279 lines
9.2 KiB
Dart
279 lines
9.2 KiB
Dart
import 'dart:convert';
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import 'dart:typed_data';
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import 'package:commons_core/commons_core.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_localizations/flutter_localizations.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:tane/data/export_import/inventory_json_codec.dart';
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import 'package:tane/db/database.dart';
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import 'package:tane/i18n/strings.g.dart';
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import 'package:tane/security/secure_key_store.dart';
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import 'package:tane/services/auto_backup_service.dart';
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import 'package:tane/services/auto_backup_store.dart';
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import 'package:tane/services/export_import_service.dart';
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import 'package:tane/services/file_service.dart';
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import 'package:tane/services/recovery_sheet_service.dart';
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import 'package:tane/ui/backup_section.dart';
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import 'package:tane/ui/settings_screen.dart';
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import '../support/test_support.dart';
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/// Records calls instead of opening real dialogs.
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class FakeFileService implements FileService {
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String? savedName;
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Uint8List? savedBytes;
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Uint8List? bytesToPick;
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@override
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Future<String?> saveFile({
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required String suggestedName,
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required Uint8List bytes,
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}) async {
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savedName = suggestedName;
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savedBytes = bytes;
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return '/picked/$suggestedName';
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}
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@override
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Future<Uint8List?> pickFileBytes({List<String>? allowedExtensions}) async =>
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bytesToPick;
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}
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void main() {
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late AppDatabase db;
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late FakeFileService files;
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late SecureKeyStore keys;
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late ExportImportService service;
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late RecoverySheetService sheet;
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setUp(() {
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db = newTestDatabase();
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files = FakeFileService();
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keys = SecureKeyStore(store: InMemorySecretStore());
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service = ExportImportService(
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repository: newTestRepository(db),
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files: files,
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keys: keys,
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);
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sheet = RecoverySheetService(files: files);
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});
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tearDown(() => db.close());
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Widget wrap(Widget child) {
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LocaleSettings.setLocaleSync(AppLocale.en);
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return TranslationProvider(
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child: MaterialApp(
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supportedLocales: AppLocaleUtils.supportedLocales,
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localizationsDelegates: const [
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GlobalMaterialLocalizations.delegate,
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GlobalWidgetsLocalizations.delegate,
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GlobalCupertinoLocalizations.delegate,
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],
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home: child,
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),
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);
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}
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Widget section() => wrap(
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Scaffold(
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body: BackupSection(service: service, sheet: sheet),
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),
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);
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testWidgets('settings shows the backup section with its actions', (
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tester,
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) async {
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await tester.binding.setSurfaceSize(const Size(800, 1400));
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addTearDown(() => tester.binding.setSurfaceSize(null));
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await tester.pumpWidget(wrap(SettingsScreen(exportImport: service)));
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expect(find.text('Backup & restore'), findsOneWidget);
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expect(find.text('Save a backup'), findsOneWidget);
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expect(find.text('Restore a backup'), findsOneWidget);
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expect(find.text('Your recovery code'), findsOneWidget);
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expect(find.text('Export to a spreadsheet'), findsOneWidget);
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expect(find.text('Import a list'), findsOneWidget);
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});
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testWidgets('spreadsheet export saves a .csv file and confirms', (
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tester,
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) async {
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await tester.pumpWidget(section());
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await tester.tap(find.text('Export to a spreadsheet'));
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await tester.pumpAndSettle();
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expect(files.savedName, endsWith('.csv'));
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expect(utf8.decode(files.savedBytes!), startsWith('variety_id,'));
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expect(find.text('Copy saved'), findsOneWidget);
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});
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testWidgets('saving a backup writes a sealed .tanemaki file', (tester) async {
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await tester.pumpWidget(section());
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await tester.tap(find.text('Save a backup'));
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await tester.pumpAndSettle();
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expect(files.savedName, endsWith('.tanemaki'));
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expect(BackupBox.looksSealed(files.savedBytes!), isTrue);
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expect(find.text('Copy saved'), findsOneWidget);
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});
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testWidgets('restoring my own sealed copy needs no code', (tester) async {
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final otherDb = newTestDatabase();
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addTearDown(otherDb.close);
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final otherFiles = FakeFileService();
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final mine = ExportImportService(
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repository: newTestRepository(otherDb, nodeId: 'other'),
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files: otherFiles,
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keys: keys, // same identity
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);
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final other = newTestRepository(otherDb, nodeId: 'other');
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await other.addQuickVariety(label: 'Imported bean');
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await mine.exportBackup();
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files.bytesToPick = otherFiles.savedBytes;
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await tester.pumpWidget(section());
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await tester.tap(find.text('Restore a backup'));
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await tester.pumpAndSettle();
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expect(find.text('Restore a backup?'), findsOneWidget);
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await tester.tap(find.text('Import'));
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await tester.pumpAndSettle();
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expect(find.text('Imported: 1 new, 0 updated'), findsOneWidget);
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final varieties = await db.select(db.varieties).get();
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expect(varieties.single.label, 'Imported bean');
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});
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testWidgets('a copy from another identity asks for the recovery code', (
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tester,
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) async {
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final otherDb = newTestDatabase();
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addTearDown(otherDb.close);
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final otherFiles = FakeFileService();
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final otherKeys = SecureKeyStore(store: InMemorySecretStore());
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final theirs = ExportImportService(
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repository: newTestRepository(otherDb, nodeId: 'other'),
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files: otherFiles,
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keys: otherKeys,
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);
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final other = newTestRepository(otherDb, nodeId: 'other');
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await other.addQuickVariety(label: 'Recovered bean');
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await theirs.exportBackup();
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final code = await theirs.recoveryCode();
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files.bytesToPick = otherFiles.savedBytes;
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await tester.pumpWidget(section());
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await tester.tap(find.text('Restore a backup'));
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await tester.pumpAndSettle();
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await tester.tap(find.text('Import'));
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await tester.pumpAndSettle();
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// Wrong seed → the code prompt appears; type the printed code.
