def test_generate_c_source_no_signal_encode_decode(self):
databases = [
'motohawk',
]
for database in databases:
argv = [
'cantools',
'generate_c_source',
'--no-floating-point-numbers',
'tests/files/dbc/{}.dbc'.format(database)
]
database_h = database + '.h'
database_c = database + '.c'
expected_database_h = database + '_no_floating_point_numbers.h'
expected_database_c = database + '_no_floating_point_numbers.c'
if os.path.exists(database_h):
os.remove(database_h)
if os.path.exists(database_c):
os.remove(database_c)
with patch('sys.argv', argv):
cantools._main()
if sys.version_info[0] > 2:
self.assert_files_equal(
database_h,
'tests/files/c_source/' + expected_database_h)
self.assert_files_equal(
database_c,
'tests/files/c_source/' + expected_database_c)
def test_generate_c_source_database_name(self):
databases = [
'motohawk',
]
for database in databases:
argv = [
'cantools',
'generate_c_source',
'--database-name', 'my_database_name',
'tests/files/dbc/{}.dbc'.format(database)
]
database_h = 'my_database_name.h'
database_c = 'my_database_name.c'
if os.path.exists(database_h):
os.remove(database_h)
if os.path.exists(database_c):
os.remove(database_c)
with patch('sys.argv', argv):
cantools._main()
if sys.version_info[0] > 2:
self.assert_files_equal(database_h,
'tests/files/c_source/' + database_h)
self.assert_files_equal(database_c,
'tests/files/c_source/' + database_c)
def test_generate_c_source_bit_fields(self):
databases = [
'motohawk',
'floating_point',
'signed'
]
for database in databases:
argv = [
'cantools',
'generate_c_source',
'--bit-fields',
'--database-name', '{}_bit_fields'.format(database),
'tests/files/dbc/{}.dbc'.format(database)
]
database_h = database + '_bit_fields.h'
database_c = database + '_bit_fields.c'
if os.path.exists(database_h):
os.remove(database_h)
if os.path.exists(database_c):
os.remove(database_c)
with patch('sys.argv', argv):
cantools._main()
if sys.version_info[0] > 2:
self.assert_files_equal(database_h,
'tests/files/c_source/' + database_h)
self.assert_files_equal(database_c,
'tests/files/c_source/' + database_c)
def test_generate_c_source(self):
databases = [
'motohawk',
'padding_bit_order',
'vehicle',
'floating_point',
'no_signals',
'choices',
'multiplex',
'multiplex_2',
'signed',
('CamelCaseEmpty', 'camel_case_empty'),
'abs'
]
for database in databases:
if isinstance(database, tuple):
database, basename = database
else:
basename = database
argv = [
'cantools',
'generate_c_source',
'tests/files/dbc/{}.dbc'.format(database)
]
database_h = basename + '.h'
database_c = basename + '.c'
fuzzer_c = basename + '_fuzzer.c'
fuzzer_mk = basename + '_fuzzer.mk'
if os.path.exists(database_h):
os.remove(database_h)
if os.path.exists(database_c):
os.remove(database_c)
if os.path.exists(fuzzer_c):
os.remove(fuzzer_c)
if os.path.exists(fuzzer_mk):
os.remove(fuzzer_mk)
with patch('sys.argv', argv):
cantools._main()
if sys.version_info[0] > 2:
self.assert_files_equal(database_h,
'tests/files/c_source/' + database_h)
self.assert_files_equal(database_c,
'tests/files/c_source/' + database_c)
self.assertFalse(os.path.exists(fuzzer_c))
self.assertFalse(os.path.exists(fuzzer_mk))
def test_convert_bad_outfile(self):
argv = [
'cantools',
'convert',
'tests/files/dbc/motohawk.dbc',
'test_command_line_convert.foo'
]
with patch('sys.argv', argv):
with self.assertRaises(SystemExit) as cm:
cantools._main()
self.assertEqual(
str(cm.exception),
"error: Unsupported output database format 'foo'.")
