YARN-6184. Introduce loading icon in each page of new YARN UI. Contributed by Akhil PB.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/components/tree-selector.js

@@ -128,7 +128,7 @@ export default Ember.Component.extend({
       .attr("transform", function() { return "translate(" + source.y0 + "," + source.x0 + ")"; })
       .on("mouseover", function(d){
         if (d.queueData.get("name") !== this.get("selected")) {
-            document.location.href = "#/yarn-queues/" + d.queueData.get("name");
+            document.location.href = "#/yarn-queues/" + d.queueData.get("name") + "!";
         }
 
         Ember.run.later(this, function () {
@@ -143,7 +143,7 @@ export default Ember.Component.extend({
 
       }.bind(this))
     .on("click", function (d) {
-      document.location.href = "#/yarn-queue/" + d.queueData.get("name");
+      document.location.href = "#/yarn-queue/" + d.queueData.get("name") + "/info";
     });
 
     nodeEnter.append("circle")

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/controllers/yarn-queue.js

@@ -22,10 +22,11 @@ export default Ember.Controller.extend({
   needReload: true,
   selectedQueue: undefined,
 
-  breadcrumbs: Ember.computed("model.selected", function () {
+  breadcrumbs: Ember.computed("model.selected", "target.currentPath", function () {
     var queueName = this.get("model.selected");
+    var path = this.get("target.currentPath");
 
-    return [{
+    var crumbs = [{
       text: "Home",
       routeName: 'application'
     }, {
@@ -34,11 +35,19 @@ export default Ember.Controller.extend({
       model: 'root'
     }, {
       text: `Queue [ ${queueName} ]`,
-      routeName: 'yarn-queue',
+      routeName: 'yarn-queue.info',
       model: queueName
     }];
 
-  }),
+    if (path && path === "yarn-queue.apps") {
+      crumbs.push({
+        text: "Applications",
+        routeName: 'yarn-queue.apps',
+        model: queueName
+      });
+    }
 
+    return crumbs;
+  })
 
 });

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/controllers/yarn-queues.js

@@ -21,6 +21,7 @@ import Ember from 'ember';
 export default Ember.Controller.extend({
   needReload: true,
   selectedQueue: undefined,
+  showLoading: true,
 
   breadcrumbs: [{
     text: "Home",

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/router.js

@@ -32,6 +32,10 @@ Router.map(function() {
     this.route('table');
     this.route('heatmap');
   });
+  this.route('yarn-queue', {path: '/yarn-queue/:queue_name'}, function() {
+    this.route('info');
+    this.route('apps');
+  });
   this.route('yarn-nodes-heatmap');
   this.route('yarn-node', { path: '/yarn-node/:node_id/:node_addr' });
   this.route('yarn-node-apps', { path: '/yarn-node-apps/:node_id/:node_addr' });
@@ -43,7 +47,6 @@ Router.map(function() {
       { path: '/yarn-node-container/:node_id/:node_addr/:container_id' });
   this.route('yarn-container-log', { path:
       '/yarn-container-log/:node_id/:node_addr/:container_id/:filename' });
-  this.route('yarn-queue', { path: '/yarn-queue/:queue_name' });
 
   this.route('cluster-overview');
   this.route('yarn-app', { path: '/yarn-app/:app_id' });
@@ -52,7 +55,6 @@ Router.map(function() {
   this.route('notfound', { path: '*:' });
   this.route('yarn-app-attempts', { path: '/yarn-app-attempts/:app_id' });
   this.route('yarn-queues', { path: '/yarn-queues/:queue_name' });
-  this.route('yarn-queue-apps', { path: '/yarn-queue-apps/:queue_name' });
 });
 
 export default Router;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/cluster-overview.js

@@ -23,7 +23,7 @@ import AbstractRoute from './abstract';
 export default AbstractRoute.extend({
   model() {
     return Ember.RSVP.hash({
-      clusterMetrics: this.store.findAll('ClusterMetric'),
+      clusterMetrics: this.store.findAll('ClusterMetric', {reload: true}),
       apps: this.store.query('yarn-app',
         {
           state: "RUNNING"

