accent/test/test_helper.exs

defmodule Accent.FormatterTestHelper do
  def test_parse(variant, parser) do
    context = %Langue.Formatter.SerializerResult{render: variant.render} |> parser.parse

    {variant.entries, context.entries}
  end

  def test_serialize(variant, serializer, locale \\ "fr") do
    context =
      %Langue.Formatter.ParserResult{
        entries: variant.entries,
        locale: locale,
        top_of_the_file_comment: variant.top_of_the_file_comment,
        header: variant.header
      }
      |> serializer.serialize

    {variant.render, context.render}
  end
end

defmodule Langue.Expectation.Case do
  defmacro __using__(_) do
    quote do
      def top_of_the_file_comment, do: ""
      def header, do: ""

      defoverridable top_of_the_file_comment: 0, header: 0
    end
  end
end

ExUnit.start()
Ecto.Adapters.SQL.Sandbox.mode(Accent.Repo, :manual)