python-can/test/test_interface_ixxat_fd.py at develop · feuerball/python-can · GitHub

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#!/usr/bin/env python

"""

Unittest for ixxat interface using fd option.

Run only this test:

python setup.py test --addopts "--verbose -s test/test_interface_ixxat_fd.py"

"""

import unittest

import can

class SoftwareTestCase(unittest.TestCase):

"""

Test cases that test the software only and do not rely on an existing/connected hardware.

"""

def setUp(self):

try:

bus = can.Bus(interface="ixxat", fd=True, channel=0)

bus.shutdown()

except can.CanInterfaceNotImplementedError:

raise unittest.SkipTest("not available on this platform")

def test_bus_creation(self):

# channel must be >= 0

with self.assertRaises(ValueError):

can.Bus(interface="ixxat", fd=True, channel=-1)

# rx_fifo_size must be > 0

with self.assertRaises(ValueError):

can.Bus(interface="ixxat", fd=True, channel=0, rx_fifo_size=0)

# tx_fifo_size must be > 0

with self.assertRaises(ValueError):

can.Bus(interface="ixxat", fd=True, channel=0, tx_fifo_size=0)

class HardwareTestCase(unittest.TestCase):

"""

Test cases that rely on an existing/connected hardware.

"""

def setUp(self):

try:

bus = can.Bus(interface="ixxat", fd=True, channel=0)

bus.shutdown()

except can.CanInterfaceNotImplementedError:

raise unittest.SkipTest("not available on this platform")

def test_bus_creation(self):

# non-existent channel -> use arbitrary high value

with self.assertRaises(can.CanInitializationError):

can.Bus(interface="ixxat", fd=True, channel=0xFFFF)

def test_send_after_shutdown(self):

with can.Bus(interface="ixxat", fd=True, channel=0) as bus:

with self.assertRaises(can.CanOperationError):

bus.send(can.Message(arbitration_id=0x3FF, dlc=0))

if __name__ == "__main__":

unittest.main()

python-can/test/test_interface_ixxat_fd.py at develop · feuerball/python-can · GitHub

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