spec/mongoid/changeable_spec.rb in mongoid-4.0.2 vs spec/mongoid/changeable_spec.rb in mongoid-5.0.0.beta

@@ -659,12 +659,30 @@
       end
 
       it "returns an array of changed field names" do
         expect(person.changed).to include("title")
       end
+
     end
 
+    context "When the document has changed but changed back to the original" do
+
+      let(:person) do
+        Person.instantiate(title: "Grand Poobah")
+      end
+
+      before do
+        person.title = "Captain Obvious"
+        person.title = nil
+      end
+
+      it "returns an array of changed field names" do
+        expect(person.changed).not_to include("title")
+      end
+
+    end
+
     context "when the document has not changed" do
 
       let(:person) do
         Person.instantiate({})
       end
@@ -788,9 +806,61 @@
         address.number = 10
       end
 
       it "returns true" do
         expect(person).to be_changed
+      end
+    end
+
+    context "when changed? has been called before child elements size change" do
+
+      let(:person) do
+        Person.create
+      end
+
+      let(:address) do
+        person.addresses.create(street: "hobrecht")
+      end
+
+      let!(:location) do
+        address.locations.create(name: "home")
+      end
+
+      before do
+        person.changed?
+      end
+
+      context "when adding via new" do
+
+        before do
+          address.locations.new
+        end
+
+        it "returns true" do
+          expect(person).to be_changed
+        end
+      end
+
+      context "when adding via build" do
+
+        before do
+          address.locations.build
+        end
+
+        it "returns true" do
+          expect(person).to be_changed
+        end
+      end
+
+      context "when adding via create" do
+
+        before do
+          address.locations.create
+        end
+
+        it "returns false" do
+          expect(person).to_not be_changed
+        end
       end
     end
 
     context "when a deeply embedded child has changed" do