def test_find_path_if_words_are_defined_trough_instance_variables(self):
word_ladder = WordLadder(
os.path.join(word_lists_dir, 'word_lists',
'linux_english_words_length_4'))
word_ladder.start = 'sail'
word_ladder.end = 'fear'
eq_(word_ladder.find_path(),
['sail', 'hail', 'hair', 'heir', 'hear', 'fear'])
def test_words_has_same_length_method(self):
word_ladder = WordLadder(
os.path.join(word_lists_dir, 'word_lists', 'linux_english_words'))
eq_(word_ladder.words_has_same_length(), None)
word_ladder.start = '1234'
eq_(word_ladder.words_has_same_length(), None)
word_ladder.end = '1234'
eq_(word_ladder.words_has_same_length(), True)
word_ladder.start = '12345'
eq_(word_ladder.words_has_same_length(), False)