import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:provider/provider.dart';
import 'package:smoke_cess_app/providers/timer_provider.dart';
import 'package:smoke_cess_app/utils/timer_util.dart';
import 'package:smoke_cess_app/widgets/timer_widget.dart';

void main() {
  group('TimerWidget', () {
    testWidgets('should display duration', (WidgetTester tester) async {
      TimerProvider timerProvider = TimerProvider();
      Duration duration = const Duration(minutes: 1);
      await tester.pumpWidget(
        MaterialApp(
            home: Scaffold(
                body: ChangeNotifierProvider(
                    create: (context) => timerProvider,
                    child: TimerWidget(duration: duration)))),
      );

      final durationTextFinder = find.text(formatTime(duration.inSeconds));
      expect(durationTextFinder, findsOneWidget);

      timerProvider.startTimer(duration);
      await tester.pump(const Duration(seconds: 1));
      expect(durationTextFinder, findsNothing);
      expect(find.text(formatTime(duration.inSeconds - 1)), findsOneWidget);
    });
  });
}