def toMsg(uuid_obj):
"""Create a UniqueID message from a UUID object.
:param uuid_obj: standard Python :class:`uuid.UUID` object.
:returns: `uuid_msgs/UniqueID`_ message.
"""
return UniqueID(uuid = uuid_obj.bytes)
def test_three_point_set(self):
# test data
uuids = [
'da7c242f-2efe-5175-9961-49cc621b80b9',
'812f1c08-a34b-5a21-92b9-18b2b0cf4950',
'6f0606f6-a776-5940-b5ea-5e889b32c712'
]
latitudes = [30.3840168, 30.3857290, 30.3866750]
longitudes = [-97.7282100, -97.7316754, -97.7270967]
eastings = [622191.124, 621856.023, 622294.785]
northings = [3362024.764, 3362210.790, 3362320.569]
points = []
for i in range(len(uuids)):
latlon = GeoPoint(latitude=latitudes[i], longitude=longitudes[i])
points.append(WayPoint(id=UniqueID(uuid=uuids[i]),
position=latlon))
# test iterator
wupts = WuPointSet(points)
i = 0
for w in wupts:
self.assertEqual(w.uuid(), uuids[i])
self.assertEqual(wupts[uuids[i]].uuid(), uuids[i])
self.assertAlmostEqual(w.utm.easting, eastings[i], places=3)
self.assertAlmostEqual(w.utm.northing, northings[i], places=3)
point_xy = w.toPointXY()
self.assertAlmostEqual(point_xy.x, eastings[i], places=3)
self.assertAlmostEqual(point_xy.y, northings[i], places=3)
self.assertAlmostEqual(point_xy.z, 0.0, places=3)
i += 1
self.assertEqual(i, 3)
self.assertEqual(len(wupts), 3)
bogus = '00000000-c433-5c42-be2e-fbd97ddff9ac'
self.assertFalse(bogus in wupts)
self.assertEqual(wupts.get(bogus), None)
uu = uuids[1]
self.assertTrue(uu in wupts)
wpt = wupts[uu]
self.assertEqual(wpt.uuid(), uu)
self.assertNotEqual(wupts.get(uu), None)
self.assertEqual(wupts.get(uu).uuid(), uu)
# test index() function
for i in xrange(len(uuids)):
self.assertEqual(wupts.index(uuids[i]), i)
self.assertEqual(wupts.points[i].id.uuid, uuids[i])
def test_nil_msg(self):
x = UniqueID()
y = toMsg(uuid.UUID(hex='00000000-0000-0000-0000-000000000000'))
self.assertEqual(x, y)
def test_random_msg(self):
x = UniqueID()
y = toMsg(fromRandom())
self.assertNotEqual(x, y)