def test_add_option(self):
d = HeaderCollection()
d.add('CONTENT_TYPE', 'text/html', charset='utf-8')
assert d.get('Content-Type') == 'text/html; charset=utf-8'
assert d.get_option('Content-Type', 'charset') == 'utf-8'
assert d.get_option('Content-Type', 'random', 'test') == 'test'
