text: # coding: utf-8
  from ..str_converters import to_camel_case, to_const, to_snake_case
  
  
  def test_snake_case():
      assert to_snake_case('snakesOnAPlane') == 'snakes_on_a_plane'
      assert to_snake_case('SnakesOnAPlane') == 'snakes_on_a_plane'
      assert to_snake_case('SnakesOnA_Plane') == 'snakes_on_a__plane'
      assert to_snake_case('snakes_on_a_plane') == 'snakes_on_a_plane'
      assert to_snake_case('snakes_on_a__plane') == 'snakes_on_a__plane'
      assert to_snake_case('IPhoneHysteria') == 'i_phone_hysteria'
      assert to_snake_case('iPhoneHysteria') == 'i_phone_hysteria'
  
  
  def test_camel_case():
      assert to_camel_case('snakes_on_a_plane') == 'snakesOnAPlane'
      assert to_camel_case('snakes_on_a__plane') == 'snakesOnA_Plane'
      assert to_camel_case('i_phone_hysteria') == 'iPhoneHysteria'
  
  
  def test_to_const():
      assert to_const('snakes $1. on a "#plane') == 'SNAKES_1_ON_A_PLANE'
  