Python WifiShard.shard_model方法代码示例

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_update(self):
        utcnow = util.utcnow()
        obs = []
        obs_factory = WifiObservationFactory
        # first wifi
        wifi1 = WifiShardFactory(lat=None, lon=None, samples=3)
        new_pos = WifiShardFactory.build()
        mac1, lat1, lon1 = (wifi1.mac, new_pos.lat, new_pos.lon)
        obs.extend([
            obs_factory(lat=lat1,
                        lon=lon1, key=mac1),
            obs_factory(lat=lat1 + 0.002,
                        lon=lon1 + 0.003, key=mac1),
            obs_factory(lat=lat1 + 0.004,
                        lon=lon1 + 0.006, key=mac1),
        ])
        # second wifi
        wifi2 = WifiShardFactory(
            lat=lat1 + 1.0, lon=lon1 + 1.0,
            max_lat=lat1 + 1.0, min_lat=lat1 + 0.999,
            max_lon=lon1 + 1.0, min_lon=None,
            radius=20, samples=2,
            created=utcnow - timedelta(10),
            modified=utcnow - timedelta(10))
        mac2, lat2, lon2 = (wifi2.mac, wifi2.lat, wifi2.lon)
        obs.extend([
            obs_factory(lat=lat2 + 0.002,
                        lon=lon2 + 0.004, key=mac2),
            obs_factory(lat=lat2 + 0.002,
                        lon=lon2 + 0.004, key=mac2),
        ])
        self.session.commit()
        self._queue_and_update(obs)

        shard = WifiShard.shard_model(mac1)
        found = self.session.query(shard).filter(shard.mac == mac1).one()
        self.assertAlmostEqual(found.lat, lat1 + 0.002)
        self.assertAlmostEqual(found.max_lat, lat1 + 0.004)
        self.assertAlmostEqual(found.min_lat, lat1)
        self.assertAlmostEqual(found.lon, lon1 + 0.003)
        self.assertAlmostEqual(found.max_lon, lon1 + 0.006)
        self.assertAlmostEqual(found.min_lon, lon1)
        self.assertEqual(found.modified.date(), utcnow.date())
        self.assertEqual(found.radius, 304)
        self.assertEqual(found.region, 'GB')
        self.assertEqual(found.samples, 6)

        shard = WifiShard.shard_model(mac2)
        found = self.session.query(shard).filter(shard.mac == mac2).one()
        self.assertAlmostEqual(found.lat, lat2 + 0.001)
        self.assertAlmostEqual(found.max_lat, lat2 + 0.002)
        self.assertAlmostEqual(found.min_lat, lat2 - 0.001)
        self.assertAlmostEqual(found.lon, lon2 + 0.002)
        self.assertAlmostEqual(found.max_lon, lon2 + 0.004)
        self.assertAlmostEqual(found.min_lon, lon2)
        self.assertEqual(found.created.date(), utcnow.date() - timedelta(10))
        self.assertEqual(found.modified.date(), utcnow.date())
        self.assertEqual(found.radius, 260)
        self.assertEqual(found.region, 'GB')
        self.assertEqual(found.samples, 4)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_temp_blocked(self):
        utcnow = util.utcnow()
        bad_wifi = WifiObservationFactory.build()
        good_wifi = WifiObservationFactory.build()
        WifiShardFactory(
            mac=bad_wifi.mac,
            lat=None,
            lon=None,
            created=utcnow,
            block_first=utcnow.date() - timedelta(days=10),
            block_last=utcnow.date(),
            block_count=1)
        obs = [good_wifi, bad_wifi, good_wifi]
        self.session.commit()
        self._queue_and_update(obs)

        shard = WifiShard.shard_model(good_wifi.mac)
        wifis = (self.session.query(shard)
                             .filter(shard.mac == good_wifi.mac)).all()
        self.assertEqual(len(wifis), 1)
        self.assertTrue(wifis[0].lat is not None)
        self.assertTrue(wifis[0].lon is not None)
        self.assertEqual(wifis[0].samples, 2)

