automotive/xcp/xcp.uts

% Regression tests for the XCP
# More information at http://www.secdev.org/projects/UTscapy/

############
############

+ Basic operations

= Load module

load_layer("can", globals_dict=globals())
conf.contribs['CAN']['swap-bytes'] = False
load_contrib("automotive.xcp.xcp",  globals_dict=globals())


= Test padding

conf.contribs["XCP"]["add_padding_for_can"] = True

pkt = XCPOnCAN(identifier=0x700) / CTORequest() / Connect()
build_pkt = bytes(pkt)
hexdump(build_pkt)
assert build_pkt == b'\x00\x00\x07\x00\x08\x00\x00\x00\xff\x00\xcc\xcc\xcc\xcc\xcc\xcc'
conf.contribs["XCP"]["add_padding_for_can"] = False

= test_get_com_mode_info
conf.contribs["XCP"]["add_padding_for_can"] = False

cto_request = CTORequest() / GetCommModeInfo()
assert cto_request.pid == 0xfb
assert bytes(cto_request) == b'\xfb'

cto_response = CTOResponse(b'\xff\x00\x01\x00\x02\x00\x00\x64')
assert cto_response.packet_code == 0xFF

assert cto_response.answers(cto_request)

get_comm_mode_info_response = cto_response["CommonModeInfoPositiveResponse"]
assert "master_block_mode" in get_comm_mode_info_response.comm_mode_optional
assert get_comm_mode_info_response.max_bs == 0x02
assert get_comm_mode_info_response.min_st == 0x00
assert get_comm_mode_info_response.xcp_driver_version_number == 0x64

= test_get_status

cto_request = CTORequest() / GetStatus()
assert cto_request.pid == 0xfd
assert bytes(cto_request) == b'\xfd'

cto_response = CTOResponse(b'\xff\x00\x15\x00\x00\x00')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

get_comm_mode_info_response = cto_response["StatusPositiveResponse"]
assert get_comm_mode_info_response.current_session_status == 0x00
assert "cal_pag" in get_comm_mode_info_response.current_resource_protection_status
assert "x1" not in get_comm_mode_info_response.current_resource_protection_status
assert "daq" in get_comm_mode_info_response.current_resource_protection_status
assert "stim" not in get_comm_mode_info_response.current_resource_protection_status
assert "pgm" in get_comm_mode_info_response.current_resource_protection_status
assert "x5" not in get_comm_mode_info_response.current_resource_protection_status
assert "x6" not in get_comm_mode_info_response.current_resource_protection_status
assert "x7" not in get_comm_mode_info_response.current_resource_protection_status

assert get_comm_mode_info_response.session_configuration_id == 0x0000

= test_get_seed

conf.contribs['XCP']['MAX_CTO'] = 8
cto_request = CTORequest() / GetSeed(b'\x00\x01')
assert cto_request.pid == 0xf8
assert bytes(cto_request) == b'\xf8\x00\x01'

cto_response = CTOResponse(b'\xff\x06\x00\x01\x02\x03\x04\x05')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

get_seed_response = cto_response["SeedPositiveResponse"]
assert get_seed_response.seed_length == 0x06
assert get_seed_response.seed == b'\x00\x01\x02\x03\x04\x05'

= test_unlock

conf.contribs['XCP']['MAX_CTO'] = 8
cto_request = CTORequest() / Unlock(b'\x06\x69\xAB\xA6\x00\x00\x00')
assert cto_request.pid == 0xf7
assert cto_request['Unlock'].len == 0x06
assert cto_request['Unlock'].seed == b'\x69\xAB\xA6\x00\x00\x00'
assert bytes(cto_request) == b'\xf7\x06\x69\xAB\xA6\x00\x00\x00'

cto_response = CTOResponse(b'\xff\x14')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

unlock_response = cto_response["UnlockPositiveResponse"]
assert unlock_response.current_resource_protection_status == 0x14
assert "cal_pag" not in unlock_response.current_resource_protection_status
assert "x1" not in unlock_response.current_resource_protection_status
assert "daq" in unlock_response.current_resource_protection_status
assert "stim" not in unlock_response.current_resource_protection_status
assert "pgm" in unlock_response.current_resource_protection_status
assert "x5" not in unlock_response.current_resource_protection_status
assert "x6" not in unlock_response.current_resource_protection_status
assert "x7" not in unlock_response.current_resource_protection_status

