mitmproxy/test/http2/test_frames.py
2015-06-05 20:55:32 +02:00

705 lines
21 KiB
Python

import cStringIO
from test import tutils
from nose.tools import assert_equal
from netlib import tcp
from netlib.http2.frame import *
def hex_to_file(data):
data = data.decode('hex')
return tcp.Reader(cStringIO.StringIO(data))
def test_invalid_flags():
tutils.raises(
ValueError,
DataFrame,
flags=ContinuationFrame.FLAG_END_HEADERS,
stream_id=0x1234567,
payload='foobar')
def test_frame_equality():
a = DataFrame(
length=6,
flags=Frame.FLAG_END_STREAM,
stream_id=0x1234567,
payload='foobar')
b = DataFrame(
length=6,
flags=Frame.FLAG_END_STREAM,
stream_id=0x1234567,
payload='foobar')
assert_equal(a, b)
def test_too_large_frames():
f = DataFrame(
length=9000,
flags=Frame.FLAG_END_STREAM,
stream_id=0x1234567,
payload='foobar' * 3000)
tutils.raises(FrameSizeError, f.to_bytes)
def test_data_frame_to_bytes():
f = DataFrame(
length=6,
flags=Frame.FLAG_END_STREAM,
stream_id=0x1234567,
payload='foobar')
assert_equal(f.to_bytes().encode('hex'), '000006000101234567666f6f626172')
f = DataFrame(
length=11,
flags=(Frame.FLAG_END_STREAM | Frame.FLAG_PADDED),
stream_id=0x1234567,
payload='foobar',
pad_length=3)
assert_equal(
f.to_bytes().encode('hex'),
'00000a00090123456703666f6f626172000000')
f = DataFrame(
length=6,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
payload='foobar')
tutils.raises(ValueError, f.to_bytes)
def test_data_frame_from_bytes():
f = Frame.from_file(hex_to_file('000006000101234567666f6f626172'))
assert isinstance(f, DataFrame)
assert_equal(f.length, 6)
assert_equal(f.TYPE, DataFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_END_STREAM)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.payload, 'foobar')
f = Frame.from_file(hex_to_file('00000a00090123456703666f6f626172000000'))
assert isinstance(f, DataFrame)
assert_equal(f.length, 10)
assert_equal(f.TYPE, DataFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_END_STREAM | Frame.FLAG_PADDED)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.payload, 'foobar')
def test_data_frame_human_readable():
f = DataFrame(
length=11,
flags=(Frame.FLAG_END_STREAM | Frame.FLAG_PADDED),
stream_id=0x1234567,
payload='foobar',
pad_length=3)
assert f.human_readable()
def test_headers_frame_to_bytes():
f = HeadersFrame(
length=6,
flags=(Frame.FLAG_NO_FLAGS),
stream_id=0x1234567,
header_block_fragment='668594e75e31d9'.decode('hex'))
assert_equal(f.to_bytes().encode('hex'), '000007010001234567668594e75e31d9')
f = HeadersFrame(
length=10,
flags=(HeadersFrame.FLAG_PADDED),
stream_id=0x1234567,
header_block_fragment='668594e75e31d9'.decode('hex'),
pad_length=3)
assert_equal(
f.to_bytes().encode('hex'),
'00000b01080123456703668594e75e31d9000000')
f = HeadersFrame(
length=10,
flags=(HeadersFrame.FLAG_PRIORITY),
stream_id=0x1234567,
header_block_fragment='668594e75e31d9'.decode('hex'),
exclusive=True,
stream_dependency=0x7654321,
weight=42)
assert_equal(
f.to_bytes().encode('hex'),
'00000c012001234567876543212a668594e75e31d9')
f = HeadersFrame(
length=14,
flags=(HeadersFrame.FLAG_PADDED | HeadersFrame.FLAG_PRIORITY),
stream_id=0x1234567,
header_block_fragment='668594e75e31d9'.decode('hex'),
pad_length=3,
exclusive=True,
stream_dependency=0x7654321,
weight=42)
assert_equal(
f.to_bytes().encode('hex'),
'00001001280123456703876543212a668594e75e31d9000000')
f = HeadersFrame(
length=14,
flags=(HeadersFrame.FLAG_PADDED | HeadersFrame.FLAG_PRIORITY),
stream_id=0x1234567,
header_block_fragment='668594e75e31d9'.decode('hex'),
pad_length=3,
exclusive=False,
