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557 lines
18 KiB
Python
557 lines
18 KiB
Python
"""Unit tests for Bluetooth device aggregation."""
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from datetime import datetime, timedelta
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import pytest
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from utils.bluetooth.aggregator import DeviceAggregator
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from utils.bluetooth.constants import (
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DEVICE_STALE_TIMEOUT as DEVICE_STALE_SECONDS,
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)
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from utils.bluetooth.constants import (
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MAX_RSSI_SAMPLES,
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)
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from utils.bluetooth.models import BTObservation
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@pytest.fixture
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def aggregator():
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"""Create a fresh DeviceAggregator for testing."""
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return DeviceAggregator()
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@pytest.fixture
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def sample_observation():
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"""Create a sample BLE observation."""
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return BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="public",
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rssi=-55,
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tx_power=None,
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name="Test Device",
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manufacturer_id=76, # Apple
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manufacturer_data=None,
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service_uuids=["0000180f-0000-1000-8000-00805f9b34fb"],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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class TestDeviceAggregator:
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"""Tests for DeviceAggregator class."""
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def test_ingest_single_observation(self, aggregator, sample_observation):
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"""Test ingesting a single observation creates device aggregate."""
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aggregator.ingest(sample_observation)
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devices = aggregator.get_all_devices()
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assert len(devices) == 1
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device = devices[0]
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assert device.address == "AA:BB:CC:DD:EE:FF"
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assert device.name == "Test Device"
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assert device.rssi_current == -55
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assert device.seen_count == 1
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def test_ingest_multiple_observations_same_device(self, aggregator, sample_observation):
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"""Test multiple observations for same device aggregate correctly."""
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# Ingest multiple observations with varying RSSI
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rssi_values = [-55, -60, -50, -58, -52]
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for rssi in rssi_values:
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obs = BTObservation(
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timestamp=datetime.now(),
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address=sample_observation.address,
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address_type=sample_observation.address_type,
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rssi=rssi,
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tx_power=None,
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name=sample_observation.name,
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manufacturer_id=sample_observation.manufacturer_id,
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manufacturer_data=None,
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service_uuids=sample_observation.service_uuids,
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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devices = aggregator.get_all_devices()
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assert len(devices) == 1
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device = devices[0]
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assert device.seen_count == 5
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assert device.rssi_current == rssi_values[-1]
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assert len(device.rssi_samples) == 5
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# Check RSSI stats
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assert device.rssi_min == -60
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assert device.rssi_max == -50
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def test_rssi_median_calculation(self, aggregator, sample_observation):
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"""Test RSSI median is calculated correctly."""
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rssi_values = [-70, -60, -50, -55, -65] # Sorted: -70, -65, -60, -55, -50 -> median -60
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for rssi in rssi_values:
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obs = BTObservation(
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timestamp=datetime.now(),
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address=sample_observation.address,
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address_type="public",
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rssi=rssi,
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tx_power=None,
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name="Test",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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assert device.rssi_median == -60.0
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def test_rssi_samples_limited(self, aggregator, sample_observation):
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"""Test RSSI samples are limited to MAX_RSSI_SAMPLES."""
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for i in range(MAX_RSSI_SAMPLES + 50):
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obs = BTObservation(
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timestamp=datetime.now(),
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address=sample_observation.address,
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address_type="public",
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rssi=-50 - (i % 30),
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tx_power=None,
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name="Test",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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assert len(device.rssi_samples) <= MAX_RSSI_SAMPLES
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def test_protocol_detection_ble(self, aggregator):
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"""Test BLE protocol detection."""
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obs = BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="random", # Random address indicates BLE
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rssi=-60,
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tx_power=-8,
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name="BLE Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=["0000180a-0000-1000-8000-00805f9b34fb"],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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assert device.protocol == "ble"
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def test_protocol_detection_classic(self, aggregator):
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"""Test Classic Bluetooth protocol detection."""
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obs = BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="public",
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rssi=-60,
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tx_power=None,
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name="Classic Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=0x240404, # Audio device
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major_class="audio_video",
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minor_class="headphones",
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)
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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assert device.protocol == "classic"
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class TestRangeBandEstimation:
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"""Tests for range band estimation."""
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def test_range_band_very_close(self, aggregator):
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"""Test very close range band detection."""
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obs = BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="public",
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rssi=-35, # Very strong signal
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tx_power=None,
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name="Close Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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# Add multiple samples to build confidence
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for _ in range(10):
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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assert device.range_band == "very_close"
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def test_range_band_close(self, aggregator):
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"""Test close range band detection."""
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for rssi in [-45, -48, -50, -47, -49]:
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obs = BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="public",
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rssi=rssi,
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tx_power=None,
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name="Close Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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assert device.range_band in ["very_close", "close"]
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def test_range_band_far(self, aggregator):
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"""Test far range band detection."""
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for rssi in [-75, -78, -80, -77, -79]:
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obs = BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="public",
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rssi=rssi,
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tx_power=None,
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name="Far Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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assert device.range_band in ["nearby", "far"]
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def test_range_band_unknown_low_confidence(self, aggregator):
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"""Test unknown range band with insufficient data."""
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obs = BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="public",
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rssi=-60,
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tx_power=None,
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name="Unknown Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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device = aggregator.get_all_devices()[0]
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# With only one sample, confidence is low
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assert device.rssi_confidence < 0.5
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class TestBaselineManagement:
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"""Tests for baseline functionality."""
