IEx Test Helper

.iex.exs

defmodule TestHelper do
  @moduledoc """
  Reloads files and run's ExUnit tests in current directory
  
  Note: Use of this helper may cause issues with state from
  previous runs.  A possible solution to this may lie in 
  spawn/1, Task, or IEx.Helpers.respawn/1
  """
  def run_tests do                                                                                                                                                                                                                        
    Code.unload_files(Code.loaded_files)                                                                                                                                                                                                  
    Path.wildcard("*_test.exs")                                                                                                                                                                                                           
    |> Enum.map(& Code.load_file &1)                                                                                                                                                                                                      
                                                                                                                                                                                                                                          
    ExUnit.Server.cases_loaded                                                                                                                                                                                                            
    ExUnit.run                                                                                                                                                                                                                            
  end                                                                                                                                                                                                                                     
end