ahuang98 commented on code in PR #16079:
URL: https://github.com/apache/kafka/pull/16079#discussion_r1619301291
##########
raft/src/test/java/org/apache/kafka/raft/LeaderStateTest.java:
##########
@@ -103,189 +105,247 @@ public void testNonFollowerAcknowledgement() {
assertThrows(IllegalArgumentException.class, () ->
state.addAcknowledgementFrom(nonVoterId));
}
- @Test
- public void testUpdateHighWatermarkQuorumSizeOne() {
- LeaderState<?> state = newLeaderState(singleton(localId), 15L);
- assertEquals(Optional.empty(), state.highWatermark());
- assertFalse(state.updateLocalState(new LogOffsetMetadata(15L)));
- assertEquals(emptySet(), state.nonAcknowledgingVoters());
- assertEquals(Optional.empty(), state.highWatermark());
- assertTrue(state.updateLocalState(new LogOffsetMetadata(16L)));
- assertEquals(Optional.of(new LogOffsetMetadata(16L)),
state.highWatermark());
- assertTrue(state.updateLocalState(new LogOffsetMetadata(20)));
- assertEquals(Optional.of(new LogOffsetMetadata(20L)),
state.highWatermark());
- }
+// @Test
+// public void testUpdateHighWatermarkQuorumSizeOne() {
+// LeaderState<?> state = newLeaderState(singleton(localId), 15L);
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(15L)));
+// assertEquals(emptySet(), state.nonAcknowledgingVoters());
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertTrue(state.updateLocalState(new LogOffsetMetadata(16L)));
+// assertEquals(Optional.of(new LogOffsetMetadata(16L)),
state.highWatermark());
+// assertTrue(state.updateLocalState(new LogOffsetMetadata(20)));
+// assertEquals(Optional.of(new LogOffsetMetadata(20L)),
state.highWatermark());
+// }
+//
+// @Test
+// public void testNonMonotonicLocalEndOffsetUpdate() {
+// LeaderState<?> state = newLeaderState(singleton(localId), 15L);
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertTrue(state.updateLocalState(new LogOffsetMetadata(16L)));
+// assertEquals(Optional.of(new LogOffsetMetadata(16L)),
state.highWatermark());
+// assertThrows(IllegalStateException.class,
+// () -> state.updateLocalState(new LogOffsetMetadata(15L)));
+// }
+//
+// @Test
+// public void testLastCaughtUpTimeVoters() {
+// int node1 = 1;
+// int node2 = 2;
+// int currentTime = 1000;
+// int fetchTime = 0;
+// int caughtUpTime = -1;
+// LeaderState<?> state = newLeaderState(mkSet(localId, node1, node2),
10L);
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(10L)));
+// assertEquals(mkSet(node1, node2), state.nonAcknowledgingVoters());
+// assertEquals(Optional.empty(), state.highWatermark());
+//
+// // Node 1 falls behind
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(11L)));
+// assertFalse(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(10L)));
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeVoterState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node 1 catches up to leader
+// assertTrue(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(11L)));
+// caughtUpTime = fetchTime;
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeVoterState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node 1 falls behind
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(100L)));
+// assertTrue(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(50L)));
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeVoterState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node 1 catches up to the last fetch offset
+// int prevFetchTime = fetchTime;
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(200L)));
+// assertTrue(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(100L)));
+// caughtUpTime = prevFetchTime;
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeVoterState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node2 has never caught up to leader
+// assertEquals(-1L, describeVoterState(state, node2,
currentTime).lastCaughtUpTimestamp());
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(300L)));
+// assertTrue(state.updateReplicaState(node2, ++fetchTime, new
LogOffsetMetadata(200L)));
+// assertEquals(-1L, describeVoterState(state, node2,
currentTime).lastCaughtUpTimestamp());
+// assertTrue(state.updateReplicaState(node2, ++fetchTime, new
LogOffsetMetadata(250L)));
+// assertEquals(-1L, describeVoterState(state, node2,
currentTime).lastCaughtUpTimestamp());
+// }
+//
+// @Test
+// public void testLastCaughtUpTimeObserver() {
+// int node1 = 1;
+// int currentTime = 1000;
+// int fetchTime = 0;
+// int caughtUpTime = -1;
+// LeaderState<?> state = newLeaderState(singleton(localId), 5L);
