Synnefo » snf-ganeti

class TestLUInstanceChangeGroup(CmdlibTestCase):

  def setUp(self):

    super(TestLUInstanceChangeGroup, self).setUp()

    self.group2 = self.cfg.AddNewNodeGroup()

    self.node2 = self.cfg.AddNewNode(group=self.group2)

    self.inst = self.cfg.AddNewInstance()

    self.op = opcodes.OpInstanceChangeGroup(instance_name=self.inst.name)

  def testTargetGroupIsInstanceGroup(self):

    op = self.CopyOpCode(self.op,

                         target_groups=[self.group.name])

    self.ExecOpCodeExpectOpPrereqError(

      op, "Can't use group\(s\) .* as targets, they are used by the"

          " instance .*")

  def testNoTargetGroups(self):

    inst = self.cfg.AddNewInstance(disk_template=constants.DT_DRBD8,

                                   primary_node=self.master,

                                   secondary_node=self.node2)

    op = self.CopyOpCode(self.op,

                         instance_name=inst.name)

    self.ExecOpCodeExpectOpPrereqError(

      op, "There are no possible target groups")

  def testFailingIAllocator(self):

    self.iallocator_cls.return_value.success = False

    op = self.CopyOpCode(self.op)

    self.ExecOpCodeExpectOpPrereqError(

      op, "Can't compute solution for changing group of instance .*"

          " using iallocator .*")

  def testChangeGroup(self):

    self.iallocator_cls.return_value.success = True

    self.iallocator_cls.return_value.result = ([], [], [])

    op = self.CopyOpCode(self.op)

    self.ExecOpCode(op)