Patrick Hund pahund

Software developer, cartoonist, electronic music producer.

pahund / thisWontWork.test.js

Created May 27, 2017 16:21

Using chai assertions with Jest's expect – this doesn't work because of short-hand arrow function

	describe('the result', () => it('is boolean value false', () =>
	expect(result).to.be.a('boolean').and.equal(false)
	));

pahund / setup.js

Created May 25, 2017 12:48

Creating a global variable for chai.expect

	const chai = require('chai');
	const sinonChai = require('sinon-chai');
	const chaiAsPromised = require('chai-as-promised');
	const chaiEnzyme = require('chai-enzyme');

	chai.use(sinonChai);
	chai.use(chaiAsPromised);
	chai.use(chaiEnzyme());

	global.chaiExpect = chai.expect;

pahund / externalsConverters.test.js

Created May 25, 2017 11:38

Chai assertion after running through the Jest code mod, fixed manually

	describe('When I call bool', () =>
	describe('with “TRUE”', () => {
	let result;
	beforeEach(() => result = bool('TRUE'));
	describe('the result', () => it('is boolean value true', () => {
	expect(typeof result).toBe('boolean');
	expect(result).toBe(true);
	}));
	})
	);

pahund / externalsConvertersTest.js

Created May 25, 2017 11:20

Original chai assertion before running through the Jest code mod

	describe('When I call bool', () =>
	describe('with “TRUE”', () => {
	let result;
	beforeEach(() => result = bool('TRUE'));
	describe('the result', () => it('is boolean value true', () =>
	result.should.be.a('boolean').and.equal(true)
	));
	})
	);

pahund / externalsConverters.test.js

Created May 25, 2017 11:17

Chai assertion after running through the Jest code mod

	describe('When I call bool', () =>
	describe('with “TRUE”', () => {
	let result;
	beforeEach(() => result = bool('TRUE'));
	describe('the result', () => it('is boolean value true', () =>
	expect(result).be.a('boolean').toBe(true)
	));
	})
	);

pahund / chai-example.test.js

Last active May 25, 2017 11:09

Example of Chai BDD assertion

	describe('the best flavor', () => it('is grapefruit', () =>
	bestLaCroixFlavor().should.be('grapefruit')
	));

pahund / jest-example.test.js

Last active May 25, 2017 10:41

Example for usage of expect in Jest (taken from Jest API docs)

	test('the best flavor is grapefruit', () =>
	expect(bestLaCroixFlavor()).toBe('grapefruit')
	);

pahund / .eslintrc

Last active May 25, 2017 10:44

Adding the ESLint Jest plugin

pahund / styleMock.js

Created May 25, 2017 08:36

Empty module for mocking Sass modules with Jest

module.exports = {};

pahund / package.json

Last active May 25, 2017 11:07

Setting up a Jest mock for React components styled with Sass

	"jest": {
	"moduleNameMapper": {
	"\\.scss$": "<rootDir>/test/styleMock.js"
	}
	}