stream_dependency=0x7654321,
weight=42)
assert_equal(
f.to_bytes().encode('hex'),
'00001001280123456703076543212a668594e75e31d9000000')
f = HeadersFrame(
length=6,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
header_block_fragment='668594e75e31d9'.decode('hex'))
tutils.raises(ValueError, f.to_bytes)
def test_headers_frame_from_bytes():
f = Frame.from_file(hex_to_file(
'000007010001234567668594e75e31d9'))
assert isinstance(f, HeadersFrame)
assert_equal(f.length, 7)
assert_equal(f.TYPE, HeadersFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, '668594e75e31d9'.decode('hex'))
f = Frame.from_file(hex_to_file(
'00000b01080123456703668594e75e31d9000000'))
assert isinstance(f, HeadersFrame)
assert_equal(f.length, 11)
assert_equal(f.TYPE, HeadersFrame.TYPE)
assert_equal(f.flags, HeadersFrame.FLAG_PADDED)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, '668594e75e31d9'.decode('hex'))
f = Frame.from_file(hex_to_file(
'00000c012001234567876543212a668594e75e31d9'))
assert isinstance(f, HeadersFrame)
assert_equal(f.length, 12)
assert_equal(f.TYPE, HeadersFrame.TYPE)
assert_equal(f.flags, HeadersFrame.FLAG_PRIORITY)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, '668594e75e31d9'.decode('hex'))
assert_equal(f.exclusive, True)
assert_equal(f.stream_dependency, 0x7654321)
assert_equal(f.weight, 42)
f = Frame.from_file(hex_to_file(
'00001001280123456703876543212a668594e75e31d9000000'))
assert isinstance(f, HeadersFrame)
assert_equal(f.length, 16)
assert_equal(f.TYPE, HeadersFrame.TYPE)
assert_equal(f.flags, HeadersFrame.FLAG_PADDED | HeadersFrame.FLAG_PRIORITY)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, '668594e75e31d9'.decode('hex'))
assert_equal(f.exclusive, True)
assert_equal(f.stream_dependency, 0x7654321)
assert_equal(f.weight, 42)
f = Frame.from_file(hex_to_file(
'00001001280123456703076543212a668594e75e31d9000000'))
assert isinstance(f, HeadersFrame)
assert_equal(f.length, 16)
assert_equal(f.TYPE, HeadersFrame.TYPE)
assert_equal(f.flags, HeadersFrame.FLAG_PADDED | HeadersFrame.FLAG_PRIORITY)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, '668594e75e31d9'.decode('hex'))
assert_equal(f.exclusive, False)
assert_equal(f.stream_dependency, 0x7654321)
assert_equal(f.weight, 42)
def test_headers_frame_human_readable():
f = HeadersFrame(
length=7,
flags=(HeadersFrame.FLAG_PADDED | HeadersFrame.FLAG_PRIORITY),
stream_id=0x1234567,
header_block_fragment=b'',
pad_length=3,
exclusive=False,
stream_dependency=0x7654321,
weight=42)
assert f.human_readable()
f = HeadersFrame(
length=14,
flags=(HeadersFrame.FLAG_PADDED | HeadersFrame.FLAG_PRIORITY),
stream_id=0x1234567,
header_block_fragment='668594e75e31d9'.decode('hex'),
pad_length=3,
exclusive=False,
stream_dependency=0x7654321,
weight=42)
assert f.human_readable()
def test_priority_frame_to_bytes():
f = PriorityFrame(
length=5,
flags=(Frame.FLAG_NO_FLAGS),
stream_id=0x1234567,
exclusive=True,
stream_dependency=0x7654321,
weight=42)
assert_equal(f.to_bytes().encode('hex'), '000005020001234567876543212a')
f = PriorityFrame(
length=5,
flags=(Frame.FLAG_NO_FLAGS),
stream_id=0x1234567,
exclusive=False,
stream_dependency=0x7654321,
weight=21)
assert_equal(f.to_bytes().encode('hex'), '0000050200012345670765432115')
f = PriorityFrame(
length=5,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
stream_dependency=0x1234567)
tutils.raises(ValueError, f.to_bytes)
f = PriorityFrame(
length=5,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
stream_dependency=0x0)
tutils.raises(ValueError, f.to_bytes)
def test_priority_frame_from_bytes():
