mock-local-storage | Mock lodcalStorage for headless unit tests

by letsrock-today JavaScript Version: Current License: MIT

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Mock lodcalStorage for headless unit tests

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Community Discussions

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Why does Jest try running my whole app rather than the imported modules?

react 15.5.4 enzyme shallow and mount are not working

Errors with ES2015 transpiling; static proptypes, display names; configuring webpack, babel

QUESTION

Why does Jest try running my whole app rather than the imported modules?

Asked 2017-Dec-20 at 16:33

When I am trying to test a react component, I get errors from other components that are not imported into the tested module.

I would expect these errors to occur if I had imported the module as I am currently refactoring a lot of code and haven't got round to these files yet.

It's almost as if Jest is running all of my components before testing. Here is one of the test files that cause this issue:

...

ANSWER

Answered 2017-Dec-20 at 13:05

When you import a module, it will resolve all it's dependencies. Your AppWrap must import PaymentAccountForm at some point.

You can enable auto mock to narrow the depth, or you can mock all sub module manually with jest.mock both will replace module with a mocked version when it is being required.

Source https://stackoverflow.com/questions/47812931

QUESTION

react 15.5.4 enzyme shallow and mount are not working

Asked 2017-Jul-13 at 12:26

I'm trying to test my

component, but it seems that shallow and mount are not working. I read that in react v15.5.0 there are some updates, but I didn't understand how to make my tests work.

I'm using "react": "^15.5.4", and "enzyme": "^2.9.1",. If shallow or mount are not called, everything works. It was also tried installing "react-test-renderer": "^15.6.1",.

...

ANSWER

Answered 2017-Jul-11 at 19:25

You are trying to render invalid react component. Hard to say why but it looks like Header variable is not a valid react component. Your code looks okay and tests should work so it looks like problem is with importing / exporting.

You can try this just for a test

Source https://stackoverflow.com/questions/45042301

QUESTION

Errors with ES2015 transpiling; static proptypes, display names; configuring webpack, babel

Asked 2017-Jul-05 at 06:47

JS newb here:

I've spent a couple days on this bug, and I've looked at many answers and practiced my most earnest Google-Fu, and tried many different babel plugins and presets configurations, as well as tried migrating my webpack 1 project into a webpack 2 incarnation, and in the end I'm still hitting the same wall. Please give me an assist.

When I try to build my project, all open sourced here, and most recently active and relevant to this question in the webpack2migration branch, I've been unable to build for production (and not even dev after futzing more and more with it through unproductive debugging)

This is the error I haven't gotten around, admittedly because I don't understand some (maybe many) of the complexities in webpack and how babel is to be correctly configured for what I'm struggling with.

Here's the error:

...

ANSWER

Answered 2017-Jul-05 at 06:47

You code is importing separate source file from node_modules folder react-google-maps/*src*/lib/async/withScriptjs.js

But your webpack rules exclude files in node_modules from babel compilation process

Source https://stackoverflow.com/questions/44903913

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