def test_decode(self):
argv = ['cantools', 'decode', 'tests/files/dbc/socialledge.dbc']
input_data = """\
vcan0 0C8 [8] F0 00 00 00 00 00 00 00
vcan0 064 [10] F0 01 FF FF FF FF FF FF FF FF
vcan0 ERROR
vcan0 1F4 [4] 01 02 03 04
vcan0 1F4 [3] 01 02 03
vcan0 1F3 [3] 01 02 03
"""
expected_output = """\
vcan0 0C8 [8] F0 00 00 00 00 00 00 00 ::
SENSOR_SONARS(
SENSOR_SONARS_mux: 0,
SENSOR_SONARS_err_count: 15,
SENSOR_SONARS_left: 0.0,
SENSOR_SONARS_middle: 0.0,
SENSOR_SONARS_right: 0.0,
SENSOR_SONARS_rear: 0.0
)
vcan0 064 [10] F0 01 FF FF FF FF FF FF FF FF ::
DRIVER_HEARTBEAT(
DRIVER_HEARTBEAT_cmd: 240
)
vcan0 ERROR
vcan0 1F4 [4] 01 02 03 04 ::
IO_DEBUG(
IO_DEBUG_test_unsigned: 1,
IO_DEBUG_test_enum: 'IO_DEBUG_test2_enum_two',
IO_DEBUG_test_signed: 3,
IO_DEBUG_test_float: 2.0
)
vcan0 1F4 [3] 01 02 03 :: unpack requires at least 32 bits to unpack (got 24)
vcan0 1F3 [3] 01 02 03 :: Unknown frame id 499 (0x1f3)
"""
stdout = StringIO()
with patch('sys.stdin', StringIO(input_data)):
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_generate_c_source_sym(self):
databases = [
('min-max-only-6.0', 'min_max_only_6_0'),
('letter-terminated-can-id-6.0', 'letter_terminated_can_id_6_0')
]
for database in databases:
if isinstance(database, tuple):
database, basename = database
else:
basename = database
argv = [
'cantools',
'generate_c_source',
'tests/files/sym/{}.sym'.format(database)
]
database_h = basename + '.h'
database_c = basename + '.c'
fuzzer_c = basename + '_fuzzer.c'
fuzzer_mk = basename + '_fuzzer.mk'
if os.path.exists(database_h):
os.remove(database_h)
if os.path.exists(database_c):
os.remove(database_c)
if os.path.exists(fuzzer_c):
os.remove(fuzzer_c)
if os.path.exists(fuzzer_mk):
os.remove(fuzzer_mk)
with patch('sys.argv', argv):
cantools._main()
if sys.version_info[0] > 2:
self.assert_files_equal(database_h,
'tests/files/c_source/' + database_h)
self.assert_files_equal(database_c,
'tests/files/c_source/' + database_c)
self.assertFalse(os.path.exists(fuzzer_c))
self.assertFalse(os.path.exists(fuzzer_mk))
def test_dump_no_sender(self):
argv = [
'cantools',
'dump',
'--no-strict',
'tests/files/dbc/no_sender.dbc'
]
expected_output = """\
================================= Messages =================================
------------------------------------------------------------------------
Name: Foo
Id: 0x40000000
Length: 0 bytes
Cycle time: - ms
Senders: -
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
B 0 |<-----------------------------x|
y +---+---+---+---+---+---+---+---+
t +-- signal_without_sender
e
Signal tree:
-- {root}
+-- signal_without_sender
------------------------------------------------------------------------
"""
stdout = StringIO()
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_generate_c_source_generate_fuzzer(self):
argv = [
'cantools',
'generate_c_source',
'--generate-fuzzer',
'tests/files/dbc/multiplex_2.dbc'
]
database_h = 'multiplex_2.h'
database_c = 'multiplex_2.c'
fuzzer_c = 'multiplex_2_fuzzer.c'
fuzzer_mk = 'multiplex_2_fuzzer.mk'
if os.path.exists(database_h):
os.remove(database_h)
if os.path.exists(database_c):
os.remove(database_c)
if os.path.exists(fuzzer_c):
os.remove(fuzzer_c)
if os.path.exists(fuzzer_mk):
os.remove(fuzzer_mk)
with patch('sys.argv', argv):
cantools._main()
if sys.version_info[0] > 2:
self.assert_files_equal(database_h,
'tests/files/c_source/' + database_h)
self.assert_files_equal(database_c,
'tests/files/c_source/' + database_c)
self.assert_files_equal(fuzzer_c,
'tests/files/c_source/' + fuzzer_c)
self.assert_files_equal(fuzzer_mk,
'tests/files/c_source/' + fuzzer_mk)
def test_convert(self):
# DBC to KCD.
argv = [
'cantools',
'convert',
'tests/files/dbc/motohawk.dbc',
'test_command_line_convert.kcd'
]
if os.path.exists('test_command_line_convert.kcd'):
os.remove('test_command_line_convert.kcd')
with patch('sys.argv', argv):
cantools._main()
db = cantools.database.Database()
db.add_kcd_file('test_command_line_convert.kcd')
self.assertEqual(db.version, '1.0')
