget);
  });
}

main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headline4,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
    );
  }
}

颤振测试“FrameTimingSummarizer”错误

版本

0 个答案: