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test_filehandler_kcd.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
test_filehandler_kcd
----------------------------------
Tests for `filehandler_kcd` module.
"""
import contextlib
import copy
import os
import sys
import unittest
assert sys.version_info >= (3, 3, 0), "Python version 3.3 or later required!"
from can4python import canframe_definition
from can4python import configuration
from can4python import exceptions
from can4python import filehandler_kcd
try:
from .test_configuration import FRAME_ID_SEND, TESTCONFIG1
except SystemError: # When running this file directly
from test_configuration import FRAME_ID_SEND, TESTCONFIG1
INPUT_FILENAME = "testfile_input.kcd"
INPUT_FILENAME_NO_BUSDEFINITION = "testfile_input_no_busdefinition.kcd"
class TestConfiguration(unittest.TestCase):
OUTPUT_FILENAME_1 = "test_out_1_TEMPORARY.kcd"
OUTPUT_FILENAME_2 = "test_out_2_TEMPORARY.kcd"
OUTPUT_FILENAME_3 = "test_out_3_TEMPORARY.kcd"
OUTPUT_FILENAME_10 = "test_out_10_TEMPORARY.kcd"
def setUp(self):
self.config = copy.deepcopy(TESTCONFIG1)
parent_directory = os.path.dirname(__file__)
self.input_filename = os.path.join(parent_directory, INPUT_FILENAME)
self.input_filename_no_busdefinition = os.path.join(parent_directory, INPUT_FILENAME_NO_BUSDEFINITION)
def tearDown(self):
for filename in [self.OUTPUT_FILENAME_1,
self.OUTPUT_FILENAME_2,
self.OUTPUT_FILENAME_3,
self.OUTPUT_FILENAME_10]:
with contextlib.suppress(FileNotFoundError):
os.remove(filename)
def testReadKcdFile(self):
config = filehandler_kcd.FilehandlerKcd.read(self.input_filename, "Mainbus")
self.assertEqual(config.busname, "Mainbus")
self.assertEqual(config.framedefinitions[1].frame_id, 1)
self.assertEqual(config.framedefinitions[1].name, 'testframedef1')
self.assertEqual(config.framedefinitions[1].dlc, 8)
self.assertEqual(config.framedefinitions[1].frame_format, 'standard')
self.assertEqual(config.framedefinitions[1].cycletime, None)
self.assertEqual(len(config.framedefinitions[1].signaldefinitions), 4)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].signalname, 'testsignal11')
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].startbit, 56)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].numberofbits, 1)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].scalingfactor, 1)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].valueoffset, 0)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].endianness, 'little')
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].signaltype, 'unsigned')
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].minvalue, None)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].maxvalue, None)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].defaultvalue, 0)
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].unit, "")
self.assertEqual(config.framedefinitions[1].signaldefinitions[0].comment, "")
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].signalname, 'testsignal12')
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].startbit, 8)
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].numberofbits, 16)
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].scalingfactor, 1)
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].valueoffset, 0)
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].endianness, 'little')
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].signaltype, 'unsigned')
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].minvalue, 0)
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].maxvalue, 100)
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].defaultvalue, 0)
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].unit, 'm/s')
self.assertEqual(config.framedefinitions[1].signaldefinitions[1].comment, "Test signal number 2")
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].signalname, 'testsignal13')
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].startbit, 24)
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].numberofbits, 16)
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].scalingfactor, 1)
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].valueoffset, 0)
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].endianness, 'little')
