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# -*- coding: utf-8 -*-
import h2.settings
from h2.frame_buffer import FrameBuffer
from h2.connection import ConnectionState
from hyperframe.frame import (
Frame, DataFrame, RstStreamFrame, SettingsFrame, PushPromiseFrame,
WindowUpdateFrame, HeadersFrame, ContinuationFrame, GoAwayFrame,
PingFrame, FRAME_MAX_ALLOWED_LEN
)
from hpack.hpack_compat import Encoder
from hyper.http20.connection import HTTP20Connection
from hyper.http20.response import HTTP20Response, HTTP20Push
from hyper.http20.exceptions import ConnectionError, StreamResetError
from hyper.http20.util import (
combine_repeated_headers, split_repeated_headers, h2_safe_headers
)
from hyper.common.headers import HTTPHeaderMap
from hyper.common.util import to_bytestring
from hyper.compat import zlib_compressobj, is_py2
from hyper.contrib import HTTP20Adapter
import hyper.http20.errors as errors
import errno
import os
import pytest
import socket
import zlib
from io import BytesIO
TEST_DIR = os.path.abspath(os.path.dirname(__file__))
TEST_CERTS_DIR = os.path.join(TEST_DIR, 'certs')
CLIENT_PEM_FILE = os.path.join(TEST_CERTS_DIR, 'nopassword.pem')
def decode_frame(frame_data):
f, length = Frame.parse_frame_header(frame_data[:9])
f.parse_body(memoryview(frame_data[9:9 + length]))
assert 9 + length == len(frame_data)
return f
@pytest.fixture
def frame_buffer():
buffer = FrameBuffer()
buffer.max_frame_size = FRAME_MAX_ALLOWED_LEN
return buffer
class TestHyperConnection(object):
def test_connections_accept_hosts_and_ports(self):
c = HTTP20Connection(host='www.google.com', port=8080)
assert c.host == 'www.google.com'
assert c.port == 8080
assert c.proxy_host is None
def test_connections_can_parse_hosts_and_ports(self):
c = HTTP20Connection('www.google.com:8080')
assert c.host == 'www.google.com'
assert c.port == 8080
assert c.proxy_host is None
def test_connections_accept_proxy_hosts_and_ports(self):
c = HTTP20Connection('www.google.com', proxy_host='localhost:8443')
assert c.host == 'www.google.com'
assert c.proxy_host == 'localhost'
assert c.proxy_port == 8443
def test_connections_can_parse_proxy_hosts_and_ports(self):
c = HTTP20Connection('www.google.com',
proxy_host='localhost',
proxy_port=8443)
assert c.host == 'www.google.com'
assert c.proxy_host == 'localhost'
assert c.proxy_port == 8443
def test_connections_can_parse_ipv6_hosts_and_ports(self):
c = HTTP20Connection('[abcd:dcba::1234]',
proxy_host='[ffff:aaaa::1]:8443')
assert c.host == 'abcd:dcba::1234'
assert c.port == 443
assert c.proxy_host == 'ffff:aaaa::1'
assert c.proxy_port == 8443
def test_ping(self, frame_buffer):
def data_callback(chunk, **kwargs):
frame_buffer.add_data(chunk)
c = HTTP20Connection('www.google.com')
c._sock = DummySocket()
c._send_cb = data_callback
opaque = '00000000'
c.ping(opaque)
frames = list(frame_buffer)
assert len(frames) == 1
f = frames[0]
assert isinstance(f, PingFrame)
assert f.opaque_data == to_bytestring(opaque)
def test_putrequest_establishes_new_stream(self):
c = HTTP20Connection("www.google.com")
stream_id = c.putrequest('GET', '/')
stream = c.streams[stream_id]
assert len(c.streams) == 1
assert c.recent_stream is stream
def test_putrequest_autosets_headers(self):
c = HTTP20Connection("www.google.com")
c.putrequest('GET', '/')
s = c.recent_stream
assert list(s.headers.items()) == [
(b':method', b'GET'),
(b':scheme', b'https'),
(b':authority', b'www.google.com'),
(b':path', b'/'),
]
def test_putheader_puts_headers(self):
c = HTTP20Connection("www.google.com")
c.putrequest('GET', '/')
c.putheader('name', 'value')
s = c.recent_stream
assert list(s.headers.items()) == [
(b':method', b'GET'),
(b':scheme', b'https'),
(b':authority', b'www.google.com'),
(b':path', b'/'),
(b'name', b'value'),
]
def test_putheader_replaces_headers(self):
c = HTTP20Connection("www.google.com")
c.putrequest('GET', '/')
c.putheader(':authority', 'www.example.org', replace=True)
c.putheader('name', 'value')
c.putheader('name', 'value2', replace=True)
s = c.recent_stream
assert list(s.headers.items()) == [
(b':method', b'GET'),
(b':scheme', b'https'),
(b':authority', b'www.example.org'),
(b':path', b'/'),
(b'name', b'value2'),
