def test_trajectory():
print("Testing Trajectory class.")
error_count = 0
right_now = datetime.datetime.now(pytz.utc)
boston = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
boston.timestamp = right_now
boston.object_id = 'ContinentalExpress'
boston.set_property('favorite_food', 'baked_beans')
boston.set_property('name', 'Boston')
miami = TerrestrialTrajectoryPoint(-80.2241, 25.7877)
miami.timestamp = right_now + datetime.timedelta(hours=4)
miami.object_id = 'ContinentalExpress'
miami.set_property('favorite_food', 'cuban_sandwich')
miami.set_property('name', 'Miami')
san_francisco = TerrestrialTrajectoryPoint(-122.4167, 37.7833)
san_francisco.timestamp = right_now + datetime.timedelta(hours=8)
san_francisco.object_id = 'ContinentalExpress'
san_francisco.set_property('favorite_food', 'Ghirardelli chocolate')
san_francisco.set_property('name', 'San Francisco')
seattle = TerrestrialTrajectoryPoint(-122.3331, 47.6097)
seattle.timestamp = right_now + datetime.timedelta(hours=12)
seattle.object_id = 'ContinentalExpress'
seattle.set_property('favorite_food', 'seafood')
seattle.set_property('name', 'Seattle')
boston_return = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
boston_return.timestamp = right_now + datetime.timedelta(hours=16)
boston_return.object_id = 'ContinentalExpress'
boston_return.set_property('favorite_food', 'baked_beans')
boston_return.set_property('name', 'Boston')
round_trip = [boston, miami, san_francisco, seattle, boston_return]
my_trajectory = TerrestrialTrajectory.from_position_list(round_trip)
print("Testing from_position_list")
if len(my_trajectory) != 5:
sys.stderr.write(
'ERROR: Expected length of trajectory to be 5 points but it was {}\n'
.format(len(my_trajectory)))
error_count += 1
print("Sanity-checking first and last points")
restored_point = my_trajectory[0]
if restored_point != boston:
sys.stderr.write(
'ERROR: Expected first point in trajectory to be Boston. Instead it claims to be {}. Dumps of original and restored points follow.\n'
.format(restored_point.property('name')))
sys.stderr.write(str(boston))
sys.stderr.write('\n')
sys.stderr.write(str(my_trajectory[0]))
sys.stderr.write('\n')
error_count += 1
if my_trajectory[-1] != boston_return:
sys.stderr.write(
'ERROR: Expected last point in trajectory to be Boston. Instead it claims to be {}.\n'
.format(my_trajectory[-1].property('name')))
error_count += 1
print("Testing duration")
duration = my_trajectory.duration
if (duration != datetime.timedelta(hours=16)):
sys.stderr.write(
'ERROR: Expected duration to be 16 hours. Instead it claims to be {}.\n'
.format(duration))
error_count += 1
print("Testing time_at_fraction, 0.25")
first_quarter_time = geomath.time_at_fraction(my_trajectory, 0.25)
delta = my_trajectory[-1].timestamp - right_now
expected_first_quarter_time = right_now + (delta // 4)
error_count += verify_time(expected_first_quarter_time, first_quarter_time,
"Time at fraction 0.25")
print("Testing time_at_fraction, 0.75")
last_quarter_time = geomath.time_at_fraction(my_trajectory, 0.75)
delta = my_trajectory[-1].timestamp - right_now
expected_last_quarter_time = right_now + ((3 * delta) // 4)
error_count += verify_time(expected_last_quarter_time, last_quarter_time,
"Time at fraction 0.75")
print("Testing time_at_fraction, 0.5")
midpoint_time = geomath.time_at_fraction(my_trajectory, 0.5)
expected_midpoint_time = (right_now +
(my_trajectory[-1].timestamp - right_now) // 2)
error_count += verify_time(expected_midpoint_time, midpoint_time,
"Time at fraction 0.5")
print("Testing time_at_fraction, 0.0")
start_time = geomath.time_at_fraction(my_trajectory, 0.0)
expected_start_time = right_now
error_count += verify_time(expected_start_time, start_time,
"Time at fraction 0.0")
print("Testing time_at_fraction, 1.0")
end_time = geomath.time_at_fraction(my_trajectory, 1.0)
expected_end_time = my_trajectory[-1].timestamp
error_count += verify_time(expected_end_time, end_time,
"Time at fraction 1.0")
print("Testing time_at_fraction, -0.5")
before_time = geomath.time_at_fraction(my_trajectory, -0.5)
expected_before_time = right_now
error_count += verify_time(expected_before_time, before_time,
"Time at fraction -0.5")
print("Testing time_at_fraction, 1.5")
after_time = geomath.time_at_fraction(my_trajectory, 1.5)
expected_after_time = my_trajectory[-1].timestamp
error_count += verify_time(expected_after_time, after_time,
"Time at fraction 1.5")
print("Testing time_at_fraction, 0.33")
first_third_time = geomath.time_at_fraction(my_trajectory, 1.0 / 3.0)