# KCD to DBC.
argv = [
'cantools',
'convert',
'test_command_line_convert.kcd',
'test_command_line_convert.dbc'
]
if os.path.exists('test_command_line_convert.dbc'):
os.remove('test_command_line_convert.dbc')
with patch('sys.argv', argv):
cantools._main()
db = cantools.database.Database()
db.add_dbc_file('test_command_line_convert.dbc')
self.assertEqual(db.version, '1.0')
def test_dump(self):
argv = ['cantools', 'dump', 'tests/files/dbc/motohawk.dbc']
expected_output = """\
================================= Messages =================================
------------------------------------------------------------------------
Name: ExampleMessage
Id: 0x1f0
Length: 8 bytes
Cycle time: - ms
Senders: PCM1
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 |<-x|<---------------------x|<--|
+---+---+---+---+---+---+---+---+
| +-- AverageRadius
+-- Enable
+---+---+---+---+---+---+---+---+
1 |-------------------------------|
+---+---+---+---+---+---+---+---+
2 |----------x| | | | | |
B +---+---+---+---+---+---+---+---+
y +-- Temperature
t +---+---+---+---+---+---+---+---+
e 3 | | | | | | | | |
+---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- Enable
+-- AverageRadius
+-- Temperature
Signal choices:
Enable
0 Disabled
1 Enabled
------------------------------------------------------------------------
"""
stdout = StringIO()
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_decode_single_line_muxed_data(self):
argv = [
'cantools', 'decode', '--single-line',
'tests/files/dbc/msxii_system_can.dbc'
]
input_data = """\
vcan0 401 [6] 00 00 98 98 0B 00
vcan0 401 [6] 01 00 9C 98 0A 00
vcan0 401 [6] 02 00 B5 98 0A 00
vcan0 401 [6] 03 00 9D 98 0A 00
vcan0 401 [6] 04 00 CB 98 0B 00
vcan0 401 [6] 05 00 C5 98 0B 00
vcan0 401 [6] 06 00 35 9A EA 59
vcan0 401 [6] 07 00 B1 98 FA 59
vcan0 401 [6] 08 00 A5 98 0B 00
vcan0 401 [6] 09 00 73 99 0C 00
vcan0 401 [6] 0A 00 66 98 0B 00
vcan0 401 [6] 0B 00 65 96 0B 00
vcan0 401 [6] 0C 00 72 99 B3 5A
vcan0 401 [6] 0D 00 04 99 9D 5A
vcan0 401 [6] 0E 00 F8 9A C4 5A
vcan0 401 [6] 0F 00 3B 9C 89 5A
vcan0 401 [6] 10 00 8E 9A DE 5A
vcan0 401 [6] 11 00 E8 9B DE 5A
vcan0 401 [6] 12 00 D5 99 C9 59
vcan0 401 [6] 13 00 EE 99 0D 5A
vcan0 401 [6] 14 00 83 99 02 5A
vcan0 401 [6] 15 00 97 99 12 5A
vcan0 401 [6] 16 00 F6 99 0C 5A
vcan0 401 [6] 17 00 0E 9B C4 59
vcan0 401 [6] 18 00 68 9A 42 5A
vcan0 401 [6] 19 00 83 99 22 5A
vcan0 401 [6] 1A 00 85 99 3D 5A
vcan0 401 [6] 1B 00 EF 99 2F 5A
vcan0 401 [6] 1C 00 7E 99 50 5A
vcan0 401 [6] 1D 00 39 9A 21 5A
vcan0 401 [6] 1E 00 44 99 F9 59
vcan0 401 [6] 1F 00 60 99 1B 5A
vcan0 401 [6] 20 00 42 99 0A 5A
vcan0 401 [6] 21 00 C3 9A 33 5A
vcan0 401 [6] 22 00 3D 99 1A 5A
vcan0 401 [6] 23 00 59 99 5C 5A
"""
expected_output = """\
vcan0 401 [6] 00 00 98 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 0, MODULE_VOLTAGE_00: 39064, MODULE_TEMP_00: 11)
vcan0 401 [6] 01 00 9C 98 0A 00 :: BATTERY_VT(BATTERY_VT_INDEX: 1, MODULE_VOLTAGE_01: 39068, MODULE_TEMP_01: 10)
vcan0 401 [6] 02 00 B5 98 0A 00 :: BATTERY_VT(BATTERY_VT_INDEX: 2, MODULE_VOLTAGE_02: 39093, MODULE_TEMP_02: 10)
vcan0 401 [6] 03 00 9D 98 0A 00 :: BATTERY_VT(BATTERY_VT_INDEX: 3, MODULE_VOLTAGE_03: 39069, MODULE_TEMP_03: 10)
