func (cfg *BuildCfg) fillDefaults() error {
if cfg.Repo != nil && cfg.NilRepo {
return errors.New("cannot set a repo and specify nilrepo at the same time")
}
if cfg.Repo == nil {
var d ds.Datastore
d = ds.NewMapDatastore()
if cfg.NilRepo {
d = ds.NewNullDatastore()
}
r, err := defaultRepo(dsync.MutexWrap(d))
if err != nil {
return err
}
cfg.Repo = r
}
if cfg.Routing == nil {
cfg.Routing = DHTOption
}
if cfg.Host == nil {
cfg.Host = DefaultHostOption
}
return nil
}
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 getMockDagServ(t testing.TB) mdag.DAGService {
dstore := ds.NewMapDatastore()
tsds := sync.MutexWrap(dstore)
bstore := blockstore.NewBlockstore(tsds)
bserv := bs.New(bstore, offline.Exchange(bstore))
return mdag.NewDAGService(bserv)
}
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, _ := context.WithTimeout(ctx, time.Millisecond)
err = p.Pin(mctx, a, true)
if err == nil {
t.Fatal("should have failed to pin here")
}
_, err = dserv.Add(b)
if err != nil {
t.Fatal(err)
}
// this one is time based... but shouldnt cause any issues
mctx, _ = context.WithTimeout(ctx, time.Second)
err = p.Pin(mctx, a, true)
if err != nil {
t.Fatal(err)
}
}
func TestRoutingResolve(t *testing.T) {
d := mockrouting.NewServer().Client(testutil.RandIdentityOrFatal(t))
dstore := ds.NewMapDatastore()
resolver := NewRoutingResolver(d, 0)
publisher := NewRoutingPublisher(d, dstore)
privk, pubk, err := testutil.RandTestKeyPair(512)
if err != nil {
t.Fatal(err)
}
h := path.FromString("/ipfs/QmZULkCELmmk5XNfCgTnCyFgAVxBRBXyDHGGMVoLFLiXEN")
err = publisher.Publish(context.Background(), privk, h)
if err != nil {
t.Fatal(err)
}
pubkb, err := pubk.Bytes()
if err != nil {
t.Fatal(err)
}
pkhash := u.Hash(pubkb)
res, err := resolver.Resolve(context.Background(), key.Key(pkhash).Pretty())
if err != nil {
t.Fatal(err)
}
if res != h {
t.Fatal("Got back incorrect value.")
}
}
func getMockDagServAndBstore(t testing.TB) (mdag.DAGService, blockstore.GCBlockstore) {
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
}
// NewPeerstore creates a threadsafe collection of peers.
func NewPeerstore() Peerstore {
return &peerstore{
keybook: *newKeybook(),
metrics: *(NewMetrics()).(*metrics),
AddrManager: AddrManager{},
ds: dssync.MutexWrap(ds.NewMapDatastore()),
}
}
func TestReturnsErrorWhenSizeNegative(t *testing.T) {
bs := NewBlockstore(syncds.MutexWrap(ds.NewMapDatastore()))
_, err := WriteCached(bs, -1)
if err != nil {
return
}
t.Fail()
}
func (pn *peernet) Adapter(p testutil.Identity) bsnet.BitSwapNetwork {
client, err := pn.Mocknet.AddPeer(p.PrivateKey(), p.Address())
if err != nil {
panic(err.Error())
}
routing := pn.routingserver.ClientWithDatastore(context.TODO(), p, ds.NewMapDatastore())
return bsnet.NewFromIpfsHost(client, routing)
}
func newEngine(ctx context.Context, idStr string) peerAndEngine {
return peerAndEngine{
Peer: peer.ID(idStr),
//Strategy: New(true),
Engine: NewEngine(ctx,
blockstore.NewBlockstore(dssync.MutexWrap(ds.NewMapDatastore()))),
}
}
func TestGetWhenKeyNotPresent(t *testing.T) {
bs := NewBlockstore(ds_sync.MutexWrap(ds.NewMapDatastore()))
_, err := bs.Get(key.Key("not present"))
if err != nil {
t.Log("As expected, block is not present")
return
}
t.Fail()
}
func getDagservAndPinner(t *testing.T) dagservAndPinner {
db := dssync.MutexWrap(ds.NewMapDatastore())
bs := bstore.NewBlockstore(db)
blockserv := bserv.New(bs, offline.Exchange(bs))
dserv := NewDAGService(blockserv)
mpin := pin.NewPinner(db, dserv)
return dagservAndPinner{
ds: dserv,
mp: mpin,
}
}
func TestValueTypeMismatch(t *testing.T) {
block := blocks.NewBlock([]byte("some data"))
datastore := ds.NewMapDatastore()
k := BlockPrefix.Child(block.Key().DsKey())
datastore.Put(k, "data that isn't a block!")