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-app-attempt.js

@@ -23,7 +23,7 @@ import AbstractRoute from './abstract';
 export default AbstractRoute.extend({
   model(param) {
     return Ember.RSVP.hash({
-      attempt: this.store.findRecord('yarn-app-attempt', param.app_attempt_id),
+      attempt: this.store.findRecord('yarn-app-attempt', param.app_attempt_id, {reload: true}),
 
       rmContainers: this.store.query('yarn-container',
         {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-apps.js

@@ -23,8 +23,8 @@ import AbstractRoute from './abstract';
 export default AbstractRoute.extend({
   model() {
     return Ember.RSVP.hash({
-      apps: this.store.findAll('yarn-app'),
+      apps: this.store.findAll('yarn-app', {reload: true}),
-      clusterMetrics: this.store.findAll('ClusterMetric'),
+      clusterMetrics: this.store.findAll('ClusterMetric', {reload: true}),
     });
   },
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-node.js

@@ -25,8 +25,8 @@ export default AbstractRoute.extend({
     // Fetches data from both NM and RM. RM is queried to get node usage info.
     return Ember.RSVP.hash({
       nodeInfo: { id: param.node_id, addr: param.node_addr },
-      node: this.store.findRecord('yarn-node', param.node_addr),
+      node: this.store.findRecord('yarn-node', param.node_addr, {reload: true}),
-      rmNode: this.store.findRecord('yarn-rm-node', param.node_id)
+      rmNode: this.store.findRecord('yarn-rm-node', param.node_id, {reload: true})
     });
   },
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-nodes.js

@@ -23,8 +23,8 @@ import AbstractRoute from './abstract';
 export default AbstractRoute.extend({
   model() {
     return Ember.RSVP.hash({
-      nodes: this.store.findAll('yarn-rm-node'),
+      nodes: this.store.findAll('yarn-rm-node', {reload: true}),
-      clusterMetrics: this.store.findAll('ClusterMetric'),
+      clusterMetrics: this.store.findAll('ClusterMetric', {reload: true}),
     });
   },
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-queue.js

@@ -26,13 +26,12 @@ export default AbstractRoute.extend({
       selected : param.queue_name,
       queues: this.store.query('yarn-queue', {}),
       selectedQueue : undefined,
-      apps: undefined, // apps of selected queue
+      apps: this.store.findAll('yarn-app', {reload: true})
     });
   },
 
   afterModel(model) {
     model.selectedQueue = this.store.peekRecord('yarn-queue', model.selected);
-    model.apps = this.store.findAll('yarn-app');
   },
 
   unloadAll() {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-queue/apps.js

@@ -18,29 +18,5 @@
 
 import Ember from 'ember';
 
-export default Ember.Controller.extend({
+export default Ember.Route.extend({
-  needReload: true,
-  selectedQueue: undefined,
-
-  breadcrumbs: Ember.computed("model.selected", function () {
-    var queueName = this.get("model.selected");
-
-    return [{
-      text: "Home",
-      routeName: 'application'
-    }, {
-      text: "Queues",
-      routeName: 'yarn-queues',
-      model: 'root'
-    }, {
-      text: `Queue [ ${queueName} ]`,
-      routeName: 'yarn-queue',
-      model: queueName
-    }, {
-      text: "Applications",
-    }];
-
-  }),
-
-
 });

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-queue/info.js

@@ -18,25 +18,5 @@
 
 import Ember from 'ember';
 
-import AbstractRoute from './abstract';
+export default Ember.Route.extend({
-
-export default AbstractRoute.extend({
-  model(param) {
-    return Ember.RSVP.hash({
-      selected : param.queue_name,
-      queues: this.store.findAll('yarn-queue'),
-      selectedQueue : undefined,
-      apps: undefined, // apps of selected queue
-    });
-  },
-
-  afterModel(model) {
-    model.selectedQueue = this.store.peekRecord('yarn-queue', model.selected);
-    model.apps = this.store.findAll('yarn-app');
-  },
-
-  unloadAll() {
-    this.store.unloadAll('yarn-queue');
-    this.store.unloadAll('yarn-app');
-  }
 });

