placed doc at its right place and correct misconcepted test

Author: julien-leclercq

lib/ecto_atom.ex

@@ -1,18 +1,18 @@
-@moduledoc """
+defmodule Ecto.Atom do
+  @behaviour Ecto.Type
+  @moduledoc """
 
-You can do
+  You can do
 
-defmodule Post do
-  use Ecto.Schema
-  schema "posts" do
-    field :atom_field, Ecto.Atom
+  defmodule Post do
+    use Ecto.Schema
+    schema "posts" do
+      field :atom_field, Ecto.Atom
+    end
   end
-end
 
-to get :atom as you get "string" ;)
-"""
-defmodule Ecto.Atom do
-  @behaviour Ecto.Type
+  to get :atom as you get "string" ;)
+  """
 
   def type, do: :string
 

test/ecto_atom_test.exs

@@ -15,9 +15,15 @@ defmodule Ecto.AtomTest do
   end
 
   # `to_string` not working, why ?
-  # test "dump string" do
-  #   assert Ecto.Atom.dump("string") == {:ok, "string"}
-  # end
+  # Can't understand the below comment :/
+  test "dump string" do
+    assert Ecto.Atom.dump("string") == :error
+  end
+
+  test "can load past dumped data" do
+    { :ok, dumped_atom } = Ecto.Atom.dump :atom
+    assert Ecto.Atom.load(dumped_atom) == { :ok, :atom }
+  end
 
   test "dump :atom" do
     assert Ecto.Atom.dump(:atom) == {:ok, "atom"}