217 lines
7.5 KiB
Dart
217 lines
7.5 KiB
Dart
// ignore_for_file: depend_on_referenced_packages
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import 'package:fake_async/fake_async.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:pj_supermarket_cloud/common/index.dart';
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PrintHistoryEntity _task(PrintStatus status) => PrintHistoryEntity(
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orderId: '8001',
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serviceOrderId: '8001',
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servicePrintId: '9001',
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invoiceUrl: 'https://example.test/invoice.png',
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printType: '1',
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status: status,
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createTime: DateTime(2026, 1, 1),
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);
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ServicePrintRecord _record(String status) => ServicePrintRecord(
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id: '9001',
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orderId: '8001',
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printType: '1',
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printNo: 1,
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retryVersion: 0,
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attemptCount: 0,
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status: status,
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);
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PrintAwaitTracker buildTracker(
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FakeAsync async, {
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required Future<List<PrintHistoryEntity>> Function(String orderId) taskReader,
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Future<List<ServicePrintRecord>> Function(String orderId)? recordsReader,
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bool Function()? availableReader,
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Future<void> Function()? pendingPuller,
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}) {
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// fake_async 只虚拟化 Timer，不虚拟化 DateTime.now；用固定起点 + 已流逝
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// 虚拟时长拼出与定时器同步推进的注入时钟。
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final baseTime = DateTime(2026, 1, 1);
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return PrintAwaitTracker(
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orderIds: const ['8001'],
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printType: '1',
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clock: () => baseTime.add(async.elapsed),
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taskReader: taskReader,
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recordsReader: recordsReader ?? (_) async => const [],
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availableReader: availableReader ?? (() => true),
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pendingPuller: pendingPuller ?? () async {},
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);
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}
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void main() {
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test('打印机物理不可用时直接进入 offline 终态', () {
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fakeAsync((async) {
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final tracker = buildTracker(
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async,
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taskReader: (_) async => [],
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availableReader: () => false,
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);
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tracker.start();
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expect(tracker.phase, PrintAwaitPhase.offline);
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expect(tracker.phase.isTerminal, isTrue);
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async.elapse(const Duration(seconds: 20));
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// offline 后不再轮询，阶段保持不变。
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expect(tracker.phase, PrintAwaitPhase.offline);
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tracker.dispose();
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});
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});
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test('本地任务从 NONE 变 SUCCESS 时经历 printing 后进入 done', () {
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fakeAsync((async) {
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var status = PrintStatus.NONE;
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final tracker =
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buildTracker(async, taskReader: (_) async => [_task(status)]);
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final phases = <PrintAwaitPhase>[];
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tracker.addListener(() => phases.add(tracker.phase));
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tracker.start();
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async.elapse(const Duration(seconds: 1));
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expect(tracker.phase, PrintAwaitPhase.printing);
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status = PrintStatus.SUCCESS;
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async.elapse(const Duration(seconds: 1));
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expect(tracker.phase, PrintAwaitPhase.done);
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expect(tracker.phase.isTerminal, isTrue);
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expect(phases,
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containsAll([PrintAwaitPhase.printing, PrintAwaitPhase.done]));
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tracker.dispose();
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});
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});
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test('寻单与补拉宽限内都没有任务才判定本单无需打印', () {
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fakeAsync((async) {
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var pullCount = 0;
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final tracker = buildTracker(
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async,
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taskReader: (_) async => [],
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pendingPuller: () async => pullCount++,
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);
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tracker.start();
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// 启动立即补拉一次。
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expect(pullCount, 1);
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async.elapse(const Duration(seconds: 3));
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expect(tracker.phase, PrintAwaitPhase.preparing);
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// 寻单窗口到期触发第二次补拉，进入宽限期。
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async.elapse(const Duration(seconds: 5));
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expect(pullCount, 2);
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expect(tracker.phase, PrintAwaitPhase.preparing);
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// 宽限期结束仍无任务痕迹才收尾。
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async.elapse(const Duration(seconds: 5));
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expect(pullCount, 2);
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expect(tracker.phase, PrintAwaitPhase.noPrintNeeded);
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tracker.dispose();
