def test_that_is_int_sequence_returns_false_for_alnum_str(self): assert_false(is_int_sequence("hehe"))
def test_that_is_int_sequence_returns_true_for_digit(self): assert_true(is_int_sequence("143"))
def test_that_is_int_sequence_returns_false_for_some_alfanum_str(self): assert_false(is_int_sequence("h345aha"))
def test_that_is_int_sequence_returns_true_for_int_sequence(self): assert_true(is_int_sequence("1-3,7,10"))