def getLV(vgName, lvName=None):
lv = _lvminfo.getLv(vgName, lvName)
# getLV() should not return None
if not lv:
raise se.LogicalVolumeDoesNotExistError("%s/%s" % (vgName, lvName))
else:
return lv
def test_LogicalVolumeDoesNotExistError():
# Expected error type is LVMCommandError.
with pytest.raises(TypeError):
e = storage_exception.LogicalVolumeDoesNotExistError(
"vg-name", "lv-name", error="error")
# Correct initialization.
fake_error = storage_exception.LVMCommandError(
rc=5, cmd=["fake"], out=["fake output"], err=["fake error"])
e = storage_exception.LogicalVolumeDoesNotExistError(
"vg-name", "lv-name", error=fake_error)
assert e.error == fake_error
# Check error format
formatted = str(e)
assert "vg_name=vg-name" in formatted
assert "lv_name=lv-name" in formatted
assert "error=" in formatted
def _getLV(self, vgName, lvName):
try:
lv = self.lvmd[(vgName, lvName)]
except KeyError:
raise se.LogicalVolumeDoesNotExistError("%s/%s" % (vgName, lvName))
lv_md = deepcopy(lv)
lv_attr = real_lvm.LV_ATTR(**lv_md['attr'])
lv_md['attr'] = lv_attr
return real_lvm.LV(**lv_md)
