343 lines
12 KiB
Dart
343 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:integration_test/integration_test.dart';
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import 'dart:io';
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import 'package:cross_file/cross_file.dart';
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import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
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import 'package:pdf_signature/ui/features/pdf/widgets/pages_sidebar.dart';
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import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:pdf_signature/data/repositories/preferences_repository.dart';
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import 'package:pdf_signature/data/repositories/document_repository.dart';
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import 'package:pdf_signature/l10n/app_localizations.dart';
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/// It has known that sample-local-pdf.pdf has 3 pages.
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void main() {
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IntegrationTestWidgetsFlutterBinding.ensureInitialized();
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testWidgets('PDF View: programmatic page jumps reach last page', (
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tester,
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) async {
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final pdfBytes =
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await File('integration_test/data/sample-local-pdf.pdf').readAsBytes();
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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: 3, bytes: pdfBytes),
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),
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pdfViewModelProvider.overrideWith(
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(ref) => PdfViewModel(ref, useMockViewer: false),
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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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locale: Locale('en'),
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home: PdfSignatureHomePage(
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onPickPdf: () async {},
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onClosePdf: () {},
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currentFile: XFile('test.pdf'),
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),
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),
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),
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);
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await tester.pumpAndSettle();
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// Extra settle to avoid startup race when running with other integration tests.
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await tester.pump(const Duration(milliseconds: 200));
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final ctx = tester.element(find.byType(PdfSignatureHomePage));
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final container = ProviderScope.containerOf(ctx);
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final vm = container.read(pdfViewModelProvider);
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expect(vm.currentPage, 1);
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container.read(pdfViewModelProvider.notifier).jumpToPage(2);
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await tester.pumpAndSettle();
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await tester.pump(const Duration(milliseconds: 120));
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expect(container.read(pdfViewModelProvider).currentPage, 2);
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container.read(pdfViewModelProvider.notifier).jumpToPage(3);
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await tester.pumpAndSettle();
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await tester.pump(const Duration(milliseconds: 120));
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expect(container.read(pdfViewModelProvider).currentPage, 3);
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});
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testWidgets('PDF View: zoom in/out', (tester) async {
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final pdfBytes =
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await File('integration_test/data/sample-local-pdf.pdf').readAsBytes();
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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: 3, bytes: pdfBytes),
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),
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pdfViewModelProvider.overrideWith(
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(ref) => PdfViewModel(ref, useMockViewer: false),
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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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locale: Locale('en'),
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home: PdfSignatureHomePage(
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onPickPdf: () async {},
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onClosePdf: () {},
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currentFile: XFile('test.pdf'),
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),
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),
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),
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);
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await tester.pumpAndSettle();
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await tester.pump(const Duration(milliseconds: 120));
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final pdfViewer = find.byKey(const ValueKey('pdf_page_area'));
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expect(pdfViewer, findsOneWidget);
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final center = tester.getCenter(pdfViewer);
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final gesture1 = await tester.createGesture();
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final gesture2 = await tester.createGesture();
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await gesture1.down(center - const Offset(10, 0));
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await gesture2.down(center + const Offset(10, 0));
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await gesture1.moveTo(center - const Offset(20, 0));
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await gesture2.moveTo(center + const Offset(20, 0));
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await gesture1.up();
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await gesture2.up();
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await tester.pumpAndSettle();
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expect(pdfViewer, findsOneWidget);
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});
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testWidgets('PDF View: jump to page by clicking thumbnail', (tester) async {
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final pdfBytes =
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await File('integration_test/data/sample-local-pdf.pdf').readAsBytes();
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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: 3, bytes: pdfBytes),
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),
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pdfViewModelProvider.overrideWith(
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(ref) => PdfViewModel(ref, useMockViewer: false),
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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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locale: Locale('en'),
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home: PdfSignatureHomePage(
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onPickPdf: () async {},
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onClosePdf: () {},
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currentFile: XFile('test.pdf'),
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),
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),
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),
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);
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await tester.pumpAndSettle();
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final ctx = tester.element(find.byType(PdfSignatureHomePage));
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final container = ProviderScope.containerOf(ctx);
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expect(container.read(pdfViewModelProvider).currentPage, 1);
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final pagesSidebar = find.byType(PagesSidebar);
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expect(pagesSidebar, findsOneWidget);
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// Helper to read the background color of a thumbnail tile by page label
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Color? tileBgForPage(int page) {
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final pageLabel = find.descendant(
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of: pagesSidebar,
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matching: find.text('$page'),
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);
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if (pageLabel.evaluate().isEmpty) return null; // not visible yet
