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Concurrent feature tests for elixir

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wallaby lib wallaby helpers key_codes.ex
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lib/wallaby/helpers/key_codes.ex 

defmodule Wallaby.Helpers.KeyCodes do

  @moduledoc """

  Helper utility for converting key atoms into key codes sutiable to send over

  the wire.

  """



  @doc """

  Encode a list of key codes to a usable json representation.

  """

  @spec json(list(atom)) :: String.t



  def json(keys) when is_list(keys) do

    unicode =

      keys

      |> Enum.map(&"\"#{code(&1)}\"")

      |> Enum.join(",")



    "{\"value\": [#{unicode}]}"

  end



  defp code(:null),      do: "\\uE000"

  defp code(:cancel),    do: "\\uE001"

  defp code(:help),      do: "\\uE002"

  defp code(:backspace), do: "\\uE003"

  defp code(:tab),       do: "\\uE004"

  defp code(:clear),     do: "\\uE005"

  defp code(:return),    do: "\\uE006"

  defp code(:enter),     do: "\\uE007"

  defp code(:shift),     do: "\\uE008"

  defp code(:control),   do: "\\uE009"

  defp code(:alt),       do: "\\uE00A"

  defp code(:pause),     do: "\\uE00B"

  defp code(:escape),    do: "\\uE00C"



  defp code(:space),       do: "\\uE00D"

  defp code(:pageup),      do: "\\uE00E"

  defp code(:pagedown),    do: "\\uE00F"

  defp code(:end),         do: "\\uE010"

  defp code(:home),        do: "\\uE011"

  defp code(:left_arrow),  do: "\\uE012"

  defp code(:up_arrow),    do: "\\uE013"

  defp code(:right_arrow), do: "\\uE014"

  defp code(:down_arrow),  do: "\\uE015"

  defp code(:insert),      do: "\\uE016"

  defp code(:delete),      do: "\\uE017"

  defp code(:semicolon),   do: "\\uE018"

  defp code(:equals),      do: "\\uE019"



  defp code(:num0),      do: "\\uE01A"

  defp code(:num1),      do: "\\uE01B"

  defp code(:num2),      do: "\\uE01C"

  defp code(:num3),      do: "\\uE01D"

  defp code(:num4),      do: "\\uE01E"

  defp code(:num5),      do: "\\uE01F"

  defp code(:num6),      do: "\\uE020"

  defp code(:num7),      do: "\\uE021"

  defp code(:num8),      do: "\\uE022"

  defp code(:num9),      do: "\\uE023"



  defp code(:multiply),  do: "\\uE024"

  defp code(:add),       do: "\\uE025"

  defp code(:seperator), do: "\\uE026"

  defp code(:subtract),  do: "\\uE027"

  defp code(:decimal),   do: "\\uE028"

  defp code(:divide),    do: "\\uE029"



  defp code(:command),   do: "\\uE03D"

end