def test_equal_2(self):
     self.assertEqual(dashatize(5311), '5-3-1-1')
 def test_equal_8(self):
     self.assertEqual(dashatize(-28369), '28-3-6-9')
 def test_equal_1(self):
     self.assertEqual(dashatize(274), '2-7-4')
 def test_equal_7(self):
     self.assertEqual(dashatize(-1), '1')
 def test_equal_6(self):
     self.assertEqual(dashatize(0), '0')
 def test_equal_5(self):
     self.assertEqual(dashatize(None), 'None')
 def test_equal_4(self):
     self.assertEqual(dashatize(974302), '9-7-4-3-02')
 def test_equal_3(self):
     self.assertEqual(dashatize(86320), '86-3-20')