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-queues.js

@@ -22,21 +22,50 @@ import AbstractRoute from './abstract';
 
 export default AbstractRoute.extend({
   model(param) {
+    var queueName = param.queue_name? param.queue_name.split('!')[0] : 'root';
+    if (param.queue_name && param.queue_name.split('!').length > 1) {
+      this.controllerFor('yarn-queues').set('showLoading', false);
+    } else {
+      this.controllerFor('yarn-queues').set('showLoading', true);
+    }
     return Ember.RSVP.hash({
-      selected : param.queue_name,
+      selected : queueName,
       queues: this.store.query('yarn-queue', {}),
       selectedQueue : undefined,
-      apps: undefined, // apps of selected queue
+      apps: this.store.findAll('yarn-app', {reload: true})
     });
   },
 
   afterModel(model) {
     model.selectedQueue = this.store.peekRecord('yarn-queue', model.selected);
-    model.apps = this.store.findAll('yarn-app');
   },
 
   unloadAll() {
     this.store.unloadAll('yarn-queue');
     this.store.unloadAll('yarn-app');
+  },
+
+  refreshModel() {
+    var param = this.paramsFor('yarn-queues');
+    var queueName = param.queue_name? param.queue_name.split('!')[0] : 'root';
+    if (queueName !== param.queue_name) {
+      this.transitionTo('yarn-queues', queueName);
+    } else {
+      this.refresh();
+    }
+  },
+
+  actions: {
+    refresh: function () {
+      this.unloadAll();
+      this.refreshModel();
+    },
+
+    loading() {
+      if (!this.controllerFor('yarn-queues').get('showLoading')) {
+        return false;
+      }
+      return true;
+    }
   }
 });

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/styles/app.css

@@ -137,6 +137,14 @@ div.tooltip {
   pointer-events: none;
 }
 
+/*
+ * Loading icon styles
+ */
+.loading-mask > img {
+  display: block;
+  margin: 0 auto;
+}
+
 /*
  * Data table
  */

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/templates/loading.hbs

@@ -0,0 +1,23 @@
+{{!
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+}}
+
+<div class="col-md-12 container-fluid">
+  <div class="loading-mask">
+    <img src="assets/images/spinner.gif" alt="Loading...">
+  </div>
+</div>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/templates/yarn-apps/loading.hbs

@@ -0,0 +1,23 @@
+{{!
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+}}
+
+<div class="col-md-12 container-fluid">
+  <div class="loading-mask">
+    <img src="assets/images/spinner.gif" alt="Loading...">
+  </div>
+</div>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/templates/yarn-queue-apps.hbs

@@ -1,64 +0,0 @@
-{{!
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
-}}
-
-{{breadcrumb-bar breadcrumbs=breadcrumbs}}
-
-<div class="col-md-12 container-fluid">
-  <div class="row">
-
-    <div class="col-md-2 container-fluid">
-      <div class="panel panel-default">
-        <div class="panel-heading">
-          <h4>Application</h4>
-        </div>
-        <div class="panel-body">
-          <ul class="nav nav-pills nav-stacked" id="stacked-menu">
-            <ul class="nav nav-pills nav-stacked collapse in">
-              {{#link-to 'yarn-queue' tagName="li"}}
-                {{#link-to 'yarn-queue' model.selected}}Information
-                {{/link-to}}
-              {{/link-to}}
-              {{#link-to 'yarn-queue-apps' tagName="li"}}
-                {{#link-to 'yarn-queue-apps' model.selected}}Applications List
-                {{/link-to}}
-              {{/link-to}}
-            </ul>
-          </ul>
-        </div>
-      </div>
-    </div>
-
-    <div class="col-md-10 container-fluid">
-      <!-- timeline view of children -->
-      <div class="row">
-
-        <div class="col-lg-12 container-fluid">
-          {{#if model.apps}}
-            {{app-table table-id="apps-table" arr=model.apps}}
-            {{simple-table table-id="apps-table" bFilter=true colTypes="elapsed-time" colTargets="7"}}
-          {{else}}
-            <h4 align = "center">Could not find any applications from this cluster</h4>
-          {{/if}}
-        </div>
-
-      </div>
-    </div>
-
-  </div>
-</div>
-{{outlet}}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/templates/yarn-queue.hbs

