def test_for_numbers(self):
self.assertTrue(sy.isDigit("0"))
self.assertTrue(sy.isDigit("1"))
self.assertTrue(sy.isDigit("2"))
self.assertTrue(sy.isDigit("3"))
self.assertTrue(sy.isDigit("4"))
self.assertTrue(sy.isDigit("5"))
self.assertTrue(sy.isDigit("6"))
self.assertTrue(sy.isDigit("7"))
self.assertTrue(sy.isDigit("8"))
self.assertTrue(sy.isDigit("9"))
def test_for_non_numbers(self):
self.assertFalse(sy.isDigit("a"))
self.assertFalse(sy.isDigit("("))
self.assertFalse(sy.isDigit(")"))
self.assertFalse(sy.isDigit("["))
self.assertFalse(sy.isDigit("]"))
self.assertFalse(sy.isDigit("+"))
self.assertFalse(sy.isDigit("-"))
self.assertFalse(sy.isDigit("*"))
self.assertFalse(sy.isDigit("/"))
self.assertFalse(sy.isDigit("~"))
def test_wrong_input_type(self):
with self.assertRaises(TypeError):
sy.isDigit(1)
def test_empty_char(self):
with self.assertRaises(ValueError):
sy.isDigit('')
def test_non_digit(self):
sy.isDigit('a')
self.assertRaises(Exception)
def test_large_digit(self):
with self.assertRaises(ValueError):
sy.isDigit('666')
def test_single_digit(self):
isDigit = sy.isDigit('0')
self.assertTrue(isDigit)