jeffkbkim commented on code in PR #14467:
URL: https://github.com/apache/kafka/pull/14467#discussion_r1349340087
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group-coordinator/src/test/java/org/apache/kafka/coordinator/group/OffsetMetadataManagerTest.java:
##########
@@ -1763,6 +1803,120 @@ public void testDeleteGroupAllOffsets(Group.GroupType
groupType) {
assertEquals(3, numDeleteOffsets);
}
+ @Test
+ public void testIsExpiredOffset() {
+ long currentTimestamp = 1000L;
+ long baseTimestamp = 500L;
+ OptionalLong expireTimestampMs = OptionalLong.of(1500);
+ long offsetsRetentionMs = 500L;
+
+ // Current timestamp >= expire timestamp => should expire
+ assertFalse(OffsetMetadataManager.isExpiredOffset(currentTimestamp,
baseTimestamp, expireTimestampMs, offsetsRetentionMs));
+
+ // Current timestamp < expire timestamp => should not expire
+ currentTimestamp = 499;
+ assertFalse(OffsetMetadataManager.isExpiredOffset(currentTimestamp,
baseTimestamp, expireTimestampMs, offsetsRetentionMs));
+
+ // Expire timestamp does not exist (current version with no per
partition retention)
+ // Current timestamp - base timestamp >= offsets retention => should
expire
+ expireTimestampMs = OptionalLong.empty();
+ currentTimestamp = 1000L;
+ assertTrue(OffsetMetadataManager.isExpiredOffset(currentTimestamp,
baseTimestamp, expireTimestampMs, offsetsRetentionMs));
+
+ // Current timestamp - base timestamp < offsets retention => should
not expire
+ currentTimestamp = 999L;
+ assertFalse(OffsetMetadataManager.isExpiredOffset(currentTimestamp,
baseTimestamp, expireTimestampMs, offsetsRetentionMs));
+ }
+
+ @Test
+ public void testCleanupExpiredOffsetsGroupDoesNotExist() {
+ OffsetMetadataManagerTestContext context = new
OffsetMetadataManagerTestContext.Builder()
+ .build();
+
+ List<Record> records = new ArrayList<>();
+ assertTrue(context.cleanupExpiredOffsets("unknown-group-id", records));
Review Comment:
i think returning `true` makes more sense here because the return value
specifies whether the group does not have any offsets remaining. If the group
does not exist in the offsets map, we know the group can be deleted.
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