def test_ccsds_packet_interface_import_ccsds_header_types_class_attributes():
"""
Test import_ccsds_header_types function:
check whether class methods (is_command/get_function_code/get_msg_id) are implemented
Dynamically imports the appropriate CCSDS primary header, command, and telemetry types from the location given
in the config value 'CCSDS_header_path' and if found, returns them in a tuple.
"""
headers_path = "./plugins/ccsds_plugin/cfe/ccsds_v2/ccsds_v2.py"
sys.path.append(os.path.dirname(headers_path))
headers_module = importlib.import_module(
os.path.basename(headers_path).replace(".py", ""))
ccsds_telemetry = getattr(sys.modules['ccsds_v2'], "CcsdsTelemetry")
setattr(ccsds_telemetry, 'get_msg_id', None)
assert import_ccsds_header_types() is None
ccsds_command = getattr(sys.modules['ccsds_v2'], "CcsdsCommand")
setattr(ccsds_command, 'get_function_code', None)
assert import_ccsds_header_types() is None
ccsds_primary_header = getattr(sys.modules['ccsds_v2'],
"CcsdsPrimaryHeader")
print("in test ccsds_primary_header=", ccsds_primary_header)
setattr(ccsds_primary_header, 'is_command', None)
assert import_ccsds_header_types() is None
# restore class attributes
importlib.reload(headers_module)
assert import_ccsds_header_types() is not None
def test_ccsds_packet_interface_import_ccsds_header_types_exception():
"""
Test import_ccsds_header_types function: raise exception
Dynamically imports the appropriate CCSDS primary header, command, and telemetry types from the location given
in the config value 'CCSDS_header_path' and if found, returns them in a tuple.
"""
with patch("os.path.exists", return_value=False):
assert import_ccsds_header_types() is None
with pytest.raises(CtfTestError):
with patch("importlib.import_module") as mock_import_module:
mock_import_module.side_effect = CtfTestError(
"Raise import_module exception for unit test")
assert import_ccsds_header_types() is None
def initialize(self):
log.debug("Initializing CfsController")
self.process_ccsds_files()
ccsds = import_ccsds_header_types()
if not (ccsds and ccsds.CcsdsPrimaryHeader and ccsds.CcsdsCommand
and ccsds.CcsdsTelemetry):
log.error("Unable to import required CCSDS header types")
return False
log.info("Starting Local CFS Interface")
command = CommandInterface(ccsds, self.config.cmd_udp_port,
self.config.cfs_target_ip,
self.config.endianess_of_target)
telemetry = TlmListener(self.config.ctf_ip, self.config.tlm_udp_port)
self.cfs = LocalCfsInterface(self.config, telemetry, command,
self.mid_map, ccsds)
result = self.cfs.init_passed
if not result:
log.error("Failed to initialize LocalCfsInterface")
else:
if self.config.start_cfs_on_init and not self.cfs_running:
result = self.start_cfs("")
else:
log.warn(
"Not starting CFS executable... Expecting \"StartCfs\" in test script..."
)
if result:
log.info("CfsController Initialized")
return result
def process_ccsds_files(self):
"""
Create mid map for CFS plugin, if map does not exist, create ccsds_reader from INIT config file.
"""
result = True
if self.mid_map is None:
log.info("Creating MID Map from CCDD Data at {}".format(
self.config.ccsds_data_dir))
self.ccsds_reader = CCDDExportReader(self.config)
self.mid_map, self.macro_map = self.ccsds_reader.get_ccsds_messages_from_dir(
self.config.ccsds_data_dir)
else:
log.debug("MID Map is already populated; skipping CCDD Data...")
try:
self.ccsds = import_ccsds_header_types()
except CtfTestError:
self.ccsds = None
log.warning("Error importing CCSDS header types")
if not (self.ccsds and self.ccsds.CcsdsPrimaryHeader
and self.ccsds.CcsdsCommand and self.ccsds.CcsdsTelemetry):
log.error("Unable to load required CCSDS data types")
result = False
return result
def test_ccsds_packet_interface_import_ccsds_header_types():
"""
Test import_ccsds_header_types function
Dynamically imports the appropriate CCSDS primary header, command, and telemetry types from the location given
in the config value 'CCSDS_header_path' and if found, returns them in a tuple.
"""
header_types = import_ccsds_header_types()
assert len(header_types) == 3
assert header_types[0].__name__ == 'CcsdsV2PrimaryHeader'
assert header_types[1].__name__ == 'CcsdsV2CmdPacket'
assert header_types[2].__name__ == 'CcsdsV2TlmPacket'
def test_ccsds_packet_interface_import_ccsds_header_types_module_attributes():
"""
Test import_ccsds_header_types function: check missing module attributes
Dynamically imports the appropriate CCSDS primary header, command, and telemetry types from the location given
in the config value 'CCSDS_header_path' and if found, returns them in a tuple.
"""
headers_path = "./plugins/ccsds_plugin/cfe/ccsds_v2/ccsds_v2.py"
sys.path.append(os.path.dirname(headers_path))
headers_module = importlib.import_module(
os.path.basename(headers_path).replace(".py", ""))
# test case: if headers_module does not have required attributes, return None
del headers_module.CcsdsTelemetry
assert import_ccsds_header_types() is None
del headers_module.CcsdsCommand
assert import_ccsds_header_types() is None
del headers_module.CcsdsPrimaryHeader
assert import_ccsds_header_types() is None
# restore class attributes
importlib.reload(headers_module)
assert len(import_ccsds_header_types()) == 3
def initialize(self):
log.debug("Initializing SP0CfsController")
self.process_ccsds_files()
ccsds = import_ccsds_header_types()
if not (ccsds and ccsds.CcsdsPrimaryHeader and ccsds.CcsdsCommand
and ccsds.CcsdsTelemetry):
log.error("Unable to import required CCSDS header types")
return False
log.info("Starting SP0 CFS Interface")
result = self.sp0_plugin = Global.plugin_manager.find_plugin_for_command(
"SP0_Register")
if not result:
log.error("Failed to connect to SP0 plugin.")
else:
result = self.sp0_plugin.sp0_register_from_config(
self.config.name, self.config)
if not result:
log.error("Failed SP0 Configuration.")
else:
command = CommandInterface(ccsds, self.config.cmd_udp_port,
self.config.cfs_target_ip)
telemetry = TlmListener(self.config.ctf_ip,
self.config.tlm_udp_port)
self.cfs = SP0CfsInterface(self.config, telemetry, command,
self.mid_map, ccsds,
self.sp0_plugin)
result = self.cfs.init_passed
if not result:
log.error("Failed to initialize SP0CfsInterface")
elif self.config.start_cfs_on_init and not self.cfs_running:
result = self.start_cfs("")
else:
log.warn(
"Not starting CFS executable... Expecting \"StartCfs\" in test script..."
)
if result:
log.info("SP0CfsController Initialized")
return result