        shard = WifiShard.shard_model(bad_wifi.mac)
        wifis = (self.session.query(shard)
                             .filter(shard.mac == bad_wifi.mac)).all()
        self.assertEqual(len(wifis), 1)
        self.assertTrue(wifis[0].block_first < utcnow.date())
        self.assertTrue(wifis[0].lat is None)
        self.assertTrue(wifis[0].lon is None)

        self.check_statcounter(StatKey.wifi, 2)
        self.check_statcounter(StatKey.unique_wifi, 1)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
def query_database(query, raven_client):
    macs = [lookup.mac for lookup in query.wifi]
    if not macs:  # pragma: no cover
        return []

    result = []
    today = util.utcnow().date()
    temp_blocked = today - TEMPORARY_BLOCKLIST_DURATION

    try:
        load_fields = ('lat', 'lon', 'radius')
        shards = defaultdict(list)
        for mac in macs:
            shards[WifiShard.shard_model(mac)].append(mac)

        for shard, shard_macs in shards.items():
            rows = (
                query.session.query(shard)
                             .filter(shard.mac.in_(shard_macs))
                             .filter(shard.lat.isnot(None))
                             .filter(shard.lon.isnot(None))
                             .filter(or_(
                                 shard.block_count.is_(None),
                                 shard.block_count <
                                     PERMANENT_BLOCKLIST_THRESHOLD))
                             .filter(or_(
                                 shard.block_last.is_(None),
                                 shard.block_last < temp_blocked))
                             .options(load_only(*load_fields))
            ).all()
            result.extend(list(rows))
    except Exception:
        raven_client.captureException()
    return result

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_temp_blocked_admitted_again(self):
        now = util.utcnow()
        last_week = now - TEMPORARY_BLOCKLIST_DURATION - timedelta(days=1)

        obs = WifiObservationFactory()
        WifiShardFactory(
            mac=obs.mac,
            lat=None,
            lon=None,
            samples=0,
            created=last_week,
            modified=last_week,
            block_first=last_week.date(),
            block_last=last_week.date(),
            block_count=1)
        self.session.flush()

        # add a new entry for the previously blocked wifi
        self.data_queue.enqueue([obs])
        self.assertEqual(self.data_queue.size(), 1)
        update_wifi.delay().get()

        # the wifi was inserted again
        shard = WifiShard.shard_model(obs.mac)
        wifis = self.session.query(shard).all()
        self.assertEqual(len(wifis), 1)
        wifi = wifis[0]
        self.assertEqual(wifi.created.date(), last_week.date())
        self.assertAlmostEqual(wifi.lat, obs.lat)
        self.assertAlmostEqual(wifi.lon, obs.lon)
        self.assertEqual(wifi.country, 'GB')
        self.assertEqual(wifi.samples, 1)
        self.check_statcounter(StatKey.unique_wifi, 0)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_new(self):
        utcnow = util.utcnow()
        obs = WifiObservationFactory.build()
        self.data_queue.enqueue([obs])
        self.assertEqual(self.data_queue.size(), 1)
        update_wifi.delay().get()

        shard = WifiShard.shard_model(obs.mac)
        wifis = self.session.query(shard).all()
        self.assertEqual(len(wifis), 1)
        wifi = wifis[0]
        self.assertAlmostEqual(wifi.lat, obs.lat)
        self.assertAlmostEqual(wifi.max_lat, obs.lat)
        self.assertAlmostEqual(wifi.min_lat, obs.lat)
        self.assertAlmostEqual(wifi.lon, obs.lon)
        self.assertAlmostEqual(wifi.max_lon, obs.lon)
        self.assertAlmostEqual(wifi.min_lon, obs.lon)
        self.assertEqual(wifi.country, 'GB')
        self.assertEqual(wifi.radius, 0)
        self.assertEqual(wifi.samples, 1)
        self.assertEqual(wifi.created.date(), utcnow.date())
        self.assertEqual(wifi.modified.date(), utcnow.date())
        self.assertEqual(wifi.block_first, None)
        self.assertEqual(wifi.block_last, None)
        self.assertEqual(wifi.block_count, None)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_weighted_update(self):
        wifi = WifiShardFactory(samples=2, weight=3.0)
        wifi_lat = wifi.lat
        wifi_lon = wifi.lon

