## rspec
describe Account do
  before(:each) do
    #group_proxy = mock("group", :id => 1, :null_object => true)
    @group = mock_model(Group)
    @group.stub!(:id, 1)
    @group.stub!(:new_record?, false)
    @group.stub!(:name, 'Test Group')

    @valid_attributes = {
      :username => "user001",
      :password => "pass001",
      :email => "test@icoretech.org",
      :group_id => 1,
      :first_name => "user",
      :last_name => "user",
      :time_zone => "Rome",
      :phone => "+3938575996",
      :group_id => @group
    }
  end

  it "should create a new instance given valid attributes" do
    Account.create!(@valid_attributes)
  end
end

## model
  def ensure_group_exists
     errors.add("Group ID") unless Group.exists?(group_id)
  end