text: import pytest
  
  from ..handlers import _generate_prefix_to_handler, prefix_to_handler
  
  
  def test_prefix_to_handler():
      """
      If this test fails, copy the output from `print(expected)`
      to use as the value for `handlers.prefix_to_handler`.
      """
      expected = _generate_prefix_to_handler()
      print(expected)
      assert prefix_to_handler == expected
  
  
  @pytest.mark.parametrize("prefix", ["raw", "tag"])
  def test_legacy_prefixes_are_unhandled(prefix):
      """
      For backwards compatability, these prefixes should be unhandled.
      In the past, these prefixes referred to citekeys that were not
      resolvable identifiers by themselves.
      """
      assert prefix not in prefix_to_handler
  