def test_run(self, *args):
"""Test lvm format populator."""
get_device_by_uuid = args[0]
devicetree = DeviceTree()
data = dict()
device = Mock()
device.parents = []
device.size = Size("10g")
devicetree._add_device(device)
# pylint: disable=attribute-defined-outside-init
self._pvs = blockdev.lvm.pvs
self._vgs = blockdev.lvm.vgs
self._lvs = blockdev.lvm.lvs
blockdev.lvm.pvs = Mock(return_value=[])
blockdev.lvm.vgs = Mock(return_value=[])
blockdev.lvm.lvs = Mock(return_value=[])
self.addCleanup(self._clean_up)
# base case: pv format with no vg
with patch("blivet.udev.device_get_format",
return_value=self.udev_type):
helper = self.helper_class(devicetree, data, device)
helper.run()
self.assertEqual(
device.format.type,
self.blivet_type,
msg="Wrong format type after FormatPopulator.run on %s" %
self.udev_type)
# pv belongs to a valid vg which is already in the tree (no lvs)
pv_info = Mock()
pv_info.vg_name = "testvgname"
pv_info.vg_uuid = sentinel.vg_uuid
pv_info.pe_start = 0
pv_info.pv_free = 0
device.path = sentinel.pv_path
vg_device = Mock()
vg_device.parents = []
vg_device.lvs = []
get_device_by_uuid.return_value = vg_device
with patch("blivet.static_data.lvm_info.PVsInfo.cache",
new_callable=PropertyMock) as mock_pvs_cache:
mock_pvs_cache.return_value = {sentinel.pv_path: pv_info}
with patch("blivet.udev.device_get_format",
return_value=self.udev_type):
helper = self.helper_class(devicetree, data, device)
self.assertFalse(device in vg_device.parents)
helper.run()
self.assertEqual(
device.format.type,
self.blivet_type,
msg="Wrong format type after FormatPopulator.run on %s" %
self.udev_type)
self.assertEqual(get_device_by_uuid.call_count, 3)
get_device_by_uuid.assert_called_with(pv_info.vg_uuid,
incomplete=True)
self.assertTrue(device in vg_device.parents)
get_device_by_uuid.reset_mock()
get_device_by_uuid.return_value = None
# pv belongs to a valid vg which is not in the tree (no lvs, either)
pv_info.vg_size = "10g"
pv_info.vg_free = 0
pv_info.vg_extent_size = "4m"
pv_info.vg_extent_count = 2500
pv_info.vg_free_count = 0
pv_info.vg_pv_count = 1
with patch("blivet.static_data.lvm_info.PVsInfo.cache",
new_callable=PropertyMock) as mock_pvs_cache:
mock_pvs_cache.return_value = {sentinel.pv_path: pv_info}
with patch("blivet.udev.device_get_format",
return_value=self.udev_type):
helper = self.helper_class(devicetree, data, device)
helper.run()
self.assertEqual(
device.format.type,
self.blivet_type,
msg="Wrong format type after FormatPopulator.run on %s" %
self.udev_type)
self.assertEqual(get_device_by_uuid.call_count, 2)
get_device_by_uuid.assert_called_with(pv_info.vg_uuid,
incomplete=True)
vg_device = devicetree.get_device_by_name(pv_info.vg_name)
self.assertTrue(vg_device is not None)
devicetree._remove_device(vg_device)
get_device_by_uuid.reset_mock()
# pv belongs to a valid vg not in the tree with two lvs
lv1 = Mock()
lv1.vg_name = pv_info.vg_name
lv1.lv_name = "testlv1"
lv1.uuid = sentinel.lv1_uuid
lv1.attr = "-wi-ao----"
lv1.size = "2g"
lv1.segtype = "linear"
lv1_name = "%s-%s" % (pv_info.vg_name, lv1.lv_name)
lv2 = Mock()
lv2.vg_name = pv_info.vg_name
lv2.lv_name = "testlv2"
lv2.uuid = sentinel.lv2_uuid
lv2.attr = "-wi-ao----"
lv2.size = "7g"
lv2.segtype = "linear"
lv2_name = "%s-%s" % (pv_info.vg_name, lv2.lv_name)
lv_info = {lv1_name: lv1, lv2_name: lv2}
device.format.container_uuid = pv_info.vg_uuid
def gdbu(uuid, **kwargs): # pylint: disable=unused-argument
# This version doesn't check format UUIDs
return six.next((d for d in devicetree.devices if d.uuid == uuid),
None)
get_device_by_uuid.side_effect = gdbu
with patch("blivet.static_data.lvm_info.PVsInfo.cache",
new_callable=PropertyMock) as mock_pvs_cache:
mock_pvs_cache.return_value = {sentinel.pv_path: pv_info}
with patch("blivet.static_data.lvm_info.LVsInfo.cache",
new_callable=PropertyMock) as mock_lvs_cache:
mock_lvs_cache.return_value = lv_info
with patch("blivet.udev.device_get_format",
return_value=self.udev_type):
self.assertEqual(
devicetree.get_device_by_name(pv_info.vg_name,
incomplete=True), None)
helper = self.helper_class(devicetree, data, device)
helper.run()
self.assertEqual(
device.format.type,
self.blivet_type,
msg="Wrong format type after FormatPopulator.run on %s"
% self.udev_type)
self.assertEqual(get_device_by_uuid.call_count, 4,
get_device_by_uuid.mock_calls
) # two for vg and one for each lv
get_device_by_uuid.assert_has_calls([
call(pv_info.vg_uuid, incomplete=True),
call(lv1.uuid),
call(lv2.uuid)
],
any_order=True)
vg_device = devicetree.get_device_by_name(pv_info.vg_name)
self.assertTrue(vg_device is not None)
lv1_device = devicetree.get_device_by_name(lv1_name)
self.assertEqual(lv1_device.uuid, lv1.uuid)
lv2_device = devicetree.get_device_by_name(lv2_name)
self.assertEqual(lv2_device.uuid, lv2.uuid)
