def _filter_letter(self, brains, current_letter):
"""Compares the title of the brain with the letter and
filter matching elements
"""
if not current_letter:
return brains
filtered_brains = []
for brain in brains:
letter = normalized_first_letter(brain.Title)
if letter == current_letter:
filtered_brains.append(brain)
elif current_letter == '#' and letter not in ALPHABET:
filtered_brains.append(brain)
return filtered_brains
def test_normalizes_umlauts(self):
self.assertEquals('A', normalized_first_letter('\xc3\xa4bc'))
def test_returns_uppercase_letter(self):
self.assertEquals('T', normalized_first_letter('test'))
