I am looking for questionnaires and tests that apply to clinical assessment of novel psychoactive substances addiction. Is there visual analogue scale for craving?
I do not know of any instruments designed specifically for synthetic cannabinoids or other "novel" drugs of the sort you describe. There are, however, reasonably well-validated measures of cocaine craving, alcohol craving, and opiate craving. I am attaching copies of articles concerning each of these (the test Manual in the case of alcohol); each article contains the actual item content. I think you could very easily adapt one or another of these for your present purpose. (I have not seen a cannabis craving measure, perhaps because traditionally cannabinoids were not viewed as "addictive" in the usual sense, but one may have been developed recently in light of increasing evidence of characteristic cannabis withdrawal symptoms.)
If you do develop a measure, please share it back with us! It could prove useful. And best of luck with your research program!