expected_third_quarter_time = (
right_now + (my_trajectory[-1].timestamp - right_now) // 3)
error_count += verify_time(expected_third_quarter_time, first_third_time,
"Time at fraction 0.33")
print("Testing time_at_fraction, No Points")
empty_trajectory = TerrestrialTrajectory()
empty_time = geomath.time_at_fraction(empty_trajectory, 0.5)
error_count += verify_time(
datetime.datetime(1900, 1, 1, 0, 0, 0, 0, pytz.utc), empty_time,
"Time at fraction (no points)")
print("Testing point_at_fraction, 0.25")
first_quarter_point = geomath.point_at_fraction(my_trajectory, 0.25)
expected_first_quarter_point = TerrestrialTrajectoryPoint(
-80.2241, 25.7877)
expected_first_quarter_point.timestamp = right_now + datetime.timedelta(
hours=4)
error_count += verify_point(expected_first_quarter_point,
first_quarter_point, "Point at fraction 0.25")
print("Testing point_at_fraction, 0.75")
third_quarter_point = geomath.point_at_fraction(my_trajectory, 0.75)
expected_third_quarter_point = TerrestrialTrajectoryPoint(
-122.3331, 47.6097)
expected_third_quarter_point.timestamp = right_now + datetime.timedelta(
hours=12)
error_count += verify_point(expected_third_quarter_point,
third_quarter_point, "Point at fraction 0.75")
print("Testing point_at_fraction, 0.5")
mid_point = geomath.point_at_fraction(my_trajectory, 0.5)
expected_mid_point = TerrestrialTrajectoryPoint(-122.4167, 37.7833)
expected_mid_point.timestamp = right_now + datetime.timedelta(hours=8)
error_count += verify_point(expected_mid_point, mid_point,
"Point at fraction 0.5")
print("Testing point_at_fraction, 0.0")
start_point = geomath.point_at_fraction(my_trajectory, 0.0)
expected_start_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_start_point.timestamp = right_now
error_count += verify_point(expected_start_point, start_point,
"Point at fraction 0.0")
print("Testing point_at_fraction, 1.0")
end_point = geomath.point_at_fraction(my_trajectory, 1.0)
expected_end_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_end_point.timestamp = right_now + datetime.timedelta(hours=16)
error_count += verify_point(expected_end_point, end_point,
"Point at fraction 1.0")
print("Testing point_at_fraction, -0.5")
before_point = geomath.point_at_fraction(my_trajectory, -0.5)
expected_before_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_before_point.timestamp = right_now
error_count += verify_point(expected_before_point, before_point,
"Point at fraction -0.5")
print("Testing point_at_fraction, 1.5")
after_point = geomath.point_at_fraction(my_trajectory, 1.5)
expected_after_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_after_point.timestamp = right_now + datetime.timedelta(hours=16)
error_count += verify_point(expected_after_point, after_point,
"Point at fraction 1.5")
print("Testing point_at_fraction, 0.33")
first_third_point = geomath.point_at_fraction(my_trajectory, 1.0 / 3.0)
expected_first_third_point = TerrestrialTrajectoryPoint(-92.9849, 31.3181)
expected_first_third_point.timestamp = (
right_now + (my_trajectory[-1].timestamp - right_now) // 3)
error_count += verify_point(expected_first_third_point, first_third_point,
"Point at fraction 0.33")
print("Testing point_at_fraction, No Points")
no_point = geomath.point_at_fraction(empty_trajectory, 0.5)
empty_point = TerrestrialTrajectoryPoint.zero()
error_count += verify_point(no_point, empty_point,
"Point at fraction (no points)")
print("Testing point_at_length_fraction, 0.25")
first_quarter_point = geomath.point_at_length_fraction(my_trajectory, 0.25)
expected_first_quarter_point = TerrestrialTrajectoryPoint(
-87.3824, 29.1092)
expected_first_quarter_point.timestamp = first_quarter_point.timestamp
error_count += verify_point(expected_first_quarter_point,
first_quarter_point,
"Point at length fraction 0.25")
print("Testing point_at_length_fraction, 0.75")
third_quarter_point = geomath.point_at_length_fraction(my_trajectory, 0.75)
expected_third_quarter_point = TerrestrialTrajectoryPoint(
-106.489, 48.5709)
expected_third_quarter_point.timestamp = third_quarter_point.timestamp
error_count += verify_point(expected_third_quarter_point,
third_quarter_point,
"Point at length fraction 0.75")
print("Testing point_at_length_fraction, 0.5")
mid_point = geomath.point_at_length_fraction(my_trajectory, 0.5)
expected_mid_point = TerrestrialTrajectoryPoint(-116.267, 37.0967)
expected_mid_point.timestamp = mid_point.timestamp
error_count += verify_point(expected_mid_point, mid_point,
"Point at length fraction 0.5")
print("Testing point_at_length_fraction, 0.0")
