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testing.go
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testing.go
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package ipfsutil
import (
"context"
crand "crypto/rand"
"encoding/base64"
"math/rand"
"testing"
"time"
ds "github.com/ipfs/go-datastore"
dsync "github.com/ipfs/go-datastore/sync"
ipfs_cfg "github.com/ipfs/go-ipfs-config"
ipfs_core "github.com/ipfs/go-ipfs/core"
ipfs_mock "github.com/ipfs/go-ipfs/core/mock"
ipfs_repo "github.com/ipfs/go-ipfs/repo"
p2p_ci "github.com/libp2p/go-libp2p-core/crypto"
host "github.com/libp2p/go-libp2p-core/host"
p2pnetwork "github.com/libp2p/go-libp2p-core/network"
p2p_peer "github.com/libp2p/go-libp2p-core/peer"
"github.com/libp2p/go-libp2p-core/peerstore"
"github.com/libp2p/go-libp2p-core/protocol"
"github.com/libp2p/go-libp2p-core/routing"
discovery "github.com/libp2p/go-libp2p-discovery"
pubsub "github.com/libp2p/go-libp2p-pubsub"
rendezvous "github.com/libp2p/go-libp2p-rendezvous"
p2p_rpdb "github.com/libp2p/go-libp2p-rendezvous/db/sqlite"
p2p_mocknet "github.com/libp2p/go-libp2p/p2p/net/mock"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"berty.tech/berty/v2/go/internal/tinder"
)
// CoreAPIMock implements ipfs.CoreAPI and adds some debugging helpers
type CoreAPIMock interface {
API() ExtendedCoreAPI
PubSub() *pubsub.PubSub
Tinder() tinder.Driver
MockNetwork() p2p_mocknet.Mocknet
MockNode() *ipfs_core.IpfsNode
Close()
}
func getOrCreatePrivateKeyFromDatastore(t testing.TB, datastore ds.Datastore) p2p_ci.PrivKey {
const datastoreKeyForPrivateKey = "p2p_private_key"
privkeyb, err := datastore.Get(ds.NewKey("private_key"))
if err == ds.ErrNotFound {
priv, _, err := p2p_ci.GenerateKeyPairWithReader(p2p_ci.RSA, 2048, crand.Reader)
if err != nil {
t.Fatalf("failed to generate pair key: %v", err)
}
privkeyb, err := priv.Bytes()
if err != nil {
t.Fatalf("failed to get raw priv key: %v", err)
}
if err := datastore.Put(ds.NewKey(datastoreKeyForPrivateKey), privkeyb); err != nil {
t.Fatalf("failed to save priv key: %v", err)
}
return priv
} else if err != nil {
t.Fatalf("failed to get value from datastore: %v", err)
}
priv, err := p2p_ci.UnmarshalPrivateKey(privkeyb)
if err != nil {
t.Fatalf("failed to unmarshal priv key: %v", err)
}
return priv
}
func TestingRepo(t testing.TB, datastore ds.Datastore) ipfs_repo.Repo {
t.Helper()
c := ipfs_cfg.Config{}
priv := getOrCreatePrivateKeyFromDatastore(t, datastore)
pid, err := p2p_peer.IDFromPublicKey(priv.GetPublic())
if err != nil {
t.Fatalf("failed to get pid from pub key: %v", err)
}
privkeyb, err := priv.Bytes()
if err != nil {
t.Fatalf("failed to get raw priv key: %v", err)
}
c.Bootstrap = []string{}
c.Addresses.Swarm = []string{"/ip6/::/tcp/0"}
c.Identity.PeerID = pid.Pretty()
c.Identity.PrivKey = base64.StdEncoding.EncodeToString(privkeyb)
if datastore == nil {
datastore = ds.NewMapDatastore()
}
dstore := dsync.MutexWrap(datastore)
return &ipfs_repo.Mock{
D: dstore,
C: c,
}
}
type TestingAPIOpts struct {
Logger *zap.Logger
Mocknet p2p_mocknet.Mocknet
RDVPeer p2p_peer.AddrInfo
Datastore ds.Batching
}
// TestingCoreAPIUsingMockNet returns a fully initialized mocked Core API with the given mocknet
func TestingCoreAPIUsingMockNet(ctx context.Context, t testing.TB, opts *TestingAPIOpts) (CoreAPIMock, func()) {
t.Helper()
if opts.Logger == nil {
opts.Logger = zap.NewNop()
}
var ps *pubsub.PubSub
var disc tinder.Driver
datastore := opts.Datastore
if datastore == nil {
datastore = dsync.MutexWrap(ds.NewMapDatastore())
}
repo := TestingRepo(t, datastore)
