def test_gust_reset(self):
fdm = CreateFDM(self.sandbox)
fdm.load_script(self.sandbox.path_to_jsbsim_file('scripts',
'c172_cruise_8K.xml'))
fdm['simulation/randomseed'] = 0.0
fdm.set_output_directive(self.sandbox.path_to_jsbsim_file('tests', 'output.xml'))
fdm.run_ic()
ExecuteUntil(fdm, 15.5)
ref = pd.read_csv('output.csv', index_col=0)
fdm['simulation/randomseed'] = 0.0
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 15.5)
current = pd.read_csv('output_0.csv', index_col=0)
# Check the data are matching i.e. the time steps are the same between
# the two data sets and that the output data are also the same.
self.assertTrue(isDataMatching(ref, current))
# Find all the data that are differing by more than 1E-8 between the
# two data sets.
diff = FindDifferences(ref, current, 1E-8)
self.longMessage = True
self.assertEqual(len(diff), 0, msg='\n'+diff.to_string())
def testChannelRate(self):
os.environ['JSBSIM_DEBUG'] = str(0)
fdm = CreateFDM(self.sandbox)
fdm.load_script(
self.sandbox.path_to_jsbsim_file('scripts',
'systems-rate-test-0.xml'))
fdm.run_ic()
while fdm['simulation/sim-time-sec'] < 30:
fdm.run()
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int(fdm['simulation/frame'] / 4),
fdm['tests/rate-4'])
self.assertEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'])
self.assertAlmostEqual(
fdm['simulation/dt'] * fdm['tests/rate-4'] * 4,
fdm['tests/rate-4-dt-sum'])
self.assertEqual(fdm['simulation/dt'], fdm['tests/rate-1-dt'])
self.assertEqual(fdm['simulation/dt'] * 4, fdm['tests/rate-4-dt'])
try:
fdm['simulation/do_simple_trim'] = 1
except RuntimeError as e:
# The trim cannot succeed. Just make sure that the raised exception
# is due to the trim failure otherwise rethrow.
if e.args[0] != 'Trim Failed':
raise
while fdm['simulation/sim-time-sec'] < 40:
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int(fdm['simulation/frame'] / 4),
fdm['tests/rate-4'])
self.assertEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'])
self.assertAlmostEqual(
fdm['simulation/dt'] * fdm['tests/rate-4'] * 4,
fdm['tests/rate-4-dt-sum'])
fdm.run()
fdm.reset_to_initial_conditions(1)
tf = fdm['tests/rate-1-dt-sum']
xtraFrames = fdm['simulation/frame'] % 4
while fdm['simulation/sim-time-sec'] < 30:
fdm.run()
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int((fdm['simulation/frame'] - xtraFrames) / 4),
fdm['tests/rate-4'])
self.assertAlmostEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'] - tf)
self.assertAlmostEqual(
fdm['simulation/dt'] * fdm['tests/rate-4'] * 4,
fdm['tests/rate-4-dt-sum'])
def testChannelRate(self):
os.environ['JSBSIM_DEBUG'] = str(0)
fdm = CreateFDM(self.sandbox)
fdm.load_script(
self.sandbox.path_to_jsbsim_file('scripts',
'systems-rate-test-0.xml'))
fdm.run_ic()
while fdm['simulation/sim-time-sec'] < 30:
fdm.run()
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int(fdm['simulation/frame'] / 4),
fdm['tests/rate-4'])
self.assertEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'])
self.assertAlmostEqual(
fdm['simulation/dt'] * fdm['tests/rate-4'] * 4,
fdm['tests/rate-4-dt-sum'])
self.assertEqual(fdm['simulation/dt'], fdm['tests/rate-1-dt'])
self.assertEqual(fdm['simulation/dt'] * 4, fdm['tests/rate-4-dt'])
# Trigger the trimming and check that it fails (i.e. it raises an
# exception TrimFailureError)
with self.assertRaises(TrimFailureError):
fdm['simulation/do_simple_trim'] = 1
while fdm['simulation/sim-time-sec'] < 40:
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int(fdm['simulation/frame'] / 4),
fdm['tests/rate-4'])
self.assertEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'])
self.assertAlmostEqual(
fdm['simulation/dt'] * fdm['tests/rate-4'] * 4,
fdm['tests/rate-4-dt-sum'])
fdm.run()
fdm.reset_to_initial_conditions(1)
tf = fdm['tests/rate-1-dt-sum']
