Function snapshot_compaction

nodedb-raft/src/log.rs:236–252

()

    #[test]
    fn snapshot_compaction() {
        let mut log = RaftLog::new(MemStorage::new());
        for i in 1..=10 {
            log.append(make_entry(1, i)).unwrap();
        }

        log.apply_snapshot(5, 1);
        assert_eq!(log.snapshot_index(), 5);
        assert_eq!(log.last_index(), 10);
        // Compacted entries are gone.
        assert!(log.entry_at(3).is_none());
        assert!(log.entry_at(5).is_none()); // snapshot boundary
        assert!(log.entry_at(6).is_some());

        // Range query into compacted region fails.
        assert!(log.entries_range(3, 8).is_err());
    }
}