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test/widget_test.dart 1.08 KB
2a29701f   liangchengyou   feat:提交代码
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  // This is a basic Flutter widget test.
  //
  // To perform an interaction with a widget in your test, use the WidgetTester
  // utility in the flutter_test package. For example, you can send tap and scroll
  // gestures. You can also use WidgetTester to find child widgets in the widget
  // tree, read text, and verify that the values of widget properties are correct.
  
  import 'package:flutter/material.dart';
  import 'package:flutter_test/flutter_test.dart';
  import 'package:wow_english/app/app.dart';
  
  import 'package:wow_english/main.dart';
  
  void main() {
    testWidgets('Counter increments smoke test', (WidgetTester tester) async {
      // Build our app and trigger a frame.
      await tester.pumpWidget(const App());
  
      // 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 has incremented.
      expect(find.text('0'), findsNothing);
      expect(find.text('1'), findsOneWidget);
    });
  }