blockstore := NewBlockstore(ds_sync.MutexWrap(datastore))
_, err := blockstore.Get(block.Key())
if err != ValueTypeMismatch {
t.Fatal(err)
}
}
func setupDHT(ctx context.Context, t *testing.T) *IpfsDHT {
h := netutil.GenHostSwarm(t, ctx)
dss := dssync.MutexWrap(ds.NewMapDatastore())
d := NewDHT(ctx, h, dss)
d.Validator["v"] = &record.ValidChecker{
Func: func(key.Key, []byte) error {
return nil
},
Sign: false,
}
return d
}
func TestFlush(t *testing.T) {
dstore := dssync.MutexWrap(ds.NewMapDatastore())
bstore := blockstore.NewBlockstore(dstore)
bserv := bs.New(bstore, offline.Exchange(bstore))
dserv := mdag.NewDAGService(bserv)
p := NewPinner(dstore, dserv)
_, k := randNode()
p.PinWithMode(k, Recursive)
if err := p.Flush(); err != nil {
t.Fatal(err)
}
assertPinned(t, p, k, "expected key to still be pinned")
}
func TestElideDuplicateWrite(t *testing.T) {
cd := &callbackDatastore{f: func() {}, ds: ds.NewMapDatastore()}
bs := NewBlockstore(syncds.MutexWrap(cd))
cachedbs, err := WriteCached(bs, 1)
if err != nil {
t.Fatal(err)
}
b1 := blocks.NewBlock([]byte("foo"))
cachedbs.Put(b1)
cd.SetFunc(func() {
t.Fatal("write hit the datastore")
})
cachedbs.Put(b1)
}
func TestPutThenGetBlock(t *testing.T) {
bs := NewBlockstore(ds_sync.MutexWrap(ds.NewMapDatastore()))
block := blocks.NewBlock([]byte("some data"))
err := bs.Put(block)
if err != nil {
t.Fatal(err)
}
blockFromBlockstore, err := bs.Get(block.Key())
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(block.Data(), blockFromBlockstore.Data()) {
t.Fail()
}
}
func TestOutboxClosedWhenEngineClosed(t *testing.T) {
t.SkipNow() // TODO implement *Engine.Close
e := NewEngine(context.Background(), blockstore.NewBlockstore(dssync.MutexWrap(ds.NewMapDatastore())))
var wg sync.WaitGroup
wg.Add(1)
go func() {
for nextEnvelope := range e.Outbox() {
<-nextEnvelope
}
wg.Done()
}()
// e.Close()
wg.Wait()
if _, ok := <-e.Outbox(); ok {
t.Fatal("channel should be closed")
}
}
func newBlockStoreWithKeys(t *testing.T, d ds.Datastore, N int) (Blockstore, []key.Key) {
if d == nil {
d = ds.NewMapDatastore()
}
bs := NewBlockstore(ds_sync.MutexWrap(d))
keys := make([]key.Key, N)
for i := 0; i < N; i++ {
block := blocks.NewBlock([]byte(fmt.Sprintf("some data %d", i)))
err := bs.Put(block)
if err != nil {
t.Fatal(err)
}
keys[i] = block.Key()
}
return bs, keys
}
func TestPartnerWantsThenCancels(t *testing.T) {
numRounds := 10
if testing.Short() {
numRounds = 1
}
alphabet := strings.Split("abcdefghijklmnopqrstuvwxyz", "")
vowels := strings.Split("aeiou", "")
type testCase [][]string
testcases := []testCase{
{
alphabet, vowels,
},
{
alphabet, stringsComplement(alphabet, vowels),
},
}
bs := blockstore.NewBlockstore(dssync.MutexWrap(ds.NewMapDatastore()))
for _, letter := range alphabet {
block := blocks.NewBlock([]byte(letter))
if err := bs.Put(block); err != nil {
t.Fatal(err)
}
}
for i := 0; i < numRounds; i++ {
for _, testcase := range testcases {