]
def test_endheaders_sends_data(self, frame_buffer):
def data_callback(chunk, **kwargs):
frame_buffer.add_data(chunk)
c = HTTP20Connection('www.google.com')
c._sock = DummySocket()
c._send_cb = data_callback
c.putrequest('GET', '/')
c.endheaders()
frames = list(frame_buffer)
assert len(frames) == 1
f = frames[0]
assert isinstance(f, HeadersFrame)
def test_we_can_send_data_using_endheaders(self, frame_buffer):
def data_callback(chunk, **kwargs):
frame_buffer.add_data(chunk)
c = HTTP20Connection('www.google.com')
c._sock = DummySocket()
c._send_cb = data_callback
c.putrequest('GET', '/')
c.endheaders(message_body=b'hello there', final=True)
frames = list(frame_buffer)
assert len(frames) == 2
assert isinstance(frames[0], HeadersFrame)
assert frames[0].flags == set(['END_HEADERS'])
assert isinstance(frames[1], DataFrame)
assert frames[1].data == b'hello there'
assert frames[1].flags == set(['END_STREAM'])
def test_that_we_correctly_send_over_the_socket(self):
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
c.putrequest('GET', '/')
c.endheaders(message_body=b'hello there', final=True)
# Don't bother testing that the serialization was ok, that should be
# fine.
assert len(sock.queue) == 3
def test_we_can_read_from_the_socket(self):
sock = DummySocket()
sock.buffer = BytesIO(b'\x00\x00\x08\x00\x01\x00\x00\x00\x01testdata')
c = HTTP20Connection('www.google.com')
c._sock = sock
c.putrequest('GET', '/')
c.endheaders()
c._recv_cb()
s = c.recent_stream
assert s.data == [b'testdata']
def test_putrequest_sends_data(self):
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
c.request(
'GET',
'/',
body='hello',
headers={'Content-Type': 'application/json'}
)
# The socket should have received one headers frame and two body
# frames.
assert len(sock.queue) == 3
def test_request_with_utf8_bytes_body(self):
c = HTTP20Connection('www.google.com')
c._sock = DummySocket()
body = '你好' if is_py2 else '你好'.encode('utf-8')
c.request('GET', '/', body=body)
def test_request_with_unicode_body(self):
c = HTTP20Connection('www.google.com')
c._sock = DummySocket()
body = '你好'.decode('unicode-escape') if is_py2 else '你好'
c.request('GET', '/', body=body)
def test_different_request_headers(self):
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
c.request('GET', '/', body='hello', headers={b'name': b'value'})
s = c.recent_stream
assert list(s.headers.items()) == [
(b':method', b'GET'),
(b':scheme', b'https'),
(b':authority', b'www.google.com'),
(b':path', b'/'),
(b'name', b'value'),
]
c.request('GET', '/', body='hello', headers={u'name2': u'value2'})
s = c.recent_stream
assert list(s.headers.items()) == [
(b':method', b'GET'),
(b':scheme', b'https'),
(b':authority', b'www.google.com'),
(b':path', b'/'),
(b'name2', b'value2'),
]
def test_closed_connections_are_reset(self):
c = HTTP20Connection('www.google.com')
c._sock = DummySocket()
wm = c.window_manager
c.request('GET', '/')
c.close()
assert c._sock is None
assert not c.streams
assert c.recent_stream is None
assert c.next_stream_id == 1
assert c.window_manager is not wm
with c._conn as conn:
assert conn.state_machine.state == ConnectionState.IDLE
origin_h2_conn = conn
c.close()
assert c._sock is None
assert not c.streams
assert c.recent_stream is None
assert c.next_stream_id == 1
assert c.window_manager is not wm
with c._conn as conn:
assert conn.state_machine.state == ConnectionState.IDLE
assert conn != origin_h2_conn
def test_streams_removed_on_close(self):
# Create content for read from socket
e = Encoder()
h1 = HeadersFrame(1)
h1.data = e.encode([(':status', 200), ('content-type', 'foo/bar')])
h1.flags |= set(['END_HEADERS', 'END_STREAM'])
sock = DummySocket()
sock.buffer = BytesIO(h1.serialize())
c = HTTP20Connection('www.google.com')
c._sock = sock
stream_id = c.request('GET', '/')
# Create reference to current recent_recv_streams set
recent_recv_streams = c.recent_recv_streams
streams = c.streams
resp = c.get_response(stream_id=stream_id)
assert stream_id in recent_recv_streams
assert stream_id in streams
resp.read()
assert stream_id not in recent_recv_streams
assert stream_id not in streams
def test_connection_no_window_update_on_zero_length_data_frame(self):
