require 'spec_helper'

module ControllerResources
  RSpec.describe Extension, type: :lib do
    subject do
      TestController.new
    end

    before do
      subject.class_eval do
        include Extension

        resource :post do
          permit :title
        end
      end

      allow(subject).to receive(:params).and_return(
        double('Parameters', require: double('Required', permit: true))
      )
    end

    it 'defines model_name' do
      expect(subject.model_name).to eq :post
    end

    it 'defines collection_name' do
      expect(subject.collection_name).to eq :posts
    end

    it 'computes model from model_name' do
      expect(subject).to respond_to :model
      expect(subject.post).to eq subject.model
    end

    it 'computes collection from collection_name' do
      expect(subject).to respond_to :collection
      expect(subject.collection).to include(subject.model)
      expect(subject.posts).to eq subject.collection
    end

    it 'defines edit_params' do
      expect(subject.edit_params).to be_present
    end
  end
end