lotus/chain/store/splitstore/liveset_test.go

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package splitstore
import (
"os"
"testing"
"github.com/bmatsuo/lmdb-go/lmdb"
cid "github.com/ipfs/go-cid"
"github.com/multiformats/go-multihash"
)
func TestLiveSet(t *testing.T) {
env, err := lmdb.NewEnv()
if err != nil {
t.Fatal(err)
}
defer env.Close() //nolint:errcheck
if err = env.SetMapSize(1 << 30); err != nil {
t.Fatal(err)
}
if err = env.SetMaxDBs(2); err != nil {
t.Fatal(err)
}
if err = env.SetMaxReaders(1); err != nil {
t.Fatal(err)
}
err = os.MkdirAll("/tmp/liveset-test", 0777)
if err != nil {
t.Fatal(err)
}
err = env.Open("/tmp/liveset-test", lmdb.NoSync|lmdb.WriteMap|lmdb.MapAsync|lmdb.NoReadahead, 0777)
if err != nil {
t.Fatal(err)
}
hotSet, err := NewLiveSet(env, "hot")
if err != nil {
t.Fatal(err)
}
coldSet, err := NewLiveSet(env, "cold")
if err != nil {
t.Fatal(err)
}
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 LiveSet, cid cid.Cid) {
has, err := s.Has(cid)
if err != nil {
t.Fatal(err)
}
if !has {
t.Fatal("mark not found")
}
}
mustNotHave := func(s LiveSet, cid cid.Cid) {
has, err := s.Has(cid)
if err != nil {
t.Fatal(err)
}
if has {
t.Fatal("unexpected mark")
}
}
k1 := makeCid("a")
k2 := makeCid("b")
k3 := makeCid("c")
k4 := makeCid("d")
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hotSet.Mark(k1) //nolint
hotSet.Mark(k2) //nolint
coldSet.Mark(k3) //nolint
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mustHave(hotSet, k1)
mustHave(hotSet, k2)
mustNotHave(hotSet, k3)
mustNotHave(hotSet, k4)
mustNotHave(coldSet, k1)
mustNotHave(coldSet, k2)
mustHave(coldSet, k3)
mustNotHave(coldSet, k4)
// close them and reopen to redo the dance
err = hotSet.Close()
if err != nil {
t.Fatal(err)
}
err = coldSet.Close()
if err != nil {
t.Fatal(err)
}
hotSet, err = NewLiveSet(env, "hot")
if err != nil {
t.Fatal(err)
}
coldSet, err = NewLiveSet(env, "cold")
if err != nil {
t.Fatal(err)
}
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hotSet.Mark(k3) //nolint
hotSet.Mark(k4) //nolint
coldSet.Mark(k1) //nolint
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mustNotHave(hotSet, k1)
mustNotHave(hotSet, k2)
mustHave(hotSet, k3)
mustHave(hotSet, k4)
mustHave(coldSet, k1)
mustNotHave(coldSet, k2)
mustNotHave(coldSet, k3)
mustNotHave(coldSet, k4)
err = hotSet.Close()
if err != nil {
t.Fatal(err)
}
err = coldSet.Close()
if err != nil {
t.Fatal(err)
}
}