JFP*_*ard 1 karma-jasmine jasmine2.0 karma-webpack angular
我最近将我的项目从 angular 7 升级到了 angular 9。
当我运行测试 ( ng test) 时,我总是会http://localhost:9876/_karma_webpack_/附加到错误,因此在 Visual Studio 代码中,我们无法单击错误直接访问文件。
为了测试,我expect(2).toEqual(1);在app.component.spec.ts文件中添加了
例如,使用开箱即用的 angular 7 projet,我在 ng test 中收到此错误:
Chrome 81.0.4044 (Windows 10.0.0) AppComponent should have as title 'angular7app' FAILED
Expected 2 to equal 1.
at UserContext.<anonymous> (src/app/app.component.spec.ts:23:12)
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至于角度 9,我收到此错误:
Chrome 81.0.4044.122 (Windows 10) AppComponent should have as title 'untaire' FAILED
Error: Expected 2 to be 1.
at <Jasmine>
at UserContext.<anonymous> (http://localhost:9877/_karma_webpack_/src/app/app.component.spec.ts:23:12)
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当我检查 package.json 中的版本时,这些是影响 Karma 和 jasmine 的更改:
"@types/jasmine": "~2.8.8" to "~3.5.0"
"@types/jasminewd2": "~2.0.3" to "~2.0.3" (no changes)
"jasmine-core": "~2.99.1" to "~3.5.0"
"jasmine-spec-reporter": "~4.2.1", to "~4.2.1" (no changes)
"karma": "~4.0.0", to "~5.0.0"
"karma-chrome-launcher": "~2.2.0", to "~3.1.0"
"karma-coverage-istanbul-reporter": "~2.0.1", to "~2.1.0"
"karma-jasmine": "~1.1.2", to "~3.0.1"
"karma-jasmine-html-reporter": "^0.2.2", to "^1.4.2"
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我已经检查过,但在任何这些软件包中都没有发现有关这种新行为的任何信息
您可以添加到karma.conf.js配置属性formatError:
formatError: (msg) =>
msg.replace(/http:\/\/localhost:9876\/_karma_webpack_\//g, '')
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但不确定这是最佳实践,但是我无法在文档业力http://karma-runner.github.io/4.0/config/configuration-file.html 中搜索替代更改格式输出位置错误
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