Jest is a testing library by Facebook that aims to make the process of testing pain-free. As with Facebook projects, it provides a great development experience out of the box. Tests can be run in parallel resulting in shorter duration. During watch mode, by default, only the tests for the changed files are run. One particular feature we like is "Snapshot Testing". Jest can save the generated output of your React... - Source: dev.to / 4 months ago
I've started using Jest a lot in a new project, and I am now using the Snapshot functionality of Jest. - Source: Reddit / 11 months ago
I've been using Jest and Enzyme to write tests for my React components build with the awesome Styled Components library. - Source: Reddit / 11 months ago
I'm using jest to write tests in my ReactJS application. So far, to run my test suite, I need to type 'npm test'. - Source: Reddit / 12 months ago
In my Jest unit test I am rendering a component with a ColorPicker. The ColorPicker component creates a canvas object and 2d context but returns 'undefined' which throws an error "Cannot set property 'fillStyle' of undefined". - Source: Reddit / about 1 year ago
I'm using Enzyme with enzyme-to-json to do Jest snapshot testing of my React components. I'm testing shallow snapshots of a DateRange component that renders a display field with the current range (e.g. 5/20/2016 - 7/18/2016) and two DateInput components that allow selecting a Date value. This means that my snapshot contains the Dates I pass to the component both in the DateInput props and in a text representation... - Source: Reddit / about 1 year ago
Frisby.js an API testing tool built on top of Jest that makes testing API endpoints easy Fast and fun. - Source: dev.to / almost 2 years ago
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