def test_n(self):
     self.assertFalse(NumericValidator.is_integer(3.14))
 def test_m(self):
     self.assertFalse(NumericValidator.is_integer('3.14'))
 def test_d(self):
     self.assertTrue(NumericValidator.is_integer(1))
 def test_i(self):
     self.assertFalse(NumericValidator.is_integer('TX'))
 def test_c(self):
     self.assertTrue(NumericValidator.is_integer('1'))