require 'spec_helper'

describe DownloadsController do
  describe '#show' do
    let(:user) { FactoryGirl.create(:user) }
    let(:another_user) { FactoryGirl.create(:user) }
    let(:generic_file) {
      FactoryGirl.create(:file_with_work, user: user, content: File.open(fixture_file_path('files/image.png')))
    }

    it "raise not_found if the object does not exist" do
      get :show, id: '8675309'
      expect(response).to be_not_found
    end

    context "when user doesn't have access" do
      before do
        # generic_file
        sign_in another_user
      end
      it "redirects to root" do
        get :show, id: generic_file.to_param
        expect(response).to redirect_to root_path
        expect(flash["alert"]).to eq "You are not authorized to access this page."
      end
    end

    context "when user isn't logged in" do
      # before { generic_file }
      it "redirects to sign in" do
        get :show, id: generic_file.to_param
        expect(response).to redirect_to new_user_session_path
        expect(flash["alert"]).to eq "You are not authorized to access this page."
      end
    end

    it 'sends the file if the user has access' do
      # generic_file
      sign_in user
      get :show, id: generic_file.to_param
      expect(response.body).to eq generic_file.original_file.content
    end

    it 'sends requested file content' do
      Hydra::Works::AddFileToGenericFile.call(generic_file, File.open(fixture_file_path('world.png')), :thumbnail)
      sign_in user
      get :show, id: generic_file.to_param, file: 'thumbnail'
      expect(response.body).to eq generic_file.thumbnail.content
    end
  end
end