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final decoratedAncestors = find.ancestor(
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of: pageLabel,
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matching: find.byType(DecoratedBox),
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);
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final decoratedBoxes =
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decoratedAncestors
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.evaluate()
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.map((e) => e.widget)
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.whereType<DecoratedBox>()
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.toList();
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for (final d in decoratedBoxes) {
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final dec = d.decoration;
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if (dec is BoxDecoration && dec.color != null) {
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return dec.color;
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}
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}
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return null;
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}
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final theme = Theme.of(tester.element(pagesSidebar));
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// Initially, page 1 should be highlighted
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expect(tileBgForPage(1), theme.colorScheme.primaryContainer);
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// Scroll to make page 3 thumbnail visible
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await tester.drag(pagesSidebar, const Offset(0, -300));
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await tester.pumpAndSettle();
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final page3Thumbnail = find.text('3');
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expect(page3Thumbnail, findsOneWidget);
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await tester.tap(page3Thumbnail);
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await tester.pumpAndSettle();
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expect(container.read(pdfViewModelProvider).currentPage, 3);
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// After navigation completes, page 3 should be highlighted
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expect(tileBgForPage(3), theme.colorScheme.primaryContainer);
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});
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testWidgets('PDF View: thumbnails scroll and select', (tester) async {
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final pdfBytes =
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await File('integration_test/data/sample-local-pdf.pdf').readAsBytes();
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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: 3, bytes: pdfBytes),
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),
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pdfViewModelProvider.overrideWith(
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(ref) => PdfViewModel(ref, useMockViewer: false),
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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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locale: Locale('en'),
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home: PdfSignatureHomePage(
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onPickPdf: () async {},
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onClosePdf: () {},
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currentFile: XFile('test.pdf'),
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),
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),
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),
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);
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await tester.pumpAndSettle();
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final ctx = tester.element(find.byType(PdfSignatureHomePage));
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final container = ProviderScope.containerOf(ctx);
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expect(container.read(pdfViewModelProvider).currentPage, 1);
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final pagesSidebar = find.byType(PagesSidebar);
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expect(pagesSidebar, findsOneWidget);
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await tester.drag(pagesSidebar, const Offset(0, -200));
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await tester.pumpAndSettle();
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// Page number '1' may appear in multiple text widgets (e.g., overlay/toolbar); restrict to sidebar.
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final page1InSidebar = find.descendant(
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of: pagesSidebar,
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matching: find.text('1'),
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);
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expect(page1InSidebar, findsOneWidget);
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expect(container.read(pdfViewModelProvider).currentPage, 1);
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// Select page 2 thumbnail and verify page changes
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final page2InSidebar = find.descendant(
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of: pagesSidebar,
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matching: find.text('2'),
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);
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await tester.tap(page2InSidebar);
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await tester.pumpAndSettle();
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expect(container.read(pdfViewModelProvider).currentPage, 2);
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});
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testWidgets('PDF View: scroll thumb to reveal and select last page', (
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tester,
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) async {
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final pdfBytes =
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await File('integration_test/data/sample-local-pdf.pdf').readAsBytes();
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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: 3, bytes: pdfBytes),
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),
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pdfViewModelProvider.overrideWith(
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(ref) => PdfViewModel(ref, useMockViewer: false),
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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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locale: const Locale('en'),
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home: PdfSignatureHomePage(
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onPickPdf: () async {},
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onClosePdf: () {},
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currentFile: XFile('test.pdf'),
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),
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),
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),
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);
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await tester.pumpAndSettle();
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final ctx = tester.element(find.byType(PdfSignatureHomePage));
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final container = ProviderScope.containerOf(ctx);
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expect(container.read(pdfViewModelProvider).currentPage, 1);
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final pagesSidebar = find.byType(PagesSidebar);
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expect(pagesSidebar, findsOneWidget);
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// Ensure page 3 not initially in view by trying to find it and allowing that it might be offstage.
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// Perform a scroll/drag to bring page 3 into view.
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await tester.drag(pagesSidebar, const Offset(0, -400));
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await tester.pumpAndSettle();
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final page3 = find.descendant(of: pagesSidebar, matching: find.text('3'));
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expect(page3, findsOneWidget);
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await tester.tap(page3);
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await tester.pumpAndSettle();
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expect(container.read(pdfViewModelProvider).currentPage, 3);
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// Scroll back upward and verify selection persists.
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await tester.drag(pagesSidebar, const Offset(0, 300));
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await tester.pumpAndSettle();
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expect(container.read(pdfViewModelProvider).currentPage, 3);
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});
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}
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