xtraFrames = fdm['simulation/frame'] % 4
while fdm['simulation/sim-time-sec'] < 30:
fdm.run()
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int((fdm['simulation/frame'] - xtraFrames) / 4),
fdm['tests/rate-4'])
self.assertAlmostEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'] - tf)
self.assertAlmostEqual(
fdm['simulation/dt'] * fdm['tests/rate-4'] * 4,
fdm['tests/rate-4-dt-sum'])
def testChannelRate(self):
os.environ['JSBSIM_DEBUG'] = str(0)
fdm = CreateFDM(self.sandbox)
fdm.load_script(self.sandbox.path_to_jsbsim_file('scripts',
'systems-rate-test-0.xml'))
fdm.run_ic()
while fdm['simulation/sim-time-sec'] < 30:
fdm.run()
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int(fdm['simulation/frame']/4),
fdm['tests/rate-4'])
self.assertEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'])
self.assertAlmostEqual(fdm['simulation/dt']*fdm['tests/rate-4']*4,
fdm['tests/rate-4-dt-sum'])
self.assertEqual(fdm['simulation/dt'], fdm['tests/rate-1-dt'])
self.assertEqual(fdm['simulation/dt']*4, fdm['tests/rate-4-dt'])
try:
fdm['simulation/do_simple_trim'] = 1
except RuntimeError as e:
# The trim cannot succeed. Just make sure that the raised exception
# is due to the trim failure otherwise rethrow.
if e.args[0] != 'Trim Failed':
raise
while fdm['simulation/sim-time-sec'] < 40:
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int(fdm['simulation/frame']/4),
fdm['tests/rate-4'])
self.assertEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum'])
self.assertAlmostEqual(fdm['simulation/dt']*fdm['tests/rate-4']*4,
fdm['tests/rate-4-dt-sum'])
fdm.run()
fdm.reset_to_initial_conditions(1)
tf = fdm['tests/rate-1-dt-sum']
xtraFrames = fdm['simulation/frame'] % 4
while fdm['simulation/sim-time-sec'] < 30:
fdm.run()
self.assertEqual(fdm['simulation/frame'], fdm['tests/rate-1'])
self.assertEqual(int((fdm['simulation/frame']-xtraFrames)/4),
fdm['tests/rate-4'])
self.assertAlmostEqual(fdm['simulation/sim-time-sec'],
fdm['tests/rate-1-dt-sum']-tf)
self.assertAlmostEqual(fdm['simulation/dt']*fdm['tests/rate-4']*4,
fdm['tests/rate-4-dt-sum'])
def test_script_start_time_0(self):
script_name = 'ball_orbit.xml'
script_path = self.sandbox.path_to_jsbsim_file('scripts', script_name)
fdm = CreateFDM(self.sandbox)
fdm.load_script(script_path)
fdm.run_ic()
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
ExecuteUntil(fdm, 5.0)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
del fdm
def test_script_start_time_0(self):
script_name = 'ball_orbit.xml'
script_path = self.sandbox.path_to_jsbsim_file('scripts', script_name)
fdm = CreateFDM(self.sandbox)
fdm.load_script(script_path)
fdm.run_ic()
self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'), 0.0)
ExecuteUntil(fdm, 5.0)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'), 0.0)
del fdm
def test_script_start_time(self):
script_name = 'ball_orbit.xml'
script_path = self.sandbox.path_to_jsbsim_file('scripts', script_name)
tree = et.parse(self.sandbox.elude(script_path))
run_tag = tree.getroot().find('./run')
run_tag.attrib['start'] = '1.2'
tree.write(self.sandbox(script_name))
fdm = CreateFDM(self.sandbox)
fdm.load_script(script_name)
fdm.run_ic()
self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'), 1.2)
ExecuteUntil(fdm, 5.0)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'), 1.2)
del fdm
def test_script_start_time(self):
script_name = 'ball_orbit.xml'
script_path = self.sandbox.path_to_jsbsim_file('scripts', script_name)
tree = et.parse(script_path)
run_tag = tree.getroot().find('./run')
run_tag.attrib['start'] = '1.2'
tree.write(script_name)
fdm = CreateFDM(self.sandbox)
fdm.load_script(script_name)
fdm.run_ic()
self.assertEqual(fdm['simulation/sim-time-sec'], 1.2)
ExecuteUntil(fdm, 5.0)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm['simulation/sim-time-sec'], 1.2)
