Log an assertion if the response from createRecord does not have an i…

addon/-private/system/store.js

@@ -1634,7 +1634,7 @@ Store = Service.extend({
       this._backburner.schedule('normalizeRelationships', this, '_setupRelationships', internalModel, data);
       this.updateId(internalModel, data);
     }
-
+    assert(`Your ${internalModel.type.modelName} record was saved but it does not have an id. Please make the server provides an id in the createRecord response or you are setting the on the client side before saving the record.`, internalModel.id !== null);
     //We first make sure the primary data has been updated
     //TODO try to move notification to the user to the end of the runloop
     internalModel.adapterDidCommit(data);

tests/integration/adapter/rest-adapter-test.js

@@ -328,14 +328,14 @@ test("createRecord - a serializer's primary key and attributes are consulted whe
 test("createRecord - a serializer's attributes are consulted when building the payload if no id is pre-defined", function(assert) {
   var post;
   env.registry.register('serializer:post', DS.RESTSerializer.extend({
-    primarykey: '_id_',
-
     attrs: {
       name: '_name_'
     }
   }));
 
-  ajaxResponse();
+  ajaxResponse({
+    post: { '_name_': "The Parley Letter", id: '1' }
+  });
 
   run(function() {
     post = store.createRecord('post', { name: "The Parley Letter" });

tests/integration/adapter/store-adapter-test.js

@@ -1057,7 +1057,7 @@ test("createRecord receives a snapshot", function(assert) {
   var person;
 
   run(function() {
-    person = store.createRecord('person', { name: "Tom Dale" });
+    person = store.createRecord('person', { name: "Tom Dale", id: 1 });
     person.save();
   });
 });

tests/integration/client-id-generation-test.js

@@ -86,7 +86,7 @@ test("empty string and undefined ids should coerce to null", function(assert) {
 
   env.adapter.createRecord = function(store, type, record) {
     assert.equal(typeof get(record, 'id'), 'object', 'correct type');
-    return Ember.RSVP.resolve();
+    return Ember.RSVP.resolve({ id: 1 });
   };
 
   run(function() {

tests/integration/relationships/has-many-test.js

@@ -342,6 +342,7 @@ test("A hasMany updated link should not remove new children", function(assert) {
 
   env.adapter.createRecord = function(store, snapshot, link, relationship) {
     return Ember.RSVP.resolve({
+      id: 1,
       links: {
         comments: '/some/link'
       }
@@ -382,6 +383,7 @@ test("A hasMany updated link should not remove new children when the parent reco
 
   env.adapter.createRecord = function(store, snapshot, link, relationship) {
     return Ember.RSVP.resolve({
+      id: 1,
       links: {
         comments: '/some/link'
       }
@@ -2207,6 +2209,7 @@ test("adding and removing records from hasMany relationship #2666", function(ass
     })
   });
 
+  var commentId = 4;
   env.registry.register('adapter:comment', DS.RESTAdapter.extend({
     deleteRecord(record) {
       return Ember.RSVP.resolve();
@@ -2215,7 +2218,7 @@ test("adding and removing records from hasMany relationship #2666", function(ass
       return Ember.RSVP.resolve();
     },
     createRecord() {
-      return Ember.RSVP.resolve();
+      return Ember.RSVP.resolve({ comments: { id: commentId++ }});
     }
   }));
 

tests/integration/store-test.js

@@ -867,6 +867,19 @@ testInDebug('store#findRecord that returns an array should assert', assert => {
   }, /expected the primary data returned from a `findRecord` response to be an object but instead it found an array/);
 });
 
+testInDebug('store#didSaveRecord should assert when the response to a save does not include the id', function(assert) {
+  env.adapter.createRecord = function() {
+    return {};
+  };
+
+  assert.expectAssertion(function() {
+    run(function() {
+      var car = store.createRecord('car');
+      car.save();
+    });
+  }, /record was saved but it does not have an id. Please make the server provides an id in the createRecord/);
+});
+
 module("integration/store - queryRecord", {
   beforeEach() {
     initializeStore(DS.Adapter.extend());
@@ -892,3 +905,5 @@ testInDebug('store#queryRecord should assert when normalized payload of adapter
     });
   }, /Expected the primary data returned by the serializer for a `queryRecord` response to be a single object or null but instead it was an array./);
 });
+
+

tests/unit/model-test.js

@@ -370,7 +370,7 @@ test("changedAttributes() works while the record is being saved", function(asser
       assert.deepEqual(toObj(cat.changedAttributes()), {
         name: [undefined, 'Argon'],
         likes: [undefined, 'Cheese'] });
-      return {};
+      return { id: 1 };
     }
   });
   var Mascot = DS.Model.extend({