robust approach to get runner id

Author: chriz2600

lib/job.js

@@ -328,7 +328,11 @@ Job.prototype = {
       branch: this.job.ref.branch,
       project: this.project,
 
-      runnerId: this.config.branchConfig.runner.id
+      runnerId: (
+           this.config.branchConfig
+        && this.config.branchConfig.runner
+        && this.config.branchConfig.runner.id || 'unkown'
+      )
     };
 
     return context;

test/test_run.js

@@ -53,8 +53,7 @@ describe('Integration', function () {
     }], { // config
       dataDir: '/tmp/',
       cachier: cachier,
-      io: new EventEmitter(),
-      branchConfig : { runner : { id : 'dummy' } }
+      io: new EventEmitter()
     }, function (err) {
       if (err) return done(err)
       for (var name in called) {