105 lines
3.4 KiB
Dart
105 lines
3.4 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
import 'package:flutter_riverpod/flutter_riverpod.dart';
|
|
|
|
import 'package:pdf_signature/ui/features/pdf/widgets/pdf_page_area.dart';
|
|
import 'package:pdf_signature/data/repositories/pdf_repository.dart';
|
|
import 'package:pdf_signature/data/services/export_providers.dart';
|
|
import 'package:pdf_signature/l10n/app_localizations.dart';
|
|
import 'package:pdf_signature/data/model/model.dart';
|
|
|
|
class _TestPdfController extends PdfController {
|
|
_TestPdfController() : super() {
|
|
state = PdfState.initial().copyWith(
|
|
loaded: true,
|
|
pageCount: 6,
|
|
currentPage: 2,
|
|
);
|
|
}
|
|
}
|
|
|
|
void main() {
|
|
testWidgets(
|
|
'PdfPageArea: continuous mode scrolls target page into view on jump',
|
|
(tester) async {
|
|
final ctrl = _TestPdfController();
|
|
|
|
await tester.pumpWidget(
|
|
ProviderScope(
|
|
overrides: [
|
|
useMockViewerProvider.overrideWithValue(true),
|
|
// Continuous mode is always-on; no page view override needed
|
|
pdfProvider.overrideWith((ref) => ctrl),
|
|
],
|
|
child: MaterialApp(
|
|
localizationsDelegates: AppLocalizations.localizationsDelegates,
|
|
supportedLocales: AppLocalizations.supportedLocales,
|
|
locale: const Locale('en'),
|
|
home: const Scaffold(
|
|
body: Center(
|
|
child: SizedBox(
|
|
width: 800,
|
|
height: 520,
|
|
child: PdfPageArea(
|
|
pageSize: Size(676, 400),
|
|
onDragSignature: _noopOffset,
|
|
onResizeSignature: _noopOffset,
|
|
onConfirmSignature: _noop,
|
|
onClearActiveOverlay: _noop,
|
|
onSelectPlaced: _noopInt,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
// Get initial scroll position (may already have auto-scrolled to current page)
|
|
final listFinder = find.byKey(const Key('pdf_continuous_mock_list'));
|
|
expect(listFinder, findsOneWidget);
|
|
final scrollableFinder = find.descendant(
|
|
of: listFinder,
|
|
matching: find.byType(Scrollable),
|
|
);
|
|
double lastPixels =
|
|
tester.state<ScrollableState>(scrollableFinder).position.pixels;
|
|
|
|
Future<void> jumpAndVerify(int targetPage) async {
|
|
final before = lastPixels;
|
|
ctrl.jumpTo(targetPage);
|
|
await tester.pump();
|
|
await tester.pumpAndSettle(const Duration(milliseconds: 600));
|
|
|
|
// Verify with viewport geometry
|
|
final pageStack = find.byKey(ValueKey('page_stack_$targetPage'));
|
|
expect(pageStack, findsOneWidget);
|
|
|
|
final viewport = tester.getRect(listFinder);
|
|
final pageRect = tester.getRect(pageStack);
|
|
expect(
|
|
viewport.overlaps(pageRect),
|
|
isTrue,
|
|
reason: 'Page $targetPage should overlap viewport after jump',
|
|
);
|
|
|
|
final currentPixels =
|
|
tester.state<ScrollableState>(scrollableFinder).position.pixels;
|
|
// Ensure scroll position changed (direction not enforced)
|
|
expect(currentPixels, isNot(equals(before)));
|
|
lastPixels = currentPixels;
|
|
}
|
|
|
|
// Jump to 4 different pages and verify each
|
|
await jumpAndVerify(5);
|
|
await jumpAndVerify(1);
|
|
await jumpAndVerify(6);
|
|
await jumpAndVerify(3);
|
|
},
|
|
);
|
|
}
|
|
|
|
void _noop() {}
|
|
void _noopInt(int? _) {}
|
|
void _noopOffset(Offset _) {}
|