# ISC License
#
# Copyright (c) 2026, Autonomous Vehicle Systems Lab, University of Colorado at Boulder
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
import pytest
from Basilisk.architecture.bskLogging import BasiliskError
from Basilisk.simulation import radiationPressure, spacecraft
from Basilisk.utilities import SimulationBaseClass, macros
[docs]
@pytest.mark.parametrize("validationPath", ["attachment", "reset"])
def test_radiationPressure_validation(validationPath):
"""Attachment initialization and direct Reset() must reject a missing Sun input."""
simulation = SimulationBaseClass.SimBaseClass()
process = simulation.CreateNewProcess("process")
timeStep = macros.sec2nano(0.1) # [ns]
process.addTask(simulation.CreateNewTask("task", timeStep))
spacecraftObject = spacecraft.Spacecraft()
spacecraftObject.hub.mHub = 100.0 # [kg]
spacecraftObject.hub.IHubPntBc_B = [[10.0, 0.0, 0.0],
[0.0, 20.0, 0.0],
[0.0, 0.0, 30.0]] # [kg m^2]
srpEffector = radiationPressure.RadiationPressure()
spacecraftObject.addDynamicEffector(srpEffector)
simulation.AddModelToTask("task", spacecraftObject)
with pytest.raises(BasiliskError, match="sun ephemeris"):
if validationPath == "reset":
srpEffector.Reset(0)
else:
simulation.InitializeSimulation()