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import argparse
import unittest
from unittest.mock import patch
from can.cli import add_bus_arguments, create_bus_from_namespace
class TestCliUtils(unittest.TestCase):
def test_add_bus_arguments(self):
parser = argparse.ArgumentParser()
add_bus_arguments(parser, filter_arg=True, prefix="test")
parsed_args = parser.parse_args(
[
"--test-channel",
"0",
"--test-interface",
"vector",
"--test-timing",
"f_clock=8000000",
"brp=4",
"tseg1=11",
"tseg2=4",
"sjw=2",
"nof_samples=3",
"--test-filter",
"100:7FF",
"200~7F0",
"--test-bus-kwargs",
"app_name=MyApp",
"serial=1234",
]
)
self.assertNotIn("channel", parsed_args)
self.assertNotIn("test_bitrate", parsed_args)
self.assertNotIn("test_data_bitrate", parsed_args)
self.assertNotIn("test_fd", parsed_args)
self.assertEqual(parsed_args.test_channel, "0")
self.assertEqual(parsed_args.test_interface, "vector")
self.assertEqual(parsed_args.test_timing.f_clock, 8000000)
self.assertEqual(parsed_args.test_timing.brp, 4)
self.assertEqual(parsed_args.test_timing.tseg1, 11)
self.assertEqual(parsed_args.test_timing.tseg2, 4)
self.assertEqual(parsed_args.test_timing.sjw, 2)
self.assertEqual(parsed_args.test_timing.nof_samples, 3)
self.assertEqual(len(parsed_args.test_can_filters), 2)
self.assertEqual(parsed_args.test_can_filters[0]["can_id"], 0x100)
self.assertEqual(parsed_args.test_can_filters[0]["can_mask"], 0x7FF)
self.assertEqual(parsed_args.test_can_filters[1]["can_id"], 0x200 | 0x20000000)
self.assertEqual(
parsed_args.test_can_filters[1]["can_mask"], 0x7F0 & 0x20000000
)
self.assertEqual(parsed_args.test_bus_kwargs["app_name"], "MyApp")
self.assertEqual(parsed_args.test_bus_kwargs["serial"], 1234)
def test_add_bus_arguments_no_prefix(self):
parser = argparse.ArgumentParser()
add_bus_arguments(parser, filter_arg=True)
parsed_args = parser.parse_args(
[
"--channel",
"0",
"--interface",
"vector",
"--timing",
"f_clock=8000000",
"brp=4",
"tseg1=11",
"tseg2=4",
"sjw=2",
"nof_samples=3",
"--filter",
"100:7FF",
"200~7F0",
"--bus-kwargs",
"app_name=MyApp",
"serial=1234",
]
)
self.assertEqual(parsed_args.channel, "0")
self.assertEqual(parsed_args.interface, "vector")
self.assertEqual(parsed_args.timing.f_clock, 8000000)
self.assertEqual(parsed_args.timing.brp, 4)
self.assertEqual(parsed_args.timing.tseg1, 11)
self.assertEqual(parsed_args.timing.tseg2, 4)
self.assertEqual(parsed_args.timing.sjw, 2)
self.assertEqual(parsed_args.timing.nof_samples, 3)
self.assertEqual(len(parsed_args.can_filters), 2)
self.assertEqual(parsed_args.can_filters[0]["can_id"], 0x100)
self.assertEqual(parsed_args.can_filters[0]["can_mask"], 0x7FF)
self.assertEqual(parsed_args.can_filters[1]["can_id"], 0x200 | 0x20000000)
self.assertEqual(parsed_args.can_filters[1]["can_mask"], 0x7F0 & 0x20000000)
self.assertEqual(parsed_args.bus_kwargs["app_name"], "MyApp")
self.assertEqual(parsed_args.bus_kwargs["serial"], 1234)
@patch("can.Bus")
def test_create_bus_from_namespace(self, mock_bus):
namespace = argparse.Namespace(
test_channel="vcan0",
test_interface="virtual",
test_bitrate=500000,
test_data_bitrate=2000000,
test_fd=True,
test_can_filters=[{"can_id": 0x100, "can_mask": 0x7FF}],
test_bus_kwargs={"app_name": "MyApp", "serial": 1234},
)
create_bus_from_namespace(namespace, prefix="test")
mock_bus.assert_called_once_with(
channel="vcan0",
interface="virtual",
bitrate=500000,
data_bitrate=2000000,
fd=True,
can_filters=[{"can_id": 0x100, "can_mask": 0x7FF}],
app_name="MyApp",
serial=1234,
single_handle=True,
)
@patch("can.Bus")
def test_create_bus_from_namespace_no_prefix(self, mock_bus):
namespace = argparse.Namespace(
channel="vcan0",
interface="virtual",
bitrate=500000,
data_bitrate=2000000,
fd=True,
can_filters=[{"can_id": 0x100, "can_mask": 0x7FF}],
bus_kwargs={"app_name": "MyApp", "serial": 1234},
)
create_bus_from_namespace(namespace)
mock_bus.assert_called_once_with(
channel="vcan0",
interface="virtual",
bitrate=500000,
data_bitrate=2000000,
fd=True,
can_filters=[{"can_id": 0x100, "can_mask": 0x7FF}],
app_name="MyApp",
serial=1234,
single_handle=True,
)
if __name__ == "__main__":
unittest.main()
|
