+// If a limited nice range prevents desired priority adjustments, give
+// up and clamp nice to 10K.
+func (s *SqueueSuite) TestReniceInvalidNiceValue(c *C) {
+ uuids := []string{"zzzzz-dz642-fake0fake0fake0", "zzzzz-dz642-fake1fake1fake1", "zzzzz-dz642-fake2fake2fake2"}
+ slurm := &slurmFake{
+ queue: uuids[0] + " 0 4294000222 PENDING Resources\n" + uuids[1] + " 0 4294555222 PENDING Resources\n",
+ rejectNice10K: true,
+ }
+ sqc := &SqueueChecker{
+ Logger: logrus.StandardLogger(),
+ Slurm: slurm,
+ PrioritySpread: 1,
+ Period: time.Hour,
+ }
+ sqc.startOnce.Do(sqc.start)
+ sqc.check()
+ sqc.SetPriority(uuids[0], 2)
+ sqc.SetPriority(uuids[1], 1)
+
+ // First attempt should renice to 555001, which will fail
+ sqc.reniceAll()
+ c.Check(slurm.didRenice, DeepEquals, [][]string{{uuids[1], "555001"}})
+
+ // Next attempt should renice to 10K, which will succeed
+ sqc.reniceAll()
+ c.Check(slurm.didRenice, DeepEquals, [][]string{{uuids[1], "555001"}, {uuids[1], "10000"}})
+ // ...so we'll change the squeue response to reflect the
+ // updated priority+nice, and make sure sqc sees that...
+ slurm.queue = uuids[0] + " 0 4294000222 PENDING Resources\n" + uuids[1] + " 10000 4294545222 PENDING Resources\n"
+ sqc.check()
+
+ // Next attempt should leave nice alone because it's already
+ // at the 10K limit
+ sqc.reniceAll()
+ c.Check(slurm.didRenice, DeepEquals, [][]string{{uuids[1], "555001"}, {uuids[1], "10000"}})
+
+ // Back to normal if desired nice value falls below 10K
+ slurm.queue = uuids[0] + " 0 4294000222 PENDING Resources\n" + uuids[1] + " 10000 4294000111 PENDING Resources\n"
+ sqc.check()
+ sqc.reniceAll()
+ c.Check(slurm.didRenice, DeepEquals, [][]string{{uuids[1], "555001"}, {uuids[1], "10000"}, {uuids[1], "9890"}})
+
+ sqc.Stop()
+}
+