text: import pytest
  from theoops import logs
  
  
  def test_color(settings):
      settings.no_colors = False
      assert logs.color('red') == 'red'
      settings.no_colors = True
      assert logs.color('red') == ''
  
  
  @pytest.mark.usefixtures('no_colors')
  @pytest.mark.parametrize('debug, stderr', [
      (True, 'DEBUG: test\n'),
      (False, '')])
  def test_debug(capsys, settings, debug, stderr):
      settings.debug = debug
      logs.debug('test')
      assert capsys.readouterr() == ('', stderr)
  