require 'spec_helper'

describe HighVoltage::PagesController do
  render_views

  context 'using default configuration' do
    describe 'on GET to /pages/exists' do
      before { get :show, :id => 'exists' }

      it 'responds with success and render template' do
        expect(response).to be_success
        expect(response).to render_template('exists')
      end

      it 'uses the default layout used by ApplicationController' do
        expect(response).to render_template('layouts/application')
      end
    end

    describe 'on GET to /pages/dir/nested' do
      before { get :show, :id => 'dir/nested' }

      it 'responds with success and render template' do
        expect(response).to be_success
        expect(response).to render_template('pages/dir/nested')
      end
    end

    it 'raises a routing error for an invalid page' do
      expect { get :show, id: 'invalid' }
        .to raise_error(ActionController::RoutingError)
    end

    it 'raises a routing error for a page in another directory' do
      expect { get :show, id: '../other/wrong' }
        .to raise_error(ActionController::RoutingError)
    end

    it 'raises a missing template error for valid page with invalid partial' do
      expect { get :show, id: 'exists_but_references_nonexistent_partial' }
        .to raise_error(ActionView::MissingTemplate)
    end
  end

  context 'using custom layout' do
    before(:each) do
      HighVoltage.layout = 'alternate'
    end

    describe 'on GET to /pages/exists' do
      before { get :show, :id => 'exists' }

      it 'uses the custom configured layout' do
        expect(response).not_to render_template('layouts/application')
        expect(response).to render_template('layouts/alternate')
      end
    end
  end

  context 'using custom content path' do
    before(:each) do
      HighVoltage.content_path = 'other_pages/'
      Rails.application.reload_routes!
    end

    describe 'on GET to /other_pages/also_exists' do
      before { get :show, :id => 'also_exists' }

      it 'responds with success and render template' do
        expect(response).to be_success
        expect(response).to render_template('other_pages/also_exists')
      end
    end

    describe 'on GET to /other_pages/also_dir/nested' do
      before { get :show, :id => 'also_dir/also_nested' }

      it 'responds with success and render template' do
        expect(response).to be_success
        expect(response).to render_template('other_pages/also_dir/also_nested')
      end
    end

    it 'raises a routing error for an invalid page' do
      expect { get :show, id: 'also_invalid' }
        .to raise_error(ActionController::RoutingError)
    end

    context 'page in another directory' do
      it 'raises a routing error' do
        expect { get :show, id: '../other_wrong' }
          .to raise_error(ActionController::RoutingError)
      end

      it 'raises a routing error when using a Unicode exploit' do
        expect { get :show, id: '/\\../other/wrong' }
          .to raise_error(ActionController::RoutingError)
      end
    end

    it 'raises a missing template error for valid page with invalid partial' do
      id = 'also_exists_but_references_nonexistent_partial'

      expect { get :show, id: id }
        .to raise_error(ActionView::MissingTemplate)
    end
  end
end