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def test_set_baseline(self, aggregator, sample_observation):
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"""Test setting a baseline from current devices."""
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aggregator.ingest(sample_observation)
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count = aggregator.set_baseline()
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assert count == 1
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assert aggregator.has_baseline()
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def test_clear_baseline(self, aggregator, sample_observation):
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"""Test clearing the baseline."""
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aggregator.ingest(sample_observation)
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aggregator.set_baseline()
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aggregator.clear_baseline()
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assert not aggregator.has_baseline()
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def test_is_new_device(self, aggregator, sample_observation):
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"""Test detection of new devices vs baseline."""
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# Add first device and set baseline
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aggregator.ingest(sample_observation)
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aggregator.set_baseline()
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# Add new device
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new_obs = BTObservation(
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timestamp=datetime.now(),
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address="11:22:33:44:55:66",
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address_type="public",
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rssi=-60,
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tx_power=None,
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name="New Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(new_obs)
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devices = aggregator.get_all_devices()
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new_device = next(d for d in devices if d.address == "11:22:33:44:55:66")
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assert new_device.is_new is True
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# Original device should not be new
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original = next(d for d in devices if d.address == sample_observation.address)
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assert original.is_new is False
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class TestDevicePruning:
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"""Tests for stale device pruning."""
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def test_prune_stale_devices(self, aggregator):
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"""Test that stale devices are removed."""
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# Create an old observation
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old_time = datetime.now() - timedelta(seconds=DEVICE_STALE_SECONDS + 60)
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old_obs = BTObservation(
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timestamp=old_time,
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address="AA:BB:CC:DD:EE:FF",
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address_type="public",
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rssi=-60,
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tx_power=None,
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name="Old Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(old_obs)
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# Create a recent observation for different device
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recent_obs = BTObservation(
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timestamp=datetime.now(),
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address="11:22:33:44:55:66",
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address_type="public",
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rssi=-55,
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tx_power=None,
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name="Recent Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(recent_obs)
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# Prune stale devices
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pruned = aggregator.prune_stale()
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assert pruned == 1
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devices = aggregator.get_all_devices()
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assert len(devices) == 1
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assert devices[0].address == "11:22:33:44:55:66"
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class TestDeviceFiltering:
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"""Tests for device filtering and sorting."""
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def test_filter_by_protocol(self, aggregator):
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"""Test filtering devices by protocol."""
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# Add BLE device
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ble_obs = BTObservation(
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timestamp=datetime.now(),
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address="AA:BB:CC:DD:EE:FF",
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address_type="random",
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rssi=-60,
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tx_power=-8,
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name="BLE Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=["0000180a-0000-1000-8000-00805f9b34fb"],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(ble_obs)
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# Add Classic device
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classic_obs = BTObservation(
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timestamp=datetime.now(),
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address="11:22:33:44:55:66",
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address_type="public",
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rssi=-55,
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tx_power=None,
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name="Classic Device",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=0x240404,
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major_class="audio_video",
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minor_class=None,
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)
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aggregator.ingest(classic_obs)
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# Filter by BLE
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ble_devices = aggregator.get_all_devices(protocol="ble")
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assert len(ble_devices) == 1
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assert ble_devices[0].protocol == "ble"
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# Filter by Classic
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classic_devices = aggregator.get_all_devices(protocol="classic")
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assert len(classic_devices) == 1
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assert classic_devices[0].protocol == "classic"
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def test_filter_by_min_rssi(self, aggregator):
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"""Test filtering devices by minimum RSSI."""
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for i, rssi in enumerate([-50, -70, -90]):
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obs = BTObservation(
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timestamp=datetime.now(),
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address=f"AA:BB:CC:DD:EE:{i:02X}",
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address_type="public",
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rssi=rssi,
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tx_power=None,
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name=f"Device {i}",
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manufacturer_id=None,
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manufacturer_data=None,
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service_uuids=[],
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service_data={},
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appearance=None,
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is_connectable=True,
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is_paired=False,
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is_connected=False,
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class_of_device=None,
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major_class=None,
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minor_class=None,
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)
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aggregator.ingest(obs)
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# Filter by min RSSI -60
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strong_devices = aggregator.get_all_devices(min_rssi=-60)
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assert len(strong_devices) == 1
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assert strong_devices[0].rssi_current == -50
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def test_sort_by_rssi(self, aggregator):
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"""Test sorting devices by RSSI."""
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for rssi in [-70, -50, -90, -60]:
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obs = BTObservation(
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timestamp=datetime.now(),
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address=f"AA:BB:CC:DD:{abs(rssi):02X}:FF",
|
|
address_type="public",
|
|
rssi=rssi,
|
|
tx_power=None,
|
|
name=f"Device RSSI {rssi}",
|
|
manufacturer_id=None,
|
|
manufacturer_data=None,
|
|
service_uuids=[],
|
|
service_data={},
|
|
appearance=None,
|
|
is_connectable=True,
|
|
is_paired=False,
|
|
is_connected=False,
|
|
class_of_device=None,
|
|
major_class=None,
|
|
minor_class=None,
|
|
)
|
|
aggregator.ingest(obs)
|
|
|
|
# Sort by RSSI (strongest first)
|
|
devices = aggregator.get_all_devices(sort_by="rssi")
|
|
rssi_values = [d.rssi_current for d in devices]
|
|
assert rssi_values == [-50, -60, -70, -90]
|