return error if tunnel failed to launch after 90 seconds

Author: jochen-testingbot

lib/tunnel-launcher.js

@@ -105,16 +105,32 @@ function run (options, callback) {
         logger('Tunnel is ready')
         callback(null, activeTunnel)
     }
-
+    
+    const onError = function (waitCounter) {
+        const errorMessage = `Tunnel failed to launch in ${waitCounter} seconds.`
+        logger(errorMessage)
+        callback(new Error(errorMessage), null)
+    }
+    
     const readyFile = path.join(os.tmpdir(), 'testingbot.ready')
-    const readyFileChecker = setInterval(() => {
-        fs.stat(readyFile, (error, stat) => {
+    
+    function checkReadyFile(waitCounter = 0) {
+        fs.access(readyFile, fs.constants.F_OK, (error) => {
             if (!error) {
                 clearInterval(readyFileChecker)
-                onReady()
+                return onReady()
             }
+    
+            if (waitCounter > 90) {
+                clearInterval(readyFileChecker)
+                return onError(waitCounter)
+            }
+    
+            waitCounter += 1
         })
-    }, 800)
+    }
+    
+    const readyFileChecker = setInterval(() => checkReadyFile(), 1000)
 
     const args = createArgs(options)