[verified] Publish ReelBox source under GPLv3
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import 'dart:async';
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import 'package:dio/dio.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:reelbox/data/api_service.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'api_service_test.dart' as fixtures;
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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setUp(() => SharedPreferences.setMockInitialValues({}));
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test('Iran migration is restored by a fresh instance without contacting discovery', () async {
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final adapter = fixtures.StubAdapter(
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(request) => request.uri.host == 'ninnies-server.info'
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? ResponseBody.fromString(ApiService.defaultBaseUrl, 200)
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: fixtures.jsonBody([
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{'id': 1, 'title': 'Drama'},
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]),
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);
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await ApiService(dio: Dio()..httpClientAdapter = adapter).initialize();
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var reads = 0;
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final offline = fixtures.StubAdapter(
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(_) => throw StateError('No network permitted'),
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);
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final restored = ApiService(
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dio: Dio()..httpClientAdapter = offline,
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preferences: () async {
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reads++;
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return SharedPreferences.getInstance();
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},
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);
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await restored.initialize(discover: false);
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expect(reads, 1);
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expect(restored.baseUrl, ApiService.defaultBaseUrl);
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expect(offline.requests, isEmpty);
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});
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for (final value in [
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'broken',
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'https://untrusted.example/api/',
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'http://ninwinios.info/api/',
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'https://fixture:fixture@ninwinios.info/api/',
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'https://ninwinios.info/api/?x=1',
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'https://ninwinios.info/api/#fragment',
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'https://127.0.0.1/api/',
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'https://ninwinios.info:444/api/',
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]) {
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test(
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'invalid cached configuration cannot change the trusted destination: ${Uri.tryParse(value)?.host ?? 'malformed'}',
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() async {
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SharedPreferences.setMockInitialValues({
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'reelbox.trusted-api.v1': value,
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});
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final adapter = fixtures.StubAdapter(
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(_) => throw StateError('No network permitted'),
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);
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final api = ApiService(dio: Dio()..httpClientAdapter = adapter);
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await api.initialize(discover: false);
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expect(api.baseUrl, ApiService.defaultBaseUrl);
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expect(adapter.requests, isEmpty);
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},
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);
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}
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test(
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'removed discovery cannot contact an offline or invalid-schema server',
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() async {
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SharedPreferences.setMockInitialValues({
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'reelbox.trusted-api.v1': ApiService.defaultBaseUrl,
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});
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final offline = fixtures.StubAdapter(
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(r) => throw DioException(
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requestOptions: r,
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type: DioExceptionType.connectionError,
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),
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);
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final api = ApiService(dio: Dio()..httpClientAdapter = offline);
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await api.initialize();
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expect(api.baseUrl, ApiService.defaultBaseUrl);
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expect(offline.requests, isEmpty);
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expect(
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(await SharedPreferences.getInstance()).getString(
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'reelbox.trusted-api.v1',
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),
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isNull,
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);
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SharedPreferences.setMockInitialValues({});
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final invalid = fixtures.StubAdapter(
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(r) => r.uri.host == 'ninnies-server.info'
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? ResponseBody.fromString(ApiService.defaultBaseUrl, 200)
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: fixtures.jsonBody([]),
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);
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await ApiService(dio: Dio()..httpClientAdapter = invalid).initialize();
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expect(invalid.requests, isEmpty);
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expect(
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(await SharedPreferences.getInstance()).getString(
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'reelbox.trusted-api.v1',
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),
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isNull,
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);
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},
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);
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test(
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'read-only transport failure recovers once without a discovery storm',
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() async {
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var attempts = 0;
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final adapter = fixtures.StubAdapter((r) {
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if (++attempts == 1) {
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throw DioException(
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requestOptions: r,
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type: DioExceptionType.connectionError,
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);
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}
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return fixtures.jsonBody([
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{'id': 1, 'title': 'Drama'},
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]);
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});
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final result = await ApiService(dio: Dio()..httpClientAdapter = adapter)
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.genres();
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expect(result.single.title, 'Drama');
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expect(attempts, 2);
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expect(
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adapter.requests.every(
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(r) => r.uri.origin == 'https://reelbox.dartty.top',