set := testcase[0]
cancels := testcase[1]
keeps := stringsComplement(set, cancels)
e := NewEngine(context.Background(), bs)
partner := testutil.RandPeerIDFatal(t)
partnerWants(e, set, partner)
partnerCancels(e, cancels, partner)
if err := checkHandledInOrder(t, e, keeps); err != nil {
t.Logf("run #%d of %d", i, numRounds)
t.Fatal(err)
}
}
}
}
func TestBlocks(t *testing.T) {
bstore := blockstore.NewBlockstore(dssync.MutexWrap(ds.NewMapDatastore()))
bs := New(bstore, offline.Exchange(bstore))
defer bs.Close()
b := blocks.NewBlock([]byte("beep boop"))
h := u.Hash([]byte("beep boop"))
if !bytes.Equal(b.Multihash(), h) {
t.Error("Block Multihash and data multihash not equal")
}
if b.Key() != key.Key(h) {
t.Error("Block key and data multihash key not equal")
}
k, err := bs.AddBlock(b)
if err != nil {
t.Error("failed to add block to BlockService", err)
return
}
if k != b.Key() {
t.Error("returned key is not equal to block key", err)
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
b2, err := bs.GetBlock(ctx, b.Key())
if err != nil {
t.Error("failed to retrieve block from BlockService", err)
return
}
if b.Key() != b2.Key() {
t.Error("Block keys not equal.")
}
if !bytes.Equal(b.Data(), b2.Data()) {
t.Error("Block data is not equal.")
}
}
func TestRemoveCacheEntryOnDelete(t *testing.T) {
b := blocks.NewBlock([]byte("foo"))
cd := &callbackDatastore{f: func() {}, ds: ds.NewMapDatastore()}
bs := NewBlockstore(syncds.MutexWrap(cd))
cachedbs, err := WriteCached(bs, 1)
if err != nil {
t.Fatal(err)
}
cachedbs.Put(b)
writeHitTheDatastore := false
cd.SetFunc(func() {
writeHitTheDatastore = true
})
cachedbs.DeleteBlock(b.Key())
cachedbs.Put(b)
if !writeHitTheDatastore {
t.Fail()
}
}
func TestPutProviderDoesntResultInDuplicates(t *testing.T) {
routingBackend := datastore.NewMapDatastore()
k := key.Key("foo")
put := []*dhtpb.Message_Peer{
convPeer("bob", "127.0.0.1/tcp/4001"),
convPeer("alice", "10.0.0.10/tcp/4001"),
}
if err := putRoutingProviders(routingBackend, k, put); err != nil {
t.Fatal(err)
}
if err := putRoutingProviders(routingBackend, k, put); err != nil {
t.Fatal(err)
}
got, err := getRoutingProviders(routingBackend, k)
if err != nil {
t.Fatal(err)
}
if len(got) != 2 {
t.Fatal("should be 2 values, but there are", len(got))
}
}
// session creates a test bitswap session.
//
// NB: It's easy make mistakes by providing the same peer ID to two different
// sessions. To safeguard, use the SessionGenerator to generate sessions. It's
// just a much better idea.
func Session(ctx context.Context, net tn.Network, p testutil.Identity) Instance {
bsdelay := delay.Fixed(0)
const writeCacheElems = 100
adapter := net.Adapter(p)
dstore := ds_sync.MutexWrap(datastore2.WithDelay(ds.NewMapDatastore(), bsdelay))
bstore, err := blockstore.WriteCached(blockstore.NewBlockstore(ds_sync.MutexWrap(dstore)), writeCacheElems)
if err != nil {
panic(err.Error()) // FIXME perhaps change signature and return error.
