Holzleitner-Lieferservice-App/test/internal_note_sheet_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

import 'package:hl_lieferservice/feature/delivery/detail/presentation/widget/internal_note_sheet.dart';

void main() {
  late InternalNoteDecision? result;
  late bool closed;

  Future<void> open(WidgetTester tester) async {
    result = null;
    closed = false;
    await tester.pumpWidget(
      MaterialApp(
        home: Builder(
          builder: (context) => Scaffold(
            body: TextButton(
              onPressed: () async {
                result = await showInternalNoteSheet(context);
                closed = true;
              },
              child: const Text('open'),
            ),
          ),
        ),
      ),
    );
    await tester.tap(find.text('open'));
    await tester.pumpAndSettle();
  }

  testWidgets('ohne Eingabe: ein Tipp schließt ohne Notiz ab', (tester) async {
    await open(tester);
    await tester.tap(find.text('Ohne Notiz abschließen'));
    await tester.pumpAndSettle();
    expect(closed, isTrue);
    expect(result, isNotNull);
    expect(result!.note, isNull);
  });

  testWidgets('mit Eingabe: Button wechselt, Text wird getrimmt',
      (tester) async {
    await open(tester);
    await tester.enterText(find.byType(TextField), '  Rückruf wegen Montage  ');
    await tester.pump();
    expect(find.text('Mit Notiz abschließen'), findsOneWidget);
    await tester.tap(find.text('Mit Notiz abschließen'));
    await tester.pumpAndSettle();
    expect(result!.note, 'Rückruf wegen Montage');
  });

  testWidgets('Zurück bricht das Abschließen ab', (tester) async {
    await open(tester);
    await tester.tap(find.text('Zurück zur Unterschrift'));
    await tester.pumpAndSettle();
    expect(closed, isTrue);
    expect(result, isNull);
  });
}