def test_nothing(self):
     self.assertFalse(Validate.validate_positive_int(""))
 def test_null(self):
     self.assertFalse(Validate.validate_positive_int("0"))
 def test_string(self):
     self.assertFalse(Validate.validate_positive_int("hsvee"))
 def test_nuber(self):
     self.assertFalse(Validate.validate_positive_int("-15"))
 def test_positive(self):
     self.assertTrue(Validate.validate_positive_int("42"))