def test_truncate_title_that_is_too_long():
truncated_title = 'a' * 253 # the title will be truncated this much
title = truncated_title + 'aaaaa' # len(title) > 256
expected = truncated_title + '...'
actual = FoodPost.truncate(title)
assert actual != title
assert actual == expected
def test_truncate_returns_none_for_none_input():
assert FoodPost.truncate(None) is None
def test_truncate_does_nothing_for_shorter_title():
title = 'something short'
assert FoodPost.truncate(title) == title