class TestICOverride(unittest.TestCase): def setUp(self): self.sandbox = SandBox() def tearDown(self): self.sandbox.erase() def test_IC_override(self): # Run the script c1724.xml script_path = self.sandbox.path_to_jsbsim_file('scripts', 'c1724.xml') fdm = CreateFDM(self.sandbox) fdm.load_script(script_path) vt0 = fdm.get_property_value('ic/vt-kts') fdm.run_ic() self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'), 0.0) self.assertAlmostEqual(fdm.get_property_value('velocities/vt-fps'), vt0 / fpstokts, delta=1E-7) ExecuteUntil(fdm, 1.0) # Check that the total velocity exported in the output file matches the # IC defined in the initialization file ref = Table() ref.ReadCSV(self.sandbox('JSBout172B.csv')) self.assertEqual(ref.get_column('Time')[1], 0.0) self.assertAlmostEqual(ref.get_column('V_{Total} (ft/s)')[1], vt0 / fpstokts, delta=1E-7) # Now, we will re-run the same test but the IC will be overridden in the # script. The initial total velocity is increased by 1 ft/s vt0 += 1.0 # The script c1724.xml is loaded and the following line is added in it: # <property value="..."> ic/vt-kts </property> # The modified script is then saved with the named 'c1724_0.xml' tree = et.parse(self.sandbox.elude(script_path)) run_tag = tree.getroot().find("./run") property = et.SubElement(run_tag, 'property') property.text = 'ic/vt-kts' property.attrib['value'] = str(vt0) tree.write(self.sandbox('c1724_0.xml')) # Re-run the same check than above. This time we are making sure than # the total initial velocity is increased by 1 ft/s 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('c1724_0.xml') self.assertAlmostEqual(fdm.get_property_value('ic/vt-kts'), vt0, delta=1E-6) fdm.run_ic() self.assertEqual(fdm.get_property_value('simulation/sim-time-sec'), 0.0) self.assertAlmostEqual(fdm.get_property_value('velocities/vt-fps'), vt0 / fpstokts, delta=1E-6) ExecuteUntil(fdm, 1.0) mod = Table() mod.ReadCSV(self.sandbox('JSBout172B.csv')) self.assertAlmostEqual(mod.get_column('V_{Total} (ft/s)')[1], vt0 / fpstokts, delta=1E-6)
class TestICOverride(unittest.TestCase): def setUp(self): self.sandbox = SandBox() def tearDown(self): self.sandbox.erase() def test_IC_override(self): # Run the script c1724.xml script_path = self.sandbox.path_to_jsbsim_file('scripts', 'c1724.xml') fdm = CreateFDM(self.sandbox) fdm.load_script(script_path) vt0 = fdm.get_property_value('ic/vt-kts') fdm.run_ic() ExecuteUntil(fdm, 1.0) # Check that the total velocity exported in the output file matches the IC # defined in the initialization file ref = Table() ref.ReadCSV(self.sandbox('JSBout172B.csv')) for col, title in enumerate(ref._lines[0]): if title == 'V_{Total} (ft/s)': self.assertTrue(abs(ref._lines[1][col] - (vt0 / fpstokts)) < 1E-5, msg="Original script %s\nThe total velocity is %f. The value %f was expected" % (script_path, ref._lines[1][col], vt0 / fpstokts)) break else: self.fail("The total velocity is not exported in %s" % (script_path,)) # Now, we will re-run the same test but the IC will be overridden in the scripts # The initial total velocity is increased by 1 ft/s vt0 += 1.0 # The script c1724.xml is loaded and the following line is added in it: # <property value="..."