jsancio commented on code in PR #15859:
URL: https://github.com/apache/kafka/pull/15859#discussion_r1595784042
##########
raft/src/test/java/org/apache/kafka/raft/internals/VoterSetTest.java:
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@@ -79,20 +81,79 @@ void testRemoveVoter() {
);
}
+ @Test
+ void testIsVoterWithDirectoryId() {
+ Map<Integer, VoterSet.VoterNode> aVoterMap = voterMap(Arrays.asList(1,
2, 3), true);
+ VoterSet voterSet = new VoterSet(new HashMap<>(aVoterMap));
+
+ assertTrue(voterSet.isVoter(aVoterMap.get(1).voterKey()));
+ assertFalse(voterSet.isVoter(ReplicaKey.of(1,
Optional.of(Uuid.randomUuid()))));
+ assertFalse(voterSet.isVoter(ReplicaKey.of(1, Optional.empty())));
+ assertFalse(
+ voterSet.isVoter(ReplicaKey.of(2,
aVoterMap.get(1).voterKey().directoryId()))
+ );
+ assertFalse(
+ voterSet.isVoter(ReplicaKey.of(4,
aVoterMap.get(1).voterKey().directoryId()))
+ );
+ assertFalse(voterSet.isVoter(ReplicaKey.of(4, Optional.empty())));
+ }
+
+ @Test
+ void testIsVoterWithoutDirectoryId() {
+ Map<Integer, VoterSet.VoterNode> aVoterMap = voterMap(Arrays.asList(1,
2, 3), false);
+ VoterSet voterSet = new VoterSet(new HashMap<>(aVoterMap));
+
+ assertTrue(voterSet.isVoter(ReplicaKey.of(1, Optional.empty())));
+ assertTrue(voterSet.isVoter(ReplicaKey.of(1,
Optional.of(Uuid.randomUuid()))));
+ assertFalse(voterSet.isVoter(ReplicaKey.of(4,
Optional.of(Uuid.randomUuid()))));
+ assertFalse(voterSet.isVoter(ReplicaKey.of(4, Optional.empty())));
+ }
+
+ @Test
+ void testStandaloneAndOnlyVoter() {
+ Map<Integer, VoterSet.VoterNode> aVoterMap =
voterMap(Arrays.asList(1), true);
+ VoterSet voterSet = new VoterSet(new HashMap<>(aVoterMap));
+
+ assertTrue(voterSet.isOnlyVoter(aVoterMap.get(1).voterKey()));
+ assertFalse(voterSet.isOnlyVoter(ReplicaKey.of(1,
Optional.of(Uuid.randomUuid()))));
+ assertFalse(voterSet.isOnlyVoter(ReplicaKey.of(1, Optional.empty())));
+ assertFalse(
+ voterSet.isOnlyVoter(ReplicaKey.of(4,
aVoterMap.get(1).voterKey().directoryId()))
+ );
+ assertFalse(voterSet.isOnlyVoter(ReplicaKey.of(4, Optional.empty())));
+ }
+
+ @Test
+ void testOnlyVoter() {
Review Comment:
Fair. I renamed it to `testNotStandaloneAndIsOnlyVoter`. I mean to the
behavior of `isOnlyVoter` when there are more than one voter in the set of
voters.
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