87 lines
3.3 KiB
Dart
87 lines
3.3 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_screen.dart';
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import 'package:pdf_signature/ui/features/pdf/view_model/pdf_controller.dart';
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import 'package:pdf_signature/data/model/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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class _TestPdfController extends PdfController {
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_TestPdfController() : super() {
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// Start with a loaded multi-page doc, page 1 of 5
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state = PdfState.initial().copyWith(
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loaded: true,
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pageCount: 5,
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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('PDF navigation: prev/next and goto update page label', (
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tester,
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) async {
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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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pdfProvider.overrideWith((ref) => _TestPdfController()),
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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 PdfSignatureHomePage(),
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),
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),
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);
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// Initial label and page list exists (continuous mock)
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expect(find.byKey(const Key('lbl_page_info')), findsOneWidget);
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Text label() => tester.widget<Text>(find.byKey(const Key('lbl_page_info')));
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expect(label().data, equals('Page 1/5'));
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expect(find.byKey(const Key('pdf_continuous_mock_list')), findsOneWidget);
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// Next
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await tester.tap(find.byKey(const Key('btn_next')));
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await tester.pumpAndSettle();
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expect(label().data, equals('Page 2/5'));
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expect(find.byKey(const Key('pdf_continuous_mock_list')), findsOneWidget);
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// Prev
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await tester.tap(find.byKey(const Key('btn_prev')));
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await tester.pumpAndSettle();
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expect(label().data, equals('Page 1/5'));
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expect(find.byKey(const Key('pdf_continuous_mock_list')), findsOneWidget);
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// Goto specific page
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await tester.tap(find.byKey(const Key('txt_goto')));
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await tester.pumpAndSettle();
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await tester.enterText(find.byKey(const Key('txt_goto')), '4');
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await tester.testTextInput.receiveAction(TextInputAction.done);
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await tester.pumpAndSettle();
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expect(label().data, equals('Page 4/5'));
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expect(find.byKey(const Key('pdf_continuous_mock_list')), findsOneWidget);
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// Goto beyond upper bound -> clamp to 5
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await tester.tap(find.byKey(const Key('txt_goto')));
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await tester.pumpAndSettle();
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await tester.enterText(find.byKey(const Key('txt_goto')), '999');
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await tester.testTextInput.receiveAction(TextInputAction.done);
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await tester.pumpAndSettle();
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expect(label().data, equals('Page 5/5'));
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expect(find.byKey(const Key('pdf_continuous_mock_list')), findsOneWidget);
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// Goto below 1 -> clamp to 1
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await tester.tap(find.byKey(const Key('txt_goto')));
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await tester.pumpAndSettle();
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await tester.enterText(find.byKey(const Key('txt_goto')), '0');
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await tester.testTextInput.receiveAction(TextInputAction.done);
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await tester.pumpAndSettle();
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expect(label().data, equals('Page 1/5'));
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expect(find.byKey(const Key('pdf_continuous_mock_list')), findsOneWidget);
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});
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}
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