284 lines
7.2 KiB
Go
284 lines
7.2 KiB
Go
package state
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestGraveyard_Lifecycle(t *testing.T) {
|
|
g := NewGraveyard(nil)
|
|
|
|
// Make a donor state store to steal its database, all prepared for
|
|
// tombstones.
|
|
s := testStateStore(t)
|
|
|
|
// Create some tombstones.
|
|
func() {
|
|
tx := s.db.WriteTxnRestore()
|
|
defer tx.Abort()
|
|
|
|
if err := g.InsertTxn(tx, "foo/in/the/house", 2, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := g.InsertTxn(tx, "foo/bar/baz", 5, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := g.InsertTxn(tx, "foo/bar/zoo", 8, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := g.InsertTxn(tx, "some/other/path", 9, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
require.NoError(t, tx.Commit())
|
|
}()
|
|
|
|
// Check some prefixes.
|
|
func() {
|
|
tx := s.db.Txn(false)
|
|
defer tx.Abort()
|
|
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo", nil); idx != 8 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo/in/the/house", nil); idx != 2 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo/bar/baz", nil); idx != 5 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo/bar/zoo", nil); idx != 8 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "some/other/path", nil); idx != 9 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "", nil); idx != 9 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "nope", nil); idx != 0 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
}()
|
|
|
|
// Reap some tombstones.
|
|
func() {
|
|
tx := s.db.WriteTxnRestore()
|
|
defer tx.Abort()
|
|
|
|
if err := g.ReapTxn(tx, 6); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
require.NoError(t, tx.Commit())
|
|
}()
|
|
|
|
// Check prefixes to see that the reap took effect at the right index.
|
|
func() {
|
|
tx := s.db.Txn(false)
|
|
defer tx.Abort()
|
|
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo", nil); idx != 8 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo/in/the/house", nil); idx != 0 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo/bar/baz", nil); idx != 0 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "foo/bar/zoo", nil); idx != 8 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "some/other/path", nil); idx != 9 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "", nil); idx != 9 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
if idx, err := g.GetMaxIndexTxn(tx, "nope", nil); idx != 0 || err != nil {
|
|
t.Fatalf("bad: %d (%s)", idx, err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
func TestGraveyard_GC_Trigger(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
// Set up a fast-expiring GC.
|
|
ttl, granularity := 100*time.Millisecond, 20*time.Millisecond
|
|
gc, err := NewTombstoneGC(ttl, granularity)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Make a new graveyard and assign the GC.
|
|
g := NewGraveyard(gc)
|
|
gc.SetEnabled(true)
|
|
|
|
// Make sure there's nothing already expiring.
|
|
if gc.PendingExpiration() {
|
|
t.Fatalf("should not have any expiring items")
|
|
}
|
|
|
|
// Create a tombstone but abort the transaction, this should not trigger
|
|
// GC.
|
|
s := testStateStore(t)
|
|
func() {
|
|
tx := s.db.WriteTxnRestore()
|
|
defer tx.Abort()
|
|
|
|
if err := g.InsertTxn(tx, "foo/in/the/house", 2, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
}()
|
|
|
|
// Make sure there's nothing already expiring.
|
|
if gc.PendingExpiration() {
|
|
t.Fatalf("should not have any expiring items")
|
|
}
|
|
|
|
// Now commit.
|
|
func() {
|
|
tx := s.db.WriteTxnRestore()
|
|
defer tx.Abort()
|
|
|
|
if err := g.InsertTxn(tx, "foo/in/the/house", 2, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
require.NoError(t, tx.Commit())
|
|
}()
|
|
|
|
// Make sure the GC got hinted.
|
|
if !gc.PendingExpiration() {
|
|
t.Fatalf("should have a pending expiration")
|
|
}
|
|
|
|
// Make sure the index looks good.
