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How to use test_run_fail method in avocado

Best Python code snippet using avocado_python

test_nmea.py

Source:test_nmea.py

...12class TestStartCanBus(unittest.TestCase):13    """Test cases for start_can_bus."""14    @patch('subprocess.run', return_value=0,15           side_effect=subprocess.CalledProcessError(256, 'ip'))16    def test_run_fail(self, ip_call):17        """start_can_bus() ip link set fails"""18        with self.assertLogs(level='ERROR') as logs:19            bus = nmea.start_can_bus()20        ip_call.assert_called_with('sudo ip link set can0 type can '21                                   'bitrate 100000', check=True)22        self.assertEqual(logs.output,23                         ['ERROR:nmea:ip link set can0: FAIL',24                          'ERROR:nmea:return code = 256'],25                         msg='expect ERROR logged when ip link set fails.')26        self.assertIsNone(bus, msg='start_can_bus should return None if '27                          'call to ip link set fails.')28    @patch('subprocess.run')29    def test_run2_fail(self, ip_call):30        """start_can_bus() ifconfig fails"""31        def subprocess_call_behaviour(*args, **kwargs):32            if args[0] == 'sudo ip link set can0 type can bitrate 100000':33                return 034            raise subprocess.CalledProcessError(256, 'ip')35        ip_call.side_effect = subprocess_call_behaviour36        with self.assertLogs(level='ERROR') as logs:37            bus = nmea.start_can_bus()38        self.assertEqual(logs.output,39                         ['ERROR:nmea:ifconfig can0 up: FAIL',40                          'ERROR:nmea:return code = 256'],41                         msg='expect ERROR logged when ip link set fails.')42        self.assertIsNone(bus, msg='start_can_bus should return None if '43                          'call to ifconfig fails.')44    @patch('subprocess.run', return_value=0)45    @patch('can.interface.Bus')46    def test_sucessful_start(self, can_bus, ip_call):47        """start_can_bus() sucess."""48        bus = nmea.start_can_bus()49        expected_ip_calls = [call('sudo ip link set can0 type can bitrate '50                                  '100000', check=True),51                             call('sudo ifconfig can0 up', check=True)]52        self.assertEqual(ip_call.call_args_list, expected_ip_calls,53                         msg='Expected two successful subprocess calls.')54        self.assertEqual(can_bus.call_args_list,55                         [call(channel='can0', bustype='socketcan_ctypes')],56                         msg='Expected one successful call to create'57                             'can.interface.bus')58        self.assertIsNotNone(bus,59                             msg='start_can_bus should return a Bus object'60                                 'when called successfully')61class TestStopCanBus(unittest.TestCase):62    """Test cases for stop_can_bus."""63    @patch('subprocess.run', return_value=0,64           side_effect=subprocess.CalledProcessError(256, 'ip'))65    def test_run_fail(self, ip_call):66        """stop_can_bus() ifconfig fails"""67        with self.assertLogs(level='ERROR') as logs:68            rc = nmea.stop_can_bus()69            rc = nmea.stop_can_bus()70        ip_call.assert_called_with('sudo ifconfig can0 down', check=True)71        print(logs.output)72#        self.assertEqual(logs.output,73#                         ['ERROR:nmea:ifconfig can0 up: FAIL',74#                          'ERROR:nmea:return code = 256'],75#                         msg='expect ERROR logged when ip link set fails.')76        self.assertIsNone(rc, msg='stop_can_bus should return None if call to'77                          'ifconfig fails.')78    @patch('subprocess.run', return_value=0)79    def test_successful_stop(self, ip_call):...

test_util.py

Source:test_util.py

1from virtualenv.util.subprocess import run_cmd2def test_run_fail(tmp_path):3    code, out, err = run_cmd([str(tmp_path)])4    assert err5    assert not out...

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