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【Jest】SecurityError: localStorage is not available for opaque originsが出た時

JavaScript
Jest

Posted at 2021-03-07

エラー内容

 FAIL  test/unit/specs/HelloWorld.spec.js
  ● Test suite failed to run

    SecurityError: localStorage is not available for opaque origins
      
      at Window.get localStorage [as localStorage] (node_modules/jsdom/lib/jsdom/browser/Window.js:257:15)
          at Array.forEach (<anonymous>)

対応方法

jest.config.js に testURL: "http://localhost/" を追加

jest.config.js

module.exports = {
+ testURL: "http://localhost/",
  // ...
}

参考文献

jest : SecurityError: localStorage is not available for opaque origins #2304
jestで"SecurityError: localStorage is not available for opaque origins"と言われてテストがコケる

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