> ic/vt-kts </property> # The modified script is then saved with the named 'c1724_0.xml' tree = et.parse(self.sandbox.elude(script_path)) run_tag = tree.getroot().find("./run") property = et.SubElement(run_tag, 'property') property.text = 'ic/vt-kts' property.attrib['value'] = str(vt0) tree.write(self.sandbox('c1724_0.xml')) # Re-run the same check than above. This time we are making sure than the total # initial velocity is increased by 1 ft/s 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('c1724_0.xml') self.assertTrue(abs(fdm.get_property_value('ic/vt-kts') - vt0) < 1E-5, msg="Modified script %s\nThe total velocity in the IC (%f) is different from %f" % (self.sandbox('JSBout172B.csv'), fdm.get_property_value('ic/vt-kts'), vt0)) fdm.run_ic() ExecuteUntil(fdm, 1.0) mod = Table() mod.ReadCSV(self.sandbox('JSBout172B.csv')) for col, title in enumerate(mod._lines[0]): if title == 'V_{Total} (ft/s)': self.assertTrue(abs(mod._lines[1][col] - (vt0 / fpstokts)) < 1E-5, msg="Modified script %s\nThe total velocity is %f. The value %f was expected" % (self.sandbox('JSBout172B.csv'), mod._lines[1][col], vt0 / fpstokts)) break else: self.fail("The total velocity is not exported in %s" % (sandbox('JSBout172B.csv'),))
class ResetOutputFiles(unittest.TestCase): def setUp(self): self.sandbox = SandBox() def tearDown(self): self.sandbox.erase() 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.")
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) if sandbox.exists('this_one.csv') or not sandbox.exists('that_one.csv'): if sandbox.exists('this_one.csv'): print "Output name overwritten: 'this_one.csv' should not exist." if not sandbox.exists('that_one.csv'): print "Output name overwritten: 'that_one.csv' should exist." sys.exit(-1) # 'make test' will report the test failed. # # Check again on a brand new FDM # sandbox.delete_csv_files() fdm = CreateFDM(sandbox) fdm.load_script(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) if sandbox.exists('oops.csv') or not sandbox.exists('JSBout172B.csv'): if sandbox.exists('oops.csv'): print "New FDM: 'oops.csv' should not exist." if not sandbox.exists('JSBout172B.csv'): print "New FDM: 'JSBout172B.csv' should exist." sys.exit(-1) # 'make test' will report the test failed. #
class ResetOutputFiles(unittest.TestCase): def setUp(self): self.sandbox = SandBox() def tearDown(self): self.sandbox.erase() 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.")
class TestModelLoading(unittest.TestCase): def setUp(self): self.sandbox = SandBox() def tearDown(self): self.sandbox.erase() def BuildReference(self, script_name): # Run the script self.script = self.sandbox.path_to_jsbsim_file(os.path.join('scripts', script_name)) self.sandbox.delete_csv_files() fdm = CreateFDM(self.sandbox) fdm.set_output_directive(self.sandbox.path_to_jsbsim_file('tests', 'output.xml')) fdm.load_script(self.script) fdm.set_property_value('simulation/randomseed', 0.0) fdm.run_ic() ExecuteUntil(fdm, 50.0) self.ref = Table() self.ref.ReadCSV(self.sandbox("output.csv")) # Since the script will work with modified versions of the aircraft XML # definition file, we need to make a copy of the directory that contains # all the input data of that aircraft tree, self.aircraft_name, self.path_to_jsbsim_aircrafts = CopyAircraftDef(self.script, self.sandbox) self.aircraft_path = self.sandbox('aircraft', self.aircraft_name) def ProcessAndCompare(self, section): # Here we determine if the original aircraft definition <section> is # inline or read from an external file. tree = et.parse(os.path.join(self.path_to_jsbsim_aircrafts, self.aircraft_name + '.xml')) root = tree.getroot() # Iterate over all the tags named <section> for section_element in root.findall(section): if 'file' in section_element.keys(): self.InsertAndCompare(section_element, tree) else: self.DetachAndCompare(section_element, tree) def DetachAndCompare(self, section_element, tree): # Extract <section> from the original aircraft definition file and copy # it in a separate XML file 'section.xml' section_tree = et.ElementTree(element=section_element) if 'name' in section_element.keys(): section = section_element.attrib['name'] else: section = section_element.tag section_tree.write(os.path.join(self.aircraft_path, section+'.xml'), xml_declaration=True) # Now, we