90 lines
3.3 KiB
Dart
90 lines
3.3 KiB
Dart
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// feature_auth 的高价值断言：
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// 1. 登录失败不能变成未捕获异常（"密码错了"不是崩溃），要留在 state 里展示。
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// 2. 提交中按钮必须置灰——门店网络慢，用户会反复点。
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import 'dart:async';
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import 'package:core_auth/core_auth.dart';
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import 'package:core_foundation/core_foundation.dart';
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import 'package:feature_auth/feature_auth.dart';
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// LoginPage 不对外导出（别的包没有直接构造它的正当理由），测试走 src。
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import 'package:feature_auth/src/presentation/login_page.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_test/flutter_test.dart';
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class _FailingRepo implements AuthRepository {
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/// 非 null 时 login 挂在这个 completer 上，用来观察"请求在途"这一帧。
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Completer<LoginResult>? gate;
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int calls = 0;
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String? lastUsername;
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@override
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Future<LoginResult> login({required String username, required String password}) {
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calls++;
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lastUsername = username;
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return gate?.future ?? Future<LoginResult>.error(const BusinessException(40101, '账号或密码错误'));
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}
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@override
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Future<UserContext> fetchCurrentUser() => throw UnimplementedError();
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@override
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Future<List<StoreContext>> fetchAccessibleStores() => throw UnimplementedError();
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@override
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Future<StoreContext> switchStore(int storeId) => throw UnimplementedError();
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@override
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Future<void> revokeSession() => throw UnimplementedError();
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}
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void main() {
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testWidgets('登录失败展示业务文案，不抛出未捕获异常', (WidgetTester tester) async {
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final _FailingRepo repo = _FailingRepo();
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await tester.pumpWidget(
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ProviderScope(
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overrides: [authRepositoryProvider.overrideWithValue(repo)],
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child: const MaterialApp(home: LoginPage()),
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),
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);
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// 前后空格是扫码枪/手动输入的常见污染，必须在提交前 trim。
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await tester.enterText(find.byKey(const Key('login_username')), ' clerk01 ');
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await tester.enterText(find.byKey(const Key('login_password')), 'pwd');
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await tester.tap(find.byKey(const Key('login_submit')));
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await tester.pump();
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expect(repo.lastUsername, 'clerk01');
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await tester.pumpAndSettle();
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expect(find.text('账号或密码错误'), findsOneWidget);
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expect(tester.takeException(), isNull);
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});
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testWidgets('提交中按钮置灰，重复点击不会重复发请求', (WidgetTester tester) async {
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final _FailingRepo repo = _FailingRepo()..gate = Completer<LoginResult>();
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await tester.pumpWidget(
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ProviderScope(
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overrides: [authRepositoryProvider.overrideWithValue(repo)],
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child: const MaterialApp(home: LoginPage()),
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),
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);
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await tester.tap(find.byKey(const Key('login_submit')));
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await tester.pump(); // 请求还挂在 gate 上，这一帧就是"提交中"
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final FilledButton button = tester.widget(find.byKey(const Key('login_submit')));
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expect(button.onPressed, isNull, reason: '门店网络慢，用户会反复点');
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await tester.tap(find.byKey(const Key('login_submit')), warnIfMissed: false);
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await tester.pump();
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expect(repo.calls, 1);
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repo.gate!.completeError(const BusinessException(40101, '账号或密码错误'));
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await tester.pumpAndSettle();
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});
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}
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