defp deps do
  [
    {:factory_girl_elixir, "~> 0.1.1"}
  ]
end

def application do
  [applications: [:factory_girl_elixir]]
end

defmodule Factory do
  use FactoryGirlElixir.Factory

  factory :user do
    field :password, "secret"
    # create a sequence using an anonymous functions
    field :username, fn(n) ->
      "username#{n}"
    end
    # or an anonymous functions shortcut
    field :email, &("foo#{&1}@example.com")
  end

  factory :assets do
    field :name, "bob"
  end
end

user = Factory.attributes_for(:user) #=> %{password: "secret", username: "username1", email: "[email protected]"}
parametrized_user = user |> Factory.parametrize #=> %{"email" => "[email protected]", "password" => "secret", "username" => "username1"}

user = Factory.attributes_for(:user, email: "[email protected]") #=> %{password: "secret", username: "username1", email: "[email protected]"}