Function test_invalid_header_name

tests/protocols/test_http.py:333–342

(http_protocol_cls: type[HTTPProtocol], name: str)

    ],
)
async def test_invalid_header_name(http_protocol_cls: type[HTTPProtocol], name: str):
    app = Response("Hello, world", media_type="text/plain", headers={name: "value"})
    protocol = get_connected_protocol(app, http_protocol_cls)
    protocol.data_received(SIMPLE_GET_REQUEST)
    await protocol.loop.run_one()
    # No 500 is sent because `response_started` is set before header validation,
    # so the error handler just closes the connection.
    assert b"HTTP/1.1 500 Internal Server Error" not in protocol.transport.buffer
    assert name.encode() not in protocol.transport.buffer
    assert protocol.transport.is_closing()


@pytest.mark.parametrize("path", ["/", "/?foo", "/?foo=bar", "/?foo=bar&baz=1"])