def test_str_multisplit_hypothesis(s, split_chars):
res = str_multisplit(s, split_chars)
assert type(res) is list
if len(s) == 0:
assert res == ['']
if len(split_chars) == 0:
assert res == [s]
for p in res:
assert all(c not in p for c in split_chars)
n_asserted_parts = 0
for c in set(split_chars):
n_asserted_parts += s.count(c)
assert len(res) == n_asserted_parts + 1
def test_str_multisplit():
punct = list(string.punctuation)
assert str_multisplit('US-Student', punct) == ['US', 'Student']
assert str_multisplit('-main_file.exe,',
punct) == ['', 'main', 'file', 'exe', '']