reswqa commented on code in PR #22176:
URL: https://github.com/apache/flink/pull/22176#discussion_r1138082595
##########
flink-runtime/src/test/java/org/apache/flink/runtime/resourcemanager/slotmanager/LeastUtilizationSlotMatchingStrategyTest.java:
##########
@@ -71,8 +69,63 @@ public void
findMatchingSlot_multipleMatchingSlots_returnsSlotWithLeastUtilizati
freeSlots,
createRegisteredSlotsLookupFunction(registeredSlotPerTaskExecutor));
- assertTrue(matchingSlot.isPresent());
- assertThat(matchingSlot.get().getSlotId(),
is(leastUtilizedSlot.getSlotId()));
+ assertThat(matchingSlot).isPresent();
+
assertThat(matchingSlot.get().getSlotId()).isEqualTo(leastUtilizedSlot.getSlotId());
+ }
+
+ @Test
+ public void
+
findMatchingSlotMultipleMatchingSlotsReturnsSlotWithLeastUtilizationByAllocatedSlotNumber()
{
+ InstanceID leastUtilizedInstance = new InstanceID();
+ InstanceID tooSmallInstance = new InstanceID();
+ InstanceID alternativeInstance = new InstanceID();
+ Collection<InstanceID> availableInstances =
+ Arrays.asList(tooSmallInstance, alternativeInstance,
leastUtilizedInstance);
+
+ final Optional<InstanceID> matchingInstance =
+
LeastUtilizationSlotMatchingStrategy.INSTANCE.findMatchingResource(
+ instanceID -> !instanceID.equals(tooSmallInstance),
+ availableInstances,
+ instanceID -> {
+ if (instanceID.equals(leastUtilizedInstance)) {
+ return new TaskManagerResourceInfoSnapshot(
+ ResourceProfile.UNKNOWN,
ResourceProfile.UNKNOWN, 0);
+ } else {
+ return new TaskManagerResourceInfoSnapshot(
+ ResourceProfile.UNKNOWN,
ResourceProfile.UNKNOWN, 1);
+ }
+ });
+ assertThat(matchingInstance).isPresent();
+ assertThat(matchingInstance.get()).isEqualTo(leastUtilizedInstance);
+ }
+
+ @Test
+ public void
findMatchingSlotMultipleMatchingSlotsReturnsSlotWithLeastUtilizationByResource()
{
Review Comment:
```suggestion
void
findMatchingSlotMultipleMatchingSlotsReturnsSlotWithLeastUtilizationByResource()
{
```
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