vcan0 401 [6] 04 00 CB 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 4, MODULE_VOLTAGE_04: 39115, MODULE_TEMP_04: 11)
vcan0 401 [6] 05 00 C5 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 5, MODULE_VOLTAGE_05: 39109, MODULE_TEMP_05: 11)
vcan0 401 [6] 06 00 35 9A EA 59 :: BATTERY_VT(BATTERY_VT_INDEX: 6, MODULE_VOLTAGE_06: 39477, MODULE_TEMP_06: 23018)
vcan0 401 [6] 07 00 B1 98 FA 59 :: BATTERY_VT(BATTERY_VT_INDEX: 7, MODULE_VOLTAGE_07: 39089, MODULE_TEMP_07: 23034)
vcan0 401 [6] 08 00 A5 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 8, MODULE_VOLTAGE_08: 39077, MODULE_TEMP_08: 11)
vcan0 401 [6] 09 00 73 99 0C 00 :: BATTERY_VT(BATTERY_VT_INDEX: 9, MODULE_VOLTAGE_09: 39283, MODULE_TEMP_09: 12)
vcan0 401 [6] 0A 00 66 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 10, MODULE_VOLTAGE_10: 39014, MODULE_TEMP_10: 11)
vcan0 401 [6] 0B 00 65 96 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 11, MODULE_VOLTAGE_11: 38501, MODULE_TEMP_11: 11)
vcan0 401 [6] 0C 00 72 99 B3 5A :: BATTERY_VT(BATTERY_VT_INDEX: 12, MODULE_VOLTAGE_12: 39282, MODULE_TEMP_12: 23219)
vcan0 401 [6] 0D 00 04 99 9D 5A :: BATTERY_VT(BATTERY_VT_INDEX: 13, MODULE_VOLTAGE_13: 39172, MODULE_TEMP_13: 23197)
vcan0 401 [6] 0E 00 F8 9A C4 5A :: BATTERY_VT(BATTERY_VT_INDEX: 14, MODULE_VOLTAGE_14: 39672, MODULE_TEMP_14: 23236)
vcan0 401 [6] 0F 00 3B 9C 89 5A :: BATTERY_VT(BATTERY_VT_INDEX: 15, MODULE_VOLTAGE_15: 39995, MODULE_TEMP_15: 23177)
vcan0 401 [6] 10 00 8E 9A DE 5A :: BATTERY_VT(BATTERY_VT_INDEX: 16, MODULE_VOLTAGE_16: 39566, MODULE_TEMP_16: 23262)
vcan0 401 [6] 11 00 E8 9B DE 5A :: BATTERY_VT(BATTERY_VT_INDEX: 17, MODULE_VOLTAGE_17: 39912, MODULE_TEMP_17: 23262)
vcan0 401 [6] 12 00 D5 99 C9 59 :: BATTERY_VT(BATTERY_VT_INDEX: 18, MODULE_VOLTAGE_18: 39381, MODULE_TEMP_18: 22985)
vcan0 401 [6] 13 00 EE 99 0D 5A :: BATTERY_VT(BATTERY_VT_INDEX: 19, MODULE_VOLTAGE_19: 39406, MODULE_TEMP_19: 23053)
vcan0 401 [6] 14 00 83 99 02 5A :: BATTERY_VT(BATTERY_VT_INDEX: 20, MODULE_VOLTAGE_20: 39299, MODULE_TEMP_20: 23042)
vcan0 401 [6] 15 00 97 99 12 5A :: BATTERY_VT(BATTERY_VT_INDEX: 21, MODULE_VOLTAGE_21: 39319, MODULE_TEMP_21: 23058)
vcan0 401 [6] 16 00 F6 99 0C 5A :: BATTERY_VT(BATTERY_VT_INDEX: 22, MODULE_VOLTAGE_22: 39414, MODULE_TEMP_22: 23052)
vcan0 401 [6] 17 00 0E 9B C4 59 :: BATTERY_VT(BATTERY_VT_INDEX: 23, MODULE_VOLTAGE_23: 39694, MODULE_TEMP_23: 22980)
vcan0 401 [6] 18 00 68 9A 42 5A :: BATTERY_VT(BATTERY_VT_INDEX: 24, MODULE_VOLTAGE_24: 39528, MODULE_TEMP_24: 23106)
vcan0 401 [6] 19 00 83 99 22 5A :: BATTERY_VT(BATTERY_VT_INDEX: 25, MODULE_VOLTAGE_25: 39299, MODULE_TEMP_25: 23074)
vcan0 401 [6] 1A 00 85 99 3D 5A :: BATTERY_VT(BATTERY_VT_INDEX: 26, MODULE_VOLTAGE_26: 39301, MODULE_TEMP_26: 23101)
vcan0 401 [6] 1B 00 EF 99 2F 5A :: BATTERY_VT(BATTERY_VT_INDEX: 27, MODULE_VOLTAGE_27: 39407, MODULE_TEMP_27: 23087)
vcan0 401 [6] 1C 00 7E 99 50 5A :: BATTERY_VT(BATTERY_VT_INDEX: 28, MODULE_VOLTAGE_28: 39294, MODULE_TEMP_28: 23120)
vcan0 401 [6] 1D 00 39 9A 21 5A :: BATTERY_VT(BATTERY_VT_INDEX: 29, MODULE_VOLTAGE_29: 39481, MODULE_TEMP_29: 23073)
