lotus/chain/store/splitstore/snoop_test.go

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2020-11-26 18:49:50 +00:00
package splitstore
import (
"context"
"testing"
"github.com/bmatsuo/lmdb-go/lmdb"
cid "github.com/ipfs/go-cid"
"github.com/multiformats/go-multihash"
"github.com/filecoin-project/go-state-types/abi"
)
func TestTrackingStore(t *testing.T) {
makeCid := func(key string) cid.Cid {
h, err := multihash.Sum([]byte(key), multihash.SHA2_256, -1)
if err != nil {
t.Fatal(err)
}
return cid.NewCidV1(cid.Raw, h)
}
mustHave := func(s TrackingStore, cid cid.Cid, epoch abi.ChainEpoch) {
val, err := s.Get(cid)
if err != nil {
t.Fatal(err)
}
if val != epoch {
t.Fatal("epoch mismatch")
}
}
mustNotHave := func(s TrackingStore, cid cid.Cid) {
_, err := s.Get(cid)
if !lmdb.IsNotFound(err) {
t.Fatal("expected key not found")
}
}
s, err := NewTrackingStore("/tmp/snoop-test")
if err != nil {
t.Fatal(err)
}
k1 := makeCid("a")
k2 := makeCid("b")
k3 := makeCid("c")
k4 := makeCid("d")
s.Put(k1, 1) //nolint
s.Put(k2, 2) //nolint
s.Put(k3, 3) //nolint
s.Put(k4, 4) //nolint
mustHave(s, k1, 1)
mustHave(s, k2, 2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
s.Delete(k1) // nolint
s.Delete(k2) // nolint
mustNotHave(s, k1)
mustNotHave(s, k2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
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s.PutBatch([]cid.Cid{k1}, 1) //nolint
s.PutBatch([]cid.Cid{k2}, 2) //nolint
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mustHave(s, k1, 1)
mustHave(s, k2, 2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
allKeys := map[string]struct{}{
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k1.String(): {},
k2.String(): {},
k3.String(): {},
k4.String(): {},
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}
ch, _ := s.Keys(context.Background()) //nolint:errcheck
for k := range ch {
_, ok := allKeys[k.String()]
if !ok {
t.Fatal("unexpected key")
}
delete(allKeys, k.String())
}
if len(allKeys) != 0 {
t.Fatal("not all keys were returned")
}
// no close and reopen and ensure the keys still exist
err = s.Close()
if err != nil {
t.Fatal(err)
}
s, err = NewTrackingStore("/tmp/snoop-test")
if err != nil {
t.Fatal(err)
}
mustHave(s, k1, 1)
mustHave(s, k2, 2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
s.Close() //nolint:errcheck
}