        obs_factory = WifiObservationFactory
        obs = [
            obs_factory(lat=wifi.lat, lon=wifi.lon - 0.002,
                        accuracy=20.0, signal=-30, mac=wifi.mac),
            obs_factory(lat=wifi.lat, lon=wifi.lon - 0.004,
                        accuracy=40.0, signal=-60, mac=wifi.mac),
        ]

        self.session.commit()
        self._queue_and_update_wifi(obs)
        shard = WifiShard.shard_model(wifi.mac)
        wifis = self.session.query(shard).all()
        self.assertEqual(len(wifis), 1)
        wifi = wifis[0]
        self.assertAlmostEqual(wifi.lat, wifi_lat)
        self.assertAlmostEqual(wifi.max_lat, wifi_lat)
        self.assertAlmostEqual(wifi.min_lat, wifi_lat)
        self.assertAlmostEqual(wifi.lon, wifi_lon - 0.0017709, 7)
        self.assertAlmostEqual(wifi.max_lon, wifi_lon)
        self.assertAlmostEqual(wifi.min_lon, wifi_lon - 0.004)
        self.assertEqual(wifi.radius, 154)
        self.assertEqual(wifi.samples, 4)
        self.assertAlmostEqual(wifi.weight, 15.53, 2)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
 def _shard_observations(self, observations):
     sharded_obs = {}
     for obs in observations:
         if obs is not None:
             shard = WifiShard.shard_model(obs.mac)
             if shard not in sharded_obs:
                 sharded_obs[shard] = defaultdict(list)
             sharded_obs[shard][obs.mac].append(obs)
     return sharded_obs

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_wifi(self, celery, session):
        reports = self.add_reports(celery, cell_factor=0, wifi_factor=1)
        self._update_all(session)

        position = reports[0]['position']
        wifi_data = reports[0]['wifiAccessPoints'][0]
        shard = WifiShard.shard_model(wifi_data['macAddress'])
        wifis = session.query(shard).all()
        assert len(wifis) == 1
        wifi = wifis[0]
        assert wifi.lat == position['latitude']
        assert wifi.lon == position['longitude']
        assert wifi.mac == wifi_data['macAddress']
        assert wifi.samples == 1

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_wifi(self):
        reports = self.add_reports(cell_factor=0, wifi_factor=1)
        self._update_all()

        position = reports[0]['position']
        wifi_data = reports[0]['wifiAccessPoints'][0]
        mac = wifi_data['macAddress']
        shard = WifiShard.shard_model(mac)
        wifis = self.session.query(shard).all()
        self.assertEqual(len(wifis), 1)
        wifi = wifis[0]
        self.assertEqual(wifi.lat, position['latitude'])
        self.assertEqual(wifi.lon, position['longitude'])
        self.assertEqual(wifi.mac, wifi_data['macAddress'])
        self.assertEqual(wifi.samples, 1)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_wifi(self):
        reports = self.add_reports(cell_factor=0, wifi_factor=1)
        schedule_export_reports.delay().get()
        for i in range(16):
            update_wifi.delay(shard_id='%x' % i).get()

        position = reports[0]['position']
        wifi_data = reports[0]['wifiAccessPoints'][0]
        mac = wifi_data['macAddress']
        shard = WifiShard.shard_model(mac)
        wifis = self.session.query(shard).all()
        self.assertEqual(len(wifis), 1)
        wifi = wifis[0]
        self.assertEqual(wifi.lat, position['latitude'])
        self.assertEqual(wifi.lon, position['longitude'])
        self.assertEqual(wifi.mac, wifi_data['macAddress'])
        self.assertEqual(wifi.samples, 1)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_wifi_duplicated(self, celery, session):
        self.add_reports(celery, cell_factor=0, wifi_factor=1)
        # duplicate the wifi entry inside the report
        item = self._pop_item(celery)
        report = item['report']
        wifi = report['wifiAccessPoints'][0]
        mac = wifi['macAddress']
        report['wifiAccessPoints'].append(wifi.copy())
        report['wifiAccessPoints'].append(wifi.copy())
        report['wifiAccessPoints'][1]['signalStrength'] += 2
        report['wifiAccessPoints'][2]['signalStrength'] -= 2
        self._push_item(celery, item)
        self._update_all(session)