= test_get_id

conf.contribs['XCP']['byte_order'] = 0
cto_request = CTORequest() / GetId(b'\x01')
assert cto_request.pid == 0xfa
assert bytes(cto_request) == b'\xfa\x01'
assert cto_request['GetId'].identification_type == 0x01

cto_response = CTOResponse(b'\xff\x00\x00\x00\x06\x00\x00\x00')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

get_id_response = cto_response["IdPositiveResponse"]
assert get_id_response.mode == 0x00
assert get_id_response.length == 6


= test_upload

conf.contribs['XCP']['MAX_CTO'] = 8
conf.contribs['XCP']['Address_Granularity_Byte'] = 1

cto_request = CTORequest() / Upload(b'\x06')
assert cto_request.pid == 0xf5
assert bytes(cto_request) == b'\xf5\x06'
assert cto_request['Upload'].nr_of_data_elements == 0x06

cto_response = CTOResponse(b'\xff\x58\x43\x50\x53\x49\x4D')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

upload_response = cto_response["UploadPositiveResponse"]
assert upload_response.element == b'\x58\x43\x50\x53\x49\x4D'

= test_cal_page

cto_request = CTORequest() / GetCalPage(b'\x01\x00')
assert cto_request.pid == 0xea
assert bytes(cto_request) == b'\xea\x01\x00'

cto_response = CTOResponse(b'\xff\x00\x00\x01')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

get_cal_page_response = cto_response["CalPagePositiveResponse"]
assert get_cal_page_response.logical_data_page_number == 0x01

= test_set_mta

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / SetMta(b'\xff\xff\x00\x3c\x00\x00\x00')
assert cto_request.pid == 0xf6
assert bytes(cto_request) == b'\xf6\xff\xff\x00\x3c\x00\x00\x00'
assert cto_request['SetMta'].address_extension == 0x00
assert cto_request['SetMta'].address == 0x3C

cto_response = CTOResponse(b'\xff')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_build_checksum

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / BuildChecksum(b'\xff\xff\xff\xad\x0d\x00\x00')
assert cto_request.pid == 0xf3
assert bytes(cto_request) == b'\xf3\xff\xff\xff\xad\x0d\x00\x00'
assert hex(cto_request['BuildChecksum'].block_size) == '0xdad'

cto_response = CTOResponse(b'\xff\x02\xff\xff\x2C\x87\x00\x00')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

build_checksum_response = cto_response["ChecksumPositiveResponse"]
assert build_checksum_response.checksum_type == 0x02
assert hex(build_checksum_response.checksum) == '0x872c'

= test_download

conf.contribs['XCP']['byte_order'] = 0
conf.contribs['XCP']['MAX_CTO'] = 8
conf.contribs['XCP']['Address_Granularity_Byte'] = 1

cto_request = CTORequest() / Download(b'\x04\x00\x00\x80\x3f')
assert cto_request.pid == 0xf0
assert bytes(cto_request) == b'\xf0\x04\x00\x00\x80\x3f'
assert cto_request['Download'].nr_of_data_elements == 0x04
assert cto_request['Download'].data_elements == b'\x00\x00\x80\x3f'

cto_response = CTOResponse(b'\xff')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_short_upload

conf.contribs['XCP']['byte_order'] = 0
conf.contribs['XCP']['MAX_CTO'] = 8
conf.contribs['XCP']['Address_Granularity_Byte'] = 1

cto_request = CTORequest() / ShortUpload(b'\04\xff\x00\x60\x00\x00\x00')
assert cto_request.pid == 0xf4
assert bytes(cto_request) == b'\xf4\x04\xff\x00\x60\x00\x00\x00'
assert cto_request['ShortUpload'].nr_of_data_elements == 0x04
assert cto_request['ShortUpload'].address_extension == 0x00
assert hex(cto_request['ShortUpload'].address) == '0x60'

cto_response = CTOResponse(b'\xff\x00\x00\x80\x3F')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

upload_response = cto_response["ShortUploadPositiveResponse"]
assert upload_response.element == b'\x00\x00\x80\x3F'

= test_copy_cal_page

cto_request = CTORequest() / CopyCalPage(b'\00\x01\x02\x03')
assert cto_request.pid == 0xe4
assert bytes(cto_request) == b'\xe4\00\x01\x02\x03'
assert cto_request['CopyCalPage'].segment_num_src == 0x00
assert cto_request['CopyCalPage'].page_num_src == 0x01
assert cto_request['CopyCalPage'].segment_num_dst == 0x02
assert cto_request['CopyCalPage'].page_num_dst == 0x03

cto_response = CTOResponse(b'\xff')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_get_daq_processor_info

