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francis

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Boilerplate killer using Plug with Bandit to quickly build endpoints, websocket and SSE listeners

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francis test support router_tester.ex
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test/support/router_tester.ex 

defmodule Support.RouteTester do

  @moduledoc """

  Generates test modules with Francis to test routes in isolation.

  """

  def generate_module(handlers \\ nil, opts \\ []) do

    mod = Module.concat(Elixir, "TestMod#{random_string()}")

    plugs = Keyword.get(opts, :plugs, [])

    static = Keyword.get(opts, :static)

    parser = Keyword.get(opts, :parser)

    bandit_opts = Keyword.get(opts, :bandit_opts, [])

    error_handler = Keyword.get(opts, :error_handler)



    content =

      quote do

        use Francis,

          plugs: unquote(plugs),

          static: unquote(static),

          parser: unquote(parser),

          bandit_opts: unquote(bandit_opts),

          error_handler: unquote(error_handler)



        unquote(handlers)

      end



    Module.create(mod, content, Macro.Env.location(__ENV__))

    mod

  end



  defp random_string do

    System.unique_integer([:positive])

    |> Integer.to_string(36)

    |> Base.encode16(case: :upper)

  end

end