        shard = WifiShard.shard_model(mac)
        wifis = session.query(shard).all()
        assert len(wifis) == 1
        assert wifis[0].samples == 1

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def test_wifi_duplicated(self):
        self.add_reports(cell_factor=0, wifi_factor=1)
        # duplicate the wifi entry inside the report
        queue = self.celery_app.export_queues['queue_export_internal']
        items = queue.dequeue(queue.queue_key())
        report = items[0]['report']
        wifi = report['wifiAccessPoints'][0]
        mac = wifi['macAddress']
        report['wifiAccessPoints'].append(wifi.copy())
        report['wifiAccessPoints'].append(wifi.copy())
        report['wifiAccessPoints'][1]['signalStrength'] += 2
        report['wifiAccessPoints'][2]['signalStrength'] -= 2
        queue.enqueue(items, queue.queue_key())
        self._update_all()

        shard = WifiShard.shard_model(mac)
        wifis = self.session.query(shard).all()
        self.assertEqual(len(wifis), 1)
        self.assertEqual(wifis[0].samples, 1)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]
    def new_stations(self, name, station_keys):
        if len(station_keys) == 0:
            return 0

        # assume all stations are unknown
        unknown_keys = set(station_keys)

        if name == 'wifi':
            # there is only one combined table structure
            shards = defaultdict(list)
            for mac in unknown_keys:
                shards[WifiShard.shard_model(mac)].append(mac)
            for shard, macs in shards.items():
                query = (self.session.query(shard.mac)
                                     .filter(shard.mac.in_(macs)))
                unknown_keys -= set([r.mac for r in query.all()])
        elif name == 'cell':
            # first check the station table, which is more likely to contain
            # stations
            station_iter = Cell.iterkeys(
                self.session,
                list(unknown_keys),
                # only load the columns required for the hashkey
                extra=lambda query: query.options(
                    load_only(*tuple(Cell._hashkey_cls._fields))))
            # subtract all stations which are found in the station table
            unknown_keys -= set([sta.hashkey() for sta in station_iter])
            if len(unknown_keys) == 0:  # pragma: no cover
                return 0

            # Only check the blocklist table for the still unknown keys.
            # There is no need to check for the already found keys again.
            block_iter = CellBlocklist.iterkeys(
                self.session,
                list(unknown_keys),
                # only load the columns required for the hashkey
                extra=lambda query: query.options(
                    load_only(*tuple(CellBlocklist._hashkey_cls._fields))))
            # subtract all stations which are found in the blocklist table
            unknown_keys -= set([block.hashkey() for block in block_iter])

        return len(unknown_keys)

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]

