added null check (#199)

* added null check * invalid err value * ping
karma-runner · Apr 1, 2020 · 75b4d9d · 75b4d9d
1 parent f70a032
commit 75b4d9d
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/launcher/launcher.ts b/src/launcher/launcher.ts
@@ -46,6 +46,13 @@ export function SaucelabsLauncher(args,
     pendingHeartBeat = setTimeout( (driver) => {
       log.debug('Heartbeat to Sauce Labs (%s) - fetching title', browserName)
 
+      if (driver === undefined){
+        log.error('Heartbeat to %s failed: driver is null\n  %s', browserName)
+
+          clearTimeout(pendingHeartBeat)
+          return this._done('failure')
+      }
+
       driver.title()
         .then(null, (err) => {
           log.error('Heartbeat to %s failed\n  %s', browserName, formatSauceError(err))