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expect(find.text('Enter your recovery code'), findsOneWidget);
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await tester.enterText(find.byKey(const Key('backup.recoveryField')), code);
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await tester.tap(find.byKey(const Key('backup.recoveryConfirm')));
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await tester.pumpAndSettle();
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expect(find.text('Imported: 1 new, 0 updated'), findsOneWidget);
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final varieties = await db.select(db.varieties).get();
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expect(varieties.single.label, 'Recovered bean');
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// The identity travelled with the code.
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expect(await keys.rootSeedHex(), await otherKeys.rootSeedHex());
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});
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testWidgets('legacy plain exports still restore', (tester) async {
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final otherDb = newTestDatabase();
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addTearDown(otherDb.close);
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final other = newTestRepository(otherDb, nodeId: 'node-other');
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await other.addQuickVariety(label: 'Old bean');
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files.bytesToPick = utf8.encode(
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const InventoryJsonCodec().encode(await other.exportInventory()),
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);
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await tester.pumpWidget(section());
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await tester.tap(find.text('Restore a backup'));
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await tester.pumpAndSettle();
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await tester.tap(find.text('Import'));
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await tester.pumpAndSettle();
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expect(find.text('Imported: 1 new, 0 updated'), findsOneWidget);
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});
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testWidgets('an unreadable file reports a friendly error', (tester) async {
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files.bytesToPick = utf8.encode('this is not json');
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await tester.pumpWidget(section());
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await tester.tap(find.text('Restore a backup'));
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await tester.pumpAndSettle();
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await tester.tap(find.text('Import'));
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await tester.pumpAndSettle();
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expect(
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find.text('This file could not be read as a Tanemaki copy'),
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findsOneWidget,
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);
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});
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testWidgets('the recovery dialog shows the code and saves the sheet', (
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tester,
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) async {
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await tester.pumpWidget(section());
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await tester.tap(find.byKey(const Key('backup.recovery')));
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await tester.pumpAndSettle();
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final code = await service.recoveryCode();
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expect(find.text(code), findsOneWidget);
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await tester.tap(find.byKey(const Key('backup.recoverySave')));
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await tester.pumpAndSettle();
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expect(files.savedName, 'tanemaki-recovery.pdf');
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expect(String.fromCharCodes(files.savedBytes!.take(5)), '%PDF-');
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// The seed itself never appears in the clear in the PDF stream metadata;
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// the QR encodes the human code, which IS the secret — that's the point
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// of the sheet. Just assert it saved and confirmed.
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expect(find.text('Copy saved'), findsOneWidget);
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});
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testWidgets('tapping the automatic-backups line makes a copy now', (
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tester,
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) async {
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final spy = _SpyAutoBackup(db);
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await tester.pumpWidget(
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wrap(
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Scaffold(
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body: BackupSection(service: service, sheet: sheet, autoBackup: spy),
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),
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),
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);
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await tester.pump(); // resolve the "last copy" future
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await tester.tap(find.text('Automatic backups'));
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await tester.pumpAndSettle();
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expect(spy.calls, 1);
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expect(find.text('Copy saved'), findsOneWidget);
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});
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}
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/// Counts explicit "back up now" taps without touching the disk.
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class _SpyAutoBackup extends AutoBackupService {
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_SpyAutoBackup(AppDatabase db)
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: super(
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exporter: ExportImportService(
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repository: newTestRepository(db),
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files: FakeFileService(),
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keys: SecureKeyStore(store: InMemorySecretStore()),
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),
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store: AutoBackupStore(InMemorySecretStore()),
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directory: () async => throw UnimplementedError(),
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);
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int calls = 0;
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@override
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Future<bool> backupNow() async {
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calls++;
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return true;
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}
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}
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