dajac commented on code in PR #15182:
URL: https://github.com/apache/kafka/pull/15182#discussion_r1450733355
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group-coordinator/src/test/java/org/apache/kafka/coordinator/group/runtime/CoordinatorRuntimeTest.java:
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@@ -684,6 +685,60 @@ public void testScheduleUnloading() {
// Getting the coordinator context fails because it no longer exists.
assertThrows(NotCoordinatorException.class, () ->
runtime.contextOrThrow(TP));
}
+
+ @Test
+ public void testScheduleUnloadingWithEmptyEpoch() {
+ MockTimer timer = new MockTimer();
+ MockPartitionWriter writer = mock(MockPartitionWriter.class);
+ MockCoordinatorShardBuilderSupplier supplier =
mock(MockCoordinatorShardBuilderSupplier.class);
+ MockCoordinatorShardBuilder builder =
mock(MockCoordinatorShardBuilder.class);
+ MockCoordinatorShard coordinator = mock(MockCoordinatorShard.class);
+
+ CoordinatorRuntime<MockCoordinatorShard, String> runtime =
+ new CoordinatorRuntime.Builder<MockCoordinatorShard, String>()
+ .withTime(timer.time())
+ .withTimer(timer)
+ .withDefaultWriteTimeOut(DEFAULT_WRITE_TIMEOUT)
+ .withLoader(new MockCoordinatorLoader())
+ .withEventProcessor(new DirectEventProcessor())
+ .withPartitionWriter(writer)
+ .withCoordinatorShardBuilderSupplier(supplier)
+
.withCoordinatorRuntimeMetrics(mock(GroupCoordinatorRuntimeMetrics.class))
+ .withCoordinatorMetrics(mock(GroupCoordinatorMetrics.class))
+ .build();
+
+ when(builder.withSnapshotRegistry(any())).thenReturn(builder);
+ when(builder.withLogContext(any())).thenReturn(builder);
+ when(builder.withTime(any())).thenReturn(builder);
+ when(builder.withTimer(any())).thenReturn(builder);
+ when(builder.withCoordinatorMetrics(any())).thenReturn(builder);
+ when(builder.withTopicPartition(any())).thenReturn(builder);
+ when(builder.build()).thenReturn(coordinator);
+ when(supplier.get()).thenReturn(builder);
+
+ // Loads the coordinator. It directly transitions to active.
+ runtime.scheduleLoadOperation(TP, 10);
Review Comment:
the state remains forever in the group coordinator if you were asking about
the group coordinator.
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