#.........这里部分代码省略.........
        wifi.lon = None
        wifi.samples = 0
        # a wifi with a prior known position
        wifi = wifis[1]
        wifi.samples = 1
        wifi.lat += 1.0
        wifi.lon += 1.0
        obs.extend([
            obs_factory(lat=wifi.lat + 0.01,
                        lon=wifi.lon, key=wifi.mac),
            obs_factory(lat=wifi.lat + 0.07,
                        lon=wifi.lon, key=wifi.mac),
        ])
        moving.add(wifi.mac)
        # a wifi with a very different prior position
        wifi = wifis[2]
        wifi.samples = 1
        obs.extend([
            obs_factory(lat=wifi.lat + 2.0,
                        lon=wifi.lon, key=wifi.mac),
            obs_factory(lat=wifi.lat + 2.002,
                        lon=wifi.lon, key=wifi.mac),
        ])
        moving.add(wifi.mac)
        # another wifi with a prior known position (and negative lat)
        wifi = wifis[3]
        wifi.samples = 1
        wifi.lat *= -1.0
        obs.extend([
            obs_factory(lat=wifi.lat - 0.1,
                        lon=wifi.lon, key=wifi.mac),
            obs_factory(lat=wifi.lat - 0.16,
                        lon=wifi.lon, key=wifi.mac),
        ])
        moving.add(wifi.mac)
        # an already blocked wifi
        wifi = wifis[4]
        wifi.block_last = now.date()
        wifi.block_count = 1
        obs.extend([
            obs_factory(lat=wifi.lat,
                        lon=wifi.lon, key=wifi.mac),
            obs_factory(lat=wifi.lat + 0.1,
                        lon=wifi.lon, key=wifi.mac),
        ])
        moving.add(wifi.mac)
        # a permanently blocked wifi
        wifi = wifis[5]
        wifi_lat, wifi_lon = (wifi.lat, wifi.lon)
        wifi.block_last = now.date() - 2 * TEMPORARY_BLOCKLIST_DURATION
        wifi.block_count = PERMANENT_BLOCKLIST_THRESHOLD
        for col in ('lat', 'lon', 'max_lat', 'min_lat', 'max_lon', 'min_lon'):
            setattr(wifi, col, None)
        obs.extend([
            obs_factory(lat=wifi_lat, lon=wifi_lon, key=wifi.mac),
        ])
        moving.add(wifi.mac)
        # a no longer blocked wifi
        wifi = wifis[6]
        wifi_lat, wifi_lon = (wifi.lat, wifi.lon)
        wifi.block_last = now.date() - 2 * TEMPORARY_BLOCKLIST_DURATION
        wifi.block_count = 2
        for col in ('lat', 'lon', 'max_lat', 'min_lat', 'max_lon', 'min_lon'):
            setattr(wifi, col, None)
        obs.extend([
            obs_factory(lat=wifi_lat, lon=wifi_lon, key=wifi.mac),
        ])
        # a no longer blocked wifi with disagreeing observations
        wifi = wifis[7]
        wifi_lat, wifi_lon = (wifi.lat, wifi.lon)
        wifi.block_last = now.date() - 2 * TEMPORARY_BLOCKLIST_DURATION
        wifi.block_count = 2
        for col in ('lat', 'lon', 'max_lat', 'min_lat', 'max_lon', 'min_lon'):
            setattr(wifi, col, None)
        obs.extend([
            obs_factory(lat=wifi_lat, lon=wifi_lon, key=wifi.mac),
            obs_factory(lat=wifi_lat + 2.0, lon=wifi_lon, key=wifi.mac),
        ])
        moving.add(wifi.mac)

        self.data_queue.enqueue(obs)
        self.session.commit()
        update_wifi.delay().get()

        shards = set()
        for mac in moving:
            shards.add(WifiShard.shard_model(mac))
        blocks = []
        for shard in shards:
            for row in self.session.query(shard).all():
                if row.blocked():
                    blocks.append(row)
        self.assertEqual(set([b.mac for b in blocks]), moving)

        self.check_stats(counter=[
            ('data.observation.drop', 1, 3,
                ['type:wifi', 'reason:blocklisted']),
            ('data.station.blocklist', 1, 5,
                ['type:wifi', 'action:add', 'reason:moving']),
        ])