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),
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true,
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);
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},
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);
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test('persistent transport failure is bounded to two GET attempts', () async {
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final adapter = fixtures.StubAdapter(
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(r) => throw DioException(
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requestOptions: r,
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type: DioExceptionType.receiveTimeout,
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),
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);
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await expectLater(
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ApiService(dio: Dio()..httpClientAdapter = adapter).genres(),
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throwsA(isA<ApiException>()),
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);
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expect(adapter.requests, hasLength(2));
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});
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for (final status in [401, 403, 404, 429, 500]) {
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test('HTTP $status is preserved without automatic retry', () async {
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final adapter = fixtures.StubAdapter(
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(_) => fixtures.jsonBody({}, status: status),
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);
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await expectLater(
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ApiService(dio: Dio()..httpClientAdapter = adapter).genres(),
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throwsA(
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isA<ApiException>().having((e) => e.statusCode, 'status', status),
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),
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);
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expect(adapter.requests, hasLength(1));
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});
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}
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for (final type in [
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DioExceptionType.cancel,
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DioExceptionType.badCertificate,
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]) {
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test('$type is never retried', () async {
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final adapter = fixtures.StubAdapter(
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(r) => throw DioException(requestOptions: r, type: type),
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);
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await expectLater(
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ApiService(dio: Dio()..httpClientAdapter = adapter).genres(),
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throwsA(isA<ApiException>()),
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);
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expect(adapter.requests, hasLength(1));
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});
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}
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test('POST transport failure is not replayed', () async {
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final adapter = fixtures.StubAdapter(
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(r) => throw DioException(
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requestOptions: r,
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type: DioExceptionType.connectionError,
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),
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);
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await expectLater(
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ApiService(dio: Dio()..httpClientAdapter = adapter)
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.post('genre/read', {'fixture': true}),
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throwsA(isA<ApiException>()),
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);
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expect(adapter.requests, hasLength(1));
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});
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test(
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'concurrent failed GETs share cache loading and each retry only once',
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() async {
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var reads = 0;
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final attempts = <String, int>{};
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final adapter = fixtures.StubAdapter((r) {
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final n = attempts.update(r.uri.path, (n) => n + 1, ifAbsent: () => 1);
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if (n == 1) {
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throw DioException(
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requestOptions: r,
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type: DioExceptionType.connectionError,
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);
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}
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return fixtures.jsonBody([]);
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});
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final cache = Completer<SharedPreferences>();
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final api = ApiService(
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dio: Dio()..httpClientAdapter = adapter,
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preferences: () {
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reads++;
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return cache.future;
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},
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);
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final requests = Future.wait([
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for (final n in [1, 2, 3]) api.get('fixture-$n'),
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]);
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await Future<void>.delayed(Duration.zero);
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cache.complete(await SharedPreferences.getInstance());
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await requests;
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expect(reads, 1);
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expect(attempts.values, everyElement(2));
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expect(adapter.requests, hasLength(6));
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},
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);
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test(
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'production default persists Iran without fetching remote configuration',
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() async {
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SharedPreferences.setMockInitialValues({});
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final adapter = fixtures.StubAdapter((request) {
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if (request.uri.host == 'ninnies-server.info') {
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return ResponseBody.fromString(ApiService.defaultBaseUrl, 200);
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}
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return fixtures.jsonBody([
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{'id': 1, 'title': 'Drama'},
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]);
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});
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final api = ApiService(dio: Dio()..httpClientAdapter = adapter);
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await api.initialize();
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final preferences = await SharedPreferences.getInstance();
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expect(
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preferences.getString('reelbox.api-selection.v1'),
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'primary',
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);
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expect(preferences.getString('reelbox.trusted-api.v1'), isNull);
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expect(adapter.requests, isEmpty);
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},
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);
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}
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