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