89 lines
3.1 KiB
Dart
89 lines
3.1 KiB
Dart
import 'dart:io';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:hepan_everyday/data/file_snapshot_store.dart';
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import 'package:hepan_everyday/domain/app_snapshot.dart';
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import 'package:hepan_everyday/domain/app_settings.dart';
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import '../domain/schedule_engine_test.dart' show course;
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void main() {
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late Directory directory;
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setUp(() async {
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directory = await Directory.systemTemp.createTemp('hepan-test-');
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});
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tearDown(() async {
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await directory.delete(recursive: true);
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});
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for (final badBackup in [false, true]) {
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test(
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'fresh recovery archives corrupt primary and ${badBackup ? 'corrupt' : 'missing'} backup before saving',
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() async {
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await File('${directory.path}/hepan_snapshot.json')
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.writeAsString('damaged primary');
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if (badBackup) {
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await File('${directory.path}/hepan_snapshot.bak')
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.writeAsString('damaged backup');
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}
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final store = FileSnapshotStore(directory);
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await expectLater(store.load(), throwsFormatException);
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await store.startFresh();
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final archives = await directory
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.list()
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.where((e) => e.path.contains('.damaged-'))
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.toList();
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expect(archives, hasLength(badBackup ? 2 : 1));
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final contents = await Future.wait(
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archives.map((e) => File(e.path).readAsString()),
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);
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expect(contents, contains('damaged primary'));
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if (badBackup) {
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expect(contents, contains('damaged backup'));
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}
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expect((await store.load())!.courses, isEmpty);
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await store.save(AppSnapshot(courses: [course()]));
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expect((await store.load())!.courses.single.id, 'math');
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},
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);
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}
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test(
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'reopening restores courses, settings and calendar identifiers',
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() async {
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final original = AppSnapshot(
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settings: const AppSettings(reminderMinutes: 30),
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courses: [course()],
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calendarEventIds: {'math/2026-09-09': '17'},
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);
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await FileSnapshotStore(directory).save(original);
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final loaded = await FileSnapshotStore(directory).load();
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expect(loaded, isNotNull);
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expect(loaded!.courses.single.name, '矩阵论');
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expect(loaded.settings.reminderMinutes, 30);
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expect(loaded.calendarEventIds, {'math/2026-09-09': '17'});
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},
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);
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test(
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'damaged snapshot reports failure instead of returning empty courses',
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() async {
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await File('${directory.path}/hepan_snapshot.json')
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.writeAsString('damaged');
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await expectLater(
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FileSnapshotStore(directory).load(),
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throwsFormatException,
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);
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},
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);
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test('valid previous snapshot is available for explicit recovery', () async {
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final store = FileSnapshotStore(directory);
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await store.save(
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AppSnapshot(settings: const AppSettings(reminderMinutes: 15)),
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);
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await store.save(
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AppSnapshot(settings: const AppSettings(reminderMinutes: 30)),
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);
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await File('${directory.path}/hepan_snapshot.json')
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.writeAsString('damaged');
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expect((await store.restoreBackup()).settings.reminderMinutes, 15);
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});
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}
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