Can refresh queued posts via button

test/javascripts/helpers/create-pretender.js.es6

@@ -225,7 +225,10 @@ export default function() {
         if (qp.id) { result = result.filterBy('id', parseInt(qp.id)); }
       }
 
-      return response({ widgets: result, total_rows_widgets: 4, load_more_widgets: '/load-more-widgets' });
+      return response({ widgets: result,
+                        total_rows_widgets: 4,
+                        load_more_widgets: '/load-more-widgets',
+                        refresh_widgets: '/widgets?refresh=true' });
     });
 
     this.get('/load-more-widgets', function() {

test/javascripts/models/result-set-test.js.es6

@@ -10,6 +10,7 @@ test('defaults', function() {
   ok(!rs.get('loadMoreUrl'));
   ok(!rs.get('loading'));
   ok(!rs.get('loadingMore'));
+  ok(!rs.get('refreshing'));
 });
 
 test('pagination support', function() {
@@ -18,11 +19,29 @@ test('pagination support', function() {
     equal(rs.get('length'), 2);
     equal(rs.get('totalRows'), 4);
     ok(rs.get('loadMoreUrl'), 'has a url to load more');
+    ok(!rs.get('loadingMore'), 'it is not loading more');
 
-    rs.loadMore().then(function() {
+    const promise = rs.loadMore();
+
+    ok(rs.get('loadingMore'), 'it is loading more');
+    promise.then(function() {
+      ok(!rs.get('loadingMore'), 'it finished loading more');
       equal(rs.get('length'), 4);
       ok(!rs.get('loadMoreUrl'));
     });
   });
-
+});
+
+test('refresh support', function() {
+  const store = createStore();
+  store.findAll('widget').then(function(rs) {
+    equal(rs.get('refreshUrl'), '/widgets?refresh=true', 'it has the refresh url');
+
+    const promise = rs.refresh();
+
+    ok(rs.get('refreshing'), 'it is refreshing');
+    promise.then(function() {
+      ok(!rs.get('refreshing'), 'it is finished refreshing');
+    });
+  });
 });