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test_web_websocket.py
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test_web_websocket.py
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# type: ignore
import asyncio
from typing import Any
from unittest import mock
import aiosignal
import pytest
from multidict import CIMultiDict
from aiohttp import WSMsgType
from aiohttp.streams import EofStream
from aiohttp.test_utils import make_mocked_coro, make_mocked_request
from aiohttp.web import HTTPBadRequest, WebSocketResponse
from aiohttp.web_ws import WS_CLOSED_MESSAGE, WebSocketReady
@pytest.fixture
def app(loop: Any):
ret = mock.Mock()
ret.loop = loop
ret._debug = False
ret.on_response_prepare = aiosignal.Signal(ret)
ret.on_response_prepare.freeze()
return ret
@pytest.fixture
def protocol():
ret = mock.Mock()
ret.set_parser.return_value = ret
return ret
@pytest.fixture
def make_request(app: Any, protocol: Any):
def maker(method, path, headers=None, protocols=False):
if headers is None:
headers = CIMultiDict(
{
"HOST": "server.example.com",
"UPGRADE": "websocket",
"CONNECTION": "Upgrade",
"SEC-WEBSOCKET-KEY": "dGhlIHNhbXBsZSBub25jZQ==",
"ORIGIN": "http://example.com",
"SEC-WEBSOCKET-VERSION": "13",
}
)
if protocols:
headers["SEC-WEBSOCKET-PROTOCOL"] = "chat, superchat"
return make_mocked_request(
method, path, headers, app=app, protocol=protocol, loop=app.loop
)
return maker
async def test_nonstarted_ping() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.ping()
async def test_nonstarted_pong() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.pong()
async def test_nonstarted_send_str() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.send_str("string")
async def test_nonstarted_send_bytes() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.send_bytes(b"bytes")
async def test_nonstarted_send_json() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.send_json({"type": "json"})
async def test_nonstarted_close() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.close()
async def test_nonstarted_receive_str() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.receive_str()
async def test_nonstarted_receive_bytes() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.receive_bytes()
async def test_nonstarted_receive_json() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.receive_json()
async def test_send_str_nonstring(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
with pytest.raises(TypeError):
await ws.send_str(b"bytes")
async def test_send_bytes_nonbytes(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
with pytest.raises(TypeError):
await ws.send_bytes("string")
async def test_send_json_nonjson(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
with pytest.raises(TypeError):
await ws.send_json(set())
async def test_write_non_prepared() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.write(b"data")
def test_websocket_ready() -> None:
websocket_ready = WebSocketReady(True, "chat")
assert websocket_ready.ok is True
assert websocket_ready.protocol == "chat"
def test_websocket_not_ready() -> None:
websocket_ready = WebSocketReady(False, None)
assert websocket_ready.ok is False
assert websocket_ready.protocol is None
def test_websocket_ready_unknown_protocol() -> None:
websocket_ready = WebSocketReady(True, None)
assert websocket_ready.ok is True
assert websocket_ready.protocol is None
def test_bool_websocket_ready() -> None:
websocket_ready = WebSocketReady(True, None)
assert bool(websocket_ready) is True
def test_bool_websocket_not_ready() -> None:
websocket_ready = WebSocketReady(False, None)
assert bool(websocket_ready) is False
def test_can_prepare_ok(make_request: Any) -> None:
req = make_request("GET", "/", protocols=True)
ws = WebSocketResponse(protocols=("chat",))
assert WebSocketReady(True, "chat") == ws.can_prepare(req)
def test_can_prepare_unknown_protocol(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
assert WebSocketReady(True, None) == ws.can_prepare(req)
def test_can_prepare_without_upgrade(make_request: Any) -> None:
req = make_request("GET", "/", headers=CIMultiDict({}))
ws = WebSocketResponse()
assert WebSocketReady(False, None) == ws.can_prepare(req)
async def test_can_prepare_started(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
with pytest.raises(RuntimeError) as ctx:
ws.can_prepare(req)
assert "Already started" in str(ctx.value)
def test_closed_after_ctor() -> None:
