discourse/spec/lib/service_spec.rb

# frozen_string_literal: true

RSpec.describe Service do
  let(:service_class) { Class.new { include Service::Base } }

  describe "Steps" do
    describe "Model step" do
      context "when providing default values to step implementation" do
        before do
          service_class.class_eval do
            model :my_model

            def fetch_my_model(default_arg: 2)
              true
            end
          end
        end

        it "raises an error" do
          expect { service_class.call }.to raise_error(/In model 'my_model': default values/)
        end
      end
    end

    describe "Policy step" do
      context "when providing default values to step implementation" do
        before do
          service_class.class_eval do
            policy :my_policy

            def my_policy(default_arg: 2)
              true
            end
          end
        end

        it "raises an error" do
          expect { service_class.call }.to raise_error(/In policy 'my_policy': default values/)
        end
      end
    end

    describe "Generic step" do
      context "when providing default values to step implementation" do
        before do
          service_class.class_eval do
            step :generic_step

            def generic_step(default_arg: 2)
              true
            end
          end
        end

        it "raises an error" do
          expect { service_class.call }.to raise_error(/In step 'generic_step': default values/)
        end
      end
    end
  end
end