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multiverse support for Elixir Standard Library

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multiverses lib multiverses replicant.ex
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lib/multiverses/replicant.ex 

defmodule MultiversesTest.Replicant do

  @doc """

  allows you to replicate test module multiple times, forcing them to

  be run concurrently.  This helps prove that the system can be run

  in parallel without issue.

  """



  defmacro defmoduler(module, do: do_block) do

    module = Macro.expand(module, __CALLER__)



    replication = "REPLICATION"

    |> System.get_env("1")

    |> String.to_integer



    for index <- 1..replication do

      module_instance = Module.concat(module, "Instance#{index}Test")

      quote do

        defmodule unquote(module_instance), do: unquote(do_block)

      end

    end

  end

end