# Prepare a socket with a data frame in it that has no length.
sock = DummySocket()
sock.buffer = BytesIO(DataFrame(1).serialize())
c = HTTP20Connection('www.google.com')
c._sock = sock
# We open a request here just to allocate a stream, but we throw away
# the frames it sends.
c.request('GET', '/')
sock.queue = []
# Read the frame.
c._recv_cb()
# No frame should have been sent on the connection.
assert len(sock.queue) == 0
def test_streams_are_cleared_from_connections_on_close(self):
# Prepare a socket so we can open a stream.
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
# Open a request (which creates a stream)
c.request('GET', '/')
# Close the stream.
c.streams[1].close()
# There should be nothing left, but the next stream ID should be
# unchanged.
assert not c.streams
assert c.next_stream_id == 3
def test_streams_raise_error_on_read_after_close(self):
# Prepare a socket so we can open a stream.
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
# Open a request (which creates a stream)
stream_id = c.request('GET', '/')
# close connection
c.close()
# try to read the stream
with pytest.raises(StreamResetError):
c.get_response(stream_id)
def test_reads_on_remote_close(self):
# Prepare a socket so we can open a stream.
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
# Open a few requests (which creates a stream)
s1 = c.request('GET', '/')
s2 = c.request('GET', '/')
# simulate state of blocking on read while sock
f = GoAwayFrame(0)
# Set error code to PROTOCOL_ERROR
f.error_code = 1
c._sock.buffer = BytesIO(f.serialize())
# 'Receive' the GOAWAY frame.
# Validate that the spec error name and description are used to throw
# the connection exception.
with pytest.raises(ConnectionError):
c.get_response(s1)
# try to read the stream
with pytest.raises(StreamResetError):
c.get_response(s2)
def test_race_condition_on_socket_close(self):
# Prepare a socket so we can open a stream.
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
# Open a few requests (which creates a stream)
s1 = c.request('GET', '/')
c.request('GET', '/')
# simulate state of blocking on read while sock
f = GoAwayFrame(0)
# Set error code to PROTOCOL_ERROR
f.error_code = 1
c._sock.buffer = BytesIO(f.serialize())
# 'Receive' the GOAWAY frame.
# Validate that the spec error name and description are used to throw
# the connection exception.
with pytest.raises(ConnectionError):
c.get_response(s1)
# try to read again after close
with pytest.raises(ConnectionError):
c._single_read()
def test_stream_close_behavior(self):
# Prepare a socket so we can open a stream.
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
# Open a few requests (which creates a stream)
s1 = c.request('GET', '/')
c.request('GET', '/')
# simulate state of blocking on read while sock
f = GoAwayFrame(0)
# Set error code to PROTOCOL_ERROR
f.error_code = 1
c._sock.buffer = BytesIO(f.serialize())
