def test_get_by_hypervisor(self):
     self.mox.StubOutWithMock(db, "compute_node_search_by_hypervisor")
     db.compute_node_search_by_hypervisor(self.context, "hyper").AndReturn([fake_compute_node])
     self.mox.ReplayAll()
     computes = compute_node.ComputeNodeList.get_by_hypervisor(self.context, "hyper")
     self.assertEqual(1, len(computes))
     self.compare_obj(computes[0], fake_compute_node, subs=self.subs(), comparators=self.comparators())

 def test_get_by_hypervisor(self):
     self.mox.StubOutWithMock(db, 'compute_node_search_by_hypervisor')
     db.compute_node_search_by_hypervisor(self.context, 'hyper').AndReturn(
         [fake_compute_node])
     self.mox.ReplayAll()
     computes = compute_node.ComputeNodeList.get_by_hypervisor(self.context,
                                                               'hyper')
     self.assertEqual(1, len(computes))
     self.compare_obj(computes[0], fake_compute_node)

 def search(self, req, id):
     context = req.environ['nova.context']
     authorize(context)
     hypervisors = db.compute_node_search_by_hypervisor(context, id)
     if hypervisors:
         return dict(hypervisors=[self._view_hypervisor(hyp, False)
                                  for hyp in hypervisors])
     else:
         msg = _("No hypervisor matching '%s' could be found.") % id
         raise webob.exc.HTTPNotFound(explanation=msg)

 def get_by_hypervisor(cls, context, hypervisor_match):
     db_computes = db.compute_node_search_by_hypervisor(context, hypervisor_match)
     return base.obj_make_list(context, ComputeNodeList(), ComputeNode, db_computes)