f = Frame.from_file(hex_to_file('000005020001234567876543212a'))
assert isinstance(f, PriorityFrame)
assert_equal(f.length, 5)
assert_equal(f.TYPE, PriorityFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.exclusive, True)
assert_equal(f.stream_dependency, 0x7654321)
assert_equal(f.weight, 42)
f = Frame.from_file(hex_to_file('0000050200012345670765432115'))
assert isinstance(f, PriorityFrame)
assert_equal(f.length, 5)
assert_equal(f.TYPE, PriorityFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.exclusive, False)
assert_equal(f.stream_dependency, 0x7654321)
assert_equal(f.weight, 21)
def test_priority_frame_human_readable():
f = PriorityFrame(
length=5,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
exclusive=False,
stream_dependency=0x7654321,
weight=21)
assert f.human_readable()
def test_rst_stream_frame_to_bytes():
f = RstStreamFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
error_code=0x7654321)
assert_equal(f.to_bytes().encode('hex'), '00000403000123456707654321')
f = RstStreamFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0)
tutils.raises(ValueError, f.to_bytes)
def test_rst_stream_frame_from_bytes():
f = Frame.from_file(hex_to_file('00000403000123456707654321'))
assert isinstance(f, RstStreamFrame)
assert_equal(f.length, 4)
assert_equal(f.TYPE, RstStreamFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.error_code, 0x07654321)
def test_rst_stream_frame_human_readable():
f = RstStreamFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
error_code=0x7654321)
assert f.human_readable()
def test_settings_frame_to_bytes():
f = SettingsFrame(
length=0,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0)
assert_equal(f.to_bytes().encode('hex'), '000000040000000000')
f = SettingsFrame(
length=0,
flags=SettingsFrame.FLAG_ACK,
stream_id=0x0)
assert_equal(f.to_bytes().encode('hex'), '000000040100000000')
f = SettingsFrame(
length=6,
flags=SettingsFrame.FLAG_ACK,
stream_id=0x0,
settings={
SettingsFrame.SETTINGS.SETTINGS_ENABLE_PUSH: 1})
assert_equal(f.to_bytes().encode('hex'), '000006040100000000000200000001')
f = SettingsFrame(
length=12,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
settings={
SettingsFrame.SETTINGS.SETTINGS_ENABLE_PUSH: 1,
SettingsFrame.SETTINGS.SETTINGS_MAX_CONCURRENT_STREAMS: 0x12345678})
assert_equal(
f.to_bytes().encode('hex'),
'00000c040000000000000200000001000312345678')
f = SettingsFrame(
length=0,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567)
tutils.raises(ValueError, f.to_bytes)
def test_settings_frame_from_bytes():
f = Frame.from_file(hex_to_file('000000040000000000'))
assert isinstance(f, SettingsFrame)
assert_equal(f.length, 0)
assert_equal(f.TYPE, SettingsFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x0)
f = Frame.from_file(hex_to_file('000000040100000000'))
assert isinstance(f, SettingsFrame)
assert_equal(f.length, 0)
assert_equal(f.TYPE, SettingsFrame.TYPE)
assert_equal(f.flags, SettingsFrame.FLAG_ACK)
assert_equal(f.stream_id, 0x0)
f = Frame.from_file(hex_to_file('000006040100000000000200000001'))
assert isinstance(f, SettingsFrame)
assert_equal(f.length, 6)
assert_equal(f.TYPE, SettingsFrame.TYPE)
assert_equal(f.flags, SettingsFrame.FLAG_ACK, 0x0)
assert_equal(f.stream_id, 0x0)
assert_equal(len(f.settings), 1)
assert_equal(f.settings[SettingsFrame.SETTINGS.SETTINGS_ENABLE_PUSH], 1)
f = Frame.from_file(hex_to_file(
'00000c040000000000000200000001000312345678'))
assert isinstance(f, SettingsFrame)
assert_equal(f.length, 12)
assert_equal(f.TYPE, SettingsFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x0)
