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Sathananthan Sabesan sabesansathananthan

Work

Software Engineer @syscolabs, Postgraduate of Computer Science and Engineering at University of Moratuwa.

sabesansathananthan / setup.js

Created September 22, 2021 07:52

mock network request in Jest

	import { JSDOM } from "jsdom";
	import { init } from "../../src/index";
	import axios from "axios";

	const config = {
	url: "https://www.example.com/",
	domain: "example.com",
	};
	const dom = new JSDOM("", config);
	global.document = dom.window.document;

sabesansathananthan / demo3.test.js

Created September 15, 2021 18:50

mock network request in Jest

	import { counter } from "./demo";
	import { request } from "./demo/wrap-request";

	jest.mock("./demo/wrap-request");

	describe("Simple mock", () => {
	it("test success", () => {
	request.mockImplementation(() => Promise.resolve({ result: 0 }));
	return counter(1, 2).then(res => {
	expect(res).toStrictEqual({ result: 0, msg: "success" });

sabesansathananthan / demo2.test.js

Created September 15, 2021 15:00

mock network request in Jest

	import { counter } from "./demo";
	import * as request from "./demo/wrap-request";

	jest.mock("./demo/wrap-request", () => {
	let hook = () => ({ result: 0 });
	return {
	setHook: cb => (hook = cb),
	request: (...args) => {
	return new Promise(resolve => {
	resolve(hook(...args));

sabesansathananthan / demo1.test.js

Created September 14, 2021 17:06

mock network request in Jest

	import { counter } from "./demo";
	import { request } from "./demo/wrap-request";

	jest.mock("./demo/wrap-request");

	describe("Simple mock", () => {
	it("test success", () => {
	request.mockResolvedValue({ result: 0 });
	return counter(1, 2).then(res => {
	expect(res).toStrictEqual({ result: 0, msg: "success" });

sabesansathananthan / setup.js

Created September 14, 2021 15:41

mock network request in Jest

	import { JSDOM } from "jsdom";

	const config = {
	url: "https://www.example.com/",
	domain: "example.com",
	};
	const dom = new JSDOM("", config);
	global.document = dom.window.document;
	global.document.domain = config.domain;
	global.window = dom.window;

sabesansathananthan / index.ts

Created September 14, 2021 15:32

mock network request in Jest

	import { request } from "./wrap-request";

	export const counter = (id: number, number: number): Promise<{ result: number; msg: string }> => {
	const operate = number > 0 ? 1 : -1;
	return request({
	url: "https://www.example.com/api/setCounter",
	method: "POST",
	data: { id, operate },
	})
	.then(res => {

sabesansathananthan / wrap-request.ts

Created September 14, 2021 15:26

mock network request in Jest

	import axios, { AxiosRequestConfig } from "axios";

	const instance = axios.create({
	timeout: 3000,
	});

	export const request = (options: AxiosRequestConfig): Promise<any> => {
	// do something wrap
	return instance.request(options).then(res => res.data);
	};

sabesansathananthan / jest.config.js

Created June 25, 2021 08:23

Enforce JavaScript Code Quality While Commit

	module.exports = {
	roots: ['<rootDir>/src'], // Find files in the src/root directory
	collectCoverage: true, // Statistical coverage
	coverageDirectory: 'coverage', // The folder where coverage results are output
	coverageThreshold: {
	// Total coverage requirements for all documents
	global: {
	branches: 80,
	functions: 80,
	lines: 80,

sabesansathananthan / Package.json

Last active June 25, 2021 07:08

Enforce JavaScript Code Quality While Commit

	{
	"scripts": {
	"test:staged": "jest --bail --findRelatedTests"
	},
	"lint-staged": {
	"src/*/.{js,jsx,ts,tsx}": ["npm run test:staged"]
	}
	}

sabesansathananthan / UseMouseLocation.html

Last active June 19, 2021 21:43

How React Components Are Reused