# 需要导入模块: from ichnaea.models import WifiShard [as 别名]
# 或者: from ichnaea.models.WifiShard import shard_model [as 别名]

#.........这里部分代码省略.........
        wifi = wifis[-1]
        obs.extend([
            obs_factory(lat=wifi.lat, lon=wifi.lon, mac=wifi.mac),
            obs_factory(lat=wifi.lat + 2.0, lon=wifi.lon, mac=wifi.mac),
        ])
        moving.add(wifi.mac)
        # a wifi with an entry but no prior position
        wifi = wifis[0]
        obs.extend([
            obs_factory(lat=wifi.lat + 0.001,
                        lon=wifi.lon + 0.001, mac=wifi.mac),
            obs_factory(lat=wifi.lat + 0.002,
                        lon=wifi.lon + 0.005, mac=wifi.mac),
            obs_factory(lat=wifi.lat + 0.003,
                        lon=wifi.lon + 0.009, mac=wifi.mac),
        ])
        wifi.lat = None
        wifi.lon = None
        wifi.samples = None
        wifi.weight = None
        # a wifi with a prior known position
        wifi = wifis[1]
        wifi.samples = 1
        wifi.weight = 1.0
        wifi.lat += 1.0
        wifi.lon += 1.0
        obs.extend([
            obs_factory(lat=wifi.lat + 0.01,
                        lon=wifi.lon, mac=wifi.mac),
            obs_factory(lat=wifi.lat + 0.07,
                        lon=wifi.lon, mac=wifi.mac),
        ])
        moving.add(wifi.mac)
        # a wifi with a very different prior position
        wifi = wifis[2]
        wifi.samples = 1
        wifi.weight = 1.0
        obs.extend([
            obs_factory(lat=wifi.lat + 2.0,
                        lon=wifi.lon, mac=wifi.mac),
            obs_factory(lat=wifi.lat + 2.002,
                        lon=wifi.lon, mac=wifi.mac),
        ])
        moving.add(wifi.mac)
        # an already blocked wifi
        wifi = wifis[3]
        wifi.block_last = now.date()
        wifi.block_count = 1
        obs.extend([
            obs_factory(lat=wifi.lat,
                        lon=wifi.lon, mac=wifi.mac),
            obs_factory(lat=wifi.lat + 0.1,
                        lon=wifi.lon, mac=wifi.mac),
        ])
        moving.add(wifi.mac)
        # a permanently blocked wifi
        wifi = wifis[4]
        wifi_lat, wifi_lon = (wifi.lat, wifi.lon)
        wifi.block_last = now.date() - 2 * TEMPORARY_BLOCKLIST_DURATION
        wifi.block_count = PERMANENT_BLOCKLIST_THRESHOLD
        for col in ('lat', 'lon', 'max_lat', 'min_lat', 'max_lon', 'min_lon'):
            setattr(wifi, col, None)
        obs.extend([
            obs_factory(lat=wifi_lat, lon=wifi_lon, mac=wifi.mac),
        ])
        moving.add(wifi.mac)
        # a no longer blocked wifi
        wifi = wifis[5]
        wifi_lat, wifi_lon = (wifi.lat, wifi.lon)
        wifi.block_last = now.date() - 2 * TEMPORARY_BLOCKLIST_DURATION
        wifi.block_count = 2
        for col in ('lat', 'lon', 'max_lat', 'min_lat', 'max_lon', 'min_lon'):
            setattr(wifi, col, None)
        obs.extend([
            obs_factory(lat=wifi_lat, lon=wifi_lon, mac=wifi.mac),
        ])
        # a no longer blocked wifi with disagreeing observations
        wifi = wifis[6]
        wifi_lat, wifi_lon = (wifi.lat, wifi.lon)
        wifi.block_last = now.date() - 2 * TEMPORARY_BLOCKLIST_DURATION
        wifi.block_count = 2
        for col in ('lat', 'lon', 'max_lat', 'min_lat', 'max_lon', 'min_lon'):
            setattr(wifi, col, None)
        obs.extend([
            obs_factory(lat=wifi_lat, lon=wifi_lon, mac=wifi.mac),
            obs_factory(lat=wifi_lat + 2.0, lon=wifi_lon, mac=wifi.mac),
        ])
        moving.add(wifi.mac)
        self.session.commit()
        self._queue_and_update_wifi(obs)

        shards = set()
        for mac in moving:
            shards.add(WifiShard.shard_model(mac))
        blocks = []
        for shard in shards:
            for row in self.session.query(shard).all():
                if row.blocked():
                    blocks.append(row)
        self.assertEqual(set([b.mac for b in blocks]), moving)