from fh_passphrase import PasswordMaker
from pytest import raises

def split_password(password):
 letters = []
 special = []

 for i in range(len(password)):
  if not i % 2:
   letters += password[i]
  else:
   special += password[i]

 return letters, special

def test_passwordmaker():
 maker = PasswordMaker()

 with raises(ValueError):
  maker.generate_password("Short sentence.")

 sentence = "This is a longer sentence."

 password = maker.generate_password(sentence)
 letters, special = split_password(password)

 assert letters == [word[0] for word in sentence.split()]

 assert len(special) == len(letters) - 1

 for char in special:
  assert char in maker.special