# 'Receive' the GOAWAY frame.
# Validate that the spec error name and description are used to throw
# the connection exception.
with pytest.raises(ConnectionError):
c.get_response(s1)
# try to read again after close
with pytest.raises(ConnectionError):
c._single_read()
def test_read_headers_out_of_order(self):
# If header blocks aren't decoded in the same order they're received,
# regardless of the stream they belong to, the decoder state will
# become corrupted.
e = Encoder()
h1 = HeadersFrame(1)
h1.data = e.encode([(':status', 200), ('content-type', 'foo/bar')])
h1.flags |= set(['END_HEADERS', 'END_STREAM'])
h3 = HeadersFrame(3)
h3.data = e.encode([(':status', 200), ('content-type', 'baz/qux')])
h3.flags |= set(['END_HEADERS', 'END_STREAM'])
sock = DummySocket()
sock.buffer = BytesIO(h1.serialize() + h3.serialize())
c = HTTP20Connection('www.google.com')
c._sock = sock
r1 = c.request('GET', '/a')
r3 = c.request('GET', '/b')
assert c.get_response(r3).headers == HTTPHeaderMap(
[('content-type', 'baz/qux')]
)
assert c.get_response(r1).headers == HTTPHeaderMap(
[('content-type', 'foo/bar')]
)
def test_headers_with_continuation(self):
e = Encoder()
header_data = e.encode([
(':status', 200), ('content-type', 'foo/bar'),
('content-length', '0')
])
h = HeadersFrame(1)
h.data = header_data[0:int(len(header_data) / 2)]
h.flags.add('END_STREAM')
c = ContinuationFrame(1)
c.data = header_data[int(len(header_data) / 2):]
c.flags.add('END_HEADERS')
sock = DummySocket()
sock.buffer = BytesIO(h.serialize() + c.serialize())
c = HTTP20Connection('www.google.com')
c._sock = sock
r = c.request('GET', '/')
assert set(c.get_response(r).headers.iter_raw()) == set(
[(b'content-type', b'foo/bar'), (b'content-length', b'0')]
)
def test_send_tolerate_peer_gone(self):
class ErrorSocket(DummySocket):
def sendall(self, data):
raise socket.error(errno.EPIPE)
c = HTTP20Connection('www.google.com')
c._sock = ErrorSocket()
f = SettingsFrame(0)
with pytest.raises(socket.error):
c._send_cb(f, False)
c._sock = DummySocket()
c._send_cb(f, True) # shouldn't raise an error
def test_connection_window_increments_appropriately(self, frame_buffer):
e = Encoder()
h = HeadersFrame(1)
h.data = e.encode([(':status', 200), ('content-type', 'foo/bar')])
h.flags = set(['END_HEADERS'])
d = DataFrame(1)
d.data = b'hi there sir'
d2 = DataFrame(1)
d2.data = b'hi there sir again'
d2.flags = set(['END_STREAM'])
sock = DummySocket()
sock.buffer = BytesIO(h.serialize() + d.serialize() + d2.serialize())
c = HTTP20Connection('www.google.com')
c._sock = sock
c.window_manager.window_size = 1000
c.window_manager.initial_window_size = 1000
c.request('GET', '/')
resp = c.get_response()
resp.read()
frame_buffer.add_data(b''.join(sock.queue))
queue = list(frame_buffer)
assert len(queue) == 3 # one headers frame, two window update frames.
assert isinstance(queue[1], WindowUpdateFrame)
assert queue[1].window_increment == len(b'hi there sir')
assert isinstance(queue[2], WindowUpdateFrame)
assert queue[2].window_increment == len(b'hi there sir again')
def test_stream_window_increments_appropriately(self, frame_buffer):
e = Encoder()
h = HeadersFrame(1)
h.data = e.encode([(':status', 200), ('content-type', 'foo/bar')])
h.flags = set(['END_HEADERS'])
d = DataFrame(1)
d.data = b'hi there sir'
d2 = DataFrame(1)
d2.data = b'hi there sir again'
sock = DummySocket()
sock.buffer = BytesIO(h.serialize() + d.serialize() + d2.serialize())
c = HTTP20Connection('www.google.com')
c._sock = sock
c.request('GET', '/')
c.streams[1]._in_window_manager.window_size = 1000
c.streams[1]._in_window_manager.initial_window_size = 1000
resp = c.get_response()
resp.read(len(b'hi there sir'))
resp.read(len(b'hi there sir again'))
frame_buffer.add_data(b''.join(sock.queue))
queue = list(frame_buffer)
assert len(queue) == 3 # one headers frame, two window update frames.
