require 'rails_helper'

describe ApplicationController do
  controller do
    def index
      render text: 'nothing'
    end
  end

  context '#geocode_locale' do
    let(:user_ip) { 'ip' }
    let(:country) { double country: 'country' }
    let(:locale) { 'locale' }

    before do
      controller.stub(:ip).and_return user_ip
    end

    context 'locale set in session' do
      before do
        session[:locale] = locale
      end

      it 'should not change locale' do
        expect(Geocoder).not to_receive(:search)
        expect do
          get :index
        end.not_to change { session[:locale] }
      end
    end

    context 'locale is not in session yet' do
      it 'should get country and change session' do
        expect(Geocoder).to receive(:search).with(user_ip).
                              and_return([country])
        expect(I18nData).to receive(:country_code).with('country').
                              and_return(locale)

        expect do
          get :index
        end.to change { session[:locale] }.to locale.to_sym
      end
    end
  end
end