need to clean up the aircraft definition file from all # references to <section>. We just need a single <section> tag that # points to the file 'section.xml' for element in list(section_element): section_element.remove(element) section_element.attrib = {'file': section+'.xml'} tree.write(os.path.join(self.aircraft_path, self.aircraft_name+'.xml'), xml_declaration=True) self.Compare(section) def InsertAndCompare(self, section_element, tree): file_name = append_xml(section_element.attrib['file']) section_file = os.path.join(self.path_to_jsbsim_aircrafts, file_name) # If <section> is actually <system>, we need to iterate over all the # directories in which the file is allowed to be stored until the file # is located. if not os.path.exists(section_file) and section_element.tag == 'system': section_file = os.path.join(self.path_to_jsbsim_aircrafts, "systems", file_name) if not os.path.exists(section_file): section_file = self.sandbox.elude(self.sandbox.path_to_jsbsim_file("systems", file_name)) # The original <section> tag is dropped and replaced by the content of # the file. section_root = et.parse(section_file).getroot() del section_element.attrib['file'] section_element.attrib.update(section_root.attrib) section_element.extend(section_root) tree.write(os.path.join(self.aircraft_path, self.aircraft_name+'.xml')) self.Compare(section_element.tag+" file:"+section_file) def Compare(self, section): # Rerun the script with the modified aircraft definition self.sandbox.delete_csv_files() fdm = CreateFDM(self.sandbox) # We need to tell JSBSim that the aircraft definition is located in the # directory build/.../aircraft fdm.set_aircraft_path('aircraft') fdm.set_output_directive(self.sandbox.path_to_jsbsim_file('tests', 'output.xml')) fdm.load_script(self.script) fdm.set_property_value('simulation/randomseed', 0.0) fdm.run_ic() ExecuteUntil(fdm, 50.0) mod = Table() mod.ReadCSV(self.sandbox('output.csv')) # Whether the data is read from the aircraft definition file or from an # external file, the results shall be exactly identical. Hence the # precision set to 0.0. diff = self.ref.compare(mod, 0.0) self.assertTrue(diff.empty(), msg='\nTesting section "'+section+'"\n'+repr(diff)) def test_model_loading(self): self.longMessage = True self.BuildReference('c1724.xml') output_ref = Table() output_ref.ReadCSV(self.sandbox('JSBout172B.csv')) self.ProcessAndCompare('aerodynamics') self.ProcessAndCompare('autopilot') self.ProcessAndCompare('flight_control') self.ProcessAndCompare('ground_reactions') self.ProcessAndCompare('mass_balance') self.ProcessAndCompare('metrics') self.ProcessAndCompare('propulsion') self.ProcessAndCompare('system') # The <output> section needs special handling. In addition to the check # conducted by ProcessAndCompare with a directive file, we need to # verify that the <output> tag has been correctly executed by JSBSim. # In the case of the script c1724.xml, this means that the data output # in JSBout172B.csv is the same between the reference 'output_ref' and # the result 'mod' below where the <output> tag was moved in a separate # file. self.ProcessAndCompare('output') mod = Table() mod.ReadCSV(self.sandbox('JSBout172B.csv')) diff = output_ref.compare(mod, 0.0) self.assertTrue(diff.empty(), msg='\nTesting section "output"\n'+repr(diff)) self.BuildReference('weather-balloon.xml') self.ProcessAndCompare('buoyant_forces') self.BuildReference('Concorde_runway_test.xml') self.ProcessAndCompare('external_reactions')
