Cannot read property '_reactInternalFiber' of null

[Alevale]

I updated storybook to the latest version 5.1.11 from 3.3.0-alpha.4, also I updated all of the dependencies.

Now I have a really strange issue...
When I am using mount to test the component. It happens the following.

• The component doesn't show up in the preview
• The error doesn't show up in the spec viewer.
• I get the following message in the console Cannot read property '_reactInternalFiber' of null

If I use shallow everything works fine.

Also, if I change something in a file, and storybook reloads, the preview is working again, and the only issue is that some of the tests aren't passing, and saying Method “props” is meant to be run on 1 node. 0 found instead.

Anybody updated to latests in storybook and all went smooth with this plugin?

[zachmanring-natgeo]

same issue, following.

[theluk]

can confirm, that the error "Cannot read property '_reactInternalFiber' of null" is occuring

"react": "16.8.6",
"react-dom": "16.8.6",
"@storybook/react": "^5.3.8",
"storybook-addon-specifications": "^2.1.3",

[Alevale]

At the end what I did was to disable this plugin, and just write them using Jest.

[carmenchapa]

Any update on this? Is still happening

[wlemahieu]

I'm new to Storybook but have set-up Enzyme testing environments successfully a few times. I'm also running into this strange issue. My setup:

enzyme 3.11.0
enzyme-adapter-react-16 1.15.2
react 16.12.0 (and tried 16.9.0)
react-dom 16.12.0 (and tried 16.9.0)
@storybook/addon-storyshots 5.3.13
@storybook/react 5.3.13
storybook-addon-specifications 2.1.5

Hooking up Storybook to @testing-library/react works, but Enzyme is returning Cannot read property '_reactInternalFiber' of null when attempting to enzyme mount() a component.

This thread seems related, but I tend to think the issue is on the storybook side of things.
enzymejs/enzyme#2246

[mica16]

Some news elsewhere on this issue?
I'm still experiencing it right now.

[Alevale]

What I did to circumvent the issue was to run a fake mount at the beginning of the build and then later run the rest as usual, not a good fix but it’s something...
Eventually I’ll remove it from my project ad it’s not what i want...