feat: unit tests for buildArgs and Notify

jest.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+    testEnvironment: "node",
+    testMatch: ["**/test/unit/**/*.test.js"],
+    collectCoverageFrom: [
+        "server/**/*.js",
+        "app/**/*.js",
+        "!app/autoUpdater.js",
+    ],
+};

package.json

@@ -16,12 +16,16 @@
   "main": "main.js",
   "scripts": {
     "start": "electron --trace-warnings .",
-    "postinstall": "chmod +x resources/binaries/linux/* 2>/dev/null || true",
+
     "build": "electron-builder",
     "build:win": "electron-builder --win",
     "build:linux": "electron-builder --linux",
     "build:rpm": "bash scripts/create-copr-package.sh",
     "build:all": "electron-builder -wl",
+
+    "test": "jest",
+    "test:unit": "jest tests/unit",
+
     "update": "npm update"
   },
   "dependencies": {
@@ -38,8 +42,12 @@
   },
   "devDependencies": {
     "@electron/devtron": "^2.1.1",
+    "@jest/globals": "^30.4.1",
+    "@playwright/test": "^1.62.1",
     "electron": "^41.2.0",
-    "electron-builder": "^25.1.8"
+    "electron-builder": "^26.15.3",
+    "jest": "^30.4.2",
+    "playwright": "^1.62.1"
   },
   "build": {
     "appId": "com.masteracnolo.freedomloader",

test/unit/buildArgs.test.js

@@ -0,0 +1,182 @@
+const path = require("path");
+
+jest.mock("../../server/helpers/getBrowser.helpers.js", () =>
+    jest.fn(() => "firefox")
+);
+
+jest.mock("../../server/helpers/path.helpers.js", () => ({
+    ffmpegPath: "/mock/ffmpeg",
+    denoPath: "/mock/deno",
+}));
+
+jest.mock("../../config.js", () => ({
+    configFeatures: {
+        autoUpdate: false,
+        discordRPC: false,
+        customTopBar: false,
+        autoCheckInfo: false,
+        addThumbnail: true,
+        addMetadata: true,
+        verboseLogs: false,
+        autoDownloadPlaylist: false,
+        customCodec: "h264",
+    },
+}));
+
+jest.mock("../../server/logger.js", () => ({
+    logger: {
+        info: jest.fn(),
+        error: jest.fn(),
+    },
+}));
+
+const { buildYtDlpArgs } = require("../../server/helpers/buildArgs.helpers");
+const { configFeatures } = require("../../config");
+const { logger } = require("../../server/logger");
+
+describe("buildYtDlpArgs", () => {
+    beforeEach(() => {
+        jest.clearAllMocks();
+    });
+
+    test("builds default video arguments", () => {
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "best",
+            outputFolder: "/downloads",
+        });
+
+        expect(args).toContain("--cookies-from-browser");
+        expect(args).toContain("firefox");
+
+        expect(args).toContain("--ffmpeg-location");
+        expect(args).toContain("/mock/ffmpeg");
+
+        expect(args).toContain("--js-runtimes");
+        expect(args).toContain("deno:/mock/deno");
+
+        expect(args).toContain("--merge-output");
+        expect(args).toContain("mp4");
+
+        expect(args).toContain("-f");
+        expect(args).toContain("bestvideo+bestaudio/best/mp4");
+
+        expect(args).toContain(
+            path.join("/downloads", "%(title)s.%(ext)s")
+        );
+
+        expect(args.at(-1)).toBe("https://youtube.com/watch?v=123");
+    });
+
+    test("builds audio-only arguments", () => {
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: true,
+            quality: "best",
+            outputFolder: "/downloads",
+        });
+
+        expect(args).toContain("--extract-audio");
+        expect(args).toContain("--audio-format");
+        expect(args).toContain("mp3");
+        expect(args).toContain("bestaudio");
+
+        expect(args).not.toContain("--merge-output");
+    });
+
+    test("uses requested quality", () => {
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "720",
+            outputFolder: "/downloads",
+        });
+
+        expect(args).toContain(
+            "bestvideo[height<=720]+bestaudio/best[height<=720]/mp4"
+        );
+    });
+
+    test("falls back to best for unknown quality", () => {
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "unknown",
+            outputFolder: "/downloads",
+        });
+
+        expect(args).toContain("best");
+    });
+
+    test("uses --no-playlist by default", () => {
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "best",
+            outputFolder: "/downloads",
+        });
+
+        expect(args).toContain("--no-playlist");
+        expect(args).not.toContain("--yes-playlist");
+    });
+
+    test("uses --yes-playlist when enabled", () => {
+        configFeatures.autoDownloadPlaylist = true;
+
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "best",
+            outputFolder: "/downloads",
+        });
+
+        expect(args).toContain("--yes-playlist");
+        expect(args).not.toContain("--no-playlist");
+
+        configFeatures.autoDownloadPlaylist = false;
+    });
+
+    test("embeds thumbnail and metadata when enabled", () => {
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "best",
+            outputFolder: "/downloads",
+        });
+
+        expect(args).toContain("--embed-thumbnail");
+        expect(args).toContain("--add-metadata");
+    });
+
+    test("logs codec validation", () => {
+        buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "best",
+            outputFolder: "/downloads",
+        });
+
+        expect(logger.info).toHaveBeenCalledWith("Codec Valid: h264");
+    });
+
+    test("falls back to h264 when codec is invalid", () => {
+        configFeatures.customCodec = "invalid";
+
+        const args = buildYtDlpArgs({
+            url: "https://youtube.com/watch?v=123",
+            audioOnly: false,
+            quality: "best",
+            outputFolder: "/downloads",
+        });
+
+        expect(logger.error).toHaveBeenCalledWith(
+            "Codec not valid: invalid. Using default codec"
+        );
+
+        const sortIndex = args.indexOf("-S");
+        expect(args[sortIndex + 1]).toContain("vcodec:h264");
+
+        configFeatures.customCodec = "h264";
+    });
+});