class TestICOverride(unittest.TestCase): def setUp(self): self.sandbox = SandBox() def tearDown(self): self.sandbox.erase() def test_IC_override(self): # Run the script c1724.xml script_path = self.sandbox.path_to_jsbsim_file('scripts', 'c1724.xml') fdm = CreateFDM(self.sandbox) fdm.load_script(script_path) vt0 = fdm.get_property_value('ic/vt-kts') fdm.run_ic() ExecuteUntil(fdm, 1.0) # Check that the total velocity exported in the output file matches the IC # defined in the initialization file ref = Table() ref.ReadCSV(self.sandbox('JSBout172B.csv')) for col, title in enumerate(ref._lines[0]): if title == 'V_{Total} (ft/s)': self.assertTrue( abs(ref._lines[1][col] - (vt0 / fpstokts)) < 1E-5, msg= "Original script %s\nThe total velocity is %f. The value %f was expected" % (script_path, ref._lines[1][col], vt0 / fpstokts)) break else: self.fail("The total velocity is not exported in %s" % (script_path, )) # Now, we will re-run the same test but the IC will be overridden in the scripts # The initial total velocity is increased by 1 ft/s vt0 += 1.0 # The script c1724.xml is loaded and the following line is added in it: # <property value="..."> ic/vt-kts </property> # The modified script is then saved with the named 'c1724_0.xml' tree = et.parse(self.sandbox.elude(script_path)) run_tag = tree.getroot().find("./run") property = et.SubElement(run_tag, 'property') property.text = 'ic/vt-kts' property.attrib['value'] = str(vt0) tree.write(self.sandbox('c1724_0.xml')) # Re-run the same check than above. This time we are making sure than the total # initial velocity is increased by 1 ft/s 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('c1724_0.xml') self.assertTrue( abs(fdm.get_property_value('ic/vt-kts') - vt0) < 1E-5, msg= "Modified script %s\nThe total velocity in the IC (%f) is different from %f" % (self.sandbox('JSBout172B.csv'), fdm.get_property_value('ic/vt-kts'), vt0)) fdm.run_ic() ExecuteUntil(fdm, 1.0) mod = Table() mod.ReadCSV(self.sandbox('JSBout172B.csv')) for col, title in enumerate(mod._lines[0]): if title == 'V_{Total} (ft/s)': self.assertTrue( abs(mod._lines[1][col] - (vt0 / fpstokts)) < 1E-5, msg= "Modified script %s\nThe total velocity is %f. The value %f was expected" % (self.sandbox('JSBout172B.csv'), mod._lines[1][col], vt0 / fpstokts)) break else: self.fail("The total velocity is not exported in %s" % (sandbox('JSBout172B.csv'), ))
class TestModelLoading(unittest.TestCase): def setUp(self): self.sandbox = SandBox() def tearDown(self): self.sandbox.erase() def BuildReference(self, script_name): # Run the script self.script = self.sandbox.path_to_jsbsim_file( os.path.join('scripts', script_name)) self.sandbox.delete_csv_files() fdm = CreateFDM(self.sandbox) fdm.set_output_directive( self.sandbox.path_to_jsbsim_file('tests', 'output.xml')) fdm.load_script(self.script) fdm.set_property_value('simulation/randomseed', 0.0) fdm.run_ic() ExecuteUntil(fdm, 50.0) self.ref = Table() self.ref.ReadCSV(self.sandbox("output.csv")) # Since the script will work with modified versions of the aircraft XML # definition file, we need to make a copy of the directory that contains # all the input data of that aircraft tree, self.aircraft_name, self.path_to_jsbsim_aircrafts = CopyAircraftDef( self.script, self.sandbox) self.aircraft_path = self.sandbox('aircraft', self.aircraft_name) def ProcessAndCompare(self, section): # Here we determine if the original aircraft definition <section> is # inline or read from an external file. tree = et.parse( os.path.join(self.path_to_jsbsim_aircrafts, self.aircraft_name + '.xml')) root = tree.getroot() # Iterate over all the tags named <section> for section_element in root.findall(section): if 'file' in section_element.keys(): self.InsertAndCompare(section_element, tree) else: self.DetachAndCompare(section_element, tree) def DetachAndCompare(self, section_element, tree): # Extract <section> from the original aircraft definition file and copy # it in a separate XML file 'section.xml' section_tree = et.ElementTree(element=section_element) if 'name' in section_element.keys(): section = section_element.attrib['name'] else: section = section_element.tag section_tree.write(os.path.join(self.aircraft_path, section + '.xml'), xml_declaration=True) # Now, we need to clean up the aircraft definition file from all # references to <section>. We just need a single <section> tag that # points to the file 'section.xml' for element in list(section_element): section_element.remove(element) section_element.attrib = {'file': section + '.xml'} tree.write(os.path.join(self.aircraft_path, self.aircraft_name + '.xml'), xml_declaration=True) self.Compare(section) def InsertAndCompare(self, section_element, tree): file_name = append_xml(section_element.attrib['file']) section_file = os.path.join(self.path_to_jsbsim_aircrafts, file_name) # If <section> is actually <system>, we need to iterate over all the # directories in which the file is allowed to be stored until the file # is located. if not os.path.exists( section_file) and section_element.tag == 'system': section_file = os.path.join(self.path_to_jsbsim_aircrafts, "systems", file_name) if not os.path.exists(section_file): section_file = self.sandbox.elude( self.sandbox.path_to_jsbsim_file("systems", file_name)) # The original <section> tag is dropped and replaced by the content of # the file. section_root = et.parse(section_file).getroot() del section_element.attrib['file'] section_element.attrib.update(section_root.attrib) section_element.extend(section_root) tree.write( os.path.join(self.aircraft_path, self.aircraft_name + '.xml')) self.Compare(section_element.tag + " file:" + section_file) def Compare(self, section): # Rerun the script with the modified aircraft definition self.sandbox.delete_csv_files() fdm = CreateFDM(self.sandbox) # We need to tell JSBSim that the aircraft definition is located in the # directory build/.../aircraft fdm.set_aircraft_path('aircraft') fdm.set_output_directive( self.sandbox.path_to_jsbsim_file('tests', 'output.xml')) fdm.load_script(self.script) fdm.set_property_value('simulation/randomseed', 0.0) fdm.run_ic() ExecuteUntil(fdm, 50.0) mod = Table() mod.ReadCSV(self.sandbox('output.csv')) # Whether the data is read from the aircraft definition file or from an # external file, the results shall be exactly identical. Hence the # precision set to 0.0. diff = self.ref.compare(mod, 0.0) self.assertTrue(diff.empty(), msg='\nTesting section "' + section + '"\n' + repr(diff)) def test_model_loading(self): self.longMessage = True self.BuildReference('c1724.xml') output_ref = Table() output_ref.ReadCSV(self.sandbox('JSBout172B.csv')) self.ProcessAndCompare('aerodynamics') self.ProcessAndCompare('autopilot') self.ProcessAndCompare('flight_control') self.ProcessAndCompare('ground_reactions') self.ProcessAndCompare('mass_balance') self.ProcessAndCompare('metrics') self.ProcessAndCompare('propulsion') self.ProcessAndCompare('system') # The <output> section needs special handling. In addition to the check # conducted by ProcessAndCompare with a directive file, we need to # verify that the <output> tag has been correctly executed by JSBSim. # In the case of the script c1724.xml, this means that the data output # in JSBout172B.csv is the same between the reference 'output_ref' and # the result 'mod' below where the <output> tag was moved in a separate # file. self.ProcessAndCompare('output') mod = Table() mod.ReadCSV(self.sandbox('JSBout172B.csv')) diff = output_ref.compare(mod, 0.0) self.assertTrue(diff.empty(), msg='\nTesting section "output"\n' + repr(diff)) self.BuildReference('weather-balloon.xml') self.ProcessAndCompare('buoyant_forces') self.BuildReference('Concorde_runway_test.xml') self.ProcessAndCompare('external_reactions')