del fdm
def test_script_no_start_time(self):
script_name = 'ball_orbit.xml'
script_path = self.sandbox.path_to_jsbsim_file('scripts', script_name)
tree = et.parse(script_path)
run_tag = tree.getroot().find('./run')
# Remove the parameter 'start' from the tag <run>
del run_tag.attrib['start']
tree.write(script_name)
fdm = CreateFDM(self.sandbox)
fdm.load_script(script_name)
fdm.run_ic()
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
ExecuteUntil(fdm, 5.0)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
del fdm
def test_no_script(self):
fdm = CreateFDM(self.sandbox)
aircraft_path = self.sandbox.path_to_jsbsim_file('aircraft')
fdm.load_model('c172x')
aircraft_path = os.path.join(aircraft_path, 'c172x')
fdm.load_ic(os.path.join(aircraft_path, 'reset01.xml'), False)
fdm.run_ic()
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
ExecuteUntil(fdm, 5.0)
t = fdm['simulation/sim-time-sec']
fdm['simulation/do_simple_trim'] = 1
self.assertEqual(fdm['simulation/sim-time-sec'], t)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
del fdm
def test_no_script(self):
fdm = CreateFDM(self.sandbox)
aircraft_path = self.sandbox.path_to_jsbsim_file('aircraft')
fdm.load_model('c172x')
aircraft_path = os.path.join(aircraft_path, 'c172x')
fdm.load_ic(os.path.join(aircraft_path, 'reset01.xml'), False)
fdm.run_ic()
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
ExecuteUntil(fdm, 5.0)
t = fdm['simulation/sim-time-sec']
fdm['simulation/do_simple_trim'] = 1
self.assertEqual(fdm['simulation/sim-time-sec'], t)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm['simulation/sim-time-sec'], 0.0)
del fdm
def test_gust_reset(self):
fdm = CreateFDM(self.sandbox)
fdm.load_script(self.sandbox.path_to_jsbsim_file('scripts', 'c172_cruise_8K.xml'))
fdm.set_property_value('simulation/randomseed', 0.0)
fdm.set_output_directive(self.sandbox.path_to_jsbsim_file('tests', 'output.xml'))
fdm.run_ic()
ExecuteUntil(fdm, 15.5)
ref, current = Table(), Table()
ref.ReadCSV(self.sandbox('output.csv'))
fdm.set_property_value('simulation/randomseed', 0.0)
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 15.5)
current.ReadCSV(self.sandbox('output_0.csv'))
diff = ref.compare(current)
self.longMessage = True
self.assertTrue(diff.empty(), msg='\n'+repr(diff))
def test_script_no_start_time(self):
script_name = 'ball_orbit.xml'
script_path = self.sandbox.path_to_jsbsim_file('scripts', script_name)
tree = et.parse(self.sandbox.elude(script_path))
run_tag = tree.getroot().find('./run')
# Remove the parameter 'start' from the tag <run>
del run_tag.attrib['start']
tree.write(self.sandbox(script_name))
fdm = CreateFDM(self.sandbox)
fdm.load_script(script_name)
fdm.run_ic()
self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'),
0.0)
ExecuteUntil(fdm, 5.0)
fdm.reset_to_initial_conditions(1)
self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'),
0.0)
del fdm
def test_gust_reset(self):
fdm = CreateFDM(self.sandbox)
fdm.load_script(
self.sandbox.path_to_jsbsim_file('scripts', 'c172_cruise_8K.xml'))
fdm.set_property_value('simulation/randomseed', 0.0)
fdm.set_output_directive(
self.sandbox.path_to_jsbsim_file('tests', 'output.xml'))
fdm.run_ic()
ExecuteUntil(fdm, 15.5)
ref, current = Table(), Table()
ref.ReadCSV(self.sandbox('output.csv'))
fdm.set_property_value('simulation/randomseed', 0.0)
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 15.5)
current.ReadCSV(self.sandbox('output_0.csv'))
diff = ref.compare(current)
self.longMessage = True
self.assertTrue(diff.empty(), msg='\n' + repr(diff))
#
fdm = CreateFDM(sandbox)
fdm.load_script(sandbox.path_to_jsbsim_file('scripts', 'c1722.xml'))
fdm.run_ic()
ExecuteUntil(fdm, 1.0)
if not sandbox.exists('JSBout172B.csv'):
print "Standard run: the file 'JSBout172B.csv' should exist."
