fix(launch): throw upon page argument when non-persistent (#1144)

Author: pavelfeldman

src/server/chromium.ts

@@ -178,6 +178,8 @@ export class Chromium implements BrowserType {
       throw new Error('Pass userDataDir parameter instead of specifying --user-data-dir argument');
     if (args.find(arg => arg.startsWith('--remote-debugging-')))
       throw new Error('Playwright manages remote debugging connection itself.');
+    if (launchType !== 'persistent' && args.find(arg => !arg.startsWith('-')))
+      throw new Error('Arguments can not specify page to be opened');
 
     const chromeArguments = [...DEFAULT_ARGS];
     chromeArguments.push(`--user-data-dir=${userDataDir}`);

src/server/firefox.ts

@@ -85,7 +85,7 @@ export class Firefox implements BrowserType {
     return browserContext;
   }
 
-  private async _launchServer(options: LaunchOptions = {}, connectionType: LaunchType, userDataDir?: string, port?: number): Promise<{ browserServer: BrowserServer, transport?: ConnectionTransport }> {
+  private async _launchServer(options: LaunchOptions = {}, launchType: LaunchType, userDataDir?: string, port?: number): Promise<{ browserServer: BrowserServer, transport?: ConnectionTransport }> {
     const {
       ignoreDefaultArgs = false,
       args = [],
@@ -107,9 +107,9 @@ export class Firefox implements BrowserType {
     }
 
     if (!ignoreDefaultArgs)
-      firefoxArguments.push(...this._defaultArgs(options, userDataDir!, port || 0));
+      firefoxArguments.push(...this._defaultArgs(options, launchType, userDataDir!, port || 0));
     else if (Array.isArray(ignoreDefaultArgs))
-      firefoxArguments.push(...this._defaultArgs(options, userDataDir!, port || 0).filter(arg => !ignoreDefaultArgs.includes(arg)));
+      firefoxArguments.push(...this._defaultArgs(options, launchType, userDataDir!, port || 0).filter(arg => !ignoreDefaultArgs.includes(arg)));
     else
       firefoxArguments.push(...args);
 
@@ -155,8 +155,8 @@ export class Firefox implements BrowserType {
     const timeoutError = new TimeoutError(`Timed out after ${timeout} ms while trying to connect to Firefox!`);
     const match = await waitForLine(launchedProcess, launchedProcess.stdout, /^Juggler listening on (ws:\/\/.*)$/, timeout, timeoutError);
     const browserWSEndpoint = match[1];
-    browserServer = new BrowserServer(launchedProcess, gracefullyClose, connectionType === 'server' ? browserWSEndpoint : null);
-    return { browserServer, transport: connectionType === 'server' ? undefined : new platform.WebSocketTransport(browserWSEndpoint) };
+    browserServer = new BrowserServer(launchedProcess, gracefullyClose, launchType === 'server' ? browserWSEndpoint : null);
+    return { browserServer, transport: launchType === 'server' ? undefined : new platform.WebSocketTransport(browserWSEndpoint) };
   }
 
   async connect(options: ConnectOptions): Promise<FFBrowser> {
@@ -176,7 +176,7 @@ export class Firefox implements BrowserType {
     return { TimeoutError };
   }
 
-  private _defaultArgs(options: BrowserArgOptions = {}, userDataDir: string, port: number): string[] {
+  private _defaultArgs(options: BrowserArgOptions = {}, launchType: LaunchType, userDataDir: string, port: number): string[] {
     const {
       devtools = false,
       headless = !devtools,
@@ -189,6 +189,8 @@ export class Firefox implements BrowserType {
       throw new Error('Pass userDataDir parameter instead of specifying -profile argument');
     if (args.find(arg => arg.startsWith('-juggler')))
       throw new Error('Use the port parameter instead of -juggler argument');
+    if (launchType !== 'persistent' && args.find(arg => !arg.startsWith('-')))
+      throw new Error('Arguments can not specify page to be opened');
 
     const firefoxArguments = ['-no-remote'];
     if (headless) {

src/server/webkit.ts

@@ -181,6 +181,8 @@ export class WebKit implements BrowserType {
     const userDataDirArg = args.find(arg => arg.startsWith('--user-data-dir='));
     if (userDataDirArg)
       throw new Error('Pass userDataDir parameter instead of specifying --user-data-dir argument');
+    if (launchType !== 'persistent' && args.find(arg => !arg.startsWith('-')))
+      throw new Error('Arguments can not specify page to be opened');
     const webkitArguments = ['--inspector-pipe'];
     if (headless)
       webkitArguments.push('--headless');

test/launcher.spec.js

@@ -45,6 +45,12 @@ module.exports.describe = function({testRunner, expect, defaultBrowserOptions, p
         await playwright.launch(options).catch(e => waitError = e);
         expect(waitError.message).toContain('launchPersistent');
       });
+      it('should throw if page argument is passed', async() => {
+        let waitError = null;
+        const options = Object.assign({}, defaultBrowserOptions, { args: ['http://example.com'] });
+        await playwright.launch(options).catch(e => waitError = e);
+        expect(waitError.message).toContain('can not specify page');
+      });
       it('should reject if executable path is invalid', async({server}) => {
         let waitError = null;
         const options = Object.assign({}, defaultBrowserOptions, {executablePath: 'random-invalid-path'});