assert isinstance(queue[1], WindowUpdateFrame)
assert queue[1].window_increment == len(b'hi there sir')
assert isinstance(queue[2], WindowUpdateFrame)
assert queue[2].window_increment == len(b'hi there sir again')
def test_that_using_proxy_keeps_http_headers_intact(self):
sock = DummySocket()
c = HTTP20Connection(
'www.google.com', secure=False, proxy_host='localhost'
)
c._sock = sock
c.request('GET', '/')
s = c.recent_stream
assert list(s.headers.items()) == [
(b':method', b'GET'),
(b':scheme', b'http'),
(b':authority', b'www.google.com'),
(b':path', b'/'),
]
def test_recv_cb_n_times(self):
sock = DummySocket()
sock.can_read = True
c = HTTP20Connection('www.google.com')
c._sock = sock
mutable = {'counter': 0}
def consume_single_frame():
mutable['counter'] += 1
c._single_read = consume_single_frame
c._recv_cb()
assert mutable['counter'] == 10
def test_sending_file(self, frame_buffer):
# Prepare a socket so we can open a stream.
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
# Send a request that involves uploading a file handle.
with open(__file__, 'rb') as f:
c.request('GET', '/', body=f)
# Get all the frames
frame_buffer.add_data(b''.join(sock.queue))
frames = list(frame_buffer)
# Reconstruct the file from the sent data.
sent_data = b''.join(
f.data for f in frames if isinstance(f, DataFrame)
)
with open(__file__, 'rb') as f:
assert f.read() == sent_data
def test_closing_incomplete_stream(self, frame_buffer):
# Prepare a socket so we can open a stream.
sock = DummySocket()
c = HTTP20Connection('www.google.com')
c._sock = sock
# Send a request that involves uploading some data, but don't finish.
c.putrequest('POST', '/')
c.endheaders(message_body=b'some data', final=False)
# Close the stream.
c.streams[1].close()
# Get all the frames
frame_buffer.add_data(b''.join(sock.queue))
frames = list(frame_buffer)
# The last one should be a RST_STREAM frame.
f = frames[-1]
assert isinstance(f, RstStreamFrame)
assert 1 not in c.streams
def test_incrementing_window_after_close(self):
"""
Hyper does not attempt to increment the flow control window once the
stream is closed.
"""
# For this test, we want to send a response that has three frames at
# the default max frame size (16,384 bytes). That will, on the third
# frame, trigger the processing to increment the flow control window,
# which should then not happen.
f = SettingsFrame(0, settings={h2.settings.INITIAL_WINDOW_SIZE: 100})
c = HTTP20Connection('www.google.com')
c._sock = DummySocket()
c._sock.buffer = BytesIO(f.serialize())
# Open stream 1.
c.request('GET', '/')
# Check what data we've sent right now.
originally_sent_data = c._sock.queue[:]