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].signaltype, 'unsigned')
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].minvalue, None)
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].maxvalue, None)
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].defaultvalue, 0)
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].unit, '')
self.assertEqual(config.framedefinitions[1].signaldefinitions[2].comment, "")
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].signalname, 'testsignal14')
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].startbit, 40)
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].numberofbits, 2)
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].scalingfactor, 2)
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].valueoffset, 20)
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].endianness, 'big')
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].signaltype, 'unsigned')
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].minvalue, 21)
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].maxvalue, 25)
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].defaultvalue, 20)
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].unit, 'm/s')
self.assertEqual(config.framedefinitions[1].signaldefinitions[3].comment, "Test signal number 4")
fr_def = config.framedefinitions[0x12345678]
self.assertEqual(fr_def.frame_id, 0x12345678)
self.assertEqual(fr_def.name, 'testframedef2')
self.assertEqual(fr_def.dlc, 4)
self.assertEqual(fr_def.frame_format, 'extended')
self.assertEqual(fr_def.cycletime, 50)
self.assertEqual(len(fr_def.signaldefinitions), 1)
self.assertEqual(fr_def.signaldefinitions[0].signalname, 'testsignal21')
self.assertEqual(fr_def.signaldefinitions[0].startbit, 5)
self.assertEqual(fr_def.signaldefinitions[0].numberofbits, 1)
self.assertEqual(fr_def.signaldefinitions[0].scalingfactor, 1)
self.assertEqual(fr_def.signaldefinitions[0].valueoffset, 0)
self.assertEqual(fr_def.signaldefinitions[0].endianness, 'little')
self.assertEqual(fr_def.signaldefinitions[0].signaltype, 'unsigned')
self.assertEqual(fr_def.signaldefinitions[0].minvalue, None)
self.assertEqual(fr_def.signaldefinitions[0].maxvalue, None)
self.assertEqual(fr_def.signaldefinitions[0].defaultvalue, 0)
self.assertEqual(fr_def.signaldefinitions[0].unit, "")
self.assertEqual(fr_def.signaldefinitions[0].comment, "")
def testReadKcdFileFaulty(self):
self.assertRaises(exceptions.CanException,
filehandler_kcd.FilehandlerKcd.read, self.input_filename_no_busdefinition, None)
def testReadKcdFileWrongBusname(self):
self.assertRaises(exceptions.CanException,
filehandler_kcd.FilehandlerKcd.read, self.input_filename, "ABC")
def testReadKcdFileNoBusnameGiven(self):
config = filehandler_kcd.FilehandlerKcd.read(self.input_filename, None)
self.assertEqual(config.busname, "Mainbus")
def testWriteKcdFile(self):
with contextlib.suppress(FileNotFoundError):
os.remove(self.OUTPUT_FILENAME_1)
filehandler_kcd.FilehandlerKcd.write(self.config, self.OUTPUT_FILENAME_1)
self.assertTrue(os.path.exists(self.OUTPUT_FILENAME_1))
# TODO: Verify result in more detail
def testSaveLoadedConfigurationToFile(self):
with contextlib.suppress(FileNotFoundError):
os.remove(self.OUTPUT_FILENAME_2)
config = filehandler_kcd.FilehandlerKcd.read(self.input_filename, None)
self.assertEqual(config.busname, "Mainbus")
filehandler_kcd.FilehandlerKcd.write(config, self.OUTPUT_FILENAME_2)
self.assertTrue(os.path.exists(self.OUTPUT_FILENAME_2))
# TODO: Check manually that the input and output files are similar
def testWriteKcdFileNoBusnameGiven(self):
with contextlib.suppress(FileNotFoundError):
os.remove(self.OUTPUT_FILENAME_3)
config = configuration.Configuration()
self.assertEqual(config.busname, None)
filehandler_kcd.FilehandlerKcd.write(config, self.OUTPUT_FILENAME_3)
with open(self.OUTPUT_FILENAME_3, 'r') as file:
self.assertTrue(any("Mainbus" in line for line in file.readlines()))
def testWriteKcdFileNoProducerGiven(self):
with contextlib.suppress(FileNotFoundError):
os.remove(self.OUTPUT_FILENAME_10)
config = configuration.Configuration()
fr_def = canframe_definition.CanFrameDefinition(1, 'testframedef10')
config.add_framedefinition(fr_def)
filehandler_kcd.FilehandlerKcd.write(config, self.OUTPUT_FILENAME_10)
if __name__ == '__main__':
unittest.main()