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});
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});
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test('MQTT 断连时补拉把任务落库后进入打印中', () {
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fakeAsync((async) {
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var hasTask = false;
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var pullCount = 0;
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Future<void> pull() async {
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pullCount++;
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// 寻单到期那次补拉成功把服务端待办拉回本地队列。
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if (pullCount >= 2) hasTask = true;
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}
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final tracker = buildTracker(
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async,
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taskReader: (_) async =>
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hasTask ? [_task(PrintStatus.NONE)] : const <PrintHistoryEntity>[],
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pendingPuller: pull,
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);
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tracker.start();
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async.elapse(const Duration(seconds: 3));
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expect(tracker.phase, PrintAwaitPhase.preparing);
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async.elapse(const Duration(seconds: 4));
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expect(hasTask, isTrue);
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expect(tracker.phase, PrintAwaitPhase.printing);
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tracker.dispose();
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});
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});
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test('服务端记录确认有票后暴露 taskLocated 供角标提前浮现', () {
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fakeAsync((async) {
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var located = false;
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final tracker = buildTracker(
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async,
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taskReader: (_) async => [],
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recordsReader: (_) async =>
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located ? [_record('0')] : const <ServicePrintRecord>[],
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);
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tracker.start();
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expect(tracker.taskLocated, isFalse);
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located = true;
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async.elapse(const Duration(seconds: 2));
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expect(tracker.taskLocated, isTrue);
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// 记录还是待生成状态，界面阶段保持准备中。
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expect(tracker.phase, PrintAwaitPhase.preparing);
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tracker.dispose();
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});
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});
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test('服务端已发布但本地未收到任务时保持准备中，不虚报打印中', () {
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fakeAsync((async) {
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var dispatched = false;
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final tracker = buildTracker(
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async,
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taskReader: (_) async => [],
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recordsReader: (_) async =>
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dispatched ? [_record('1')] : const <ServicePrintRecord>[],
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);
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tracker.start();
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dispatched = true;
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async.elapse(const Duration(seconds: 2));
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// 服务端 status '1' 只代表已发布；本地队列没有任务就不是真的在打印。
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expect(tracker.phase, PrintAwaitPhase.preparing);
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// 但任务存在已被确认，收银角标可以提前浮现"正在准备发票"。
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expect(tracker.taskLocated, isTrue);
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// 有票但本地一直收不到（MQTT 断连且补拉无果）时，等待到总上限收尾。
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async.elapse(const Duration(seconds: 14));
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expect(tracker.phase, PrintAwaitPhase.timeout);
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tracker.dispose();
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});
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});
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test('任务长时间未完成时在等待上限进入 timeout', () {
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fakeAsync((async) {
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final tracker = buildTracker(
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async, taskReader: (_) async => [_task(PrintStatus.NONE)]);
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tracker.start();
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async.elapse(const Duration(seconds: 14));
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expect(tracker.phase, PrintAwaitPhase.printing);
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async.elapse(const Duration(seconds: 2));
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expect(tracker.phase, PrintAwaitPhase.timeout);
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tracker.dispose();
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});
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});
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test('本地任务进入 ERROR 判定打印失败', () {
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fakeAsync((async) {
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final tracker = buildTracker(
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async, taskReader: (_) async => [_task(PrintStatus.ERROR)]);
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tracker.start();
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async.elapse(const Duration(seconds: 1));
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expect(tracker.phase, PrintAwaitPhase.failed);
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tracker.dispose();
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});
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});
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test('非期望凭证类型的任务不参与等待判定', () {
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fakeAsync((async) {
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final other = _task(PrintStatus.NONE)..printType = '2';
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final tracker =
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buildTracker(async, taskReader: (_) async => [other]);
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tracker.start();
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// 寻单窗口加补拉宽限全部走完，printType '2' 的兑换券任务对发票等待不可见。
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async.elapse(const Duration(seconds: 11));
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expect(tracker.phase, PrintAwaitPhase.noPrintNeeded);
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tracker.dispose();
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});
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});
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}
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