debian-mirror-gitlab/spec/frontend/helpers/jest_helpers.js

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2019-09-04 21:01:54 +05:30
/* eslint-disable import/prefer-default-export */
/*
@module
This method provides convenience functions to help migrating from Karma/Jasmine to Jest.
Try not to use these in new tests - this module is provided primarily for convenience of migrating tests.
*/
/**
* Creates a plain JS object pre-populated with Jest spy functions. Useful for making simple mocks classes.
*
* @see https://jasmine.github.io/2.0/introduction.html#section-Spies:_%3Ccode%3EcreateSpyObj%3C/code%3E
* @param {string} baseName Human-readable name of the object. This is used for reporting purposes.
* @param methods {string[]} List of method names that will be added to the spy object.
*/
export function createSpyObj(baseName, methods) {
const obj = {};
methods.forEach(method => {
obj[method] = jest.fn().mockName(`${baseName}#${method}`);
});
return obj;
}