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / GetDaqProcessorInfo()
assert cto_request.pid == 0xda
assert bytes(cto_request) == b'\xda'
cto_response = CTOResponse(b'\xff\x11\x00\x00\x01\x00\x00\x40')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

processor_info_response = cto_response["DAQProcessorInfoPositiveResponse"]
assert processor_info_response.daq_properties == 0x11
assert "daq_config_type" in processor_info_response.daq_properties
assert "timestamp_supported" in processor_info_response.daq_properties

assert "prescaler_supported" not in processor_info_response.daq_properties
assert "resume_supported" not in processor_info_response.daq_properties
assert "bit_stim_supported" not in processor_info_response.daq_properties
assert "pid_off_supported" not in processor_info_response.daq_properties
assert "overload_msb" not in processor_info_response.daq_properties
assert "overload_event" not in processor_info_response.daq_properties

assert processor_info_response.max_daq == 0x0000
assert processor_info_response.max_event_channel == 0x0001
assert processor_info_response.min_daq == 0x00
assert processor_info_response.daq_key_byte == 0x40
assert "optimisation_type_0" not in processor_info_response.daq_key_byte
assert "optimisation_type_1" not in processor_info_response.daq_key_byte
assert "optimisation_type_2" not in processor_info_response.daq_key_byte
assert "optimisation_type_3" not in processor_info_response.daq_key_byte
assert "identification_field_type_0" in processor_info_response.daq_key_byte
assert "identification_field_type_1" not in processor_info_response.daq_key_byte

assert "address_extension_odt" not in processor_info_response.daq_key_byte
assert "address_extension_daq" not in processor_info_response.daq_key_byte
assert "address_extension_daq" not in processor_info_response.daq_key_byte

= test_daq_resolution_info

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / GetDaqResolutionInfo()
assert cto_request.pid == 0xd9
assert bytes(cto_request) == b'\xd9'

cto_response = CTOResponse(b'\xff\x02\xfd\xff\xff\x62\x0a\x00')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

resolution_info_response = cto_response["DAQResolutionInfoPositiveResponse"]
assert resolution_info_response.granularity_odt_entry_size_daq == 0x02
assert resolution_info_response.max_odt_entry_size_daq == 0xfd
assert resolution_info_response.granularity_odt_entry_size_stim == 0xff
assert resolution_info_response.max_odt_entry_size_stim == 0xff
assert resolution_info_response.timestamp_mode == 0x62
assert "size_0" not in resolution_info_response.timestamp_mode
assert "size_1" in resolution_info_response.timestamp_mode
assert "size_2" not in resolution_info_response.timestamp_mode
assert "timestamp_fixed" not in resolution_info_response.timestamp_mode
assert "unit_0" not in resolution_info_response.timestamp_mode
assert "unit_1" in resolution_info_response.timestamp_mode
assert "unit_2" in resolution_info_response.timestamp_mode
assert "unit_3" not in resolution_info_response.timestamp_mode

assert resolution_info_response.timestamp_ticks == 0x000A

= test_daq_event_info

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / GetDaqEventInfo(b'\xff\x00\x00')
assert cto_request.pid == 0xd7
assert bytes(cto_request) == b'\xd7\xff\x00\x00'
assert cto_request['GetDaqEventInfo'].event_channel_num == 0x0000

cto_response = CTOResponse(b'\xFF\x04\x01\x05\x0A\x60\x00')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

event_info_response = cto_response["DAQEventInfoPositiveResponse"]
assert event_info_response.daq_event_properties == 0x04
assert "x_0" not in event_info_response.daq_event_properties
assert "x_1" not in event_info_response.daq_event_properties
assert "daq" in event_info_response.daq_event_properties
assert "stim" not in event_info_response.daq_event_properties
assert "x_4" not in event_info_response.daq_event_properties
assert "x_5" not in event_info_response.daq_event_properties
assert "x_6" not in event_info_response.daq_event_properties
assert "x_7" not in event_info_response.daq_event_properties

assert event_info_response.max_daq_list == 0x01
assert event_info_response.event_channel_name_length == 0x05
assert event_info_response.event_channel_time_cycle == 0x0a
assert event_info_response.event_channel_time_unit == 0x60
assert event_info_response.event_channel_priority == 0x00

