[ftr/kbnServer] prevent caching errors when fetching status (#12848)

elastic · Jul 14, 2017 · 10656c2 · 10656c2
1 parent 8f34633
commit 10656c2
Showing 1 changed file with 13 additions and 5 deletions.
diff --git a/test/common/services/kibana_server/version.js b/test/common/services/kibana_server/version.js
@@ -1,12 +1,20 @@
-import { once } from 'lodash';
-
 export class KibanaServerVersion {
   constructor(kibanaStatus) {
     this.kibanaStatus = kibanaStatus;
+    this._cachedVersionNumber;
   }
 
-  get = once(async () => {
+  async get() {
+    if (this._cachedVersionNumber) {
+      return this._cachedVersionNumber;
+    }
+
     const status = await this.kibanaStatus.get();
-    return status.version.number;
-  })
+    if (status && status.version && status.version.number) {
+      this._cachedVersionNumber = status.version.number;
+      return this._cachedVersionNumber;
+    }
+
+    throw new Error(`Unable to fetch Kibana Server status, received ${JSON.stringify(status)}`);
+  }
 }