chore: PlaywrightClient/Server enhancements (#7980)

- ensure timeout results in a meaningful message
- add onDisconnect handler

src/remote/playwrightClient.ts

@@ -49,7 +49,7 @@ export class PlaywrightClient {
         playwrightClientPromise,
         errorPromise,
         closePromise,
-        new Promise((_, reject) => timer = setTimeout(reject, timeout))
+        new Promise((_, reject) => timer = setTimeout(() => reject(`Timeout of ${timeout}ms exceeded while connecting.`), timeout))
       ]);
       return await playwrightClientPromise;
     } finally {

src/remote/playwrightServer.ts

@@ -33,6 +33,7 @@ export interface PlaywrightServerDelegate {
 
 export type PlaywrightServerOptions = {
   acceptForwardedPorts?: boolean
+  onDisconnect?: () => void;
 };
 
 export class PlaywrightServer {
@@ -40,7 +41,7 @@ export class PlaywrightServer {
   private _clientsCount = 0;
   private _delegate: PlaywrightServerDelegate;
 
-  static async startDefault({ acceptForwardedPorts }: PlaywrightServerOptions = {}): Promise<PlaywrightServer> {
+  static async startDefault({ acceptForwardedPorts, onDisconnect }: PlaywrightServerOptions = {}): Promise<PlaywrightServer> {
     const cleanup = async () => {
       await gracefullyCloseAll().catch(e => {});
     };
@@ -57,6 +58,7 @@ export class PlaywrightServer {
           cleanup();
           playwright._disablePortForwarding();
           playwright.selectors.unregisterAll();
+          onDisconnect?.();
         };
       },
     };

tests/config/baseTest.ts

@@ -57,7 +57,6 @@ class DriverMode {
 }
 
 class ServiceMode {
-  private _playwrightObejct: any;
   private _client: any;
   private _serviceProcess: childProcess.ChildProcess;
 
@@ -75,8 +74,7 @@ class ServiceMode {
     });
     this._serviceProcess.on('exit', this._onExit);
     this._client = await PlaywrightClient.connect({wsEndpoint: `ws://localhost:${port}/ws`});
-    this._playwrightObejct = this._client.playwright();
-    return this._playwrightObejct;
+    return this._client.playwright();
   }
 
   async teardown() {
@@ -87,7 +85,7 @@ class ServiceMode {
     await processExited;
   }
 
-  private _onExit(exitCode, signal) {
+  private _onExit(exitCode: number, signal: string) {
     throw new Error(`Server closed with exitCode=${exitCode} signal=${signal}`);
   }
 }