|
|
select {
|
|
case idx := <-gc.ExpireCh():
|
|
if idx != 2 {
|
|
t.Fatalf("bad index: %d", idx)
|
|
}
|
|
case <-time.After(2 * ttl):
|
|
t.Fatalf("should have gotten an expire notice")
|
|
}
|
|
}
|
|
|
|
func TestGraveyard_Snapshot_Restore(t *testing.T) {
|
|
g := NewGraveyard(nil)
|
|
|
|
// Make a donor state store to steal its database, all prepared for
|
|
// tombstones.
|
|
s := testStateStore(t)
|
|
|
|
// Create some tombstones.
|
|
func() {
|
|
tx := s.db.WriteTxnRestore()
|
|
defer tx.Abort()
|
|
|
|
if err := g.InsertTxn(tx, "foo/in/the/house", 2, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := g.InsertTxn(tx, "foo/bar/baz", 5, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := g.InsertTxn(tx, "foo/bar/zoo", 8, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := g.InsertTxn(tx, "some/other/path", 9, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
require.NoError(t, tx.Commit())
|
|
}()
|
|
|
|
// Verify the index was set correctly.
|
|
if idx := s.maxIndex(partitionedIndexEntryName(tableTombstones, "default")); idx != 9 {
|
|
t.Fatalf("bad index: %d", idx)
|
|
}
|
|
|
|
// Dump them as if we are doing a snapshot.
|
|
dump := func() []*Tombstone {
|
|
tx := s.db.Txn(false)
|
|
defer tx.Abort()
|
|
|
|
iter, err := g.DumpTxn(tx)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
var dump []*Tombstone
|
|
for ti := iter.Next(); ti != nil; ti = iter.Next() {
|
|
dump = append(dump, ti.(*Tombstone))
|
|
}
|
|
return dump
|
|
}()
|
|
|
|
// Verify the dump, which should be ordered by key.
|
|
expected := []*Tombstone{
|
|
{Key: "foo/bar/baz", Index: 5},
|
|
{Key: "foo/bar/zoo", Index: 8},
|
|
{Key: "foo/in/the/house", Index: 2},
|
|
{Key: "some/other/path", Index: 9},
|
|
}
|
|
if len(expected) != len(dump) {
|
|
t.Fatalf("expected %d, got %d tombstones", len(expected), len(dump))
|
|
}
|
|
for i, e := range expected {
|
|
if e.Key != dump[i].Key {
|
|
t.Fatalf("expected key %s, got %s", e.Key, dump[i].Key)
|
|
}
|
|
if e.Index != dump[i].Index {
|
|
t.Fatalf("expected key %s, got %s", e.Key, dump[i].Key)
|
|
}
|
|
}
|
|
|
|
// Make another state store and restore from the dump.
|
|
func() {
|
|
s := testStateStore(t)
|
|
func() {
|
|
tx := s.db.WriteTxnRestore()
|
|
defer tx.Abort()
|
|
|
|
for _, stone := range dump {
|
|
if err := g.RestoreTxn(tx, stone); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
}
|
|
require.NoError(t, tx.Commit())
|
|
}()
|
|
|
|
// Verify that the restore works.
|
|
if idx := s.maxIndex(partitionedIndexEntryName(tableTombstones, "default")); idx != 9 {
|
|
t.Fatalf("bad index: %d", idx)
|
|
}
|
|
|
|
dump := func() []*Tombstone {
|
|
tx := s.db.Txn(false)
|
|
defer tx.Abort()
|
|
|
|
iter, err := g.DumpTxn(tx)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
var dump []*Tombstone
|
|
for ti := iter.Next(); ti != nil; ti = iter.Next() {
|
|
dump = append(dump, ti.(*Tombstone))
|
|
}
|
|
return dump
|
|
}()
|
|
if len(expected) != len(dump) {
|
|
t.Fatalf("expected %d, got %d tombstones", len(expected), len(dump))
|
|
}
|
|
for i, e := range expected {
|
|
if e.Key != dump[i].Key {
|
|
t.Fatalf("expected key %s, got %s", e.Key, dump[i].Key)
|
|
}
|
|
if e.Index != dump[i].Index {
|
|
t.Fatalf("expected idx %d, got %d", e.Index, dump[i].Index)
|
|
}
|
|
}
|
|
}()
|
|
}
|