84 lines
2.9 KiB
Dart
84 lines
2.9 KiB
Dart
import 'dart:typed_data';
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import 'package:cross_file/cross_file.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:pdf_signature/ui/features/pdf/view_model/pdf_export_view_model.dart';
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import 'package:pdf_signature/data/repositories/preferences_repository.dart';
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import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
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import 'package:pdf_signature/data/repositories/document_repository.dart';
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import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
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import 'package:pdf_signature/l10n/app_localizations.dart';
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// A fake export VM that always reports success, so this widget test doesn't
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// depend on PDF validity or platform specifics.
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bool exported = false;
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class _FakePdfExportViewModel extends PdfExportViewModel {
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_FakePdfExportViewModel(Ref ref)
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: super(ref, savePathPicker: () async => 'C:/tmp/output.pdf');
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@override
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Future<bool> exportToPath({
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required String outputPath,
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required Size uiPageSize,
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required Uint8List? signatureImageBytes,
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double targetDpi = 144.0,
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}) async {
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exported = true;
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return true;
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}
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}
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void main() {
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testWidgets('Save uses file selector (via provider) and injected exporter', (
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tester,
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) async {
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SharedPreferences.setMockInitialValues({});
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final prefs = await SharedPreferences.getInstance();
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await tester.pumpWidget(
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ProviderScope(
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overrides: [
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preferencesRepositoryProvider.overrideWith(
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(ref) => PreferencesStateNotifier(prefs),
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),
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documentRepositoryProvider.overrideWith(
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(ref) =>
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DocumentStateNotifier()
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..openPicked(pageCount: 5, bytes: Uint8List(0)),
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),
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pdfViewModelProvider.overrideWith(
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(ref) => PdfViewModel(ref, useMockViewer: true),
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),
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pdfExportViewModelProvider.overrideWith(
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(ref) => _FakePdfExportViewModel(ref),
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),
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],
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child: MaterialApp(
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localizationsDelegates: AppLocalizations.localizationsDelegates,
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supportedLocales: AppLocalizations.supportedLocales,
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home: PdfSignatureHomePage(
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onPickPdf: () async {},
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onClosePdf: () {},
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currentFile: XFile(''),
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),
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),
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),
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);
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// Let async providers (SharedPreferences) resolve
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await tester.pumpAndSettle();
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// Trigger save directly (mark toggle no longer required)
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await tester.tap(find.byKey(const Key('btn_save_pdf')));
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// Pump a bit to allow async export flow to run.
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await tester.pump(const Duration(milliseconds: 100));
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await tester.pump(const Duration(milliseconds: 200));
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// Basic assertion: export was invoked
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expect(exported, isTrue);
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});
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}
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