333 lines
10 KiB
Dart
333 lines
10 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:typed_data';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:hepan_everyday/features/feedback/feedback_http_sender.dart';
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import 'package:hepan_everyday/features/feedback/feedback_submission.dart';
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class FakeFeedbackHttpTransport implements FeedbackHttpTransport {
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int calls = 0;
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Uri? endpoint;
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Map<String, String>? headers;
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Uint8List? body;
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FeedbackHttpResponse response = FeedbackHttpResponse(
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200,
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utf8.encode('{"success":true,"submission_id":"same-id","status":"sent"}'),
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);
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Completer<FeedbackHttpResponse>? pending;
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@override
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Future<FeedbackHttpResponse> post({
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required Uri endpoint,
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required Map<String, String> headers,
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required Uint8List body,
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required Duration timeout,
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}) async {
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calls++;
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this.endpoint = endpoint;
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this.headers = headers;
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this.body = body;
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return pending == null ? response : await pending!.future;
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}
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}
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void main() {
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test('diagnostics use a separate UTF8 attachment field', () async {
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final transport = FakeFeedbackHttpTransport();
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await HttpFeedbackSender(
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endpoint: 'https://example.com/v1/feedback',
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transport: transport,
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).send(
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FeedbackSubmission.problem(
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id: 'same-id',
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message: '问题',
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diagnosticLog: Uint8List.fromList(
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utf8.encode('TPSchedule diagnostic log\nlogin_opened'),
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),
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),
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);
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final body = utf8.decode(transport.body!);
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expect(
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body,
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contains('name="diagnostics"; filename="TPSchedule-diagnostics.txt"'),
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);
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expect(body, contains('login_opened'));
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});
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test(
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'matching uncertain delivery is distinct and never exposes server detail',
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() async {
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final transport = FakeFeedbackHttpTransport();
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final sender = HttpFeedbackSender(
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endpoint: 'https://example.com/v1/feedback',
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transport: transport,
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);
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final submission = FeedbackSubmission.problem(
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id: 'same-id',
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message: '问题',
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);
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for (final code in ['delivery_uncertain', 'storage_unavailable']) {
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transport.response = FeedbackHttpResponse(
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503,
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utf8.encode(
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jsonEncode({
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'success': false,
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'error': code,
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'detail': 'private SMTP error',
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'submission_id': 'same-id',
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'status': 'uncertain',
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}),
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),
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);
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await expectLater(
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sender.send(submission),
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throwsA(
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isA<FeedbackDeliveryUncertain>()
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.having((error) => error.submissionId, 'original ID', 'same-id')
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.having(
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(error) => error.message,
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'safe instructions',
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allOf(
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contains('请勿修改'),
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isNot(contains('private SMTP error')),
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),
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),
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),
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);
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}
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transport.response = FeedbackHttpResponse(
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503,
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utf8.encode(
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jsonEncode({
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'success': false,
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'error': 'delivery_uncertain',
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'submission_id': 'other-id',
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'status': 'uncertain',
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}),
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),
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);
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await expectLater(
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sender.send(submission),
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throwsA(
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allOf(
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isA<FeedbackException>(),
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isNot(isA<FeedbackDeliveryUncertain>()),
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),
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),
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);
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},
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);
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test(
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'permanent media/validation failures give actionable safe messages',
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() async {
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final transport = FakeFeedbackHttpTransport();
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final sender = HttpFeedbackSender(
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endpoint: 'https://example.com/v1/feedback',
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transport: transport,
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);
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final submission = FeedbackSubmission.problem(
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id: 'same-id',
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message: '问题',
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);
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for (final rejection in [
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(status: 415, code: 'unsupported_media', expected: '移除附件'),
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(status: 422, code: 'validation_error', expected: '必填内容'),
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]) {
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transport.response = FeedbackHttpResponse(
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rejection.status,
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utf8.encode(
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jsonEncode({
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'success': false,
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'error': rejection.code,
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'detail': 'untrusted detail',
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}),
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),
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);
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await expectLater(
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sender.send(submission),
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throwsA(
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isA<FeedbackException>().having(
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(error) => error.message,
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'actionable message',
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allOf(
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contains(rejection.expected),
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isNot(contains('untrusted detail')),
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),
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),
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),
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);
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}
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transport.response = FeedbackHttpResponse(
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503,
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utf8.encode(
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jsonEncode({
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'success': false,
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'error': 'smtp_unavailable',
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'submission_id': 'same-id',
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'status': 'retryable',
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}),
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),
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);
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await expectLater(
