def test_can_decode_a_story(self, story): d = Decoder() # We test against draft 9 of the HPACK spec. if story['draft'] != 9: skip("We test against draft 9, not draft %d" % story['draft']) for case in story['cases']: try: d.header_table_size = case['header_table_size'] except KeyError: pass decoded_headers = d.decode(unhexlify(case['wire'])) # The correct headers are a list of dicts, which is annoying. correct_headers = [ (item[0], item[1]) for header in case['headers'] for item in header.items() ] correct_headers = correct_headers assert correct_headers == decoded_headers assert all( isinstance(header, HeaderTuple) for header in decoded_headers )
def test_resizing_header_table(self): # We need to decode a substantial number of headers, to populate the # header table. This string isn't magic: it's the output from the # equivalent test for the Encoder. d = Decoder() data = ( b'\x82\x87D\x87a\x07\xa4\xacV4\xcfA\x8c\xf1\xe3\xc2\xe5\xf2:k\xa0' b'\xab\x90\xf4\xff@\x88%\xa8I\xe9[\xa9}\x7f\x89%\xa8I\xe9[\xb8\xe8' b'\xb4\xbfz\xbc\xd0\x7ff\xa2\x81\xb0\xda\xe0S\xfa\xd02\x1a\xa4\x9d' b'\x13\xfd\xa9\x92\xa4\x96\x854\x0c\x8aj\xdc\xa7\xe2\x81\x02\xef}' b'\xa9g{\x81qp\x7fjb):\x9d\x81\x00 \x00@\x150\x9a\xc2\xca\x7f,\x05' b'\xc5\xc1S\xb0I|\xa5\x89\xd3M\x1fC\xae\xba\x0cA\xa4\xc7\xa9\x8f3' b'\xa6\x9a?\xdf\x9ah\xfa\x1du\xd0b\r&=Ly\xa6\x8f\xbe\xd0\x01w\xfe' b'\xbeX\xf9\xfb\xed\x00\x17{@\x8a\xfc[=\xbdF\x81\xad\xbc\xa8O\x84y' b'\xe7\xde\x7f' ) d.decode(data) # Resize the header table to a size so small that nothing can be in it. d.header_table_size = 40 assert len(d.header_table.dynamic_entries) == 0