vcan0 401 [6] 1E 00 44 99 F9 59 :: BATTERY_VT(BATTERY_VT_INDEX: 30, MODULE_VOLTAGE_30: 39236, MODULE_TEMP_30: 23033)
vcan0 401 [6] 1F 00 60 99 1B 5A :: BATTERY_VT(BATTERY_VT_INDEX: 31, MODULE_VOLTAGE_31: 39264, MODULE_TEMP_31: 23067)
vcan0 401 [6] 20 00 42 99 0A 5A :: BATTERY_VT(BATTERY_VT_INDEX: 32, MODULE_VOLTAGE_32: 39234, MODULE_TEMP_32: 23050)
vcan0 401 [6] 21 00 C3 9A 33 5A :: BATTERY_VT(BATTERY_VT_INDEX: 33, MODULE_VOLTAGE_33: 39619, MODULE_TEMP_33: 23091)
vcan0 401 [6] 22 00 3D 99 1A 5A :: BATTERY_VT(BATTERY_VT_INDEX: 34, MODULE_VOLTAGE_34: 39229, MODULE_TEMP_34: 23066)
vcan0 401 [6] 23 00 59 99 5C 5A :: BATTERY_VT(BATTERY_VT_INDEX: 35, MODULE_VOLTAGE_35: 39257, MODULE_TEMP_35: 23132)
"""
stdout = StringIO()
with patch('sys.stdin', StringIO(input_data)):
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_dump_j1939(self):
argv = ['cantools', 'dump', 'tests/files/dbc/j1939.dbc']
expected_output = """\
================================= Messages =================================
------------------------------------------------------------------------
Name: Message1
Id: 0x15340201
Priority: 5
PGN: 0x13400
Source: 0x01
Destination: 0x02
Format: PDU 1
Length: 8 bytes
Cycle time: 0 ms
Senders: Node1
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 |<-----------------------------x|
+---+---+---+---+---+---+---+---+
+-- Signal1
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
B 2 | | | | | | | | |
y +---+---+---+---+---+---+---+---+
t 3 | | | | | | | | |
e +---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- Signal1
------------------------------------------------------------------------
Name: Message2
Id: 0x15f01002
Priority: 5
PGN: 0x1f010
Source: 0x02
Destination: All
Format: PDU 2
Length: 8 bytes
Cycle time: 0 ms
Senders: Node2
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 |<-----------------------------x|
+---+---+---+---+---+---+---+---+
+-- Signal2
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
B 2 | | | | | | | | |
y +---+---+---+---+---+---+---+---+
t 3 | | | | | | | | |
e +---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- Signal2
------------------------------------------------------------------------
"""
stdout = StringIO()
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_dump_signal_choices(self):
argv = ['cantools', 'dump', 'tests/files/dump_signal_choices.dbc']
expected_output = """\
================================= Messages =================================
------------------------------------------------------------------------
Name: Message0
Id: 0x400
Length: 8 bytes
Cycle time: - ms
Senders: Node0
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 | | | |<---------x|<-----x|
+---+---+---+---+---+---+---+---+
| +-- FooSignal
+-- BarSignal
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
B 2 | | | | | | | | |
y +---+---+---+---+---+---+---+---+
t 3 | | | | | | | | |
e +---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- FooSignal
+-- BarSignal
Signal choices:
FooSignal
0 FOO_A
1 FOO_B
2 FOO_C
3 FOO_D
BarSignal
0 BAR_A
1 BAR_B
2 BAR_C
3 BAR_D
4 BAR_E
5 BAR_F
6 BAR_G
7 BAR_H
------------------------------------------------------------------------
"""