= test_daq_list_info

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / GetDaqListInfo(b'\xff\x00\x00')
assert cto_request.pid == 0xd8
assert bytes(cto_request) == b'\xd8\xff\x00\x00'
assert cto_request['GetDaqListInfo'].daq_list_num == 0x0000

cto_response = CTOResponse(b'\xFF\x04\x03\x0a\x00\x00')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

list_info_response = cto_response["DAQListInfoPositiveResponse"]
assert list_info_response.daq_list_properties == 0x04
assert "predefined" not in list_info_response.daq_list_properties
assert "event_fixed" not in list_info_response.daq_list_properties
assert "daq" in list_info_response.daq_list_properties
assert "stim" not in list_info_response.daq_list_properties
assert "x_4" not in list_info_response.daq_list_properties
assert "x_5" not in list_info_response.daq_list_properties
assert "x_6" not in list_info_response.daq_list_properties
assert "x_7" not in list_info_response.daq_list_properties

assert list_info_response.max_odt == 0x03
assert list_info_response.max_odt_entries == 0x0a
assert list_info_response.fixed_event == 0x00

= test_clear_daq_list

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / ClearDaqList(b'\xff\x00\x00')
assert cto_request.pid == 0xe3
assert bytes(cto_request) == b'\xe3\xff\x00\x00'
assert cto_request['ClearDaqList'].daq_list_num == 0x0000

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_alloc_daq

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / AllocDaq(b'\xff\x01\x00')
assert cto_request.pid == 0xd5
assert bytes(cto_request) == b'\xd5\xff\x01\x00'
assert cto_request['AllocDaq'].daq_count == 0x0001

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_alloc_odt

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / AllocOdt(b'\xff\x00\x00\x01')
assert cto_request.pid == 0xd4
assert bytes(cto_request) == b'\xd4\xff\x00\x00\x01'
assert cto_request['AllocOdt'].daq_list_num == 0x0000
assert cto_request['AllocOdt'].odt_count == 0x01

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_alloc_odt_entry

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / AllocOdtEntry(b'\xff\x00\x00\x00\x02')
assert cto_request.pid == 0xd3
assert bytes(cto_request) == b'\xd3\xff\x00\x00\x00\x02'
assert cto_request['AllocOdtEntry'].daq_list_num == 0x0000
assert cto_request['AllocOdtEntry'].odt_num == 0x00
assert cto_request['AllocOdtEntry'].odt_entries_count == 0x02

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_set_daq_ptr

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / SetDaqPtr(b'\xff\x00\x00\x00\x00')
assert cto_request.pid == 0xe2
assert bytes(cto_request) == b'\xe2\xff\x00\x00\x00\x00'
assert cto_request['SetDaqPtr'].daq_list_num == 0x0000
assert cto_request['SetDaqPtr'].odt_num == 0x00
assert cto_request['SetDaqPtr'].odt_entry_num == 0x00

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_write_daq

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / WriteDaq(b'\xFF\x04\x00\x08\x55\x0C\x00')
assert cto_request.pid == 0xe1
assert bytes(cto_request) == b'\xe1\xFF\x04\x00\x08\x55\x0C\x00'
assert cto_request['WriteDaq'].bit_offset == 0xff
assert cto_request['WriteDaq'].size_of_daq_element == 0x04
assert cto_request['WriteDaq'].address_extension == 0x00
assert cto_request['WriteDaq'].address == 0x000C5508

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_set_daq_list_mode(self):
conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / SetDaqListMode(b'\x10\x00\x00\x00\x00\x01\x00')
assert cto_request.pid == 0xe0
assert bytes(cto_request) == b'\xe0\x10\x00\x00\x00\x00\x01\x00'
set_daq_list_mode_request = cto_request['SetDaqListMode']
assert set_daq_list_mode_request.mode == 0x10
assert "x0" not in set_daq_list_mode_request.mode
assert "direction" not in set_daq_list_mode_request.mode
assert "x2" not in set_daq_list_mode_request.mode
assert "x3" not in set_daq_list_mode_request.mode
assert "timestamp" in set_daq_list_mode_request.mode
assert "pid_off" not in set_daq_list_mode_request.mode
assert "x6" not in set_daq_list_mode_request.mode
assert "x7" not in set_daq_list_mode_request.mode

assert set_daq_list_mode_request.daq_list_num == 0x0000
assert set_daq_list_mode_request.event_channel_num == 0x0000
assert set_daq_list_mode_request.transmission_rate_prescaler == 0x01
assert set_daq_list_mode_request.daq_list_prio == 0x00

