import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:hepan_everyday/app/tp_startup.dart';

void main() {
  testWidgets(
    'startup shows brand while initializing and immediately proceeds when ready',
    (tester) async {
      final ready = Completer<void>();
      await tester.pumpWidget(
        TpStartup(
          ready: ready.future,
          child: const MaterialApp(home: Scaffold(body: Text('已准备好课表'))),
        ),
      );
      await tester.pump();
      expect(find.text('TPSchedule'), findsOneWidget);
      expect(find.text('已准备好课表'), findsNothing);
      ready.complete();
      await tester.pump();
      await tester.pump();
      expect(find.text('已准备好课表'), findsOneWidget);
      await tester.pumpAndSettle();
      expect(find.text('TPSchedule'), findsNothing);
    },
  );
}