Jose Armando Garcia Sancio created KAFKA-12253:
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Summary: Add tests that cover all of all of the cases for
ReplicatedLog::validateOffsetAndEpoch
Key: KAFKA-12253
URL: https://issues.apache.org/jira/browse/KAFKA-12253
Project: Kafka
Issue Type: Sub-task
Components: replication
Reporter: Jose Armando Garcia Sancio
Add tests for the cases that ReplicatedLog::validateOffsetAndEpoch needs to
cover. This include:
# epoch > last known epoch => return diverging(log.endOffset,
log.lastFetchedEpoch)
# epoch < oldest snapshot epoch => return snapshot(latestSnapshotId)
# epoch == oldest snapshot epoch:
## offset < oldest snapshot offset => return snapshot(latestSnapshotId)
## offset == oldest snapshot offset => return valid
# Now look up end offset for epoch:
## epoch unknown => return diverging(endOffset/epoch)
## found epoch; end offset < offset => return diverging(endOffset/epoch)
## valid
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