def test_clean_ones_twos():
tel = [1, 1, 2, 1, 3, 1, 1]
tel_comb = telephone_combination.telephone_number(
telephone_util.telephone_util(), tel)
words = tel_comb.print_words()
assert len(words) == 9
def test_gen_tel_comb():
tel = [9, 1, 9, 4, 4, 2, 6]
tel_comb = telephone_combination.telephone_number(
telephone_util.telephone_util(), tel)
words = tel_comb.print_words()
assert len(words) == 729
def test_gen_tel_comb2():
tel = [9, 9, 9, 9, 9, 9, 9]
tel_comb = telephone_combination.telephone_number(
telephone_util.telephone_util(), tel)
words = tel_comb.print_words()
assert len(words) == pow(3, 7)
def test_clean():
tel = [4, 9, 7, 1, 9, 2, 7]
tel_comb = telephone_combination.telephone_number(
telephone_util.telephone_util(), tel)
words = tel_comb.print_words()
assert len(words) == 729
def test_util():
k = 2
p = 1
util = telephone_util.telephone_util()
assert util.get_char_key(k, p) == 'a'