Added engine service share injection utility, as well as minor update…

…s to the universe service

addon/services/universe.js

@@ -447,6 +447,14 @@ export default class UniverseService extends Service.extend(Evented) {
         // create menu item
         const menuItem = this._createMenuItem(title, route, options);
 
+        // register menu item
+        if (!this[internalRegistryName]) {
+            this[internalRegistryName] = {
+                menuItems: [],
+                menuPanels: [],
+            };
+        }
+
         // register menu item
         this[internalRegistryName].menuItems.pushObject(menuItem);
 

addon/utils/inject-engine-service.js

@@ -0,0 +1,15 @@
+import { getOwner } from '@ember/application';
+
+export default function injectEngineService(target, engineName, serviceName, key = null) {
+    const owner = getOwner(target);
+    const universe = owner.lookup('service:universe');
+    const service = universe.getServiceFromEngine(engineName, serviceName);
+    const effectiveServiceName = key || serviceName;
+
+    Object.defineProperty(target, effectiveServiceName, {
+        value: service,
+        writable: false,
+        configurable: true,
+        enumerable: true,
+    });
+}

app/utils/inject-engine-service.js

@@ -0,0 +1 @@
+export { default } from '@fleetbase/ember-core/utils/inject-engine-service';

tests/unit/utils/inject-engine-service-test.js

@@ -0,0 +1,10 @@
+import injectEngineService from 'dummy/utils/inject-engine-service';
+import { module, test } from 'qunit';
+
+module('Unit | Utility | inject-engine-service', function () {
+    // TODO: Replace this with your real tests.
+    test('it works', function (assert) {
+        let result = injectEngineService();
+        assert.ok(result);
+    });
+});