What is fakelvm? We are interested in this for storage tests.

בתאריך 22 בדצמ׳ 2015 6:24 אחה״צ,‏ "Fabian Deutsch" <fdeutsch(a)redhat.com&gt; כתב: > > Hey, > > imgbased [1] is the layer management component in Node Next, leveraging > lvm. > In the last days I've added unittests for this component. > > After Ryan ramped up the jobs, I spent some time to fix the unit tests. > Previously imgbased was tested inside VMs to run the unit tests. > Now I moved to a fake LVM which is modeling the real LVm behavior, to > run the unit tests. > > This is _much_ quicker, and much easier to handle. > > To try it yourself, just clone [1] and run > > $ make check > > - fabian > > > -- > [1] https://gerrit.ovirt.org/gitweb?p=imgbased.git > > -- > Fabian Deutsch <fdeutsch(a)redhat.com&gt; > RHEV Hypervisor > Red Hat > _______________________________________________ > Devel mailing list > Devel(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/devel

Intersting, we are working on this: https://github.com/oVirt/vdsm/blob/master/tests/storagefakelib.py But it fakes vdsm module, not the underlying lvm commands.

בתאריך 22 בדצמ׳ 2015 6:50 אחה״צ,‏ "Fabian Deutsch" <fdeutsch(a)redhat.com&gt; כתב: > On Tue, Dec 22, 2015 at 5:35 PM, Nir Soffer <nsoffer(a)redhat.com&gt; wrote: > > What is fakelvm? > > > > We are interested in this for storage tests. > > It's actually a small class which mimics teh LVM behavior. > > It was written from scratch - and is still rough. But the idea works out. > It is intended to be used with python-mock. > > The module is here: > > https://gerrit.ovirt.org/gitweb?p=imgbased.git;a=blob;f=tests/fakelvm.py;... > > One consumer of this is: > > https://gerrit.ovirt.org/gitweb?p=imgbased.git;a=blob;f=tests/testSanity.... > > The biggest gap is to document it and get the API straight. > > I.e. currently I tried to follow the following pattern: > > lv = LV() # To instantiate a LV > lv = VG().create(…) # To create a mocked VG > > - fabian > > > בתאריך 22 בדצמ׳ 2015 6:24 אחה״צ,‏ "Fabian Deutsch" <fdeutsch(a)redhat.com&gt; > > כתב: > >> > >> Hey, > >> > >> imgbased [1] is the layer management component in Node Next, leveraging > >> lvm. > >> In the last days I've added unittests for this component. > >> > >> After Ryan ramped up the jobs, I spent some time to fix the unit tests. > >> Previously imgbased was tested inside VMs to run the unit tests. > >> Now I moved to a fake LVM which is modeling the real LVm behavior, to > >> run the unit tests. > >> > >> This is _much_ quicker, and much easier to handle. > >> > >> To try it yourself, just clone [1] and run > >> > >> $ make check > >> > >> - fabian > >> > >> > >> -- > >> [1] https://gerrit.ovirt.org/gitweb?p=imgbased.git > >> > >> -- > >> Fabian Deutsch <fdeutsch(a)redhat.com&gt; > >> RHEV Hypervisor > >> Red Hat > >> _______________________________________________ > >> Devel mailing list > >> Devel(a)ovirt.org > >> http://lists.ovirt.org/mailman/listinfo/devel > > > > -- > Fabian Deutsch <fdeutsch(a)redhat.com&gt; > RHEV Hypervisor > Red Hat