Jest Snapshot Testing for Storybook.
(Supports both React and React Native Storybook)
With StoryShots, you could use your existing Storybook stories as the input for Jest Snapshot Testing.
Now, we don't ship a CLI tool for storyshots. Check version 2.x for that.
First of all, you need to use the latest version of React Storybook. So, do this:
npm update @kadira/storybook
Then add the following NPM module into your app.
npm i -D storyshots
Usually, you might already have completed this step. If not, here are some resources for you.
- If you are using Create React App, it's already configured for Jest. You just need to create a filename with the extension
.test.js
. - Otherwise check this Egghead lesson.
Create a new test file with the name Storyshots.test.js
. (Or whatever the name you prefer).
Then add following content to it:
import initStoryshots from 'storyshots';
initStoryshots();
That's all.
Now run your Jest test command. (Usually, npm test
.) Then you can see all of your stories are converted as Jest snapshot tests.
By default Storyshots assume the default config directory path for your project as below:
- For React Storybook:
.storybook
- For React Native Storybook:
storybook
If you are using a different config directory path, you could change it like this:
initStoryshots({
configPath: '.my-storybook-config-dir'
});
By default, we group stories inside Jest test suit called "StoryShots". You could change it like this:
initStoryshots({
suit: 'MyStoryShots'
});
If you'd like to only run a subset of the stories for your snapshot tests:
initStoryshots({
storyRegex: /buttons/
});
Here is an example of a regex which does not pass if "Relay"
is in the name: /^((?!(r|R)elay).)*$/
.