61 lines
2.1 KiB
Dart
61 lines
2.1 KiB
Dart
import 'dart:async';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:plezy/services/base_shared_preferences_service.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../test_helpers/prefs.dart';
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void main() {
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setUp(resetSharedPreferencesForTest);
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tearDown(BaseSharedPreferencesService.resetForTesting);
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test('failed shared cache load is coalesced but a later call retries', () async {
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final firstLoad = Completer<SharedPreferencesWithCache>();
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final originalError = StateError('preferences unavailable');
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final originalStackTrace = StackTrace.current;
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var loadCount = 0;
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BaseSharedPreferencesService.setCacheLoaderForTesting(() {
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loadCount++;
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if (loadCount == 1) return firstLoad.future;
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return SharedPreferencesWithCache.create(cacheOptions: const SharedPreferencesWithCacheOptions());
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});
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final firstCaller = BaseSharedPreferencesService.sharedCache();
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final concurrentCaller = BaseSharedPreferencesService.sharedCache();
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expect(identical(firstCaller, concurrentCaller), isTrue);
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expect(loadCount, 1);
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firstLoad.completeError(originalError, originalStackTrace);
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Object? caughtError;
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StackTrace? caughtStackTrace;
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try {
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await firstCaller;
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} catch (error, stackTrace) {
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caughtError = error;
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caughtStackTrace = stackTrace;
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}
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expect(identical(caughtError, originalError), isTrue);
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expect(caughtStackTrace.toString(), originalStackTrace.toString());
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final recovered = await BaseSharedPreferencesService.sharedCache();
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expect(loadCount, 2);
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await recovered.setBool('recovered', true);
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expect(recovered.getBool('recovered'), isTrue);
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});
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test('reset restores the production cache loader', () async {
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BaseSharedPreferencesService.setCacheLoaderForTesting(
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() => Future<SharedPreferencesWithCache>.error(StateError('injected failure')),
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);
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BaseSharedPreferencesService.resetForTesting();
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final cache = await BaseSharedPreferencesService.sharedCache();
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await cache.setString('loader', 'production');
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expect(cache.getString('loader'), 'production');
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});
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}
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