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Fixed a bug causing a new snapshot to be not counted when deciding which fossils can be deleted

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This commit is contained in:
Gilbert Chen
2018-07-23 22:08:08 -04:00
parent dfdbfed64b
commit 72dfaa8b6b
2 changed files with 43 additions and 1 deletions
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39
src/duplicacy_snapshotmanager_test.go
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@@ -582,3 +582,42 @@ func TestPruneMultipleThread(t *testing.T) {
snapshotManager.PruneSnapshots("repository1", "repository1", []int{}, []string{}, []string{}, false, true, []string{}, false, false, false, numberOfThreads)
checkTestSnapshots(snapshotManager, 1, 0)
}
// A snapshot not seen by a fossil collection should always be consider a new snapshot in the fossil deletion step
func TestPruneNewSnapshots(t *testing.T) {
setTestingT(t)
testDir := path.Join(os.TempDir(), "duplicacy_test", "snapshot_test")
snapshotManager := createTestSnapshotManager(testDir)
chunkSize := 1024
chunkHash1 := uploadRandomChunk(snapshotManager, chunkSize)
chunkHash2 := uploadRandomChunk(snapshotManager, chunkSize)
chunkHash3 := uploadRandomChunk(snapshotManager, chunkSize)
chunkHash4 := uploadRandomChunk(snapshotManager, chunkSize)
now := time.Now().Unix()
day := int64(24 * 3600)
t.Logf("Creating 3 snapshots")
createTestSnapshot(snapshotManager, "vm1@host1", 1, now-3*day-3600, now-3*day-60, []string{chunkHash1, chunkHash2}, "tag")
createTestSnapshot(snapshotManager, "vm1@host1", 2, now-2*day-3600, now-2*day-60, []string{chunkHash2, chunkHash3}, "tag")
createTestSnapshot(snapshotManager, "vm2@host1", 1, now-2*day-3600, now-2*day-60, []string{chunkHash3, chunkHash4}, "tag")
checkTestSnapshots(snapshotManager, 3, 0)
t.Logf("Prune snapshot 1")
// chunkHash1 should be marked as fossil
snapshotManager.PruneSnapshots("vm1@host1", "vm1@host1", []int{1}, []string{}, []string{}, false, false, []string{}, false, false, false, 1)
checkTestSnapshots(snapshotManager, 2, 2)
chunkHash5 := uploadRandomChunk(snapshotManager, chunkSize)
// Create another snapshot of vm1 that brings back chunkHash1
createTestSnapshot(snapshotManager, "vm1@host1", 3, now-0*day-3600, now-0*day-60, []string{chunkHash1, chunkHash3}, "tag")
// Create another snapshot of vm2 so the fossil collection will be processed by next prune
createTestSnapshot(snapshotManager, "vm2@host1", 2, now + 3600, now + 3600 * 2, []string{chunkHash4, chunkHash5}, "tag")
// Now chunkHash1 wil be resurrected
snapshotManager.PruneSnapshots("vm1@host1", "vm1@host1", []int{}, []string{}, []string{}, false, false, []string{}, false, false, false, 1)
checkTestSnapshots(snapshotManager, 4, 0)
snapshotManager.CheckSnapshots("vm1@host1", []int{2, 3}, "", false, false, false, false, false);
}