def test_copy_volume_dd_no_iflag_or_oflag(self, mock_exec, mock_support):
fake_throttle = throttling.Throttle(['fake_throttle'])
output = volume_utils.copy_volume('/dev/zero', '/dev/null', 1024, '3M',
sync=True, execute=utils.execute,
ionice=None, throttle=fake_throttle)
self.assertIsNone(output)
mock_exec.assert_called_once_with('fake_throttle', 'dd',
'if=/dev/zero',
'of=/dev/null',
'count=%s' % units.Gi,
'bs=3M', 'iflag=count_bytes',
'conv=fdatasync', run_as_root=True)
mock_exec.reset_mock()
output = volume_utils.copy_volume('/dev/zero', '/dev/null', 1024, '3M',
sync=False, execute=utils.execute,
ionice=None, throttle=fake_throttle)
self.assertIsNone(output)
mock_exec.assert_called_once_with('fake_throttle', 'dd',
'if=/dev/zero',
'of=/dev/null',
'count=%s' % units.Gi,
'bs=3M', 'iflag=count_bytes',
run_as_root=True)
def test_copy_volume_dd_iflag_and_oflag(self, mock_conf, mock_exec,
mock_support, mock_count):
fake_throttle = throttling.Throttle(['fake_throttle'])
output = volume_utils.copy_volume('/dev/zero',
'/dev/null',
1024,
1,
sync=True,
execute=utils.execute,
ionice=None,
throttle=fake_throttle)
self.assertIsNone(output)
mock_exec.assert_called_once_with('fake_throttle',
'dd',
'if=/dev/zero',
'of=/dev/null',
'count=5678',
'bs=1234',
'iflag=direct',
'oflag=direct',
run_as_root=True)
mock_exec.reset_mock()
output = volume_utils.copy_volume('/dev/zero',
'/dev/null',
1024,
1,
sync=False,
execute=utils.execute,
ionice=None,
throttle=fake_throttle)
self.assertIsNone(output)
mock_exec.assert_called_once_with('fake_throttle',
'dd',
'if=/dev/zero',
'of=/dev/null',
'count=5678',
'bs=1234',
'iflag=direct',
'oflag=direct',
run_as_root=True)
def test_NoThrottle(self):
with throttling.Throttle().subcommand('volume1', 'volume2') as cmd:
self.assertEqual([], cmd['prefix'])