stdout = StringIO()
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_decode_single_line_muxed_data(self):
argv = [
'cantools',
'decode',
'--single-line',
'tests/files/dbc/msxii_system_can.dbc'
]
input_data = """\
vcan0 401 [6] 00 00 98 98 0B 00
vcan0 401 [6] 01 00 9C 98 0A 00
vcan0 401 [6] 02 00 B5 98 0A 00
vcan0 401 [6] 03 00 9D 98 0A 00
vcan0 401 [6] 04 00 CB 98 0B 00
vcan0 401 [6] 05 00 C5 98 0B 00
vcan0 401 [6] 06 00 35 9A EA 59
vcan0 401 [6] 07 00 B1 98 FA 59
vcan0 401 [6] 08 00 A5 98 0B 00
vcan0 401 [6] 09 00 73 99 0C 00
vcan0 401 [6] 0A 00 66 98 0B 00
vcan0 401 [6] 0B 00 65 96 0B 00
vcan0 401 [6] 0C 00 72 99 B3 5A
vcan0 401 [6] 0D 00 04 99 9D 5A
vcan0 401 [6] 0E 00 F8 9A C4 5A
vcan0 401 [6] 0F 00 3B 9C 89 5A
vcan0 401 [6] 10 00 8E 9A DE 5A
vcan0 401 [6] 11 00 E8 9B DE 5A
vcan0 401 [6] 12 00 D5 99 C9 59
vcan0 401 [6] 13 00 EE 99 0D 5A
vcan0 401 [6] 14 00 83 99 02 5A
vcan0 401 [6] 15 00 97 99 12 5A
vcan0 401 [6] 16 00 F6 99 0C 5A
vcan0 401 [6] 17 00 0E 9B C4 59
vcan0 401 [6] 18 00 68 9A 42 5A
vcan0 401 [6] 19 00 83 99 22 5A
vcan0 401 [6] 1A 00 85 99 3D 5A
vcan0 401 [6] 1B 00 EF 99 2F 5A
vcan0 401 [6] 1C 00 7E 99 50 5A
vcan0 401 [6] 1D 00 39 9A 21 5A
vcan0 401 [6] 1E 00 44 99 F9 59
vcan0 401 [6] 1F 00 60 99 1B 5A
vcan0 401 [6] 20 00 42 99 0A 5A
vcan0 401 [6] 21 00 C3 9A 33 5A
vcan0 401 [6] 22 00 3D 99 1A 5A
vcan0 401 [6] 23 00 59 99 5C 5A
"""
expected_output = """\
vcan0 401 [6] 00 00 98 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 0, MODULE_VOLTAGE_00: 39064, MODULE_TEMP_00: 11)
vcan0 401 [6] 01 00 9C 98 0A 00 :: BATTERY_VT(BATTERY_VT_INDEX: 1, MODULE_VOLTAGE_01: 39068, MODULE_TEMP_01: 10)
vcan0 401 [6] 02 00 B5 98 0A 00 :: BATTERY_VT(BATTERY_VT_INDEX: 2, MODULE_VOLTAGE_02: 39093, MODULE_TEMP_02: 10)
vcan0 401 [6] 03 00 9D 98 0A 00 :: BATTERY_VT(BATTERY_VT_INDEX: 3, MODULE_VOLTAGE_03: 39069, MODULE_TEMP_03: 10)
vcan0 401 [6] 04 00 CB 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 4, MODULE_VOLTAGE_04: 39115, MODULE_TEMP_04: 11)
vcan0 401 [6] 05 00 C5 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 5, MODULE_VOLTAGE_05: 39109, MODULE_TEMP_05: 11)
vcan0 401 [6] 06 00 35 9A EA 59 :: BATTERY_VT(BATTERY_VT_INDEX: 6, MODULE_VOLTAGE_06: 39477, MODULE_TEMP_06: 23018)
vcan0 401 [6] 07 00 B1 98 FA 59 :: BATTERY_VT(BATTERY_VT_INDEX: 7, MODULE_VOLTAGE_07: 39089, MODULE_TEMP_07: 23034)
vcan0 401 [6] 08 00 A5 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 8, MODULE_VOLTAGE_08: 39077, MODULE_TEMP_08: 11)
vcan0 401 [6] 09 00 73 99 0C 00 :: BATTERY_VT(BATTERY_VT_INDEX: 9, MODULE_VOLTAGE_09: 39283, MODULE_TEMP_09: 12)
vcan0 401 [6] 0A 00 66 98 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 10, MODULE_VOLTAGE_10: 39014, MODULE_TEMP_10: 11)
vcan0 401 [6] 0B 00 65 96 0B 00 :: BATTERY_VT(BATTERY_VT_INDEX: 11, MODULE_VOLTAGE_11: 38501, MODULE_TEMP_11: 11)
vcan0 401 [6] 0C 00 72 99 B3 5A :: BATTERY_VT(BATTERY_VT_INDEX: 12, MODULE_VOLTAGE_12: 39282, MODULE_TEMP_12: 23219)
vcan0 401 [6] 0D 00 04 99 9D 5A :: BATTERY_VT(BATTERY_VT_INDEX: 13, MODULE_VOLTAGE_13: 39172, MODULE_TEMP_13: 23197)
vcan0 401 [6] 0E 00 F8 9A C4 5A :: BATTERY_VT(BATTERY_VT_INDEX: 14, MODULE_VOLTAGE_14: 39672, MODULE_TEMP_14: 23236)
