require "spec_helper"

shared_examples_for "sluggable" do |updatable_slug_trait:|
  describe "generate_slug" do
    let(:factory_name) { described_class.name.parameterize(separator: "_").to_sym }
    let(:sluggable) { create(factory_name, name: "Marló Brañido Carlo") }

    context "when a new sluggable is created" do
      it "gets a slug string" do
        expect(sluggable.slug).to eq("marlo-branido-carlo")
      end
    end

    context "slug updating condition is true" do
      it "slug is updated" do
        updatable = create(factory_name, updatable_slug_trait, name: "Old Name")
        expect { updatable.update(name: "New Name") }
          .to change { updatable.slug }.from("old-name").to("new-name")
      end
    end

    context "slug updating condition is false" do
      it "slug isn't updated" do
        expect { sluggable.update(name: "New Name") }.not_to change { sluggable.slug }
      end
    end
  end
end