exapi, node, err := NewCoreAPIFromRepo(ctx, repo, &CoreAPIConfig{
DisableCorePubSub: true,
Host: ipfs_mock.MockHostOption(opts.Mocknet),
HostConfig: func(h host.Host, r routing.Routing) error {
var err error
if opts.RDVPeer.ID != "" {
// opts.Mocknet.ConnectPeers(node.Identity, opts.RDVPeer.ID)
h.Peerstore().AddAddrs(opts.RDVPeer.ID, opts.RDVPeer.Addrs, peerstore.PermanentAddrTTL)
// @FIXME(gfanton): use rand as argument
disc = tinder.NewRendezvousDiscovery(opts.Logger, h, opts.RDVPeer.ID, rand.New(rand.NewSource(rand.Int63())))
} else {
disc = tinder.NewDriverRouting(opts.Logger, "dht", r)
}
minBackoff, maxBackoff := time.Second, time.Minute
rng := rand.New(rand.NewSource(rand.Int63()))
disc, err = tinder.NewService(
opts.Logger,
disc,
discovery.NewExponentialBackoff(minBackoff, maxBackoff, discovery.FullJitter, time.Second, 5.0, 0, rng),
)
if err != nil {
return err
}
ps, err = pubsub.NewGossipSub(ctx, h,
pubsub.WithMessageSigning(true),
pubsub.WithFloodPublish(true),
pubsub.WithDiscovery(disc),
pubsub.WithPeerExchange(true),
)
return err
},
})
require.NoError(t, err, "failed to initialize IPFS node mock")
require.NotNil(t, ps)
require.NotNil(t, disc)
_, err = opts.Mocknet.LinkPeers(node.Identity, opts.RDVPeer.ID)
psapi := NewPubSubAPI(ctx, opts.Logger, disc, ps)
exapi = InjectPubSubCoreAPIExtendedAdaptater(exapi, psapi)
EnableConnLogger(ctx, opts.Logger, node.PeerHost)
api := &coreAPIMock{
coreapi: exapi,
mocknet: opts.Mocknet,
pubsub: ps,
node: node,
tinder: disc,
}
return api, func() {
_ = node.Close()
_ = node.PeerHost.Close()
_ = repo.Close()
}
}
// TestingCoreAPI returns a fully initialized mocked Core API.
// If you want to do some tests involving multiple peers you should use
// `TestingCoreAPIUsingMockNet` with the same mocknet instead.
func TestingCoreAPI(ctx context.Context, t testing.TB) (CoreAPIMock, func()) {
t.Helper()
m := p2p_mocknet.New(ctx)
rdvPeer, err := m.GenPeer()
require.NoError(t, err)
_, cleanrdvp := TestingRDVP(ctx, t, rdvPeer)
api, cleanapi := TestingCoreAPIUsingMockNet(ctx, t, &TestingAPIOpts{
Mocknet: m,
RDVPeer: rdvPeer.Network().Peerstore().PeerInfo(rdvPeer.ID()),
})
cleanup := func() {
cleanapi()
cleanrdvp()
_ = rdvPeer.Close()
}
return api, cleanup
}
func TestingRDVP(ctx context.Context, t testing.TB, h host.Host) (*rendezvous.RendezvousService, func()) {
db, err := p2p_rpdb.OpenDB(ctx, ":memory:")
require.NoError(t, err)
svc := rendezvous.NewRendezvousService(h, db)
cleanup := func() {
_ = db.Close() // dont use me for now as db is open in_memory
}
return svc, cleanup
}
type coreAPIMock struct {
coreapi ExtendedCoreAPI
pubsub *pubsub.PubSub
mocknet p2p_mocknet.Mocknet
node *ipfs_core.IpfsNode
tinder tinder.Driver
}
func (m *coreAPIMock) ConnMgr() ConnMgr {
return m.node.PeerHost.ConnManager()
}
func (m *coreAPIMock) NewStream(ctx context.Context, p p2p_peer.ID, pids ...protocol.ID) (p2pnetwork.Stream, error) {
return m.node.PeerHost.NewStream(ctx, p, pids...)
}
func (m *coreAPIMock) SetStreamHandler(pid protocol.ID, handler p2pnetwork.StreamHandler) {
m.node.PeerHost.SetStreamHandler(pid, handler)
}
func (m *coreAPIMock) RemoveStreamHandler(pid protocol.ID) {
m.node.PeerHost.RemoveStreamHandler(pid)
}
func (m *coreAPIMock) API() ExtendedCoreAPI {
return m.coreapi
}
func (m *coreAPIMock) MockNetwork() p2p_mocknet.Mocknet {
return m.mocknet
}
func (m *coreAPIMock) MockNode() *ipfs_core.IpfsNode {
return m.node
}
func (m *coreAPIMock) PubSub() *pubsub.PubSub {
return m.pubsub
}
func (m *coreAPIMock) Tinder() tinder.Driver {
return m.tinder
}
func (m *coreAPIMock) Close() {
m.node.Close()
}