}
const alwaysSendToPeer = true
bs := New(ctx, p.ID(), adapter, bstore, alwaysSendToPeer).(*Bitswap)
return Instance{
Peer: p.ID(),
Exchange: bs,
blockstore: bstore,
blockstoreDelay: bsdelay,
}
}
func TestReprovide(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
mrserv := mock.NewServer()
idA := testutil.RandIdentityOrFatal(t)
idB := testutil.RandIdentityOrFatal(t)
clA := mrserv.Client(idA)
clB := mrserv.Client(idB)
bstore := blockstore.NewBlockstore(dssync.MutexWrap(ds.NewMapDatastore()))
blk := blocks.NewBlock([]byte("this is a test"))
bstore.Put(blk)
reprov := NewReprovider(clA, bstore)
err := reprov.Reprovide(ctx)
if err != nil {
t.Fatal(err)
}
provs, err := clB.FindProviders(ctx, blk.Key())
if err != nil {
t.Fatal(err)
}
if len(provs) == 0 {
t.Fatal("Should have gotten a provider")
}
if provs[0].ID != idA.ID() {
t.Fatal("Somehow got the wrong peer back as a provider.")
}
}
func TestPrexistingRecord(t *testing.T) {
dstore := ds.NewMapDatastore()
d := mockrouting.NewServer().ClientWithDatastore(context.Background(), testutil.RandIdentityOrFatal(t), dstore)
resolver := NewRoutingResolver(d, 0)
publisher := NewRoutingPublisher(d, dstore)
privk, pubk, err := testutil.RandTestKeyPair(512)
if err != nil {
t.Fatal(err)
}
id, err := peer.IDFromPublicKey(pubk)
if err != nil {
t.Fatal(err)
}
// Make a good record and put it in the datastore
h := path.FromString("/ipfs/QmZULkCELmmk5XNfCgTnCyFgAVxBRBXyDHGGMVoLFLiXEN")
eol := time.Now().Add(time.Hour)
err = PutRecordToRouting(context.Background(), privk, h, 0, eol, d, id)
if err != nil {
t.Fatal(err)
}
// Now, with an old record in the system already, try and publish a new one
err = publisher.Publish(context.Background(), privk, h)
if err != nil {
t.Fatal(err)
}
err = verifyCanResolve(resolver, id.Pretty(), h)
if err != nil {
t.Fatal(err)
}
}
func TestAllKeysRespectsContext(t *testing.T) {
N := 100
d := &queryTestDS{ds: ds.NewMapDatastore()}
bs, _ := newBlockStoreWithKeys(t, d, N)
started := make(chan struct{}, 1)
done := make(chan struct{}, 1)
errors := make(chan error, 100)
getKeys := func(ctx context.Context) {
started <- struct{}{}
ch, err := bs.AllKeysChan(ctx) // once without cancelling
if err != nil {
errors <- err
}
_ = collect(ch)
done <- struct{}{}
errors <- nil // a nil one to signal break
}
// Once without context, to make sure it all works
{
var results dsq.Results
var resultsmu = make(chan struct{})
resultChan := make(chan dsq.Result)
d.SetFunc(func(q dsq.Query) (dsq.Results, error) {
results = dsq.ResultsWithChan(q, resultChan)
resultsmu <- struct{}{}
return results, nil
})
go getKeys(context.Background())
// make sure it's waiting.
<-started
<-resultsmu
select {
case <-done:
t.Fatal("sync is wrong")
case <-results.Process().Closing():
t.Fatal("should not be closing")
case <-results.Process().Closed():
t.Fatal("should not be closed")
default:
}
e := dsq.Entry{Key: BlockPrefix.ChildString("foo").String()}
resultChan <- dsq.Result{Entry: e} // let it go.
close(resultChan)
<-done // should be done now.
<-results.Process().Closed() // should be closed now
// print any errors
for err := range errors {
if err == nil {
break
}
t.Error(err)
}
}
// Once with
{
var results dsq.Results
var resultsmu = make(chan struct{})
resultChan := make(chan dsq.Result)
d.SetFunc(func(q dsq.Query) (dsq.Results, error) {
results = dsq.ResultsWithChan(q, resultChan)
resultsmu <- struct{}{}
return results, nil
})
ctx, cancel := context.WithCancel(context.Background())
go getKeys(ctx)
// make sure it's waiting.
