strudel-jest
This package provides jest config preset and helpers for writing unit tests for Strudel components.
Installation
To use strudel-jest you must have the following installed and configured:
- babel
- babel-jest
In order to use this package it must be transpiled by Babel, so please make sure that your babel config allows node_modules transpilation for test environment if you disabled it by deafult (snippet taken from jest docs):
"presets": "env" "modules": false "react" "env": "test": "presets": "env" "react"
Preset
Strudel-jest preset automatically adds required polyfills for Strudel to work in Jest environment. It also adds configuration property that causes js files to be transpiled by babel with babel-jest
To use strudel-jest preset add following property to your jest.config.js:
preset: 'strudel-jest'
Helpers
This package provides a createComponentWrapper helper for instantiating Strudel components which allows the tests to access DOM, Instance (with all of the methods) and Element (with all of the Strudel DOM API methods) of the component. Sample usage:
// HelloWorld.js; @ { this$element; } @ { this$element; } { return 'Hi!'; } ;
// HelloWorld.spec.js ;;let wrapper;