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sender.send(submission),
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throwsA(
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allOf(
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isA<FeedbackException>().having(
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(error) => error.message,
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'safe retry',
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contains('原提交'),
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),
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isNot(isA<FeedbackDeliveryUncertain>()),
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),
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),
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);
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},
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);
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test('requires HTTPS before contacting transport', () async {
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final transport = FakeFeedbackHttpTransport();
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final submission = FeedbackSubmission.problem(id: 'same-id', message: '问题');
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for (final endpoint in [
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'',
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'http://example.com/v1/feedback',
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'https://user:pass@example.com/v1/feedback',
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]) {
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await expectLater(
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HttpFeedbackSender(
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endpoint: endpoint,
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transport: transport,
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).send(submission),
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throwsA(isA<FeedbackException>()),
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);
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}
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expect(transport.calls, 0);
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});
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test(
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'problem multipart contains relevant fields and repeated media parts',
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() async {
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final transport = FakeFeedbackHttpTransport();
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final file = await FeedbackAttachment.read(
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name: 'x.png',
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stream: Stream.value([1, 2, 3]),
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);
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final sender = HttpFeedbackSender(
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endpoint: 'https://example.com/v1/feedback',
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transport: transport,
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);
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await sender.send(
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FeedbackSubmission.problem(
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id: 'same-id',
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message: ' 问题 ',
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attachments: [file, file],
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),
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);
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final body = utf8.decode(transport.body!, allowMalformed: true);
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expect(body, contains('name="submission_id"\r\n\r\nsame-id'));
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expect(body, contains('name="type"\r\n\r\nproblem'));
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expect(body, contains('name="message"\r\n\r\n问题'));
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expect(body, isNot(contains('name="school"')));
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expect(body, isNot(contains('name="contact"')));
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expect('name="attachments"'.allMatches(body), hasLength(2));
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expect(body, contains('Content-Type: image/png'));
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expect(
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transport.headers!['Content-Type'],
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startsWith('multipart/form-data; boundary='),
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);
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expect(transport.headers!.keys, isNot(contains('Authorization')));
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},
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);
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test('development multipart sends school and contact without problem/media fields', () async {
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final transport = FakeFeedbackHttpTransport();
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final sender = HttpFeedbackSender(
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endpoint: 'https://example.com/v1/feedback',
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transport: transport,
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);
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await sender.send(
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FeedbackSubmission.development(
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id: 'same-id',
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school: '某大学',
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contact: 'QQ 123',
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),
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);
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final body = utf8.decode(transport.body!);
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expect(body, contains('name="type"\r\n\r\ndevelopment'));
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expect(body, contains('name="school"\r\n\r\n某大学'));
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expect(body, contains('name="contact"\r\n\r\nQQ 123'));
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expect(body, isNot(contains('name="message"')));
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expect(body, isNot(contains('name="attachments"')));
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});
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test('only matching confirmed sent response is successful', () async {
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final transport = FakeFeedbackHttpTransport();
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final sender = HttpFeedbackSender(
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endpoint: 'https://example.com/v1/feedback',
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transport: transport,
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);
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final submission = FeedbackSubmission.problem(id: 'same-id', message: '问题');
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for (final response in [
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FeedbackHttpResponse(200, utf8.encode('{"success":true}')),
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FeedbackHttpResponse(
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200,
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utf8.encode('{"success":true,"submission_id":"other","status":"sent"}'),
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),
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FeedbackHttpResponse(
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200,
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utf8.encode(
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'{"success":true,"submission_id":"same-id","status":"queued"}',
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),
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),
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FeedbackHttpResponse(
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200,
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utf8.encode(
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'{"success":false,"submission_id":"same-id","status":"sent"}',
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),
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),
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FeedbackHttpResponse(
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500,
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utf8.encode(
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'{"success":true,"submission_id":"same-id","status":"sent"}',
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),
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),
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FeedbackHttpResponse(200, utf8.encode('bad JSON')),
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FeedbackHttpResponse(200, Uint8List(65537)),
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]) {
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transport.response = response;
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await expectLater(
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sender.send(submission),
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throwsA(isA<FeedbackException>()),
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);
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}
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});
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test(
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'timeout exposes safe error and repeated request keeps submission ID',
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() async {
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final transport = FakeFeedbackHttpTransport()
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..pending = Completer<FeedbackHttpResponse>();
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final sender = HttpFeedbackSender(
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endpoint: 'https://example.com/v1/feedback',
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transport: transport,
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timeout: const Duration(milliseconds: 1),
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);
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final submission = FeedbackSubmission.problem(
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id: 'same-id',
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message: '问题',
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);
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await expectLater(
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sender.send(submission),
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throwsA(isA<FeedbackException>()),
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);
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transport.pending = null;
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await sender.send(submission);
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expect(transport.calls, 2);
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expect(
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utf8.decode(transport.body!),
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contains('name="submission_id"\r\n\r\nsame-id'),
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);
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},
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);
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}
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