start_point = geomath.point_at_length_fraction(my_trajectory, 0.0)
expected_start_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_start_point.timestamp = right_now
error_count += verify_point(expected_start_point, start_point,
"Point at length fraction 0.0")
print("Testing point_at_length_fraction, 1.0")
end_point = geomath.point_at_length_fraction(my_trajectory, 1.0)
expected_end_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_end_point.timestamp = right_now + datetime.timedelta(hours=16)
error_count += verify_point(expected_end_point, end_point,
"Point at length fraction 1.0")
print("Testing point_at_length_fraction, -0.5")
before_point = geomath.point_at_length_fraction(my_trajectory, -0.5)
expected_before_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_before_point.timestamp = right_now
error_count += verify_point(expected_before_point, before_point,
"Point at length fraction -0.5")
print("Testing point_at_length_fraction, 1.5")
after_point = geomath.point_at_length_fraction(my_trajectory, 1.5)
expected_after_point = TerrestrialTrajectoryPoint(-71.0636, 42.3581)
expected_after_point.timestamp = right_now + datetime.timedelta(hours=16)
error_count += verify_point(expected_after_point, after_point,
"Point at length fraction 1.5")
print("Testing point_at_length_fraction, 0.33")
first_third_point = geomath.point_at_length_fraction(
my_trajectory, 1.0 / 3.0)
expected_first_third_point = TerrestrialTrajectoryPoint(-96.4035, 32.5023)
expected_first_third_point.timestamp = first_third_point.timestamp
error_count += verify_point(expected_first_third_point, first_third_point,
"Point at length fraction 0.33")
print("Testing point_at_length_fraction, No Points")
no_point = geomath.point_at_length_fraction(empty_trajectory, 0.5)
empty_point = TerrestrialTrajectoryPoint.zero()
error_count += verify_point(no_point, empty_point,
"Point at length fraction (no points)")
print("Testing interpolation at timestamp before trajectory")
before_time = right_now - datetime.timedelta(hours=4)
before_point = geomath.point_at_time(my_trajectory, before_time)
error_count += verify_point(boston, before_point,
"Point at time (-4 hours)")
print("Testing interpolation at start timestamp of trajectory")
start_time = right_now
start_point = geomath.point_at_time(my_trajectory, start_time)
error_count += verify_point(boston, start_point, "Point at time (0 hours)")
print("Testing interpolation at first third timestamp of trajectory")
first_third_time = right_now + datetime.timedelta(hours=16.0 / 3.0)
first_third_point = geomath.point_at_time(my_trajectory, first_third_time)
expected_first_third_point = TerrestrialTrajectoryPoint(-92.9849, 31.3181)
expected_first_third_point.timestamp = right_now + datetime.timedelta(
hours=16.0 / 3.0)
error_count += verify_point(expected_first_third_point, first_third_point,
"Point at time (+5.33 hours)")
print("Testing interpolation at mid timestamp of trajectory")
mid_time = right_now + datetime.timedelta(hours=8)
mid_point = geomath.point_at_time(my_trajectory, mid_time)
error_count += verify_point(san_francisco, mid_point,
"Point at time (+8 hours)")
print("Testing interpolation at end timestamp of trajectory")
end_time = right_now + datetime.timedelta(hours=16)
end_point = geomath.point_at_time(my_trajectory, end_time)
error_count += verify_point(boston_return, end_point,
"Point at time (+16 hours)")
print("Testing interpolation at timestamp after trajectory")
after_time = right_now + datetime.timedelta(hours=20)
after_point = geomath.point_at_time(my_trajectory, after_time)
error_count += verify_point(boston_return, after_point,
"Point at time (+20 hours)")
print("Testing interpolation at timestamp with no points trajectory")
no_point = geomath.point_at_time(empty_trajectory,
right_now + datetime.timedelta(hours=8))
empty_point = TerrestrialTrajectoryPoint()
error_count += verify_point(empty_point, no_point,
"Point at time (no points)")
# print("Testing pickle support")
# picklebuf = StringIO()
# pickle.dump(my_trajectory, picklebuf)
# restorebuf = StringIO(picklebuf.getvalue())
# restored_trajectory = pickle.load(restorebuf)
# if my_trajectory != restored_trajectory:
# sys.stderr.write('ERROR: Original trajectory is not the same as the one being restored from pickle jar.\n')
# sys.stderr.write('Original trajectory: {}'.format(my_trajectory))
# sys.stderr.write('Restored trajectory: {}'.format(restored_trajectory))
# error_count += 1
if error_count == 0:
print("Surface trajectory passed all tests.")