assert_equal(len(f.settings), 2)
assert_equal(f.settings[SettingsFrame.SETTINGS.SETTINGS_ENABLE_PUSH], 1)
assert_equal(
f.settings[
SettingsFrame.SETTINGS.SETTINGS_MAX_CONCURRENT_STREAMS],
0x12345678)
def test_settings_frame_human_readable():
f = SettingsFrame(
length=12,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
settings={})
assert f.human_readable()
f = SettingsFrame(
length=12,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
settings={
SettingsFrame.SETTINGS.SETTINGS_ENABLE_PUSH: 1,
SettingsFrame.SETTINGS.SETTINGS_MAX_CONCURRENT_STREAMS: 0x12345678})
assert f.human_readable()
def test_push_promise_frame_to_bytes():
f = PushPromiseFrame(
length=10,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
promised_stream=0x7654321,
header_block_fragment='foobar')
assert_equal(
f.to_bytes().encode('hex'),
'00000a05000123456707654321666f6f626172')
f = PushPromiseFrame(
length=14,
flags=HeadersFrame.FLAG_PADDED,
stream_id=0x1234567,
promised_stream=0x7654321,
header_block_fragment='foobar',
pad_length=3)
assert_equal(
f.to_bytes().encode('hex'),
'00000e0508012345670307654321666f6f626172000000')
f = PushPromiseFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
promised_stream=0x1234567)
tutils.raises(ValueError, f.to_bytes)
f = PushPromiseFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
promised_stream=0x0)
tutils.raises(ValueError, f.to_bytes)
def test_push_promise_frame_from_bytes():
f = Frame.from_file(hex_to_file('00000a05000123456707654321666f6f626172'))
assert isinstance(f, PushPromiseFrame)
assert_equal(f.length, 10)
assert_equal(f.TYPE, PushPromiseFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, 'foobar')
f = Frame.from_file(hex_to_file(
'00000e0508012345670307654321666f6f626172000000'))
assert isinstance(f, PushPromiseFrame)
assert_equal(f.length, 14)
assert_equal(f.TYPE, PushPromiseFrame.TYPE)
assert_equal(f.flags, PushPromiseFrame.FLAG_PADDED)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, 'foobar')
def test_push_promise_frame_human_readable():
f = PushPromiseFrame(
length=14,
flags=HeadersFrame.FLAG_PADDED,
stream_id=0x1234567,
promised_stream=0x7654321,
header_block_fragment='foobar',
pad_length=3)
assert f.human_readable()
def test_ping_frame_to_bytes():
f = PingFrame(
length=8,
flags=PingFrame.FLAG_ACK,
stream_id=0x0,
payload=b'foobar')
assert_equal(
f.to_bytes().encode('hex'),
'000008060100000000666f6f6261720000')
f = PingFrame(
length=8,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
payload=b'foobardeadbeef')
assert_equal(
f.to_bytes().encode('hex'),
'000008060000000000666f6f6261726465')
f = PingFrame(
length=8,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567)
tutils.raises(ValueError, f.to_bytes)
def test_ping_frame_from_bytes():
f = Frame.from_file(hex_to_file('000008060100000000666f6f6261720000'))
assert isinstance(f, PingFrame)
assert_equal(f.length, 8)
assert_equal(f.TYPE, PingFrame.TYPE)
assert_equal(f.flags, PingFrame.FLAG_ACK)
assert_equal(f.stream_id, 0x0)
assert_equal(f.payload, b'foobar\0\0')
f = Frame.from_file(hex_to_file('000008060000000000666f6f6261726465'))
assert isinstance(f, PingFrame)
assert_equal(f.length, 8)
assert_equal(f.TYPE, PingFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x0)
assert_equal(f.payload, b'foobarde')
def test_ping_frame_human_readable():
f = PingFrame(
length=8,
flags=PingFrame.FLAG_ACK,
stream_id=0x0,
payload=b'foobar')
assert f.human_readable()
def test_goaway_frame_to_bytes():
f = GoAwayFrame(
length=8,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
last_stream=0x1234567,
