added test for MM_MODULES_DIR (MagicMirrorOrg#3546)

uses newsfeed test after copying this module to config dir

addition for MagicMirrorOrg#3530

CHANGELOG.md

@@ -13,7 +13,7 @@ _This release is scheduled to be released on 2024-10-01._
 
 - [core] Check config at every start of MagicMirror² (#3450)
 - [core] Add spelling check (cspell): `npm run test:spelling` and handle spelling issues (#3544)
-- [core] removed `config.paths.vendor` (could not work because `vendor` is hardcoded in `index.html`), renamed `config.paths.modules` to `config.foreignModulesDir`, added variable `MM_CUSTOMCSS_FILE` which - if set - overrides `config.customCss`, added variable `MM_MODULES_DIR` which - if set - overrides `config.foreignModulesDir` (#3530)
+- [core] removed `config.paths.vendor` (could not work because `vendor` is hardcoded in `index.html`), renamed `config.paths.modules` to `config.foreignModulesDir`, added variable `MM_CUSTOMCSS_FILE` which - if set - overrides `config.customCss`, added variable `MM_MODULES_DIR` which - if set - overrides `config.foreignModulesDir`, added test for `MM_MODULES_DIR` (#3530)
 - [core] elements are now removed from `index.html` when loading script or stylesheet files fails
 - [core] Added `DOM_OBJECTS_UPDATED` notification each time the DOM is re-rendered via `updateDom` (#3534)
 

tests/e2e/modules/newsfeed_spec.js

@@ -1,10 +1,7 @@
+const fs = require("node:fs");
 const helpers = require("../helpers/global-setup");
 
-describe("Newsfeed module", () => {
-	afterAll(async () => {
-		await helpers.stopApplication();
-	});
-
+const runTests = async () => {
 	describe("Default configuration", () => {
 		beforeAll(async () => {
 			await helpers.startApplication("tests/configs/modules/newsfeed/default.js");
@@ -74,4 +71,28 @@ describe("Newsfeed module", () => {
 			expect(elem.textContent).toContain("No news at the moment.");
 		});
 	});
+};
+
+describe("Newsfeed module", () => {
+	afterAll(async () => {
+		await helpers.stopApplication();
+	});
+
+	runTests();
+});
+
+describe("Newsfeed module located in config directory", () => {
+	beforeAll(async () => {
+		const baseDir = `${__dirname}/../../..`;
+		if (!fs.existsSync(`${baseDir}/config/newsfeed`)) {
+			await fs.cp(`${baseDir}/modules/default/newsfeed`, `${baseDir}/config/newsfeed`, { recursive: true }, (err) => err && console.error(err));
+		}
+		process.env.MM_MODULES_DIR = "config";
+	});
+
+	afterAll(async () => {
+		await helpers.stopApplication();
+	});
+
+	runTests();
 });