text: import logging
  import os
  import tempfile
  
  import pytest
  
  import handypy.utils as utils
  
  
  def test_validate_folder():
      with tempfile.NamedTemporaryFile() as f:
          with pytest.raises(FileExistsError):
              utils.validate_folder(f.name)
  
      with tempfile.TemporaryDirectory() as f:
          utils.validate_folder(f)
          utils.validate_folder(f + "/test")
          assert os.path.isdir(f + '/test'), "Fail to create folder"
  
  
  def test_load_yaml_namespace():
      config = """a: 3"""
      f = tempfile.NamedTemporaryFile()
      with open(f.name, 'w') as fp:
          fp.write(config)
  
      z = utils.load_yaml_namespace(f.name)
      assert z.a == 3, "yaml failed"
      f.close()
  
  
  def test_set_log():
      utils.set_log("info")
      utils.set_log("error")
      utils.set_log("unknown")
      logging.info("finished")
  