pdf_signature/test/widget/welcome_drop_test.dart

58 lines
1.9 KiB
Dart

import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:pdf_signature/l10n/app_localizations.dart';
import 'package:pdf_signature/ui/features/welcome/widgets/welcome_screen.dart';
import 'package:pdf_signature/ui/features/signature/view_model/signature_controller.dart';
import 'package:pdf_signature/ui/features/pdf/view_model/pdf_controller.dart';
class _FakeDropReadable implements DropReadable {
final String _name;
final String? _path;
final Uint8List _bytes;
_FakeDropReadable(this._name, this._path, this._bytes);
@override
String get name => _name;
@override
String? get path => _path;
@override
Future<Uint8List> readAsBytes() async => _bytes;
}
void main() {
testWidgets('dropping a PDF opens it and resets signature state', (
tester,
) async {
await tester.pumpWidget(
const ProviderScope(
child: MaterialApp(
localizationsDelegates: AppLocalizations.localizationsDelegates,
supportedLocales: AppLocalizations.supportedLocales,
home: WelcomeScreen(),
),
),
);
final stateful = tester.state(find.byType(WelcomeScreen)) as ConsumerState;
final bytes = Uint8List.fromList([1, 2, 3, 4]);
final fake = _FakeDropReadable('sample.pdf', '/tmp/sample.pdf', bytes);
// Use the top-level helper with the WidgetRef.read function
await handleDroppedFiles(stateful.ref.read, [fake]);
await tester.pump();
final container = ProviderScope.containerOf(stateful.context);
final pdf = container.read(pdfProvider);
expect(pdf.loaded, isTrue);
expect(pdf.pickedPdfPath, '/tmp/sample.pdf');
expect(pdf.pickedPdfBytes, bytes);
final sig = container.read(signatureProvider);
expect(sig.rect, isNull);
expect(sig.editingEnabled, isFalse);
});
}