first commit

tests/e2e/helpers/basic-auth.js

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+const path = require("path");
+const auth = require("express-basic-auth");
+const express = require("express");
+const app = express();
+
+const basicAuth = auth({
+	realm: "MagicMirror² Area restricted.",
+	users: { MagicMirror: "CallMeADog" }
+});
+
+app.use(basicAuth);
+
+// Set available directories
+const directories = ["/tests/configs", "/tests/mocks"];
+const rootPath = path.resolve(`${__dirname}/../../../`);
+
+for (let directory of directories) {
+	app.use(directory, express.static(path.resolve(rootPath + directory)));
+}
+
+let server;
+
+exports.listen = (...args) => {
+	server = app.listen.apply(app, args);
+};
+
+exports.close = async () => {
+	await server.close();
+};

tests/e2e/helpers/global-setup.js

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+const jsdom = require("jsdom");
+const corefetch = require("fetch");
+
+exports.startApplication = async (configFilename, exec) => {
+	jest.resetModules();
+	if (global.app) {
+		await this.stopApplication();
+	}
+	// Set config sample for use in test
+	if (configFilename === "") {
+		process.env.MM_CONFIG_FILE = "config/config.js";
+	} else {
+		process.env.MM_CONFIG_FILE = configFilename;
+	}
+	if (exec) exec;
+	global.app = require("../../../js/app");
+
+	return global.app.start();
+};
+
+exports.stopApplication = async () => {
+	if (!global.app) {
+		return Promise.resolve();
+	}
+	await global.app.stop();
+	delete global.app;
+};
+
+exports.getDocument = () => {
+	return new Promise((resolve) => {
+		const url = `http://${config.address || "localhost"}:${config.port || "8080"}`;
+		jsdom.JSDOM.fromURL(url, { resources: "usable", runScripts: "dangerously" }).then((dom) => {
+			dom.window.name = "jsdom";
+			dom.window.fetch = corefetch;
+			dom.window.onload = () => {
+				global.document = dom.window.document;
+				resolve();
+			};
+		});
+	});
+};
+
+exports.waitForElement = (selector, ignoreValue = "") => {
+	return new Promise((resolve) => {
+		let oldVal = "dummy12345";
+		const interval = setInterval(() => {
+			const element = document.querySelector(selector);
+			if (element) {
+				let newVal = element.textContent;
+				if (newVal === oldVal) {
+					clearInterval(interval);
+					resolve(element);
+				} else {
+					if (ignoreValue === "") {
+						oldVal = newVal;
+					} else {
+						if (!newVal.includes(ignoreValue)) oldVal = newVal;
+					}
+				}
+			}
+		}, 100);
+	});
+};
+
+exports.waitForAllElements = (selector) => {
+	return new Promise((resolve) => {
+		let oldVal = 999999;
+		const interval = setInterval(() => {
+			const element = document.querySelectorAll(selector);
+			if (element) {
+				let newVal = element.length;
+				if (newVal === oldVal) {
+					clearInterval(interval);
+					resolve(element);
+				} else {
+					if (newVal !== 0) oldVal = newVal;
+				}
+			}
+		}, 100);
+	});
+};
+
+exports.fetch = (url) => {
+	return new Promise((resolve) => {
+		corefetch(url).then((res) => {
+			resolve(res);
+		});
+	});
+};
+
+exports.testMatch = async (element, regex) => {
+	const elem = await this.waitForElement(element);
+	expect(elem).not.toBe(null);
+	expect(elem.textContent).toMatch(regex);
+};

tests/e2e/helpers/mock-console.js

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+/**
+ * Suppresses errors concerning web server already shut down.
+ * @param {string} err The error message.
+ */
+const mockError = (err) => {
+	if (
+		err.includes("ECONNREFUSED") ||
+		err.includes("ECONNRESET") ||
+		err.includes("socket hang up") ||
+		err.includes("exports is not defined") ||
+		err.includes("write EPIPE") ||
+		err.includes("AggregateError") ||
+		err.includes("ERR_SOCKET_CONNECTION_TIMEOUT")
+	) {
+		jest.fn();
+	} else {
+		console.dir(err);
+	}
+};
+
+global.console = {
+	log: jest.fn(),
+	dir: console.dir,
+	error: mockError,
+	warn: console.warn,
+	info: jest.fn(),
+	debug: console.debug
+};

tests/e2e/helpers/weather-functions.js

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+const { injectMockData } = require("../../utils/weather_mocker");
+const helpers = require("./global-setup");
+
+exports.getText = async (element, result) => {
+	const elem = await helpers.waitForElement(element);
+	expect(elem).not.toBe(null);
+	expect(
+		elem.textContent
+			.trim()
+			.replace(/(\r\n|\n|\r)/gm, "")
+			.replace(/[ ]+/g, " ")
+	).toBe(result);
+};
+
+exports.startApp = async (configFileName, additionalMockData) => {
+	injectMockData(configFileName, additionalMockData);
+	await helpers.startApplication("");
+	await helpers.getDocument();
+};