def test_neighbors_happy():
word_list = ["it", "is"]
num = 2
result = {"i*": ["it", "is"], "*t": ["it"], "*s": ["is"]}
assert word_ladder.Solution().neighbors(word_list, num) == result
def test_1(self):
beginWord = "hit"
endWord = "cog"
wordList = ["hot", "dot", "dog", "lot", "log", "cog"]
sol = word_ladder.Solution()
res = sol.ladderLength(beginWord, endWord, wordList)
self.assertEqual(res, 5)
def test_standard_transformations():
begin_word = "hit"
end_word = "cog"
word_list = ["hot", "dot", "dog", "lot", "log", "cog"]
assert word_ladder.Solution().ladder_length(begin_word, end_word,
word_list) == 5
def test_failed_use_case_two():
begin_word = "red"
end_word = "tax"
word_list = ["ted", "tex", "red", "tax", "tad", "den", "rex", "pee"]
assert word_ladder.Solution().ladder_length(begin_word, end_word,
word_list) == 4
def test_failed_use_case_two():
begin_word = "a"
end_word = "c"
word_list = ["a", "b", "c"]
assert word_ladder.Solution().ladder_length(begin_word, end_word,
word_list) == 2
def test_failed_use_case():
begin_word = "hot"
end_word = "dog"
word_list = ["hot", "dog", "dot"]
assert word_ladder.Solution().ladder_length(begin_word, end_word,
word_list) == 3
def test_end_word_not_in_word_list():
begin_word = "hit"
end_word = "cog"
word_list = ["hot", "dot", "dog", "lot", "log"]
assert word_ladder.Solution().ladder_length(begin_word, end_word,
word_list) == 0