chore(electron): filter test args out

packages/playwright-core/src/server/electron/electron.ts

@@ -130,7 +130,7 @@ export class Electron extends SdkObject {
     controller.setLogName('browser');
     return controller.run(async progress => {
       let app: ElectronApplication | undefined = undefined;
-      const electronArguments = [require.resolve('./loader'), options.cwd || process.cwd(), ...args, '--inspect=0', '--remote-debugging-port=0'];
+      const electronArguments = [require.resolve('./loader'), '--inspect=0', '--remote-debugging-port=0', options.cwd || process.cwd(), ...args];
 
       if (os.platform() === 'linux') {
         const runningAsRoot = process.geteuid && process.geteuid() === 0;

packages/playwright-core/src/server/electron/loader.ts

@@ -18,7 +18,13 @@ const { app } = require('electron');
 const path = require('path');
 const { chromiumSwitches } = require('../chromium/chromiumSwitches');
 
-const appPath = path.resolve(process.argv[2], process.argv[3]);
+// Command line is like:
+// [Electron, loader.js, --inspect=0, --remote-debugging-port=0, options.cwd, app.js, ...args]
+const appPath = path.resolve(process.argv[4], process.argv[5]);
+process.argv.splice(2, 4);
+process.argv[1] = appPath;
+// Now it is like
+// [Electron, app.js, ...args]
 
 for (const arg of chromiumSwitches) {
   const match = arg.match(/--([^=]*)=?(.*)/)!;

tests/electron/electron-app.spec.ts

@@ -38,6 +38,11 @@ test('should script application', async ({ electronApp }) => {
   expect(appPath).toBe(path.resolve(__dirname));
 });
 
+test('should preserve args', async ({ electronApp }) => {
+  const argv = await electronApp.evaluate(async ({ app }) => process.argv);
+  expect(argv.slice(1)).toEqual([expect.stringContaining('electron/electron-app.js')]);
+});
+
 test('should return windows', async ({ electronApp, newWindow }) => {
   const window = await newWindow();
   expect(electronApp.windows()).toEqual([window]);