# Swap out the buffer to get a GoAway frame.
length = 16384
total_length = (3 * 16384) + len(b'some more data')
e = Encoder()
h1 = HeadersFrame(1)
h1.data = e.encode(
[(':status', 200), ('content-length', '%d' % total_length)]
)
h1.flags |= set(['END_HEADERS'])
d1 = DataFrame(1)
d1.data = b'\x00' * length
d2 = d1
d3 = d1
d4 = DataFrame(1)
d4.data = b'some more data'
d4.flags |= set(['END_STREAM'])
buffer = BytesIO(
b''.join(f.serialize() for f in [h1, d1, d2, d3, d4])
)
c._sock.buffer = buffer
# Read the response
resp = c.get_response(stream_id=1)
assert resp.status == 200
assert resp.read() == b''.join(
[b'\x00' * (3 * length), b'some more data']
)
# We should have sent only one extra frame
assert len(originally_sent_data) + 1 == len(c._sock.queue)
class TestServerPush(object):
def setup_method(self, method):
self.frames = []
self.encoder = Encoder()
self.conn = None
def add_push_frame(self, stream_id, promised_stream_id, headers,
end_block=True):
frame = PushPromiseFrame(stream_id)
frame.promised_stream_id = promised_stream_id
frame.data = self.encoder.encode(headers)
if end_block:
frame.flags.add('END_HEADERS')
self.frames.append(frame)
def add_headers_frame(self, stream_id, headers, end_block=True,
end_stream=False):
frame = HeadersFrame(stream_id)
frame.data = self.encoder.encode(headers)
if end_block:
frame.flags.add('END_HEADERS')
if end_stream:
frame.flags.add('END_STREAM')
self.frames.append(frame)
def add_data_frame(self, stream_id, data, end_stream=False):
frame = DataFrame(stream_id)
frame.data = data
if end_stream:
frame.flags.add('END_STREAM')
self.frames.append(frame)
def request(self):
self.conn = HTTP20Connection('www.google.com', enable_push=True)
self.conn._sock = DummySocket()
self.conn._sock.buffer = BytesIO(
b''.join([frame.serialize() for frame in self.frames])
)
self.conn.request('GET', '/')
def assert_response(self):
self.response = self.conn.get_response()
assert self.response.status == 200
assert dict(self.response.headers) == {b'content-type': [b'text/html']}
def assert_pushes(self):
self.pushes = list(self.conn.get_pushes())
assert len(self.pushes) == 1
assert self.pushes[0].method == b'GET'
assert self.pushes[0].scheme == b'https'
assert self.pushes[0].authority == b'www.google.com'
assert self.pushes[0].path == b'/'
expected_headers = {b'accept-encoding': [b'gzip']}
assert dict(self.pushes[0].request_headers) == expected_headers
def assert_push_response(self):
push_response = self.pushes[0].get_response()
assert push_response.status == 200
assert dict(push_response.headers) == {
b'content-type': [b'application/javascript']
}
assert push_response.read() == b'bar'
def test_promise_before_headers(self):
self.add_push_frame(
1,
2,
[
(':method', 'GET'),
(':path', '/'),
(':authority', 'www.google.com'),
(':scheme', 'https'),
('accept-encoding', 'gzip')
]
)
self.add_headers_frame(
1, [(':status', '200'), ('content-type', 'text/html')]
)
self.add_data_frame(1, b'foo', end_stream=True)
self.add_headers_frame(
2, [(':status', '200'), ('content-type', 'application/javascript')]
)
self.add_data_frame(2, b'bar', end_stream=True)
self.request()
assert len(list(self.conn.get_pushes())) == 0
self.assert_response()
self.assert_pushes()
assert self.response.read() == b'foo'
self.assert_push_response()
def test_promise_after_headers(self):
self.add_headers_frame(
1, [(':status', '200'), ('content-type', 'text/html')]
)
self.add_push_frame(
1,
2,
[
(':method', 'GET'),
(':path', '/'),
(':authority', 'www.google.com'),
(':scheme', 'https'),
('accept-encoding', 'gzip')
]
)
self.add_data_frame(1, b'foo', end_stream=True)
self.add_headers_frame(
2, [(':status', '200'), ('content-type', 'application/javascript')]
)
self.add_data_frame(2, b'bar', end_stream=True)
self.request()
assert len(list(self.conn.get_pushes())) == 0
self.assert_response()
assert self.response.read() == b'foo'
self.assert_pushes()
self.assert_push_response()
def test_promise_after_data(self):
self.add_headers_frame(
1, [(':status', '200'), ('content-type', 'text/html')]
)
self.add_data_frame(1, b'fo')
self.add_push_frame(
1,
2,
[
(':method', 'GET'),
(':path', '/'),
