Step definition DSL.

Usage

defmodule MySteps do
  use Cucumberex.DSL

  given_ "I have {int} cukes in my belly", fn world, count ->
    Map.put(world, :cukes, count)
  end

  when_ ~r/I eat (\d+) cukes/, fn world, count_str ->
    count = String.to_integer(count_str)
    Map.update(world, :cukes, 0, &(&1 - count))
  end

  then_ "I should have {int} cukes", fn world, expected ->
    if world.cukes != expected do
      raise "Expected #{expected} cukes, got #{world.cukes}"
    end
    world
  end
end

Step functions: fn world, arg1, arg2, ... -> new_world end Call pending() inside to mark a step pending.