return error_count
def test_point_type():
print("Testing point type")
error_count = 0
point1 = TerrestrialBasePoint(45, 45)
point2 = TerrestrialBasePoint(135, 45)
print("Testing terrestrial base point interpolate, 0.5")
result = geomath.interpolate(point1, point2, 0.5)
expected = TerrestrialBasePoint(90, 54.7356)
error_count += verify_base_point(expected, result,
"Terrestrial Base Point Interpolate 0.5")
print("Testing terrestrial base point interpolate, 0.3")
result = geomath.interpolate(point1, point2, 0.3)
expected = TerrestrialBasePoint(69.7884, 53.0018)
error_count += verify_base_point(expected, result,
"Terrestrial Base Point Interpolate 0.3")
print("Testing terrestrial base point interpolate, 1")
result = geomath.interpolate(point1, point2, 1)
error_count += verify_base_point(point2, result,
"Terrestrial Base Point Interpolate 1")
print("Testing terrestrial base point extrapolate, 2")
result = geomath.extrapolate(point1, point2, 2)
expected = TerrestrialBasePoint(180, 0)
error_count += verify_base_point(expected, result,
"Terrestrial Base Point Extrapolate 2")
point3 = Cartesian2DBasePoint(0, 0)
point4 = Cartesian2DBasePoint(10, 10)
print("Testing cartesian2d base point interpolate, 0.5")
result = geomath.interpolate(point3, point4, 0.5)
expected = Cartesian2DBasePoint(5, 5)
error_count += verify_base_point(expected, result,
"Cartesian2D Base Point Interpolate 0.5")
print("Testing cartesian2d base point interpolate, 0.3")
result = geomath.interpolate(point3, point4, 0.3)
expected = Cartesian2DBasePoint(3, 3)
error_count += verify_base_point(expected, result,
"Cartesian2D Base Point Interpolate 0.3")
print("Testing cartesian2d base point interpolate, 1")
result = geomath.interpolate(point3, point4, 1)
error_count += verify_base_point(point4, result,
"Cartesian2D Base Point Interpolate 1")
print("Testing cartesian2d base point extrapolate, 1.5")
result = geomath.extrapolate(point3, point4, 1.5)
expected = Cartesian2DBasePoint(15, 15)
error_count += verify_base_point(expected, result,
"Cartesian2D Base Point Extrapolate 1.5")
point5 = Cartesian3DBasePoint(0, 0, 0)
point6 = Cartesian3DBasePoint(10, 10, 10)
print("Testing cartesian3d base point interpolate, 0.5")
result = geomath.interpolate(point5, point6, 0.5)
expected = Cartesian3DBasePoint(5, 5, 5)
error_count += verify_base_point(expected, result,
"Cartesian3D Base Point Interpolate 0.5")
print("Testing cartesian3d base point interpolate, 0.3")
result = geomath.interpolate(point5, point6, 0.3)
expected = Cartesian3DBasePoint(3, 3, 3)
error_count += verify_base_point(expected, result,
"Cartesian3D Base Point Interpolate 0.3")
print("Testing cartesian3d base point interpolate, 1")
result = geomath.interpolate(point5, point6, 1)
error_count += verify_base_point(point6, result,
"Cartesian3D Base Point Interpolate 1")
print("Testing cartesian3d base point extrapolate, 1.5")
result = geomath.extrapolate(point5, point6, 1.5)
expected = Cartesian3DBasePoint(15, 15, 15)
error_count += verify_base_point(expected, result,
"Cartesian3D Base Point Extrapolate 1.5")
point7 = TerrestrialTrajectoryPoint(10, 30)
point7.timestamp = datetime.strptime("2020-12-01 00:00:00",
"%Y-%m-%d %H:%M:%S")
point7.object_id = 'FOO'
