Cleanup test directory (#2937)

Moves files around and renames some so that the structure is cleaner and
more consistent

tests/e2e/helpers/global-setup.js

@@ -0,0 +1,90 @@
+const jsdom = require("jsdom");
+const corefetch = require("fetch");
+
+exports.startApplication = (configFilename, exec) => {
+	jest.resetModules();
+	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("app.js");
+	global.app.start();
+};
+
+exports.stopApplication = async () => {
+	if (global.app) {
+		global.app.stop();
+	}
+	await new Promise((resolve) => setTimeout(resolve, 100));
+};
+
+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.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);
+};