<-started
<-resultsmu
select {
case <-done:
t.Fatal("sync is wrong")
case <-results.Process().Closing():
t.Fatal("should not be closing")
case <-results.Process().Closed():
t.Fatal("should not be closed")
default:
}
cancel() // let it go.
select {
case <-done:
t.Fatal("sync is wrong")
case <-results.Process().Closed():
t.Fatal("should not be closed") // should not be closed yet.
case <-results.Process().Closing():
// should be closing now!
t.Log("closing correctly at this point.")
}
close(resultChan)
<-done // should be done now.
<-results.Process().Closed() // should be closed now
// print any errors
for err := range errors {
if err == nil {
break
}
t.Error(err)
}
}
}
func TestGetFailures(t *testing.T) {
if testing.Short() {
t.SkipNow()
}
ctx := context.Background()
mn, err := mocknet.FullMeshConnected(ctx, 2)
if err != nil {
t.Fatal(err)
}
hosts := mn.Hosts()
tsds := dssync.MutexWrap(ds.NewMapDatastore())
d := NewDHT(ctx, hosts[0], tsds)
d.Update(ctx, hosts[1].ID())
// Reply with failures to every message
hosts[1].SetStreamHandler(ProtocolDHT, func(s inet.Stream) {
defer s.Close()
io.Copy(ioutil.Discard, s)
})
// This one should time out
ctx1, _ := context.WithTimeout(context.Background(), 200*time.Millisecond)
if _, err := d.GetValue(ctx1, key.Key("test")); err != nil {
if merr, ok := err.(u.MultiErr); ok && len(merr) > 0 {
err = merr[0]
}
if err.Error() != "process closing" {
t.Fatal("Got different error than we expected", err)
}
} else {
t.Fatal("Did not get expected error!")
}
t.Log("Timeout test passed.")
// Reply with failures to every message
hosts[1].SetStreamHandler(ProtocolDHT, func(s inet.Stream) {
defer s.Close()
pbr := ggio.NewDelimitedReader(s, inet.MessageSizeMax)
pbw := ggio.NewDelimitedWriter(s)
pmes := new(pb.Message)
if err := pbr.ReadMsg(pmes); err != nil {
panic(err)
}
resp := &pb.Message{
Type: pmes.Type,
}
if err := pbw.WriteMsg(resp); err != nil {
panic(err)
}
})
// This one should fail with NotFound.
// long context timeout to ensure we dont end too early.
// the dht should be exhausting its query and returning not found.
// (was 3 seconds before which should be _plenty_ of time, but maybe
// travis machines really have a hard time...)
ctx2, _ := context.WithTimeout(context.Background(), 20*time.Second)
_, err = d.GetValue(ctx2, key.Key("test"))
if err != nil {
if merr, ok := err.(u.MultiErr); ok && len(merr) > 0 {
err = merr[0]
}
if err != routing.ErrNotFound {
t.Fatalf("Expected ErrNotFound, got: %s", err)
}
} else {
t.Fatal("expected error, got none.")
}
t.Log("ErrNotFound check passed!")
