def test_FG_reset(self):
# This test reproduces how FlightGear resets. The important thing is
# that the property manager is managed by FlightGear. So it is not
# deleted when the JSBSim instance is killed.
pm = jsbsim.FGPropertyManager()
self.assertFalse(pm.hasNode('fdm/jsbsim/ic/lat-geod-deg'))
fdm = self.create_fdm(pm)
fdm.load_model('ball')
self.assertAlmostEqual(fdm['ic/lat-geod-deg'], 0.0)
fdm['ic/lat-geod-deg'] = 45.0
fdm.run_ic()
# Delete the current instance of FGFDMExec to untie properties.
fdm = None
self.delete_fdm()
# Check that the property ic/lat-geod-deg has survived the JSBSim
# instance.
self.assertTrue(pm.hasNode('fdm/jsbsim/ic/lat-geod-deg'))
# Re-use the property manager just as FlightGear does.
# Check ic/lat-geod-deg is reset to 0.0
fdm = self.create_fdm(pm)
self.assertAlmostEqual(fdm['ic/lat-geod-deg'], 0.0)
def test_FG_reset(self):
# This test reproduces how FlightGear resets. The important thing is
# that the property manager is managed by FlightGear. So it is not
# deleted when the JSBSim instance is killed.
pm = jsbsim.FGPropertyManager(new_instance=True)
self.assertFalse(pm.hasNode('fdm/jsbsim/ic/lat-geod-deg'))
fdm = CreateFDM(self.sandbox, pm)
fdm.load_model('ball')
self.assertAlmostEqual(fdm['ic/lat-geod-deg'], 0.0)
fdm['ic/lat-geod-deg'] = 45.0
fdm.run_ic()
del fdm
# Check that the property ic/lat-geod-deg has survived the JSBSim
# instance.
self.assertTrue(pm.hasNode('fdm/jsbsim/ic/lat-geod-deg'))
# Re-use the property manager just as FlightGear does.
fdm = CreateFDM(self.sandbox, pm)
self.assertAlmostEqual(fdm['ic/lat-geod-deg'], 45.0)
del fdm