def test_publisher_is_not_converted_if_missing(self):
book = Book()
book.publisher = None
csl = ReferenceToCSL.convert(book)
self.assertEqual(csl['publisher'], False)
def test_publisher_is_converted(self):
book = Book()
book.publisher = 'Aschehoug'
csl = ReferenceToCSL.convert(book)
self.assertEqual(csl['publisher'], 'Aschehoug')
