def testsuite(testdata, filename, outdir, table_size, deflate_table_size):
res = {
'draft':
6,
'description':
'''\
Encoded by nghttp2. The basic encoding strategy is described in \
http://lists.w3.org/Archives/Public/ietf-http-wg/2013JulSep/1135.html \
We use huffman encoding only if it produces strictly shorter byte string than \
original. We make some headers not indexing at all, but this does not always \
result in less bits on the wire.'''
}
cases = []
deflater = nghttp2.HDDeflater(deflate_table_size)
deflater.change_table_size(table_size)
for casenum, item in enumerate(testdata['cases']):
outitem = {'headers': item['headers']}
casenum += 1
hdrs = [(list(x.keys())[0].encode('utf-8'),
list(x.values())[0].encode('utf-8')) \
for x in item['headers']]
outitem['wire'] = b2a_hex(deflater.deflate(hdrs)).decode('utf-8')
cases.append(outitem)
if cases:
cases[0]['header_table_size'] = table_size
res['cases'] = cases
jsonstr = json.dumps(res, indent=2)
with open(os.path.join(outdir, filename), 'w') as f:
f.write(jsonstr)
def testsuite(testdata, filename, outdir, table_size, deflate_table_size,
simulate_table_size_change):
res = {
'draft':9,
'description': '''\
Encoded by nghttp2. The basic encoding strategy is described in \
http://lists.w3.org/Archives/Public/ietf-http-wg/2013JulSep/1135.html \
We use huffman encoding only if it produces strictly shorter byte string than \
original. We make some headers not indexing at all, but this does not always \
result in less bits on the wire.'''
}
cases = []
deflater = nghttp2.HDDeflater(deflate_table_size)
if table_size != nghttp2.DEFAULT_HEADER_TABLE_SIZE:
deflater.change_table_size(table_size)
num_item = len(testdata['cases'])
change_points = {}
if simulate_table_size_change and num_item > 1:
change_points[num_item * 2 // 3] = table_size * 2 // 3
change_points[num_item // 3] = table_size // 3
for casenum, item in enumerate(testdata['cases']):
outitem = {
'seqno': casenum,
'headers': item['headers']
}
if casenum in change_points:
new_table_size = change_points[casenum]
deflater.change_table_size(new_table_size)
outitem['header_table_size'] = new_table_size
casenum += 1
hdrs = [(list(x.keys())[0].encode('utf-8'),
list(x.values())[0].encode('utf-8')) \
for x in item['headers']]
outitem['wire'] = b2a_hex(deflater.deflate(hdrs)).decode('utf-8')
cases.append(outitem)
if cases and table_size != nghttp2.DEFAULT_HEADER_TABLE_SIZE:
cases[0]['header_table_size'] = table_size
res['cases'] = cases
jsonstr = json.dumps(res, indent=2)
with open(os.path.join(outdir, filename), 'w') as f:
f.write(jsonstr)
def __init__(self):
self._e = nghttp2.HDDeflater()