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_start_stop_daq_list

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / StartStopDaqList(b'\x02\x00\x00')
assert cto_request.pid == 0xde
assert bytes(cto_request) == b'\xde\x02\x00\x00'
assert cto_request['StartStopDaqList'].mode == 0x02
assert cto_request['StartStopDaqList'].daq_list_number == 0x0000

cto_response = CTOResponse(b'\xFF\xbb')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

assert cto_response['StartStopDAQListPositiveResponse'].first_pid == 0xbb

= test_get_daq_clock

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / GetDaqClock()
assert cto_request.pid == 0xdc
assert bytes(cto_request) == b'\xdc'

cto_response = CTOResponse(b'\xFF\xFF\xFF\xFF\xAA\xC5\x00\x00')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

get_daq_clock_response = cto_response["DAQClockListPositiveResponse"]

assert get_daq_clock_response.receive_timestamp == 0x0000C5AA

= Test negative response

cto_request = CTORequest() / GetCommModeInfo()
cto_response = CTOResponse() / NegativeResponse()
assert cto_response.packet_code == 0xFE
assert cto_response.answers(cto_request)

= test_start_stop_synch

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / StartStopSynch(b'\x01')
assert cto_request.pid == 0xdd
assert bytes(cto_request) == b'\xdd\x01'
assert cto_request['StartStopSynch'].mode == 0x01

cto_response = CTOResponse(b'\xFF')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_program_start

conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / ProgramStart()
assert cto_request.pid == 0xd2
assert bytes(cto_request) == b'\xd2'

cto_response = CTOResponse(b'\xFF\xff\x01\x08\x2A\xFF\xdd')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

program_start_response = cto_response['ProgramStartPositiveResponse']

assert program_start_response.comm_mode_pgm == 0x01
assert "master_block_mode" in program_start_response.comm_mode_pgm
assert "interleaved_mode" not in program_start_response.comm_mode_pgm
assert "x2" not in program_start_response.comm_mode_pgm
assert "x3" not in program_start_response.comm_mode_pgm
assert "x4" not in program_start_response.comm_mode_pgm
assert "x5" not in program_start_response.comm_mode_pgm
assert "slave_block_mode" not in program_start_response.comm_mode_pgm
assert "x7" not in program_start_response.comm_mode_pgm

assert program_start_response.max_cto_pgm == 0x08
assert program_start_response.max_bs_pgm == 0x2a
assert program_start_response.min_bs_pgm == 0xff
assert program_start_response.queue_size_pgm == 0xdd

= test_program_clear(self):
conf.contribs['XCP']['byte_order'] = 0

cto_request = CTORequest() / ProgramClear(b'\x00\xff\xff\x00\x01\x00\x00')
assert cto_request.pid == 0xd1
assert bytes(cto_request) == b'\xd1\x00\xff\xff\x00\x01\x00\x00'

assert cto_request['ProgramClear'].mode == 0x00
assert cto_request['ProgramClear'].clear_range == 0x00000100

cto_response = CTOResponse(b'\xff')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)

= test_program

conf.contribs['XCP']['byte_order'] = 0
conf.contribs['XCP']['MAX_CTO'] = 8
conf.contribs['XCP']['Address_Granularity_Byte'] = 1

cto_request = CTORequest() / Program(b'\x06\x00\x01\x02\x03\x04\x05')
assert cto_request.pid == 0xd0
assert bytes(cto_request) == b'\xd0\x06\x00\x01\x02\x03\x04\x05'

assert cto_request['Program'].nr_of_data_elements == 0x06
assert cto_request['Program'].data_elements == b"\x00\x01\x02\x03\x04\x05"

cto_response = CTOResponse(b'\xff')
assert cto_response.packet_code == 0xFF
assert cto_response.answers(cto_request)


+ Tests for XCPonUDP

= CONNECT

cto_request = XCPOnUDP(ctr=0, sport=1, dport=1) / CTORequest() / Connect()

assert cto_request.length is None
assert cto_request.ctr == 0

assert cto_request.pid == 0xFF
assert cto_request.connection_mode == 0
assert bytes(cto_request).endswith(b'\x00\x02\x00\x00\xff\x00')
xcp_on_udp = XCPOnUDP(b'\x00\x01\x00\x01\x00\x0c\x00\x00\x00\x08\x00\x01\xff\x15\xC0\x08\x08\x00\x10\x10')
assert xcp_on_udp.length == 8
assert xcp_on_udp.ctr == 1

assert xcp_on_udp.answers(cto_request)
cto_response = xcp_on_udp["CTOResponse"]
assert cto_response.packet_code == 0xFF

connect_response = cto_response["ConnectPositiveResponse"]
assert connect_response.resource == 0x15
assert connect_response.comm_mode_basic == 0xC0
assert connect_response.max_cto == 8
assert connect_response.max_cto == 8

assert connect_response.xcp_protocol_layer_version_number_msb == 0x10
assert connect_response.xcp_transport_layer_version_number_msb == 0x10

assert conf.contribs['XCP']['byte_order'] == 0
assert conf.contribs['XCP']['MAX_CTO'] == 8
assert conf.contribs['XCP']['MAX_DTO'] == 8
assert conf.contribs['XCP']['Address_Granularity_Byte'] == 1