test/unit/notify.helpers.test.js

@@ -0,0 +1,133 @@
+const mockShow = jest.fn();
+const mockOn = jest.fn();
+const mockOpenPath = jest.fn();
+const mockOpenExternal = jest.fn();
+
+jest.mock("electron", () => ({
+    Notification: jest.fn().mockImplementation(() => ({
+        show: mockShow,
+        on: mockOn,
+    })),
+    shell: {
+        openPath: mockOpenPath,
+        openExternal: mockOpenExternal,
+    },
+}));
+
+jest.mock("../../server/helpers/path.helpers", () => ({
+    iconPaths: {
+        confirm: "/icons/confirm.png",
+        error: "/icons/error.png",
+    },
+}));
+
+jest.mock("../../server/logger", () => ({
+    logger: {
+        info: jest.fn(),
+        error: jest.fn(),
+    },
+}));
+
+const { Notification, shell } = require("electron");
+
+const {
+    notifyDownloadFinished,
+    notifyCookiesBrowserError,
+    notifyFirefoxBrowserMissing,
+} = require("../../server/helpers/notify.helpers");
+
+describe("notify.helpers", () => {
+    beforeEach(() => {
+        jest.clearAllMocks();
+    });
+
+    describe("notifyDownloadFinished", () => {
+        test("does nothing when notifications are disabled", () => {
+            notifyDownloadFinished("/downloads", false);
+
+            expect(Notification).not.toHaveBeenCalled();
+        });
+
+        test("does nothing when folder is missing", () => {
+            notifyDownloadFinished(undefined, true);
+
+            expect(Notification).not.toHaveBeenCalled();
+        });
+
+        test("creates and shows notification", () => {
+            notifyDownloadFinished("/downloads");
+
+            expect(Notification).toHaveBeenCalledWith({
+                title: "Freedom Loader",
+                body: "Your download is complete, click here to open it.",
+                icon: "/icons/confirm.png",
+            });
+
+            expect(mockOn).toHaveBeenCalledWith(
+                "click",
+                expect.any(Function)
+            );
+
+            expect(mockShow).toHaveBeenCalled();
+        });
+
+        test("opens folder when notification is clicked", () => {
+            notifyDownloadFinished("/downloads");
+
+            const callback = mockOn.mock.calls[0][1];
+            callback();
+
+            expect(shell.openPath).toHaveBeenCalledWith("/downloads");
+        });
+    });
+
+    describe("notifyCookiesBrowserError", () => {
+        test("creates notification", () => {
+            notifyCookiesBrowserError();
+
+            expect(Notification).toHaveBeenCalledWith({
+                title: "Cookies Error",
+                body: "Unable to retrieve cookies. Please log in to your browser and click here to view the tutorial.",
+                icon: "/icons/error.png",
+            });
+
+            expect(mockShow).toHaveBeenCalled();
+        });
+
+        test("opens tutorial when clicked", () => {
+            notifyCookiesBrowserError();
+
+            const callback = mockOn.mock.calls[0][1];
+            callback();
+
+            expect(shell.openExternal).toHaveBeenCalledWith(
+                "https://youtube.com/shorts/cN9f4s1Mf88?si=519QCVd_-fzJqRf1"
+            );
+        });
+    });
+
+    describe("notifyFirefoxBrowserMissing", () => {
+        test("creates notification", () => {
+            notifyFirefoxBrowserMissing();
+
+            expect(Notification).toHaveBeenCalledWith({
+                title: "Firefox Missing",
+                body: "Firefox was not found on your system. Click here to follow the installation guide",
+                icon: "/icons/error.png",
+            });
+
+            expect(mockShow).toHaveBeenCalled();
+        });
+
+        test("opens installation guide when clicked", () => {
+            notifyFirefoxBrowserMissing();
+
+            const callback = mockOn.mock.calls[0][1];
+            callback();
+
+            expect(shell.openExternal).toHaveBeenCalledWith(
+                "https://youtube.com/shorts/cN9f4s1Mf88?si=519QCVd_-fzJqRf1"
+            );
+        });
+    });
+});