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intercept/tests/test_drone_correlator.py
2026-05-03 12:11:04 +01:00

135 lines
3.6 KiB
Python

# tests/test_drone_correlator.py
import queue
import time
from datetime import datetime, timezone
import pytest
from utils.drone.correlator import DroneCorrelator
from utils.drone.models import RemoteIDObservation, RFObservation
def _now():
return datetime.now(timezone.utc)
def _remote_id_obs(serial="SN001", lat=51.5, lon=-0.1):
return RemoteIDObservation(
source="WIFI",
serial_number=serial,
operator_id="OP001",
lat=lat,
lon=lon,
altitude_m=50.0,
speed_ms=5.0,
heading=90.0,
timestamp=_now(),
)
def _rf_obs(freq=433_920_000, proto="FRSKY", rssi=-70.0):
return RFObservation(
frequency_hz=freq,
protocol=proto,
rssi=rssi,
hardware="RTL433",
timestamp=_now(),
)
@pytest.fixture
def correlator():
q = queue.Queue()
return DroneCorrelator(output_queue=q), q
def test_remote_id_creates_contact(correlator):
corr, q = correlator
corr.process(_remote_id_obs())
contacts = corr.get_all()
assert len(contacts) == 1
assert contacts[0]["compliant"] is True
assert contacts[0]["serial_number"] == "SN001"
assert contacts[0]["position"] == [51.5, -0.1]
def test_rf_creates_contact(correlator):
corr, q = correlator
corr.process(_rf_obs())
contacts = corr.get_all()
assert len(contacts) == 1
assert contacts[0]["compliant"] is False
def test_remote_id_emits_sse_event(correlator):
corr, q = correlator
corr.process(_remote_id_obs())
msg = q.get_nowait()
assert msg["type"] == "contact"
assert msg["data"]["serial_number"] == "SN001"
def test_same_serial_updates_contact(correlator):
corr, q = correlator
corr.process(_remote_id_obs(lat=51.5, lon=-0.1))
corr.process(_remote_id_obs(lat=51.6, lon=-0.2))
contacts = corr.get_all()
assert len(contacts) == 1
assert contacts[0]["position"] == [51.6, -0.2]
def test_different_serials_create_separate_contacts(correlator):
corr, q = correlator
corr.process(_remote_id_obs(serial="SN001"))
corr.process(_remote_id_obs(serial="SN002"))
contacts = corr.get_all()
assert len(contacts) == 2
def test_position_history_grows(correlator):
corr, q = correlator
for i in range(5):
corr.process(_remote_id_obs(lat=51.0 + i * 0.01, lon=-0.1))
contacts = corr.get_all()
assert len(contacts[0]["position_history"]) == 5
def test_position_history_capped_at_500(correlator):
corr, q = correlator
for i in range(510):
corr.process(_remote_id_obs(lat=float(i), lon=0.0))
store_values = list(corr._store.values())
assert len(store_values[0].position_history) == 500
def test_compliant_single_vector_is_low_risk(correlator):
corr, q = correlator
corr.process(_remote_id_obs())
contacts = corr.get_all()
assert contacts[0]["risk_level"] == "low"
def test_non_compliant_is_high_risk(correlator):
corr, q = correlator
corr.process(_rf_obs())
contacts = corr.get_all()
assert contacts[0]["risk_level"] == "high"
def test_confidence_increases_with_vectors(correlator):
corr, q = correlator
corr.process(_remote_id_obs())
contacts = {c["id"]: c for c in corr.get_all()}
rid_contact = next(c for c in contacts.values() if c["compliant"])
assert rid_contact["confidence"] == 0.25 # 1/4
def test_ttl_expiry_removes_contact(correlator):
corr, q = correlator
corr.process(_remote_id_obs())
assert len(corr.get_all()) == 1
for key in corr._store.timestamps:
corr._store.timestamps[key] = time.time() - 300
corr._store.cleanup()
assert len(corr.get_all()) == 0