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130 lines
4.6 KiB
130 lines
4.6 KiB
# ADN DMR Peer Server - tests infrastructure udp fanin
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#
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# Copyright (C) 2026 Rodrigo Pérez, CE5RPY <ce5rpy@qmd.cl>
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#
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###############################################################################
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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###############################################################################
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"""UDP fan-in protocol tests (no live reactor)."""
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from __future__ import annotations
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from unittest.mock import MagicMock
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from adn_server.application.proxy import ProxyUseCases
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from adn_server.domain.value_objects import bytes_4
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from adn_server.infrastructure.config_normalizer import ensure_system_runtime_config
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from adn_server.infrastructure.hbp_constants import RPTACK, RPTL
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from adn_server.infrastructure.proxy import (
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InMemoryPendingRptoQueue,
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InMemoryProxySlotStore,
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InProcessHbpSink,
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ProxyFanInProtocol,
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ProxyReplyTransport,
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)
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from adn_server.infrastructure.twisted_adapters.udp_hbp import HBPProtocol
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_PEER = bytes_4(1234567)
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_CLIENT_ADDR = ("192.168.1.50", 62031)
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class _RecordingTransport:
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def __init__(self) -> None:
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self.sent: list[tuple[bytes, tuple[str, int]]] = []
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def write(self, data: bytes, addr: tuple[str, int]) -> None:
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self.sent.append((data, addr))
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class _AclRouter:
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def acl_check(self, peer_id: bytes, acl: object) -> bool:
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return True
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def _hotspot_master_config() -> dict:
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config = {
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"GLOBAL": {"PING_TIME": 10, "MAX_MISSED": 3, "USE_ACL": False},
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"SYSTEMS": {
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"HOTSPOT": {
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"MODE": "MASTER",
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"ENABLED": True,
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"MAX_PEERS": 8,
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"OPTIONS": "TS2=9990;",
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}
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},
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}
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ensure_system_runtime_config(config)
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return config
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def _fanin_stack(*, max_peers: int = 8) -> tuple[ProxyFanInProtocol, ProxyUseCases, InProcessHbpSink, _RecordingTransport, MagicMock]:
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transport = _RecordingTransport()
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config = _hotspot_master_config()
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hbp = HBPProtocol("HOTSPOT", config)
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hbp._router = _AclRouter() # type: ignore[assignment]
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hbp.transport = ProxyReplyTransport(transport)
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sink = InProcessHbpSink(hbp)
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inject_spy = MagicMock(wraps=sink.inject)
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sink.inject = inject_spy # type: ignore[method-assign]
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proxy = ProxyUseCases(
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InMemoryProxySlotStore(),
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InMemoryPendingRptoQueue(),
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max_peers=max_peers,
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)
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protocol = ProxyFanInProtocol(proxy, sink)
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protocol.transport = transport # type: ignore[assignment]
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return protocol, proxy, sink, transport, inject_spy
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def test_client_packet_attaches_session_and_injects() -> None:
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protocol, proxy, _, _, inject_spy = _fanin_stack()
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packet = RPTL + _PEER
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protocol.datagramReceived(packet, _CLIENT_ADDR)
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inject_spy.assert_called_once_with(packet, _CLIENT_ADDR)
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slot = proxy.resolve_client(_PEER)
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assert slot is not None
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assert slot.host == _CLIENT_ADDR[0]
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assert slot.port == _CLIENT_ADDR[1]
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def test_existing_client_refreshes_endpoint_before_inject() -> None:
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protocol, proxy, _, _, inject_spy = _fanin_stack()
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packet = RPTL + _PEER
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protocol.datagramReceived(packet, _CLIENT_ADDR)
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inject_spy.reset_mock()
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new_addr = ("192.168.1.51", 62032)
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protocol.datagramReceived(packet, new_addr)
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inject_spy.assert_called_once_with(packet, new_addr)
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client = proxy.resolve_client(_PEER)
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assert client is not None
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assert client.host == new_addr[0]
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assert client.port == new_addr[1]
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def test_master_rptl_reply_sent_via_proxy_listen_socket() -> None:
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protocol, _, _, transport, _ = _fanin_stack()
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protocol.datagramReceived(RPTL + _PEER, _CLIENT_ADDR)
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assert len(transport.sent) == 1
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data, addr = transport.sent[0]
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assert data.startswith(RPTACK)
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assert addr == _CLIENT_ADDR
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def test_attach_rejection_skips_inject() -> None:
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protocol, _, _, _, inject_spy = _fanin_stack(max_peers=0)
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protocol.datagramReceived(RPTL + _PEER, _CLIENT_ADDR)
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inject_spy.assert_not_called()
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