Consider waiting with `react-test-renderer` until it is ready?

[KnutHelland]

I can see react-test-renderer is included in the 0.3.0-alpha.

I tried the react-test-renderer first time today, and it hasn't been a friction-less experience so far. Are you sure that react-test-renderer is ready to be exposed to beginners?

See my other issue on react requesting documentation for react-test-renderer: facebook/react#7431

[gaearon]

I totally agree it needs more work. Can you compile a list of issues that you think are blockers for recommending it?

I still plan to ship Jest this week but I think we’ll downplay the snapshot testing part in the announcement, so that people can use the tools they’re comfortable with (like Enzyme) while snapshot testing issues are being solved.

[gaearon]

Oh, facebook/react#7431 is a good reference:

• The injectEnvironment called twice bug injectEnvironment called twice: react-test-renderer and react-dom react#7386
• The fact that refs is just null when rendered with react-test-renderer ReactTestRenderer doesn't work with refs or ReactDOM.findDOMNode react#7371
• When setting a ref on a dom element, React erroneously warns about stateless function components cannot be given refs. (also probably related to ReactTestRenderer doesn't work with refs or ReactDOM.findDOMNode react#7371)

We’ll want to have solutions/workarounds to these before recommending it.

cc @cpojer

[gaearon]

(The good part is that all of those issues are in react-test-renderer itself so it should be possible to update it independently from CRA.)

[gaearon]

FYI we’re going to release Jest integration now but downplay snapshot testing until it’s more polished.

[gaearon]

Closing, as we’re downplaying it in the docs, and will eventually highlight it when it’s more mature.

[ZacharyRSmith]

In case it helps anyone, I've found using enzyme + enzyme-to-json to be a fantastic alternative renderer for snapshot testing

[gaearon]

Snapshot rendering should actually be pretty stable / useable after React 15.4.1.
See this post for more info.