@@ -24,17 +24,17 @@
     <div class="col-md-2 container-fluid">
       <div class="panel panel-default">
         <div class="panel-heading">
-          <h4>Application</h4>
+          <h4>Queue</h4>
         </div>
         <div class="panel-body">
           <ul class="nav nav-pills nav-stacked" id="stacked-menu">
             <ul class="nav nav-pills nav-stacked collapse in">
-              {{#link-to 'yarn-queue' tagName="li"}}
+              {{#link-to 'yarn-queue.info' tagName="li"}}
-                {{#link-to 'yarn-queue' model.selected}}Information
+                {{#link-to 'yarn-queue.info' model.selected}}Information
                 {{/link-to}}
               {{/link-to}}
-              {{#link-to 'yarn-queue-apps' tagName="li"}}
+              {{#link-to 'yarn-queue.apps' tagName="li"}}
-                {{#link-to 'yarn-queue-apps' model.selected}}Applications List
+                {{#link-to 'yarn-queue.apps' model.selected}}Applications List
                 {{/link-to}}
               {{/link-to}}
             </ul>
@@ -44,65 +44,8 @@
     </div>
 
     <div class="col-md-10 container-fluid">
-      <!-- timeline view of children -->
+      {{outlet}}
-      <div class="row">
-
-        <div class="col-lg-4 container-fluid">
-          <div class="panel panel-default">
-            <div class="panel-heading">
-              Queue Information
-            </div>
-            {{queue-configuration-table queue=model.selectedQueue}}
-          </div>
-        </div>
-
-        <div class="col-lg-4 container-fluid">
-          <div class="panel panel-default">
-            <div class="panel-heading">
-              Queue Capacities
-            </div>
-            <div class="container-fluid" id="capacity-bar-chart">
-              <br/>
-              {{bar-chart data=model.selectedQueue.capacitiesBarChartData
-              title=""
-              parentId="capacity-bar-chart"
-              textWidth=170
-              ratio=0.55
-              maxHeight=350}}
-            </div>
-          </div>
-        </div>
-
-        {{#if model.selectedQueue.hasUserUsages}}
-          <div class="col-lg-4 container-fluid" id="userusage-donut-chart">
-            {{donut-chart data=model.selectedQueue.userUsagesDonutChartData
-            title="User Usages"
-            showLabels=true
-            parentId="userusage-donut-chart"
-            type="memory"
-            ratio=0.6
-            maxHeight=350}}
-          </div>
-        {{/if}}
-
-        <div class="col-lg-4 container-fluid">
-          <div class="panel panel-default">
-            <div class="panel-heading">
-              Running Apps
-            </div>
-            <div class="container-fluid" id="numapplications-donut-chart">
-              {{donut-chart data=model.selectedQueue.numOfApplicationsDonutChartData
-              showLabels=true
-              parentId="numapplications-donut-chart"
-              ratio=0.6
-              maxHeight=350}}
-            </div>
-          </div>
-        </div>
-
-      </div>
     </div>
 
   </div>
 </div>
-{{outlet}}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/templates/yarn-queue/apps.hbs

@@ -0,0 +1,28 @@
+{{!
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+}}
+
+<div class="row">
+  <div class="col-lg-12 container-fluid">
+    {{#if model.apps}}
+      {{app-table table-id="apps-table" arr=model.apps}}
+      {{simple-table table-id="apps-table" bFilter=true colTypes="elapsed-time" colTargets="7"}}
+    {{else}}
+      <h4 align = "center">Could not find any applications from this cluster</h4>
+    {{/if}}
+  </div>
+</div>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/templates/yarn-queue/info.hbs