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertEquals(emptySet(), state.nonAcknowledgingVoters());
+//
+// // Node 1 falls behind
+// assertTrue(state.updateLocalState(new LogOffsetMetadata(11L)));
+// assertFalse(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(10L)));
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeObserverState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node 1 catches up to leader
+// assertFalse(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(11L)));
+// caughtUpTime = fetchTime;
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeObserverState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node 1 falls behind
+// assertTrue(state.updateLocalState(new LogOffsetMetadata(100L)));
+// assertFalse(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(50L)));
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeObserverState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node 1 catches up to the last fetch offset
+// int prevFetchTime = fetchTime;
+// assertTrue(state.updateLocalState(new LogOffsetMetadata(200L)));
+// assertFalse(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(102L)));
+// caughtUpTime = prevFetchTime;
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeObserverState(state, node1,
currentTime).lastCaughtUpTimestamp());
+//
+// // Node 1 catches up to leader
+// assertFalse(state.updateReplicaState(node1, ++fetchTime, new
LogOffsetMetadata(200L)));
+// caughtUpTime = fetchTime;
+// assertEquals(currentTime, describeVoterState(state, localId,
currentTime).lastCaughtUpTimestamp());
+// assertEquals(caughtUpTime, describeObserverState(state, node1,
currentTime).lastCaughtUpTimestamp());
+// }
+//
+// @Test
+// public void testIdempotentEndOffsetUpdate() {
+// LeaderState<?> state = newLeaderState(singleton(localId), 15L);
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertTrue(state.updateLocalState(new LogOffsetMetadata(16L)));
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(16L)));
+// assertEquals(Optional.of(new LogOffsetMetadata(16L)),
state.highWatermark());
+// }
+//
+// @Test
+// public void testUpdateHighWatermarkMetadata() {
+// LeaderState<?> state = newLeaderState(singleton(localId), 15L);
+// assertEquals(Optional.empty(), state.highWatermark());
+//
+// LogOffsetMetadata initialHw = new LogOffsetMetadata(16L,
Optional.of(new MockOffsetMetadata("bar")));
+// assertTrue(state.updateLocalState(initialHw));
+// assertEquals(Optional.of(initialHw), state.highWatermark());
+//
+// LogOffsetMetadata updateHw = new LogOffsetMetadata(16L,
Optional.of(new MockOffsetMetadata("baz")));
+// assertTrue(state.updateLocalState(updateHw));
+// assertEquals(Optional.of(updateHw), state.highWatermark());
+// }
+//
+// @Test
+// public void testUpdateHighWatermarkQuorumSizeTwo() {
+// int otherNodeId = 1;
+// LeaderState<?> state = newLeaderState(mkSet(localId, otherNodeId),
10L);
+// assertFalse(state.updateLocalState(new LogOffsetMetadata(13L)));
+// assertEquals(singleton(otherNodeId), state.nonAcknowledgingVoters());
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertFalse(state.updateReplicaState(otherNodeId, 0, new
LogOffsetMetadata(10L)));
+// assertEquals(emptySet(), state.nonAcknowledgingVoters());
+// assertEquals(Optional.empty(), state.highWatermark());
+// assertTrue(state.updateReplicaState(otherNodeId, 0, new
LogOffsetMetadata(11L)));
+// assertEquals(Optional.of(new LogOffsetMetadata(11L)),
state.highWatermark());
+// assertTrue(state.updateReplicaState(otherNodeId, 0, new
LogOffsetMetadata(13L)));
+// assertEquals(Optional.of(new LogOffsetMetadata(13L)),
state.highWatermark());
+// }
@Test
- public void testNonMonotonicLocalEndOffsetUpdate() {
- LeaderState<?> state = newLeaderState(singleton(localId), 15L);
- assertEquals(Optional.empty(), state.highWatermark());
- assertTrue(state.updateLocalState(new LogOffsetMetadata(16L)));
- assertEquals(Optional.of(new LogOffsetMetadata(16L)),
state.highWatermark());
- assertThrows(IllegalStateException.class,
- () -> state.updateLocalState(new LogOffsetMetadata(15L)));
- }
-
- @Test
- public void testLastCaughtUpTimeVoters() {
+ public void testUpdateHighWatermarkQuorumSizeThree() {
Review Comment:
git is making the diffs really confusing. the main changes to this test file
are commenting out tests (temporary) and _adding_ new tests
`testUpdateHighWatermarkRemovingFollowerFromVoterStates` and
`testUpdateHighWatermarkRemovingLeaderFromVoterStates`
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