double

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Double is a simple library to help build injectable dependencies for your tests. It does NOT override behavior of existing modules or functions.

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double lib double spy_helper.ex

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lib/double/spy_helper.ex

defmodule Double.SpyHelper do
  @moduledoc """
  Helper functions for spy args
  """

  def create_args(_, 0), do: []

  def create_args(fn_mod, arg_cnt) do
    Enum.map(1..arg_cnt, &Macro.var(:"arg#{&1}", fn_mod))
  end
end

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