@@ -0,0 +1,84 @@
+{{!
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+}}
+
+<div class="row">
+
+  <div class="col-lg-6 container-fluid">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        Queue Capacities: {{model.selected}}
+      </div>
+      <div class="container-fluid" id="capacity-bar-chart">
+        <br/>
+        {{bar-chart data=model.selectedQueue.capacitiesBarChartData
+        title=""
+        parentId="capacity-bar-chart"
+        textWidth=170
+        ratio=0.55
+        maxHeight=350}}
+      </div>
+    </div>
+  </div>
+
+  <div class="col-lg-6 container-fluid">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        Queue Information: {{model.selected}}
+      </div>
+      {{queue-configuration-table queue=model.selectedQueue}}
+    </div>
+  </div>
+
+</div>
+
+<div class="row">
+
+  <div class="col-lg-6 container-fluid">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        Running Apps: {{model.selected}}
+      </div>
+      <div class="container-fluid" id="numapplications-donut-chart">
+        {{donut-chart data=model.selectedQueue.numOfApplicationsDonutChartData
+        showLabels=true
+        parentId="numapplications-donut-chart"
+        ratio=0.6
+        maxHeight=350}}
+      </div>
+    </div>
+  </div>
+
+  {{#if model.selectedQueue.hasUserUsages}}
+    <div class="col-lg-6 container-fluid">
+      <div class="panel panel-default">
+        <div class="panel-heading">
+          User Usages: {{model.selected}}
+        </div>
+        <div class="container-fluid"  id="userusage-donut-chart">
+          {{donut-chart data=model.selectedQueue.userUsagesDonutChartData
+          showLabels=true
+          parentId="userusage-donut-chart"
+          type="memory"
+          ratio=0.6
+          maxHeight=350}}
+        </div>
+      </div>
+    </div>
+  {{/if}}
+
+</div>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/templates/yarn-queues.hbs

@@ -26,7 +26,7 @@
     <div class="col-lg-4 container-fluid">
       <div class="panel panel-default">
         <div class="panel-heading">
-          Queue Information
+          Queue Information: {{model.selected}}
         </div>
         {{queue-configuration-table queue=model.selectedQueue}}
       </div>
@@ -35,7 +35,7 @@
     <div class="col-lg-4 container-fluid">
       <div class="panel panel-default">
         <div class="panel-heading">
-          Queue Capacities
+          Queue Capacities: {{model.selected}}
         </div>
         <div class="container-fluid" id="capacity-bar-chart">
           <br/>
@@ -52,7 +52,7 @@
     <div class="col-lg-4 container-fluid">
       <div class="panel panel-default">
         <div class="panel-heading">
-          Running Apps
+          Running Apps: {{model.selected}}
         </div>
         <div class="container-fluid" id="numapplications-donut-chart">
           {{donut-chart data=model.selectedQueue.numOfApplicationsDonutChartData

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/tests/unit/routes/yarn-queue/apps-test.js

@@ -18,7 +18,7 @@
 
 import { moduleFor, test } from 'ember-qunit';
 
-moduleFor('route:yarn-queue-apps', 'Unit | Route | yarn queue apps', {
+moduleFor('route:yarn-queue/apps', 'Unit | Route | yarn queue/apps', {
   // Specify the other units that are required for this test.
   // needs: ['controller:foo']
 });

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/tests/unit/routes/yarn-queue/info-test.js

@@ -18,13 +18,12 @@
 
 import { moduleFor, test } from 'ember-qunit';
 
-moduleFor('controller:yarn-queue-apps', 'Unit | Controller | yarn queue apps', {
+moduleFor('route:yarn-queue/info', 'Unit | Route | yarn queue/info', {
   // Specify the other units that are required for this test.
   // needs: ['controller:foo']
 });
 
-// Replace this with your real tests.
 test('it exists', function(assert) {
-  let controller = this.subject();
+  let route = this.subject();
-  assert.ok(controller);
+  assert.ok(route);
 });