MagicMirror/tests/e2e/fonts_spec.js

const helpers = require("./helpers/global-setup");

describe("All font files from roboto.css should be downloadable", () => {
	const fontFiles = [];
	// Statements below filters out all 'url' lines in the CSS file
	const fileContent = require("fs").readFileSync(`${__dirname}/../../fonts/roboto.css`, "utf8");
	const regex = /\burl\(['"]([^'"]+)['"]\)/g;
	let match = regex.exec(fileContent);
	while (match !== null) {
		// Push 1st match group onto fontFiles stack
		fontFiles.push(match[1]);
		// Find the next one
		match = regex.exec(fileContent);
	}

	beforeAll(async () => {
		await helpers.startApplication("tests/configs/without_modules.js");
	});
	afterAll(async () => {
		await helpers.stopApplication();
	});

	it.each(fontFiles)("should return 200 HTTP code for file '%s'", async (fontFile) => {
		const fontUrl = `http://localhost:8080/fonts/${fontFile}`;
		const res = await fetch(fontUrl);
		expect(res.status).toBe(200);
	});
});