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vjeux avatar vjeux commented on April 19, 2024

I got the same issue and fixed it by unmocking React. See http://facebook.github.io/jest/docs/tutorial-react.html#setup Can you tell me if it fixes it

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feifanzhou avatar feifanzhou commented on April 19, 2024

Fantastic — that works, thanks! Is it a bug to be fixed, or is it intentional (and should be documented)?

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vjeux avatar vjeux commented on April 19, 2024

This is intentional, React is not meant to be mocked when tested against. But we can definitively do a better job at failing when it's not the case. This error is very cryptic

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jeffmo avatar jeffmo commented on April 19, 2024

Yea, I've been tracking this confusing error message here: #14

This week and last have been super busy for me, so I haven't had a chance to dive in to it just yet, but I'll throw it to the top of the queue since I think it should be a fairly simple fix.

If you have further questions or concerns, lets continue the thread in #14 to keep things centralized.

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feifanzhou avatar feifanzhou commented on April 19, 2024

Sounds good. I'd seen that issue earlier, but the title is misleading (in this case, there's nothing to do with module.exports). Maybe the scope/wording of #14 can be expanded?

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jeffmo avatar jeffmo commented on April 19, 2024

That's a good point -- I'll update the title

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mindjuice avatar mindjuice commented on April 19, 2024

I am seeing what appears to be the same issue in Jest V0.4, but I've added the unockedModulePathPatterns entry as @vjeux suggested. Here is the jest section from my package.json file:

"jest": {
  "scriptPreprocessor": "<rootDir>/preprocessor.js",
  "unmockedModulePathPatterns": [
    "<rootDir>/node_modules/react"
  ],
  "testFileExtensions": [
    "js"
  ],
  "moduleFileExtensions": [
    "js",
    "json"
  ]

I'm just using the test files at the moment with the CheckboxWithLabel component, and it is seg faulting. I'm just following this example: https://facebook.github.io/jest/docs/tutorial-react.html#content

node -v
v0.12.0

npm -v
2.5.1

jest -v
v0.4.0

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mindjuice avatar mindjuice commented on April 19, 2024

Seems I am probably seeing #243 / #266

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github-actions avatar github-actions commented on April 19, 2024

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.
Please note this issue tracker is not a help forum. We recommend using StackOverflow or our discord channel for questions.

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