sys.exit(-1) # 'make test' will report the test failed.
#
# Reset the simulation and check that iteration number is correctly appended to
# the filename.
#
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
if not sandbox.exists('JSBout172B_0.csv'):
print "Reset: the file 'JSBout172B_0.csv' should exist."
sys.exit(-1) # 'make test' will report the test failed.
#
# Change the output filename and check that the naming logic is reset (e.g. that
# no iteration number is appended to the filename
#
fdm.set_output_filename(0, 'dummy.csv')
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
if not sandbox.exists('dummy.csv'):
def test_reset_output_files(self):
#
# Regular run that checks the correct CSV file is created
# We are just checking its existence, not its content. To accelerate the
# test execution, the simulation is interrupted after 1.0sec of simulated
# time.
#
fdm = CreateFDM(self.sandbox)
fdm.load_script(self.sandbox.path_to_jsbsim_file('scripts', 'c1722.xml'))
fdm.run_ic()
ExecuteUntil(fdm, 1.0)
self.assertTrue(self.sandbox.exists('JSBout172B.csv'),
msg="Standard run: the file 'JSBout172B.csv' should exist.")
#
# Reset the simulation and check that iteration number is correctly
# appended to the filename.
#
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(self.sandbox.exists('JSBout172B_0.csv'),
msg="Reset: the file 'JSBout172B_0.csv' should exist.")
#
# Change the output filename and check that the naming logic is reset
# (e.g. that no iteration number is appended to the filename)
#
fdm.set_output_filename(0, 'dummy.csv')
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(self.sandbox.exists('dummy.csv'),
msg="Output name renaming: the file 'dummy.csv' should exist.")
#
# Call FGFDMExec::SetOutputFileName() after the simulation is reset. And
# verify that the new output file name is ignored until the next call to
# FGOutput::SetStartNewOutput(). This should be so according to the
# documentation of FGOutput::SetOutputName().
#
fdm.reset_to_initial_conditions(1)
fdm.set_output_filename(0, 'dummyx.csv')
ExecuteUntil(fdm, 1.0)
self.assertTrue(not self.sandbox.exists('dummyx.csv'),
msg="Late renaming: 'dummyx.csv' should not exist.")
self.assertTrue(self.sandbox.exists('dummy_0.csv'),
msg="Late renaming: 'dummy_0.csv' should exist.")
#
# Check that the new filename is taken into account when the simulation is
# reset.
#
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(self.sandbox.exists('dummyx.csv'),
msg="Reset after late renaming: 'dummyx.csv' should exist.")
#
# Check against multiple calls to FGFDMExec::SetOutputFileName()
#
fdm.set_output_filename(0, 'this_one.csv')
fdm.set_output_filename(0, 'that_one.csv')
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(not self.sandbox.exists('this_one.csv'),
msg="Output name overwritten: 'this_one.csv' should not exist.")
self.assertTrue(self.sandbox.exists('that_one.csv'),
msg="Output name overwritten: 'that_one.csv' should exist.")
#
# Check again on a brand new FDM
#
self.sandbox.delete_csv_files()
# Because JSBSim internals use static pointers, we cannot rely on Python
# garbage collector to decide when the FDM is destroyed otherwise we can
# get dangling pointers.
del fdm
fdm = CreateFDM(self.sandbox)
fdm.load_script(self.sandbox.path_to_jsbsim_file('scripts', 'c1722.xml'))
fdm.run_ic()
fdm.set_output_filename(0,'oops.csv') # Oops!! Changed my mind
ExecuteUntil(fdm, 1.0)
self.assertTrue(not self.sandbox.exists('oops.csv'),
msg="New FDM: 'oops.csv' should not exist.")
self.assertTrue(self.sandbox.exists('JSBout172B.csv'),
msg="New FDM: 'JSBout172B.csv' should exist.")
