def test_longest_string_02():
# multiple strings
assert exam.longest_string(
["would", "you", "like", "fries", "with", "that"]) == "would"
assert exam.longest_string([
"yes", "thank", "you", "I'd", "want", "all", "the", "fries", "you",
"have"
]) == "thank"
def test_longest_string_05():
# random
for _ in range(100):
str_list = [
"".join(
random.choices(string.ascii_letters, k=random.randint(0, 50)))
for i in range(0, random.randint(0, 25))
]
longest_str = None
longest_length = -1
for stringy in str_list:
if len(stringy) > longest_length:
longest_length = len(stringy)
longest_str = stringy
assert exam.longest_string(str_list) == longest_str
def test_longest_string_04():
# no strings
assert exam.longest_string([]) is None
def test_longest_string_03():
# empty strings
assert exam.longest_string([""]) == ""
assert exam.longest_string(["", "", "", ""]) == ""
def test_longest_string_01():
# just one string
assert exam.longest_string(["hello"]) == "hello"
assert exam.longest_string([" . "]) == " . "