= CONNECT 2

prt1, prt2 = 12345, 54321
xcp_on_udp_request = XCPOnUDP(sport=prt1, dport=prt2, ctr=0) / CTORequest() / Connect()

assert xcp_on_udp_request.length is None
assert xcp_on_udp_request.ctr == 0
assert xcp_on_udp_request.pid == 0xFF
assert xcp_on_udp_request.connection_mode == 0
assert bytes(xcp_on_udp_request).endswith(b'\x00\x02\x00\x00\xff\x00')

xcp_on_udp_response = XCPOnUDP(b'\xd4109\x00\x0c\x00\x00\x00\x08\x00\x01\xff\x15\xC0\x08\x08\x00\x10\x10')
assert xcp_on_udp_response.length == 8
assert xcp_on_udp_response.ctr == 1
assert xcp_on_udp_response.answers(xcp_on_udp_request)

cto_response = xcp_on_udp_response["CTOResponse"]
assert cto_response.packet_code == 0xFF

connect_response = cto_response["ConnectPositiveResponse"]
assert connect_response.resource == 0x15
assert connect_response.comm_mode_basic == 0xC0
assert connect_response.max_cto == 8
assert connect_response.max_cto == 8
assert connect_response.xcp_protocol_layer_version_number_msb == 0x10
assert connect_response.xcp_transport_layer_version_number_msb == 0x10
assert conf.contribs['XCP']['byte_order'] == 0
assert conf.contribs['XCP']['MAX_CTO'] == 8
assert conf.contribs['XCP']['MAX_DTO'] == 8
assert conf.contribs['XCP']['Address_Granularity_Byte'] == 1

= XCPOnUDP post build length

xcp_on_udp_request = XCPOnUDP(sport=1, dport=2, ctr=0) / CTORequest() / Connect()
assert bytes(xcp_on_udp_request)[8:10] == b'\x00\x02'

+ Tests XCPonTCP

= CONNECT

prt1, prt2 = 12345, 54321

xcp_on_tcp_request = XCPOnTCP(sport=prt1, dport=prt2, ctr=0) / CTORequest() / Connect()
assert xcp_on_tcp_request.length is None
assert xcp_on_tcp_request.ctr == 0
assert xcp_on_tcp_request.pid == 0xFF
assert xcp_on_tcp_request.connection_mode == 0
assert bytes(xcp_on_tcp_request).endswith(b'\x00\x02\x00\x00\xff\x00')

xcp_on_tcp_response = XCPOnTCP(b'\xd4109\x00\x00\x00\x00\x00\x00\x00\x00P\x12 \x00\x00\x00\x00\x00\x00\x08\x00\x01\xff\x15\xC0\x08\x08\x00\x10\x10')
assert xcp_on_tcp_response.length == 8
assert xcp_on_tcp_response.ctr == 1
assert xcp_on_tcp_response.answers(xcp_on_tcp_request)

cto_response = xcp_on_tcp_response["CTOResponse"]
assert cto_response.packet_code == 0xFF

connect_response = cto_response["ConnectPositiveResponse"]
assert connect_response.resource == 0x15
assert connect_response.comm_mode_basic == 0xC0
assert connect_response.max_cto == 8
assert connect_response.max_cto == 8
assert connect_response.xcp_protocol_layer_version_number_msb == 0x10
assert connect_response.xcp_transport_layer_version_number_msb == 0x10
assert conf.contribs['XCP']['byte_order'] == 0
assert conf.contribs['XCP']['MAX_CTO'] == 8
assert conf.contribs['XCP']['MAX_DTO'] == 8
assert conf.contribs['XCP']['Address_Granularity_Byte'] == 1


= XCPOnTCP post build length

xcp_on_tcp_request = XCPOnTCP(sport=prt1, dport=prt2, ctr=0) / CTORequest() / Connect()
assert bytes(xcp_on_tcp_request)[20:22] == b'\x00\x02'