require 'rails_helper' describe Gadget, :type => :model do it { is_expected.to be_versioned } let(:gadget) { Gadget.create!(:name => 'Wrench', :brand => 'Acme') } describe "updates", :versioning => true do it "should generate a version for updates to `name` attribute" do expect { gadget.update_attribute(:name, 'Hammer').to change{gadget.versions.size}.by(1) } end it "should ignore for updates to `brand` attribute" do expect { gadget.update_attribute(:brand, 'Stanley') }.to_not change{gadget.versions.size} end it "should still generate a version when only the `updated_at` attribute is updated" do expect { gadget.update_attribute(:updated_at, Time.now) }.to change{gadget.versions.size}.by(1) end end describe "Methods" do describe "Instance", :versioning => true do describe "private" do describe '#changed_notably?' do subject { Gadget.new(:created_at => Time.now) } # apparently the private methods list in Ruby18 is different than in Ruby19+ if RUBY_VERSION >= '1.9' it { expect(subject.private_methods).to include(:changed_notably?) } else it { expect(subject.private_methods).to include('changed_notably?') } end context "create events" do it { expect(subject.send(:changed_notably?)).to be true } end context "update events" do before { subject.save! } context "without update timestamps" do it "should only acknowledge non-ignored attrs" do subject.name = 'Wrench' expect(subject.send(:changed_notably?)).to be true end it "should not acknowledge ignored attr (brand)" do subject.brand = 'Acme' expect(subject.send(:changed_notably?)).to be false end end context "with update timestamps" do it "should only acknowledge non-ignored attrs" do subject.name, subject.updated_at = 'Wrench', Time.now expect(subject.send(:changed_notably?)).to be true end it "should not acknowledge ignored attrs and timestamps only" do subject.brand, subject.updated_at = 'Acme', Time.now expect(subject.send(:changed_notably?)).to be false end end end end end end end end