Files
openhop_repeater/tests/test_multi_radio_stack.py

233 lines
6.9 KiB
Python

"""Tests for optional multi-radio fabric stack in the repeater."""
from __future__ import annotations
from unittest.mock import patch
import pytest
from repeater.config import (
NullRadio,
_merge_radio_entry,
build_radio_stack,
)
class _FakeRadio:
def __init__(self, name="r"):
self.name = name
self.rx_callback = None
self.sent = []
self.frequency = 869618000
self.spreading_factor = 8
self.bandwidth = 62500
self.coding_rate = 8
self.tx_power = 14
def set_rx_callback(self, cb):
self.rx_callback = cb
async def send(self, data: bytes):
self.sent.append(data)
return {"ok": True, "name": self.name}
def get_frequency(self):
return self.frequency / 1e6
def get_spreading_factor(self):
return self.spreading_factor
def get_bandwidth(self):
return self.bandwidth / 1e3
def get_coding_rate(self):
return self.coding_rate
def get_tx_power(self):
return self.tx_power
def get_last_rssi(self):
return -80
def get_last_snr(self):
return 5.0
def test_merge_radio_entry_inherits_and_overrides():
global_cfg = {
"radio_type": "sx1262",
"radio": {"frequency": 1, "tx_power": 10},
"sx1262": {"bus_id": 0},
}
entry = {
"id": "link",
"radio_type": "modem_usb",
"radio": {"frequency": 2, "tx_power": 22},
"modem_usb": {"port": "/dev/ttyACM0"},
}
merged = _merge_radio_entry(global_cfg, entry)
assert merged["_radio_id"] == "link"
assert merged["radio_type"] == "modem_usb"
assert merged["radio"]["frequency"] == 2
assert merged["modem_usb"]["port"] == "/dev/ttyACM0"
assert "sx1262" in merged # inherited leftover ok; factory uses radio_type
def test_build_radio_stack_legacy_single():
cfg = {"radio_type": "none"}
radio, meta = build_radio_stack(cfg)
assert isinstance(radio, NullRadio)
assert meta["mode"] == "single"
assert meta["fabric"] is False
def test_build_radio_stack_multi_wraps_fabric():
a = _FakeRadio("a")
b = _FakeRadio("b")
def fake_get(board):
# build_radio_stack pops _radio_id before calling get_radio_for_board
# so distinguish by radio air settings
freq = (board.get("radio") or {}).get("frequency")
return a if freq == 111 else b
cfg = {
"fabric": {"default_radio": "local", "tx_mode": "sticky"},
"radios": [
{
"id": "local",
"radio_type": "sx1262",
"radio": {"frequency": 111},
"sx1262": {"bus_id": 0},
},
{
"id": "link",
"radio_type": "sx1262",
"radio": {"frequency": 222},
"sx1262": {"bus_id": 0},
},
],
}
with patch("repeater.config.get_radio_for_board", side_effect=fake_get):
radio, meta = build_radio_stack(cfg)
assert meta["fabric"] is True
assert meta["mode"] == "multi"
assert meta["radio_ids"] == ["local", "link"]
assert meta["default_radio"] == "local"
# FabricRadio surface
assert hasattr(radio, "fabric")
assert list(radio.fabric.radios.keys()) == ["local", "link"]
assert radio.fabric.default_radio_id == "local"
# sticky selector installed
assert radio.fabric._tx_selector is not None
@pytest.mark.asyncio
async def test_sticky_tx_uses_last_rx_radio():
a = _FakeRadio("a")
b = _FakeRadio("b")
def fake_get(board):
freq = (board.get("radio") or {}).get("frequency")
return a if freq == 111 else b
cfg = {
"fabric": {"default_radio": "local", "tx_mode": "sticky"},
"radios": [
{"id": "local", "radio_type": "sx1262", "radio": {"frequency": 111}, "sx1262": {}},
{"id": "link", "radio_type": "sx1262", "radio": {"frequency": 222}, "sx1262": {}},
],
}
with patch("repeater.config.get_radio_for_board", side_effect=fake_get):
radio, meta = build_radio_stack(cfg)
# Simulate RX on link
b.rx_callback(b"hello", -70, 3.0)
await radio.send(b"reply")
assert b.sent == [b"reply"]
assert a.sent == []
def test_use_fabric_single_radio():
fake = _FakeRadio("solo")
cfg = {"radio_type": "sx1262", "fabric": {"use_fabric": True, "tx_mode": "default"}}
with patch("repeater.config.get_radio_for_board", return_value=fake):
radio, meta = build_radio_stack(cfg)
assert meta["fabric"] is True
assert meta["mode"] == "single_fabric"
assert hasattr(radio, "fabric")
def test_tx_mode_all_rejected():
a = _FakeRadio("a")
b = _FakeRadio("b")
def fake_get(board):
freq = (board.get("radio") or {}).get("frequency")
return a if freq == 111 else b
cfg = {
"fabric": {"default_radio": "local", "tx_mode": "all"},
"radios": [
{"id": "local", "radio_type": "sx1262", "radio": {"frequency": 111}, "sx1262": {}},
{"id": "link", "radio_type": "sx1262", "radio": {"frequency": 222}, "sx1262": {}},
],
}
with patch("repeater.config.get_radio_for_board", side_effect=fake_get):
with pytest.raises(ValueError, match="Unknown fabric.tx_mode"):
build_radio_stack(cfg)
@pytest.mark.asyncio
async def test_bridge_tx_crosses_to_other_radio():
"""RX on local -> TX on link; RX on link -> TX on local."""
a = _FakeRadio("a")
b = _FakeRadio("b")
def fake_get(board):
freq = (board.get("radio") or {}).get("frequency")
return a if freq == 111 else b
cfg = {
"fabric": {"default_radio": "local", "tx_mode": "bridge"},
"radios": [
{"id": "local", "radio_type": "sx1262", "radio": {"frequency": 111}, "sx1262": {}},
{"id": "link", "radio_type": "sx1262", "radio": {"frequency": 222}, "sx1262": {}},
],
}
with patch("repeater.config.get_radio_for_board", side_effect=fake_get):
radio, meta = build_radio_stack(cfg)
assert meta["tx_mode"] == "bridge"
# Heard on local neighborhood -> forward out link backhaul
a.rx_callback(b"from-local", -70, 3.0)
await radio.send(b"fwd-1")
assert a.sent == []
assert b.sent == [b"fwd-1"]
# Heard on link backhaul -> forward out local
b.rx_callback(b"from-link", -80, 2.0)
await radio.send(b"fwd-2")
assert a.sent == [b"fwd-2"]
assert b.sent == [b"fwd-1"]
def test_merge_radio_entry_preserves_per_radio_ch341():
global_cfg = {
"radio_type": "sx1262_ch341",
"ch341": {"vid": 0x1A86, "pid": 0x5512, "bus": 1, "address": 5},
"radio": {"frequency": 1},
"sx1262": {"bus_id": 0},
}
entry = {
"id": "link",
"ch341": {"vid": 0x1A86, "pid": 0x5512, "bus": 1, "address": 8},
"radio": {"frequency": 2},
}
merged = _merge_radio_entry(global_cfg, entry)
assert merged["ch341"]["address"] == 8
assert merged["_ch341_per_instance"] is True