def test_calculate_total_difficulty_none_valid():
"""Test the _calculate_total_difficulty when none of the
characteristics are valid.
"""
word = Word("ejemplo")
word._length = None
word._silent_letters = None
word._shared_phonemes = None
with pytest.raises(ValueError):
word._calculate_total_difficulty()
def test_calculate_total_difficulty(
difficulty_length,
difficulty_silent,
difficulty_shared_phonemes,
total_difficulty_expected,
):
"""Test the _calculate_total_difficulty."""
word = Word("ejemplo")
word._length = difficulty_length
word._silent_letters = difficulty_silent
word._shared_phonemes = difficulty_shared_phonemes
total_difficulty_observed = word._calculate_total_difficulty()
assert total_difficulty_observed == total_difficulty_expected