error_code=0x87654321,
data=b'')
assert_equal(
f.to_bytes().encode('hex'),
'0000080700000000000123456787654321')
f = GoAwayFrame(
length=14,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
last_stream=0x1234567,
error_code=0x87654321,
data=b'foobar')
assert_equal(
f.to_bytes().encode('hex'),
'00000e0700000000000123456787654321666f6f626172')
f = GoAwayFrame(
length=8,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
last_stream=0x1234567,
error_code=0x87654321)
tutils.raises(ValueError, f.to_bytes)
def test_goaway_frame_from_bytes():
f = Frame.from_file(hex_to_file(
'0000080700000000000123456787654321'))
assert isinstance(f, GoAwayFrame)
assert_equal(f.length, 8)
assert_equal(f.TYPE, GoAwayFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x0)
assert_equal(f.last_stream, 0x1234567)
assert_equal(f.error_code, 0x87654321)
assert_equal(f.data, b'')
f = Frame.from_file(hex_to_file(
'00000e0700000000000123456787654321666f6f626172'))
assert isinstance(f, GoAwayFrame)
assert_equal(f.length, 14)
assert_equal(f.TYPE, GoAwayFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x0)
assert_equal(f.last_stream, 0x1234567)
assert_equal(f.error_code, 0x87654321)
assert_equal(f.data, b'foobar')
def test_go_away_frame_human_readable():
f = GoAwayFrame(
length=14,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
last_stream=0x1234567,
error_code=0x87654321,
data=b'foobar')
assert f.human_readable()
def test_window_update_frame_to_bytes():
f = WindowUpdateFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
window_size_increment=0x1234567)
assert_equal(f.to_bytes().encode('hex'), '00000408000000000001234567')
f = WindowUpdateFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
window_size_increment=0x7654321)
assert_equal(f.to_bytes().encode('hex'), '00000408000123456707654321')
f = WindowUpdateFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x0,
window_size_increment=0xdeadbeef)
tutils.raises(ValueError, f.to_bytes)
f = WindowUpdateFrame(4, Frame.FLAG_NO_FLAGS, 0x0, window_size_increment=0)
tutils.raises(ValueError, f.to_bytes)
def test_window_update_frame_from_bytes():
f = Frame.from_file(hex_to_file('00000408000000000001234567'))
assert isinstance(f, WindowUpdateFrame)
assert_equal(f.length, 4)
assert_equal(f.TYPE, WindowUpdateFrame.TYPE)
assert_equal(f.flags, Frame.FLAG_NO_FLAGS)
assert_equal(f.stream_id, 0x0)
assert_equal(f.window_size_increment, 0x1234567)
def test_window_update_frame_human_readable():
f = WindowUpdateFrame(
length=4,
flags=Frame.FLAG_NO_FLAGS,
stream_id=0x1234567,
window_size_increment=0x7654321)
assert f.human_readable()
def test_continuation_frame_to_bytes():
f = ContinuationFrame(
length=6,
flags=ContinuationFrame.FLAG_END_HEADERS,
stream_id=0x1234567,
header_block_fragment='foobar')
assert_equal(f.to_bytes().encode('hex'), '000006090401234567666f6f626172')
f = ContinuationFrame(
length=6,
flags=ContinuationFrame.FLAG_END_HEADERS,
stream_id=0x0,
header_block_fragment='foobar')
tutils.raises(ValueError, f.to_bytes)
def test_continuation_frame_from_bytes():
f = Frame.from_file(hex_to_file('000006090401234567666f6f626172'))
assert isinstance(f, ContinuationFrame)
assert_equal(f.length, 6)
assert_equal(f.TYPE, ContinuationFrame.TYPE)
assert_equal(f.flags, ContinuationFrame.FLAG_END_HEADERS)
assert_equal(f.stream_id, 0x1234567)
assert_equal(f.header_block_fragment, 'foobar')
def test_continuation_frame_human_readable():
f = ContinuationFrame(
length=6,
flags=ContinuationFrame.FLAG_END_HEADERS,
stream_id=0x1234567,
header_block_fragment='foobar')
assert f.human_readable()