def METHOD_NAME(self):
    input_line = "ckan.site_title  =  CKAN "
    out = config_tool.parse_option_string("app:main", input_line)
    assert repr(out) == "<Option [app:main] ckan.site_title  =  CKAN >"
    assert str(out) == "ckan.site_title  =  CKAN "
    assert out.key == "ckan.site_title"
    assert out.value == "CKAN"