func TestDuplicateSemantics(t *testing.T) {
ctx := context.Background()
dstore := dssync.MutexWrap(ds.NewMapDatastore())
bstore := blockstore.NewBlockstore(dstore)
bserv := bs.New(bstore, offline.Exchange(bstore))
dserv := mdag.NewDAGService(bserv)
// TODO does pinner need to share datastore with blockservice?
p := NewPinner(dstore, dserv)
a, _ := randNode()
_, err := dserv.Add(a)
if err != nil {
t.Fatal(err)
}
// pin is recursively
err = p.Pin(ctx, a, true)
if err != nil {
t.Fatal(err)
}
// pinning directly should fail
err = p.Pin(ctx, a, false)
if err == nil {
t.Fatal("expected direct pin to fail")
}
// pinning recursively again should succeed
err = p.Pin(ctx, a, true)
if err != nil {
t.Fatal(err)
}
}
func getMockDagServAndBstore(t testing.TB) (mdag.DAGService, blockstore.Blockstore, pin.ManualPinner) {
dstore := ds.NewMapDatastore()
tsds := sync.MutexWrap(dstore)
bstore := blockstore.NewBlockstore(tsds)
bserv := bs.New(bstore, offline.Exchange(bstore))
dserv := mdag.NewDAGService(bserv)
return dserv, bstore, pin.NewPinner(tsds, dserv).GetManual()
}
func setupNode(ctx context.Context, n *IpfsNode, cfg *BuildCfg) error {
// setup local peer ID (private key is loaded in online setup)
if err := n.loadID(); err != nil {
return err
}
var err error
n.Blockstore, err = bstore.WriteCached(bstore.NewBlockstore(n.Repo.Datastore()), kSizeBlockstoreWriteCache)
if err != nil {
return err
}
if cfg.Online {
rcfg, err := n.Repo.Config()
if err != nil {
return err
}
do := setupDiscoveryOption(rcfg.Discovery)
if err := n.startOnlineServices(ctx, cfg.Routing, cfg.Host, do); err != nil {
return err
}
} else {
n.Exchange = offline.Exchange(n.Blockstore)
}
n.Blocks = bserv.New(n.Blockstore, n.Exchange)
n.DAG = dag.NewDAGService(n.Blocks)
n.Pinning, err = pin.LoadPinner(n.Repo.Datastore(), n.DAG)
if err != nil {
// TODO: we should move towards only running 'NewPinner' explicity on
// node init instead of implicitly here as a result of the pinner keys
// not being found in the datastore.
// this is kinda sketchy and could cause data loss
n.Pinning = pin.NewPinner(n.Repo.Datastore(), n.DAG)
}
n.Resolver = &path.Resolver{DAG: n.DAG}
return nil
}
func TestPinRecursiveFail(t *testing.T) {
ctx := context.Background()
dstore := dssync.MutexWrap(ds.NewMapDatastore())
bstore := blockstore.NewBlockstore(dstore)
bserv := bs.New(bstore, offline.Exchange(bstore))
dserv := mdag.NewDAGService(bserv)
p := NewPinner(dstore, dserv)
a, _ := randNode()
b, _ := randNode()
err := a.AddNodeLinkClean("child", b)
if err != nil {
t.Fatal(err)
}
// Note: this isnt a time based test, we expect the pin to fail
mctx, cancel := context.WithTimeout(ctx, time.Millisecond)
defer cancel()
err = p.Pin(mctx, a, true)
if err == nil {
t.Fatal("should have failed to pin here")
}
if _, err := dserv.Add(b); err != nil {
t.Fatal(err)
}
// this one is time based... but shouldnt cause any issues
mctx, cancel = context.WithTimeout(ctx, time.Second)
defer cancel()
if err := p.Pin(mctx, a, true); err != nil {
t.Fatal(err)
}
}
func getDagserv(t *testing.T) merkledag.DAGService {
db := dssync.MutexWrap(ds.NewMapDatastore())
bs := bstore.NewBlockstore(db)
blockserv := bserv.New(bs, offline.Exchange(bs))
return merkledag.NewDAGService(blockserv)
}
func NewMemoryDagService() dag.DAGService {
// build mem-datastore for editor's intermediary nodes
bs := bstore.NewBlockstore(syncds.MutexWrap(ds.NewMapDatastore()))
bsrv := bserv.New(bs, offline.Exchange(bs))
return dag.NewDAGService(bsrv)
}
func Mock() dag.DAGService {
bstore := blockstore.NewBlockstore(dssync.MutexWrap(ds.NewMapDatastore()))
bserv := bsrv.New(bstore, offline.Exchange(bstore))
return dag.NewDAGService(bserv)
}
func TestPinnerBasic(t *testing.T) {
ctx := context.Background()
dstore := dssync.MutexWrap(ds.NewMapDatastore())
bstore := blockstore.NewBlockstore(dstore)
bserv := bs.New(bstore, offline.Exchange(bstore))
dserv := mdag.NewDAGService(bserv)
// TODO does pinner need to share datastore with blockservice?
p := NewPinner(dstore, dserv)
a, ak := randNode()
_, err := dserv.Add(a)
if err != nil {
t.Fatal(err)
}
// Pin A{}
err = p.Pin(ctx, a, false)
if err != nil {
t.Fatal(err)
}
if !p.IsPinned(ak) {
t.Fatal("Failed to find key")
}
// create new node c, to be indirectly pinned through b
c, ck := randNode()
_, err = dserv.Add(c)
if err != nil {
t.Fatal(err)
}
// Create new node b, to be parent to a and c
b, _ := randNode()
err = b.AddNodeLink("child", a)
if err != nil {
t.Fatal(err)
}
err = b.AddNodeLink("otherchild", c)
if err != nil {
t.Fatal(err)
}
_, err = dserv.Add(b)
if err != nil {
t.Fatal(err)
}
// recursively pin B{A,C}
err = p.Pin(ctx, b, true)
if err != nil {
t.Fatal(err)
}
if !p.IsPinned(ck) {
t.Fatal("Child of recursively pinned node not found")
}
bk, _ := b.Key()
if !p.IsPinned(bk) {
t.Fatal("Recursively pinned node not found..")
}
d, _ := randNode()
d.AddNodeLink("a", a)
d.AddNodeLink("c", c)
e, ek := randNode()
d.AddNodeLink("e", e)
// Must be in dagserv for unpin to work
err = dserv.AddRecursive(d)
if err != nil {
t.Fatal(err)
}
// Add D{A,C,E}
err = p.Pin(ctx, d, true)
if err != nil {
t.Fatal(err)
}
if !p.IsPinned(ek) {
t.Fatal(err)
}
dk, _ := d.Key()
if !p.IsPinned(dk) {
t.Fatal("pinned node not found.")
}
// Test recursive unpin
err = p.Unpin(ctx, dk, true)
if err != nil {
t.Fatal(err)
}
// c should still be pinned under b
if !p.IsPinned(ck) {
t.Fatal("Recursive / indirect unpin fail.")
}
err = p.Flush()
if err != nil {
t.Fatal(err)
}
np, err := LoadPinner(dstore, dserv)
if err != nil {
t.Fatal(err)
}
// Test directly pinned
if !np.IsPinned(ak) {
t.Fatal("Could not find pinned node!")
}
// Test indirectly pinned
if !np.IsPinned(ck) {
t.Fatal("could not find indirectly pinned node")
}
// Test recursively pinned
if !np.IsPinned(bk) {
t.Fatal("could not find recursively pinned node")
}
}