def test_merge_unchaged():
"""
Calling merge on a bag with a bag whose characters
are already contained in the calling bag
should not change its contents
"""
bag_a = LetterBag("abcde")
bag_b = LetterBag("ae")
bag_a_str = bag_a.as_string()
bag_a.merge(bag_b)
assert bag_a.as_string() == bag_a_str
def jumbled( word_list, n ):
"""
Create an anagram of n strings randomly chosen
from word_list. The jumble is enough to create
any one of the selected words, but duplicates between
words are merged (see letterbag).
Args:
word_list: non-empty list of strings
n: 1 <= n <= len(word_list), number of words
to jumble together.
Returns:
A jumbled string with the property that any of the
selected strings from word_list can be formed. The
result should be the smallest jumble with this property
(i.e., duplicates between words have been removed).
"""
selected = random.sample(word_list, n)
bag = LetterBag("")
for word in selected:
bag.merge( LetterBag(word) )
letters = list(bag.as_string())
print("Letters: {}".format(letters))
random.shuffle(letters)
result = "".join(letters)
return result
def jumbled(word_list, n):
"""
Create an anagram of n strings randomly chosen
from word_list. The jumble is enough to create
any one of the selected words, but duplicates between
words are merged (see letterbag).
Args:
word_list: non-empty list of strings
n: 1 <= n <= len(word_list), number of words
to jumble together.
Returns:
A jumbled string with the property that any of the
selected strings from word_list can be formed. The
result should be the smallest jumble with this property
(i.e., duplicates between words have been removed).
"""
# Create the anagram
selected = random.sample(word_list, n)
bag = LetterBag("")
for word in selected:
bag.merge(LetterBag(word))
letters = list(bag.as_string())
print("Letters: {}".format(letters))
random.shuffle(letters)
result = "".join(letters)
return result
def test_simple_merge():
bag_abbc = LetterBag("abbc")
bag_abccd = LetterBag("abccd")
bag_abbc.merge(bag_abccd)
assert bag_abbc.as_string() == "abbccd"
def test_self_merge():
bag_ab = LetterBag("ab")
bag_ab2 = LetterBag("ab")
bag_ab.merge(bag_ab2)
assert bag_ab.as_string() == "ab"
def test_simple_merge():
bag_abbc = LetterBag("abbc")
bag_abccd = LetterBag("abccd")
bag_abbc.merge(bag_abccd)
assert bag_abbc.as_string() == "abbccd"
def test_empty_merge():
bag_abcddef = LetterBag("abcddef")
bag_empty = LetterBag("")
bag_abcddef.merge(bag_empty)
assert bag_abcddef.as_string() == "abcddef"
