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import asyncio
from unittest import mock
from yarl import URL
from aiohttp import http
from aiohttp.client_exceptions import ClientOSError, ServerDisconnectedError
from aiohttp.client_proto import ResponseHandler
from aiohttp.client_reqrep import ClientResponse
from aiohttp.helpers import TimerNoop
async def test_force_close(loop: asyncio.AbstractEventLoop) -> None:
"""Ensure that the force_close method sets the should_close attribute to True.
This is used externally in aiodocker
https://github.com/aio-libs/aiodocker/issues/920
"""
proto = ResponseHandler(loop=loop)
proto.force_close()
assert proto.should_close
async def test_oserror(loop: asyncio.AbstractEventLoop) -> None:
proto = ResponseHandler(loop=loop)
transport = mock.Mock()
proto.connection_made(transport)
proto.connection_lost(OSError())
assert proto.should_close
assert isinstance(proto.exception(), ClientOSError)
async def test_pause_resume_on_error(loop) -> None:
proto = ResponseHandler(loop=loop)
transport = mock.Mock()
proto.connection_made(transport)
proto.pause_reading()
assert proto._reading_paused
proto.resume_reading()
assert not proto._reading_paused
async def test_client_proto_bad_message(loop) -> None:
proto = ResponseHandler(loop=loop)
transport = mock.Mock()
proto.connection_made(transport)
proto.set_response_params()
proto.data_received(b"HTTP\r\n\r\n")
assert proto.should_close
assert transport.close.called
assert isinstance(proto.exception(), http.HttpProcessingError)
async def test_uncompleted_message(loop) -> None:
proto = ResponseHandler(loop=loop)
transport = mock.Mock()
proto.connection_made(transport)
proto.set_response_params(read_until_eof=True)
proto.data_received(
b"HTTP/1.1 301 Moved Permanently\r\nLocation: http://python.org/"
)
proto.connection_lost(None)
exc = proto.exception()
assert isinstance(exc, ServerDisconnectedError)
assert exc.message.code == 301
assert dict(exc.message.headers) == {"Location": "http://python.org/"}
async def test_data_received_after_close(loop: asyncio.AbstractEventLoop) -> None:
proto = ResponseHandler(loop=loop)
transport = mock.Mock()
proto.connection_made(transport)
proto.set_response_params(read_until_eof=True)
proto.close()
assert transport.close.called
transport.close.reset_mock()
proto.data_received(b"HTTP\r\n\r\n")
assert proto.should_close
assert not transport.close.called
assert isinstance(proto.exception(), http.HttpProcessingError)
async def test_multiple_responses_one_byte_at_a_time(
loop: asyncio.AbstractEventLoop,
) -> None:
proto = ResponseHandler(loop=loop)
proto.connection_made(mock.Mock())
conn = mock.Mock(protocol=proto)
proto.set_response_params(read_until_eof=True)
for _ in range(2):
messages = (
b"HTTP/1.1 200 OK\r\nContent-Length: 2\r\n\r\nab"
b"HTTP/1.1 200 OK\r\nContent-Length: 2\r\n\r\ncd"
b"HTTP/1.1 200 OK\r\nContent-Length: 2\r\n\r\nef"
)
for i in range(len(messages)):
proto.data_received(messages[i : i + 1])
expected = [b"ab", b"cd", b"ef"]
for payload in expected:
response = ClientResponse(
"get",
URL("http://def-cl-resp.org"),
writer=mock.Mock(),
continue100=None,
timer=TimerNoop(),
request_info=mock.Mock(),
traces=[],
loop=loop,
session=mock.Mock(),
)
await response.start(conn)
await response.read() == payload
async def test_unexpected_exception_during_data_received(
loop: asyncio.AbstractEventLoop,
) -> None:
proto = ResponseHandler(loop=loop)
class PatchableHttpResponseParser(http.HttpResponseParser):
"""Subclass of HttpResponseParser to make it patchable."""
with mock.patch(
"aiohttp.client_proto.HttpResponseParser", PatchableHttpResponseParser
):
proto.connection_made(mock.Mock())
conn = mock.Mock(protocol=proto)
proto.set_response_params(read_until_eof=True)
proto.data_received(b"HTTP/1.1 200 OK\r\nContent-Length: 2\r\n\r\nab")
response = ClientResponse(
"get",
URL("http://def-cl-resp.org"),
writer=mock.Mock(),
continue100=None,
timer=TimerNoop(),
request_info=mock.Mock(),
traces=[],
loop=loop,
session=mock.Mock(),
)
await response.start(conn)
await response.read() == b"ab"
with mock.patch.object(proto._parser, "feed_data", side_effect=ValueError):
proto.data_received(b"HTTP/1.1 200 OK\r\nContent-Length: 2\r\n\r\ncd")
assert isinstance(proto.exception(), http.HttpProcessingError)
async def test_client_protocol_readuntil_eof(loop: asyncio.AbstractEventLoop) -> None:
proto = ResponseHandler(loop=loop)
transport = mock.Mock()
proto.connection_made(transport)
conn = mock.Mock()
conn.protocol = proto
proto.data_received(b"HTTP/1.1 200 Ok\r\n\r\n")
response = ClientResponse(
"get",
URL("http://def-cl-resp.org"),
writer=mock.Mock(),
continue100=None,
timer=TimerNoop(),
request_info=mock.Mock(),
traces=[],
loop=loop,
session=mock.Mock(),
)
proto.set_response_params(read_until_eof=True)
await response.start(conn)
assert not response.content.is_eof()
proto.data_received(b"0000")
data = await response.content.readany()
assert data == b"0000"
proto.data_received(b"1111")
data = await response.content.readany()
assert data == b"1111"
proto.connection_lost(None)
assert response.content.is_eof()
async def test_empty_data(loop) -> None:
proto = ResponseHandler(loop=loop)
proto.data_received(b"")
# do nothing
async def test_schedule_timeout(loop) -> None:
proto = ResponseHandler(loop=loop)
proto.set_response_params(read_timeout=1)
assert proto._read_timeout_handle is None
proto.start_timeout()
assert proto._read_timeout_handle is not None
async def test_drop_timeout(loop) -> None:
proto = ResponseHandler(loop=loop)
proto.set_response_params(read_timeout=1)
proto.start_timeout()
assert proto._read_timeout_handle is not None
proto._drop_timeout()
assert proto._read_timeout_handle is None
async def test_reschedule_timeout(loop) -> None:
proto = ResponseHandler(loop=loop)
proto.set_response_params(read_timeout=1)
proto.start_timeout()
assert proto._read_timeout_handle is not None
h = proto._read_timeout_handle
proto._reschedule_timeout()
assert proto._read_timeout_handle is not None
assert proto._read_timeout_handle is not h
async def test_eof_received(loop) -> None:
proto = ResponseHandler(loop=loop)
proto.set_response_params(read_timeout=1)
proto.start_timeout()
assert proto._read_timeout_handle is not None
proto.eof_received()
assert proto._read_timeout_handle is None
async def test_connection_lost_sets_transport_to_none(loop, mocker) -> None:
"""Ensure that the transport is set to None when the connection is lost.
This ensures the writer knows that the connection is closed.
"""
proto = ResponseHandler(loop=loop)
proto.connection_made(mocker.Mock())
assert proto.transport is not None
proto.connection_lost(OSError())
assert proto.transport is None
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