vcan0 401 [6] 0F 00 3B 9C 89 5A :: BATTERY_VT(BATTERY_VT_INDEX: 15, MODULE_VOLTAGE_15: 39995, MODULE_TEMP_15: 23177)
vcan0 401 [6] 10 00 8E 9A DE 5A :: BATTERY_VT(BATTERY_VT_INDEX: 16, MODULE_VOLTAGE_16: 39566, MODULE_TEMP_16: 23262)
vcan0 401 [6] 11 00 E8 9B DE 5A :: BATTERY_VT(BATTERY_VT_INDEX: 17, MODULE_VOLTAGE_17: 39912, MODULE_TEMP_17: 23262)
vcan0 401 [6] 12 00 D5 99 C9 59 :: BATTERY_VT(BATTERY_VT_INDEX: 18, MODULE_VOLTAGE_18: 39381, MODULE_TEMP_18: 22985)
vcan0 401 [6] 13 00 EE 99 0D 5A :: BATTERY_VT(BATTERY_VT_INDEX: 19, MODULE_VOLTAGE_19: 39406, MODULE_TEMP_19: 23053)
vcan0 401 [6] 14 00 83 99 02 5A :: BATTERY_VT(BATTERY_VT_INDEX: 20, MODULE_VOLTAGE_20: 39299, MODULE_TEMP_20: 23042)
vcan0 401 [6] 15 00 97 99 12 5A :: BATTERY_VT(BATTERY_VT_INDEX: 21, MODULE_VOLTAGE_21: 39319, MODULE_TEMP_21: 23058)
vcan0 401 [6] 16 00 F6 99 0C 5A :: BATTERY_VT(BATTERY_VT_INDEX: 22, MODULE_VOLTAGE_22: 39414, MODULE_TEMP_22: 23052)
vcan0 401 [6] 17 00 0E 9B C4 59 :: BATTERY_VT(BATTERY_VT_INDEX: 23, MODULE_VOLTAGE_23: 39694, MODULE_TEMP_23: 22980)
vcan0 401 [6] 18 00 68 9A 42 5A :: BATTERY_VT(BATTERY_VT_INDEX: 24, MODULE_VOLTAGE_24: 39528, MODULE_TEMP_24: 23106)
vcan0 401 [6] 19 00 83 99 22 5A :: BATTERY_VT(BATTERY_VT_INDEX: 25, MODULE_VOLTAGE_25: 39299, MODULE_TEMP_25: 23074)
vcan0 401 [6] 1A 00 85 99 3D 5A :: BATTERY_VT(BATTERY_VT_INDEX: 26, MODULE_VOLTAGE_26: 39301, MODULE_TEMP_26: 23101)
vcan0 401 [6] 1B 00 EF 99 2F 5A :: BATTERY_VT(BATTERY_VT_INDEX: 27, MODULE_VOLTAGE_27: 39407, MODULE_TEMP_27: 23087)
vcan0 401 [6] 1C 00 7E 99 50 5A :: BATTERY_VT(BATTERY_VT_INDEX: 28, MODULE_VOLTAGE_28: 39294, MODULE_TEMP_28: 23120)
vcan0 401 [6] 1D 00 39 9A 21 5A :: BATTERY_VT(BATTERY_VT_INDEX: 29, MODULE_VOLTAGE_29: 39481, MODULE_TEMP_29: 23073)
vcan0 401 [6] 1E 00 44 99 F9 59 :: BATTERY_VT(BATTERY_VT_INDEX: 30, MODULE_VOLTAGE_30: 39236, MODULE_TEMP_30: 23033)
vcan0 401 [6] 1F 00 60 99 1B 5A :: BATTERY_VT(BATTERY_VT_INDEX: 31, MODULE_VOLTAGE_31: 39264, MODULE_TEMP_31: 23067)
vcan0 401 [6] 20 00 42 99 0A 5A :: BATTERY_VT(BATTERY_VT_INDEX: 32, MODULE_VOLTAGE_32: 39234, MODULE_TEMP_32: 23050)
vcan0 401 [6] 21 00 C3 9A 33 5A :: BATTERY_VT(BATTERY_VT_INDEX: 33, MODULE_VOLTAGE_33: 39619, MODULE_TEMP_33: 23091)
vcan0 401 [6] 22 00 3D 99 1A 5A :: BATTERY_VT(BATTERY_VT_INDEX: 34, MODULE_VOLTAGE_34: 39229, MODULE_TEMP_34: 23066)
vcan0 401 [6] 23 00 59 99 5C 5A :: BATTERY_VT(BATTERY_VT_INDEX: 35, MODULE_VOLTAGE_35: 39257, MODULE_TEMP_35: 23132)
"""
stdout = StringIO()
with patch('sys.stdin', StringIO(input_data)):
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_dump(self):
argv = [
'cantools',
'dump',
'tests/files/dbc/motohawk.dbc'
]
expected_output = """\
================================= Messages =================================
------------------------------------------------------------------------
Name: ExampleMessage
Id: 0x1f0
Length: 8 bytes
Cycle time: - ms
Senders: PCM1
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 |<-x|<---------------------x|<--|
+---+---+---+---+---+---+---+---+
| +-- AverageRadius
+-- Enable
+---+---+---+---+---+---+---+---+
1 |-------------------------------|
