Source code for test_spaceToGroundTransmitter


# ISC License
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# Copyright (c) 2016, Autonomous Vehicle Systems Lab, University of Colorado at Boulder
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import inspect
import os

import pytest

filename = inspect.getframeinfo(inspect.currentframe()).filename
path = os.path.dirname(os.path.abspath(filename))
bskName = 'Basilisk'
splitPath = path.split(bskName)

# Import all of the modules that we are going to be called in this simulation
from Basilisk.utilities import SimulationBaseClass
from Basilisk.utilities import unitTestSupport                  # general support file with common unit test functions
from Basilisk.simulation import spaceToGroundTransmitter
from Basilisk.simulation import simpleInstrument
from Basilisk.simulation import partitionedStorageUnit
from Basilisk.architecture import messaging
from Basilisk.utilities import macros


[docs]@pytest.mark.parametrize("deviceStatus", [0,1]) @pytest.mark.parametrize("accessStatus", [0,1]) def test_module(show_plots, deviceStatus, accessStatus): """ **Validation Test Description** 1. Whether the simpleTransmitter provides the right output message (baudRate) while on; 2. Whether the simpleTransmitter provides the right output message (baudRate) while off. 3. Whether the simpleTransmitter provides the right output message (baudRate) while out of access. :param show_plots: Not used; no plots to be shown. :return: """ default_results, default_message = run(deviceStatus, accessStatus) testResults = sum([default_results]) testMessage = [default_message] assert testResults < 1, testMessage
def run(deviceStatus, accessStatus): expectedValue = deviceStatus * accessStatus testFailCount = 0 # zero unit test result counter testMessages = [] # create empty array to store test log messages unitTaskName = "unitTask" # arbitrary name (don't change) unitProcessName = "TestProcess" # arbitrary name (don't change) # Create a sim module as an empty container unitTestSim = SimulationBaseClass.SimBaseClass() # Create test thread testProcessRate = macros.sec2nano(0.5) # update process rate update time testProc = unitTestSim.CreateNewProcess(unitProcessName) testProc.addTask(unitTestSim.CreateNewTask(unitTaskName, testProcessRate)) # Create fake access messages accMsg1 = messaging.AccessMsgPayload() accMsg1.hasAccess = 0 # We'll never see this one, sadly acc1Msg = messaging.AccessMsg().write(accMsg1) accMsg2 = messaging.AccessMsgPayload() accMsg2.hasAccess = accessStatus acc2Msg = messaging.AccessMsg().write(accMsg2) # Create the test module testModule = spaceToGroundTransmitter.SpaceToGroundTransmitter() testModule.ModelTag = "transmitter" testModule.nodeBaudRate = 9600. # baud testModule.packetSize = -9600 # bits testModule.numBuffers = 1 testModule.dataStatus = deviceStatus testModule.addAccessMsgToTransmitter(acc1Msg) testModule.addAccessMsgToTransmitter(acc2Msg) unitTestSim.AddModelToTask(unitTaskName, testModule) # Create an instrument instrument = simpleInstrument.SimpleInstrument() instrument.ModelTag = "instrument1" instrument.nodeBaudRate = 9600. # baud instrument.nodeDataName = "Instrument 1" # baud unitTestSim.AddModelToTask(unitTaskName, instrument) # Create a partitionedStorageUnit and attach the instrument to it dataMonitor = partitionedStorageUnit.PartitionedStorageUnit() dataMonitor.ModelTag = "dataMonitor" dataMonitor.storageCapacity = 8E9 # bits (1 GB) dataMonitor.addDataNodeToModel(instrument.nodeDataOutMsg) dataMonitor.addDataNodeToModel(testModule.nodeDataOutMsg) unitTestSim.AddModelToTask(unitTaskName, dataMonitor) testModule.addStorageUnitToTransmitter(dataMonitor.storageUnitDataOutMsg) datLog = testModule.nodeDataOutMsg.recorder() unitTestSim.AddModelToTask(unitTaskName, datLog) unitTestSim.InitializeSimulation() unitTestSim.ConfigureStopTime(macros.sec2nano(3.0)) unitTestSim.ExecuteSimulation() generatedData = datLog.baudRate print(generatedData) accuracy = 1e-16 trueData = 9600. # Module should be on after enough data is accrued testArray = [0, 0, 0, expectedValue*trueData, expectedValue*trueData, expectedValue*trueData, expectedValue*trueData] # Should go through three iterations of no data downlinked testFailCount, testMessages = unitTestSupport.compareDoubleArray( testArray, generatedData, accuracy, "dataOutput", testFailCount, testMessages) if testFailCount: print(testMessages) else: print("Passed") # each test method requires a single assert method to be called # this check below just makes sure no sub-test failures were found return [testFailCount, ''.join(testMessages)] # # This statement below ensures that the unitTestScript can be run as a # stand-alone python script # if __name__ == "__main__": test_module(False, 1, 1)