// Now we test this DHT's handleGetValue failure
{
typ := pb.Message_GET_VALUE
str := "hello"
sk, err := d.getOwnPrivateKey()
if err != nil {
t.Fatal(err)
}
rec, err := record.MakePutRecord(sk, key.Key(str), []byte("blah"), true)
if err != nil {
t.Fatal(err)
}
req := pb.Message{
Type: &typ,
Key: &str,
Record: rec,
}
s, err := hosts[1].NewStream(ProtocolDHT, hosts[0].ID())
if err != nil {
t.Fatal(err)
}
defer s.Close()
pbr := ggio.NewDelimitedReader(s, inet.MessageSizeMax)
pbw := ggio.NewDelimitedWriter(s)
if err := pbw.WriteMsg(&req); err != nil {
t.Fatal(err)
}
pmes := new(pb.Message)
if err := pbr.ReadMsg(pmes); err != nil {
t.Fatal(err)
}
if pmes.GetRecord() != nil {
t.Fatal("shouldnt have value")
}
if pmes.GetProviderPeers() != nil {
t.Fatal("shouldnt have provider peers")
}
}
}
// If less than K nodes are in the entire network, it should fail when we make
// a GET rpc and nobody has the value
func TestLessThanKResponses(t *testing.T) {
// t.Skip("skipping test to debug another")
// t.Skip("skipping test because it makes a lot of output")
ctx := context.Background()
mn, err := mocknet.FullMeshConnected(ctx, 6)
if err != nil {
t.Fatal(err)
}
hosts := mn.Hosts()
tsds := dssync.MutexWrap(ds.NewMapDatastore())
d := NewDHT(ctx, hosts[0], tsds)
for i := 1; i < 5; i++ {
d.Update(ctx, hosts[i].ID())
}
// Reply with random peers to every message
for _, host := range hosts {
host := host // shadow loop var
host.SetStreamHandler(ProtocolDHT, func(s inet.Stream) {
defer s.Close()
pbr := ggio.NewDelimitedReader(s, inet.MessageSizeMax)
pbw := ggio.NewDelimitedWriter(s)
pmes := new(pb.Message)
if err := pbr.ReadMsg(pmes); err != nil {
panic(err)
}
switch pmes.GetType() {
case pb.Message_GET_VALUE:
pi := host.Peerstore().PeerInfo(hosts[1].ID())
resp := &pb.Message{
Type: pmes.Type,
CloserPeers: pb.PeerInfosToPBPeers(d.host.Network(), []peer.PeerInfo{pi}),
}
if err := pbw.WriteMsg(resp); err != nil {
panic(err)
}
default:
panic("Shouldnt recieve this.")
}
})
}
ctx, cancel := context.WithTimeout(ctx, time.Second*30)
defer cancel()
if _, err := d.GetValue(ctx, key.Key("hello")); err != nil {
switch err {
case routing.ErrNotFound:
//Success!
return
case u.ErrTimeout:
t.Fatal("Should not have gotten timeout!")
default:
t.Fatalf("Got unexpected error: %s", err)
}
}
t.Fatal("Expected to recieve an error.")
}
func TestNotFound(t *testing.T) {
// t.Skip("skipping test to debug another")
if testing.Short() {
t.SkipNow()
}
ctx := context.Background()
mn, err := mocknet.FullMeshConnected(ctx, 16)
if err != nil {
t.Fatal(err)
}
hosts := mn.Hosts()
tsds := dssync.MutexWrap(ds.NewMapDatastore())
d := NewDHT(ctx, hosts[0], tsds)
for _, p := range hosts {
d.Update(ctx, p.ID())
}
// Reply with random peers to every message
for _, host := range hosts {
host := host // shadow loop var
host.SetStreamHandler(ProtocolDHT, func(s inet.Stream) {
defer s.Close()
pbr := ggio.NewDelimitedReader(s, inet.MessageSizeMax)
pbw := ggio.NewDelimitedWriter(s)
pmes := new(pb.Message)
if err := pbr.ReadMsg(pmes); err != nil {
panic(err)
}
switch pmes.GetType() {
case pb.Message_GET_VALUE:
resp := &pb.Message{Type: pmes.Type}
ps := []peer.PeerInfo{}
for i := 0; i < 7; i++ {
p := hosts[rand.Intn(len(hosts))].ID()
pi := host.Peerstore().PeerInfo(p)
ps = append(ps, pi)
}
resp.CloserPeers = pb.PeerInfosToPBPeers(d.host.Network(), ps)
if err := pbw.WriteMsg(resp); err != nil {
panic(err)
}
default:
panic("Shouldnt recieve this.")
}
})
}
// long timeout to ensure timing is not at play.
ctx, cancel := context.WithTimeout(ctx, time.Second*20)
defer cancel()
v, err := d.GetValue(ctx, key.Key("hello"))
log.Debugf("get value got %v", v)
if err != nil {
if merr, ok := err.(u.MultiErr); ok && len(merr) > 0 {
err = merr[0]
}
switch err {
case routing.ErrNotFound:
//Success!
return
case u.ErrTimeout:
t.Fatal("Should not have gotten timeout!")
default:
t.Fatalf("Got unexpected error: %s", err)
}
}
t.Fatal("Expected to recieve an error.")
}