问错误“缺失:SyncTestZoneSpec”在有角4的业力测试中
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Stack Overflow用户

提问于 2018-06-20 06:33:36

回答 1查看 1.1K关注 0票数 2

第一件事:我的项目在分支/develop上完全正常，测试通过等等。

我创建了一个分支来清理imports并在每次访问类时使用别名而不是../../../../。我将它添加到tsconfig.json中：

"baseUrl": "src",
    "paths": {
      "@app/*": [
        "app/*"
      ],
      "@core/*": [
        "app/core/*"
      ],
      "@common/*": [
        "app/common/*"
      ],
      "@models/*": [
        "app/models/*"
      ],
      "@env/*": [
        "environments/*"
      ],
      "@assets/*": [
        "assets/*"
      ]
    }

我刚刚完成了测试，但是当使用简单的npm run test执行测试时，它会做一些类似于thiis的事情，比如karma start ./karma.conf.js --log-level error，我得到了这个错误：

HeadlessChrome 67.0.3396 (Windows 10.0.0) ERROR
  Uncaught Error: Missing: SyncTestZoneSpec
  at http://localhost:9876/_karma_webpack_/vendor.bundle.js:270128

我所改变的只是我上面告诉我的，这个错误告诉我什么？

编辑:使用github链接进行更正

通过将zone.js版本更新为0.8.26纠正了此问题，并仅用一行替换了test.ts中的导入：

import 'zone.js/dist/zone-testing';

但是现在我得到了所有测试的错误：

HeadlessChrome 67.0.3396 (Windows 10.0.0) SomeService #getCurrentUser should return user object FAILED
        TypeError: Cannot read property 'assertPresent' of undefined
            at resetFakeAsyncZone node_modules/@angular/core/@angular/core/testing.es5.js:308:1)
            at Object.<anonymous> node_modules/@angular/core/@angular/core/testing.es5.js:1015:1)
            at ZoneQueueRunner.webpackJsonp../node_modules/zone.js/dist/zone-testing.js.jasmine.QueueRunner.ZoneQueueRunner.execute node_modules/zone.js/dist/zone-testing.js:437:1)
HeadlessChrome 67.0.3396 (Windows 10.0.0): Executed 120 of 120 (120 FAILED) ERROR (4.725 secs / 4.633 secs)

关于github的相关问题，但目前还没有解决方案。

我的test.ts的内容：

// This file is required by karma.conf.js and loads recursively all the .spec and framework files
import { getTestBed } from '@angular/core/testing';
import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing';

import 'zone.js/dist/zone-testing';

// Unfortunately there's no typing for the `__karma__` variable. Just declare it as any.
declare const __karma__: any;
declare const require: any;

// Prevent Karma from running prematurely.
__karma__.loaded = function () {};

// First, initialize the Angular testing environment.
getTestBed().initTestEnvironment(
  BrowserDynamicTestingModule,
  platformBrowserDynamicTesting()
);
// Then we find all the tests.
const context = require.context('./', true, /\.spec\.ts$/);
// And load the modules.
context.keys().map(context);
// Finally, start Karma to run the tests.
__karma__.start();

karma-jasmine

javascript

angular

typescript

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回答 1

Stack Overflow用户

发布于 2018-06-28 05:42:45

尝试将zone-testing导入移到第一批导入之一，如下所示：

// This file is required by karma.conf.js and loads recursively all the .spec and framework files
import 'zone.js/dist/zone-testing';
import { getTestBed } from '@angular/core/testing';
import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from 
'@angular/platform-browser-dynamic/testing';