add job object, and tests

src/job.js

@@ -0,0 +1,19 @@
+import events from 'events';
+import { isPlainObject } from 'lodash';
+
+export default class Job extends events.EventEmitter {
+  constructor(queue, type, payload, options = {}) {
+    if (typeof type !== 'string') throw new Error('Type must be a string');
+    if (!isPlainObject(payload)) throw new Error('Payload must be a plain object');
+
+    super();
+
+    queue.client.index({
+      index: queue.index,
+      type: type,
+      body: Object.assign({}, options, {
+        payload: payload
+      })
+    });
+  }
+}