#
# The new file name 'oops.csv' has been ignored.
# Check if it is now taken into account.
#
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(self.sandbox.exists('oops.csv'),
msg="Reset new FDM: 'oops.csv' should exist.")
def test_reset_output_files(self):
#
# Regular run that checks the correct CSV file is created
# We are just checking its existence, not its content. To accelerate the
# test execution, the simulation is interrupted after 1.0sec of simulated
# time.
#
fdm = CreateFDM(self.sandbox)
fdm.load_script(
self.sandbox.path_to_jsbsim_file('scripts', 'c1722.xml'))
fdm.run_ic()
ExecuteUntil(fdm, 1.0)
self.assertTrue(
self.sandbox.exists('JSBout172B.csv'),
msg="Standard run: the file 'JSBout172B.csv' should exist.")
#
# Reset the simulation and check that iteration number is correctly
# appended to the filename.
#
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(self.sandbox.exists('JSBout172B_0.csv'),
msg="Reset: the file 'JSBout172B_0.csv' should exist.")
#
# Change the output filename and check that the naming logic is reset
# (e.g. that no iteration number is appended to the filename)
#
fdm.set_output_filename(0, 'dummy.csv')
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(
self.sandbox.exists('dummy.csv'),
msg="Output name renaming: the file 'dummy.csv' should exist.")
#
# Call FGFDMExec::SetOutputFileName() after the simulation is reset. And
# verify that the new output file name is ignored until the next call to
# FGOutput::SetStartNewOutput(). This should be so according to the
# documentation of FGOutput::SetOutputName().
#
fdm.reset_to_initial_conditions(1)
fdm.set_output_filename(0, 'dummyx.csv')
ExecuteUntil(fdm, 1.0)
self.assertTrue(not self.sandbox.exists('dummyx.csv'),
msg="Late renaming: 'dummyx.csv' should not exist.")
self.assertTrue(self.sandbox.exists('dummy_0.csv'),
msg="Late renaming: 'dummy_0.csv' should exist.")
#
# Check that the new filename is taken into account when the simulation is
# reset.
#
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(
self.sandbox.exists('dummyx.csv'),
msg="Reset after late renaming: 'dummyx.csv' should exist.")
#
# Check against multiple calls to FGFDMExec::SetOutputFileName()
#
fdm.set_output_filename(0, 'this_one.csv')
fdm.set_output_filename(0, 'that_one.csv')
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(
not self.sandbox.exists('this_one.csv'),
msg="Output name overwritten: 'this_one.csv' should not exist.")
self.assertTrue(
self.sandbox.exists('that_one.csv'),
msg="Output name overwritten: 'that_one.csv' should exist.")
#
# Check again on a brand new FDM
#
self.sandbox.delete_csv_files()
# Because JSBSim internals use static pointers, we cannot rely on Python
# garbage collector to decide when the FDM is destroyed otherwise we can
# get dangling pointers.
del fdm
fdm = CreateFDM(self.sandbox)
fdm.load_script(
self.sandbox.path_to_jsbsim_file('scripts', 'c1722.xml'))
fdm.run_ic()
fdm.set_output_filename(0, 'oops.csv') # Oops!! Changed my mind
ExecuteUntil(fdm, 1.0)
self.assertTrue(not self.sandbox.exists('oops.csv'),
msg="New FDM: 'oops.csv' should not exist.")
self.assertTrue(self.sandbox.exists('JSBout172B.csv'),
msg="New FDM: 'JSBout172B.csv' should exist.")
#
# The new file name 'oops.csv' has been ignored.
# Check if it is now taken into account.
#
fdm.reset_to_initial_conditions(1)
ExecuteUntil(fdm, 1.0)
self.assertTrue(self.sandbox.exists('oops.csv'),
msg="Reset new FDM: 'oops.csv' should exist.")
