pdf_signature/test/widget/export_flow_test.dart

86 lines
2.9 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:shared_preferences/shared_preferences.dart';
import 'package:pdf_signature/data/services/export_service.dart';
import 'package:pdf_signature/ui/features/pdf/widgets/ui_services.dart';
import 'package:pdf_signature/data/repositories/preferences_repository.dart';
import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
import 'package:pdf_signature/data/repositories/document_repository.dart';
import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
import 'package:pdf_signature/l10n/app_localizations.dart';
class RecordingExporter extends ExportService {
bool called = false;
@override
Future<Uint8List?> exportSignedPdfFromBytes({
required Uint8List srcBytes,
required Size uiPageSize,
required Uint8List? signatureImageBytes,
Map<int, List<dynamic>>? placementsByPage,
Map<String, Uint8List>? libraryBytes,
double targetDpi = 144.0,
}) async {
// Return tiny dummy PDF bytes
return Uint8List.fromList([0x25, 0x50, 0x44, 0x46]); // "%PDF" header start
}
@override
Future<bool> saveBytesToFile({
required bytes,
required String outputPath,
}) async {
called = true;
return true;
}
}
void main() {
testWidgets('Save uses file selector (via provider) and injected exporter', (
tester,
) async {
SharedPreferences.setMockInitialValues({});
final prefs = await SharedPreferences.getInstance();
final fake = RecordingExporter();
await tester.pumpWidget(
ProviderScope(
overrides: [
sharedPreferencesProvider.overrideWith((_) async => prefs),
preferencesRepositoryProvider.overrideWith(
(ref) => PreferencesStateNotifier(prefs),
),
documentRepositoryProvider.overrideWith(
(ref) =>
DocumentStateNotifier()
..openPicked(pageCount: 5, bytes: Uint8List(0)),
),
useMockViewerProvider.overrideWith((ref) => true),
exportServiceProvider.overrideWith((_) => fake),
savePathPickerProvider.overrideWith(
(_) => () async => 'C:/tmp/output.pdf',
),
],
child: MaterialApp(
localizationsDelegates: AppLocalizations.localizationsDelegates,
supportedLocales: AppLocalizations.supportedLocales,
home: const PdfSignatureHomePage(),
),
),
);
// Let async providers (SharedPreferences) resolve
await tester.pumpAndSettle();
// Trigger save directly (mark toggle no longer required)
await tester.tap(find.byKey(const Key('btn_save_pdf')));
await tester.pumpAndSettle();
// Expect success UI (localized)
expect(find.textContaining('Saved:'), findsOneWidget);
expect(fake.called, isTrue);
});
}