88 lines
2.9 KiB
Dart
88 lines
2.9 KiB
Dart
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:pdf_signature/ui/features/pdf/widgets/pdf_page_area.dart';
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import 'package:pdf_signature/ui/features/pdf/view_model/view_model.dart';
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import 'package:pdf_signature/data/services/export_providers.dart';
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import 'package:pdf_signature/l10n/app_localizations.dart';
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import 'package:pdf_signature/data/model/model.dart';
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import 'package:pdf_signature/data/services/preferences_providers.dart';
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class _TestPdfController extends PdfController {
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_TestPdfController() : super() {
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state = PdfState.initial().copyWith(
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loaded: true,
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pageCount: 6,
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currentPage: 1,
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);
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}
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}
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void main() {
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testWidgets('PdfPageArea: early jump queues and scrolls once list builds', (
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tester,
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) async {
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final ctrl = _TestPdfController();
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// Build the widget tree
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await tester.pumpWidget(
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ProviderScope(
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overrides: [
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useMockViewerProvider.overrideWithValue(true),
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pageViewModeProvider.overrideWithValue('continuous'),
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pdfProvider.overrideWith((ref) => ctrl),
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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: const Scaffold(
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body: Center(
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child: SizedBox(
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width: 800,
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height: 520,
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child: PdfPageArea(
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pageSize: Size(676, 400),
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onDragSignature: _noopOffset,
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onResizeSignature: _noopOffset,
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onConfirmSignature: _noop,
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onClearActiveOverlay: _noop,
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onSelectPlaced: _noopInt,
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),
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),
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),
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),
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),
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),
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);
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// Trigger an early jump immediately after first pump, before settle.
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ctrl.jumpTo(5);
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// Now allow frames to build and settle
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await tester.pump();
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await tester.pumpAndSettle(const Duration(milliseconds: 800));
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// Validate that page 5 is in view and scroll offset moved.
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final listFinder = find.byKey(const Key('pdf_continuous_mock_list'));
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expect(listFinder, findsOneWidget);
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final scrollableFinder = find.descendant(
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of: listFinder,
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matching: find.byType(Scrollable),
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);
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final pos = tester.state<ScrollableState>(scrollableFinder).position;
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expect(pos.pixels, greaterThan(0));
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final pageStack = find.byKey(const ValueKey('page_stack_5'));
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expect(pageStack, findsOneWidget);
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final viewport = tester.getRect(listFinder);
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final pageRect = tester.getRect(pageStack);
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expect(viewport.overlaps(pageRect), isTrue);
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});
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}
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void _noop() {}
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void _noopInt(int? _) {}
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void _noopOffset(Offset _) {}
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