loadRelations from collections and integers more testing.

src/datastore/async_methods/loadRelations.js

@@ -75,11 +75,12 @@ function loadRelations(resourceName, instance, relations, options) {
     }
 
     if (DSUtils.isArray(instance)) {
-      var instances = [];
-      angular.forEach(instance, function(object) {
-        instances.push(DS.get(resourceName, object));
+      instance = instance.map(function(object) {
+        if (DSUtils.isString(object) || DSUtils.isNumber(object)) {
+          object = DS.get(resourceName, object);
+        }
+        return object;
       });
-      instance = instances;
     }
 
     if (!definition) {

test/integration/datastore/async_methods/loadRelations.test.js

@@ -209,7 +209,7 @@ describe('DS.loadRelations(resourceName, instance(Id), relations[, options]): ',
 
     $httpBackend.flush();
   });
-  it('should load relations from array of objects', function () {
+  it('should load relations from array of integers', function () {
     DS.inject('user', user10);
     DS.inject('user', user16);
 
@@ -223,6 +223,22 @@ describe('DS.loadRelations(resourceName, instance(Id), relations[, options]): ',
       assert.equal(users[1].organization.id, organization15.id);
     }, fail);
 
+    $httpBackend.flush();
+  });
+  it('should load relations from collection', function () {
+    DS.inject('user', user10);
+    DS.inject('user', user16);
+
+    $httpBackend.expectGET('http://test.angular-cache.com/organization/14').respond(200, organization14);
+    $httpBackend.expectGET('http://test.angular-cache.com/organization/15').respond(200, organization15);
+
+    DS.loadRelations('user', [user10, user16], ['organization']).then(function (users) {
+      assert.isObject(users[0].organization);
+      assert.equal(users[0].organization.id, organization14.id);
+      assert.isObject(users[1].organization);
+      assert.equal(users[1].organization.id, organization15.id);
+    }, fail);
+
     $httpBackend.flush();
   });
 });