(':authority', 'www.google.com'),
(':scheme', 'https'),
('accept-encoding', 'gzip')
]
)
self.add_data_frame(1, b'o', end_stream=True)
self.add_headers_frame(
2, [(':status', '200'), ('content-type', 'application/javascript')]
)
self.add_data_frame(2, b'bar', end_stream=True)
self.request()
assert len(list(self.conn.get_pushes())) == 0
self.assert_response()
assert self.response.read() == b'foo'
self.assert_pushes()
self.assert_push_response()
def test_capture_all_promises(self):
self.add_push_frame(
1,
2,
[
(':method', 'GET'),
(':path', '/one'),
(':authority', 'www.google.com'),
(':scheme', 'https'),
('accept-encoding', 'gzip')
]
)
self.add_headers_frame(
1, [(':status', '200'), ('content-type', 'text/html')]
)
self.add_push_frame(
1,
4,
[
(':method', 'GET'),
(':path', '/two'),
(':authority', 'www.google.com'),
(':scheme', 'https'),
('accept-encoding', 'gzip')
]
)
self.add_data_frame(1, b'foo', end_stream=True)
self.add_headers_frame(
4, [(':status', '200'), ('content-type', 'application/javascript')]
)
self.add_headers_frame(
2, [(':status', '200'), ('content-type', 'application/javascript')]
)
self.add_data_frame(4, b'two', end_stream=True)
self.add_data_frame(2, b'one', end_stream=True)
self.request()
assert len(list(self.conn.get_pushes())) == 0
pushes = list(self.conn.get_pushes(capture_all=True))
assert len(pushes) == 2
assert pushes[0].path == b'/one'
assert pushes[1].path == b'/two'
assert pushes[0].get_response().read() == b'one'
assert pushes[1].get_response().read() == b'two'
self.assert_response()
assert self.response.read() == b'foo'
def test_cancel_push(self):
self.add_push_frame(
1,
2,
[
(':method', 'GET'),
(':path', '/'),
(':authority', 'www.google.com'),
(':scheme', 'https'),
('accept-encoding', 'gzip')
]
)
self.add_headers_frame(
1, [(':status', '200'), ('content-type', 'text/html')]
)
self.request()
self.conn.get_response()
list(self.conn.get_pushes())[0].cancel()
f = RstStreamFrame(2)
f.error_code = 8
assert self.conn._sock.queue[-1] == f.serialize()
def test_reset_pushed_streams_when_push_disabled(self):
self.add_push_frame(
1,
2,
[
(':method', 'GET'),
(':path', '/'),
(':authority', 'www.google.com'),
(':scheme', 'https'),
('accept-encoding', 'gzip')
]
)
self.add_headers_frame(
1, [(':status', '200'), ('content-type', 'text/html')]
)
self.request()
self.conn._enable_push = False
self.conn.get_response()
f = RstStreamFrame(2)
f.error_code = 7
assert self.conn._sock.queue[-1] == f.serialize()
def test_pushed_requests_ignore_unexpected_headers(self):
headers = HTTPHeaderMap([
(':scheme', 'http'),
(':method', 'get'),
(':authority', 'google.com'),
(':path', '/'),
(':reserved', 'no'),
('no', 'no'),
])
p = HTTP20Push(headers, DummyStream(b''))
assert p.request_headers == HTTPHeaderMap([('no', 'no')])
class TestResponse(object):
def test_status_is_stripped_from_headers(self):
headers = HTTPHeaderMap([(':status', '200')])
resp = HTTP20Response(headers, None)
assert resp.status == 200
assert not resp.headers
def test_response_transparently_decrypts_gzip(self):
headers = HTTPHeaderMap(
[(':status', '200'), ('content-encoding', 'gzip')]
)
c = zlib_compressobj(wbits=24)
body = c.compress(b'this is test data')
body += c.flush()
resp = HTTP20Response(headers, DummyStream(body))
assert resp.read() == b'this is test data'
def test_response_transparently_decrypts_real_deflate(self):
headers = HTTPHeaderMap(
[(':status', '200'), ('content-encoding', 'deflate')]
)
c = zlib_compressobj(wbits=zlib.MAX_WBITS)
body = c.compress(b'this is test data')
body += c.flush()
resp = HTTP20Response(headers, DummyStream(body))
assert resp.read() == b'this is test data'
def test_response_transparently_decrypts_wrong_deflate(self):
headers = HTTPHeaderMap(
[(':status', '200'), ('content-encoding', 'deflate')]
)
c = zlib_compressobj(wbits=-zlib.MAX_WBITS)
body = c.compress(b'this is test data')
body += c.flush()
resp = HTTP20Response(headers, DummyStream(body))
assert resp.read() == b'this is test data'
def test_response_calls_stream_close(self):
headers = HTTPHeaderMap([(':status', '200')])
stream = DummyStream('')
resp = HTTP20Response(headers, stream)
resp.close()