rspec with devise

def login_as(user)
  raise "Was expecting a User. Got a #{user.class} instead. Exiting." if user.class != User
  @controller.request.env['warden'] = mock(
    Warden, 
    :authenticate => user, 
    :authenticate! => user,
    :authenticated? => true,
    :authenticate? => true
  )
  user.last_sign_in_at = Time.now
  user.save!
end

def logout
  @controller.stub(:current_user) { nil }
end

def stub_user_for_helper
  # TODO: this is probably NOT the right way to do this - but couldn't find Devise::TestHelpers to do this
  # would be nice to clean this up - make it just part of the context instead of needing to be 
  # explicitly called in the :before block.
  helper.stub(:current_user) {nil}
  helper.stub(:user_signed_in?) {false}
end

RSpec.configure do |config|
  config.include Devise::TestHelpers, :type => :controller
end