text: import pytest
  
  from pdoc.doc_ast import _dedent, _parse
  
  
  def test_dedent():
      # not indented
      assert _dedent("def foo(): pass") == "def foo(): pass"
  
      # indented
      assert (
          _dedent(
              """\
      def foo():
          pass"""
          )
          == "def foo():\n        pass"
      )
  
      # with decorator
      assert (
          _dedent(
              """\
      @foo
      def foo():
          pass"""
          )
          == "@foo\ndef foo():\n        pass"
      )
  
      # with decorator and comment
      assert (
          _dedent(
              """\
      @foo
      # hello world
      def foo():
          pass"""
          )
          == "@foo\n# hello world\ndef foo():\n        pass"
      )
  
  
  def test_parse_error():
      with pytest.warns(RuntimeWarning, match="Error parsing source code"):
          assert _parse("!!!")
  