ws = WebSocketResponse()
assert not ws.closed
assert ws.close_code is None
async def test_send_str_closed(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
await ws.close()
with pytest.raises(ConnectionError):
await ws.send_str("string")
async def test_send_bytes_closed(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
await ws.close()
with pytest.raises(ConnectionError):
await ws.send_bytes(b"bytes")
async def test_send_json_closed(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
await ws.close()
with pytest.raises(ConnectionError):
await ws.send_json({"type": "json"})
async def test_ping_closed(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
await ws.close()
with pytest.raises(ConnectionError):
await ws.ping()
async def test_pong_closed(make_request: Any, mocker: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
await ws.close()
with pytest.raises(ConnectionError):
await ws.pong()
async def test_close_idempotent(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
assert await ws.close(code=1, message="message1")
assert ws.closed
assert not (await ws.close(code=2, message="message2"))
async def test_prepare_post_method_ok(make_request: Any) -> None:
req = make_request("POST", "/")
ws = WebSocketResponse()
await ws.prepare(req)
assert ws.prepared
async def test_prepare_without_upgrade(make_request: Any) -> None:
req = make_request("GET", "/", headers=CIMultiDict({}))
ws = WebSocketResponse()
with pytest.raises(HTTPBadRequest):
await ws.prepare(req)
async def test_wait_closed_before_start() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.close()
async def test_write_eof_not_started() -> None:
ws = WebSocketResponse()
with pytest.raises(RuntimeError):
await ws.write_eof()
async def test_write_eof_idempotent(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
await ws.close()
await ws.write_eof()
await ws.write_eof()
await ws.write_eof()
async def test_receive_eofstream_in_reader(make_request: Any, loop: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader = mock.Mock()
exc = EofStream()
res = loop.create_future()
res.set_exception(exc)
ws._reader.read = make_mocked_coro(res)
ws._payload_writer.drain = mock.Mock()
ws._payload_writer.drain.return_value = loop.create_future()
ws._payload_writer.drain.return_value.set_result(True)
msg = await ws.receive()
assert msg.type == WSMsgType.CLOSED
assert ws.closed
async def test_receive_timeouterror(make_request: Any, loop: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader = mock.Mock()
res = loop.create_future()
res.set_exception(asyncio.TimeoutError())
ws._reader.read = make_mocked_coro(res)
with pytest.raises(asyncio.TimeoutError):
await ws.receive()
async def test_multiple_receive_on_close_connection(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._reader.feed_data(WS_CLOSED_MESSAGE, 0)
await ws.close()
await ws.receive()
await ws.receive()
await ws.receive()
await ws.receive()
with pytest.raises(RuntimeError):
await ws.receive()
async def test_concurrent_receive(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
ws._waiting = True
with pytest.raises(RuntimeError):
await ws.receive()
async def test_close_exc(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
exc = ValueError()
ws._writer = mock.Mock()
ws._writer.close.side_effect = exc
await ws.close()
assert ws.closed
assert ws.exception() is exc
ws._closed = False
ws._writer.close.side_effect = asyncio.CancelledError()
with pytest.raises(asyncio.CancelledError):
await ws.close()
async def test_prepare_twice_idempotent(make_request: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
impl1 = await ws.prepare(req)
impl2 = await ws.prepare(req)
assert impl1 is impl2
async def test_send_with_per_message_deflate(make_request: Any, mocker: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws.prepare(req)
writer_send = ws._writer.send = make_mocked_coro()
await ws.send_str("string", compress=15)
writer_send.assert_called_with("string", binary=False, compress=15)
await ws.send_bytes(b"bytes", compress=0)
writer_send.assert_called_with(b"bytes", binary=True, compress=0)
await ws.send_json("[{}]", compress=9)
writer_send.assert_called_with('"[{}]"', binary=False, compress=9)
async def test_no_transfer_encoding_header(make_request: Any, mocker: Any) -> None:
req = make_request("GET", "/")
ws = WebSocketResponse()
await ws._start(req)
assert "Transfer-Encoding" not in ws.headers