+---+---+---+---+---+---+---+---+
2 |----------x| | | | | |
B +---+---+---+---+---+---+---+---+
y +-- Temperature
t +---+---+---+---+---+---+---+---+
e 3 | | | | | | | | |
+---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- Enable
+-- AverageRadius
+-- Temperature
Signal choices:
Enable
0 Disabled
1 Enabled
------------------------------------------------------------------------
"""
stdout = StringIO()
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_dump_signal_choices(self):
argv = [
'cantools',
'dump',
'tests/files/dbc/dump_signal_choices.dbc'
]
expected_output = """\
================================= Messages =================================
------------------------------------------------------------------------
Name: Message0
Id: 0x400
Length: 8 bytes
Cycle time: - ms
Senders: Node0
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 | | | |<---------x|<-----x|
+---+---+---+---+---+---+---+---+
| +-- FooSignal
+-- BarSignal
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
B 2 | | | | | | | | |
y +---+---+---+---+---+---+---+---+
t 3 | | | | | | | | |
e +---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- FooSignal
+-- BarSignal
Signal choices:
FooSignal
0 FOO_A
1 FOO_B
2 FOO_C
3 FOO_D
BarSignal
0 BAR_A
1 BAR_B
2 BAR_C
3 BAR_D
4 BAR_E
5 BAR_F
6 BAR_G
7 BAR_H
------------------------------------------------------------------------
"""
stdout = StringIO()
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
def test_dump_j1939(self):
argv = [
'cantools',
'dump',
'tests/files/dbc/j1939.dbc'
]
expected_output = """\
================================= Messages =================================
------------------------------------------------------------------------
Name: Message1
Id: 0x15340201
Priority: 5
PGN: 0x13400
Source: 0x01
Destination: 0x02
Format: PDU 1
Length: 8 bytes
Cycle time: 0 ms
Senders: Node1
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 |<-----------------------------x|
+---+---+---+---+---+---+---+---+
+-- Signal1
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
B 2 | | | | | | | | |
y +---+---+---+---+---+---+---+---+
t 3 | | | | | | | | |
e +---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- Signal1
------------------------------------------------------------------------
Name: Message2
Id: 0x15f01002
Priority: 5
PGN: 0x1f010
Source: 0x02
Destination: All
Format: PDU 2
Length: 8 bytes
Cycle time: 0 ms
Senders: Node2
Layout:
Bit
7 6 5 4 3 2 1 0
+---+---+---+---+---+---+---+---+
0 |<-----------------------------x|
+---+---+---+---+---+---+---+---+
+-- Signal2
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
B 2 | | | | | | | | |
y +---+---+---+---+---+---+---+---+
t 3 | | | | | | | | |
e +---+---+---+---+---+---+---+---+
4 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
7 | | | | | | | | |
+---+---+---+---+---+---+---+---+
Signal tree:
-- {root}
+-- Signal2
------------------------------------------------------------------------
"""
stdout = StringIO()
with patch('sys.stdout', stdout):
with patch('sys.argv', argv):
cantools._main()
actual_output = stdout.getvalue()
self.assertEqual(actual_output, expected_output)
