import unittest
from app import normalize_slug
class T(unittest.TestCase):
 def test_all(self):
  self.assertEqual(normalize_slug('  Hello, 24GB GPU!  '),'hello-24gb-gpu')
  self.assertEqual(normalize_slug('A__B---C'),'a-b-c')
  self.assertEqual(normalize_slug('***'),'')
if __name__=='__main__': unittest.main()
