controller_helpers.rb

#/spec/support/controller_helpers.rb
module ControllerHelpers
  def login_devise_user(options = {})
    @request.env["devise.mapping"] = Devise.mappings[:user]
    user = FactoryGirl.create(:user, options)
    sign_in user
    user
  end

  def login_omniauth_user(provider)
    hash = build_hash(provider)
    user = user_from_hash!(hash)
    stub_env_for_omniauth!(provider, hash)
    sign_in user
    user
  end

  def stub_env_for_omniauth!(provider, hash)
    OmniAuth.config.add_mock(provider, hash)
    @request.env["devise.mapping"] = Devise.mappings[:user]
    @request.env["omniauth.auth"] = OmniAuth.config.mock_auth[provider]
  end
end