point7.set_property('speed', 100.0)
point7.set_property('heading', 0.0)
point8 = TerrestrialTrajectoryPoint(14.6929, 35.1023)
point8.timestamp = datetime.strptime("2020-12-01 00:30:00",
"%Y-%m-%d %H:%M:%S")
point8.object_id = 'FOO'
point8.set_property('speed', 150.0)
point8.set_property('heading', 90.0)
point9 = TerrestrialTrajectoryPoint(20, 40)
point9.timestamp = datetime.strptime("2020-12-01 01:00:00",
"%Y-%m-%d %H:%M:%S")
point9.object_id = 'FOO'
point9.set_property('speed', 200.0)
point9.set_property('heading', 180.0)
print("Testing terrestrial trajectory point interpolate, 0.5")
result = geomath.interpolate(point7, point9, 0.5)
error_count += verify_trajectory_point(
point8, result, "Terrestrial Trajectory Point Interpolate 0.5")
print("Testing terrestrial trajectory point extrapolate, 2")
result = geomath.extrapolate(point7, point8, 2)
error_count += verify_trajectory_point(
point9, result, "Terrestrial Trajectory Point Extrapolate 2")
point10 = Cartesian2DTrajectoryPoint(5, 5)
point10.timestamp = datetime.strptime("2020-12-01 00:00:00",
"%Y-%m-%d %H:%M:%S")
point10.object_id = 'FOO'
point10.set_property('speed', 10.0)
point10.set_property('heading', 0.0)
point11 = Cartesian2DTrajectoryPoint(10, 10)
point11.timestamp = datetime.strptime("2020-12-01 00:30:00",
"%Y-%m-%d %H:%M:%S")
point11.object_id = 'FOO'
point11.set_property('speed', 15.0)
point11.set_property('heading', 90.0)
point12 = Cartesian2DTrajectoryPoint(15, 15)
point12.timestamp = datetime.strptime("2020-12-01 01:00:00",
"%Y-%m-%d %H:%M:%S")
point12.object_id = 'FOO'
point12.set_property('speed', 20.0)
point12.set_property('heading', 180.0)
print("Testing cartesian2d trajectory point interpolate, 0.5")
result = geomath.interpolate(point10, point12, 0.5)
error_count += verify_trajectory_point(
point11, result, "Cartesian2D Trajectory Point Interpolate 0.5")
print("Testing cartesian2d trajectory point extrapolate, 2")
result = geomath.extrapolate(point10, point11, 2)
error_count += verify_trajectory_point(
point12, result, "Cartesian2D Trajectory Point Extrapolate 2")
point13 = Cartesian3DTrajectoryPoint(5, 5, 5)
point13.timestamp = datetime.strptime("2020-12-01 00:00:00",
"%Y-%m-%d %H:%M:%S")
point13.object_id = 'FOO'
point13.set_property('speed', 10.0)
point13.set_property('heading', 0.0)
point14 = Cartesian3DTrajectoryPoint(10, 10, 10)
point14.timestamp = datetime.strptime("2020-12-01 00:30:00",
"%Y-%m-%d %H:%M:%S")
point14.object_id = 'FOO'
point14.set_property('speed', 15.0)
point14.set_property('heading', 90.0)
point15 = Cartesian3DTrajectoryPoint(15, 15, 15)
point15.timestamp = datetime.strptime("2020-12-01 01:00:00",
"%Y-%m-%d %H:%M:%S")
point15.object_id = 'FOO'
point15.set_property('speed', 20.0)
point15.set_property('heading', 180.0)
print("Testing cartesian3d trajectory point interpolate, 0.5")
result = geomath.interpolate(point13, point15, 0.5)
error_count += verify_trajectory_point(
point14, result, "Cartesian3D Trajectory Point Interpolate 0.5")
print("Testing cartesian3d trajectory point extrapolate, 2")
result = geomath.extrapolate(point13, point14, 2)
error_count += verify_trajectory_point(
point15, result, "Cartesian3D Trajectory Point Extrapolate 2")
return error_count