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207 lines
4.7 KiB
207 lines
4.7 KiB
package p2p_test
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import (
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"sync"
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"testing"
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"github.com/gogo/protobuf/proto"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/p2p"
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p2pmocks "github.com/tendermint/tendermint/p2p/mocks"
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ssproto "github.com/tendermint/tendermint/proto/tendermint/statesync"
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)
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var (
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channelID1 = byte(0x01)
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channelID2 = byte(0x02)
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p2pCfg = config.DefaultP2PConfig()
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testChannelShims = map[p2p.ChannelID]*p2p.ChannelDescriptorShim{
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p2p.ChannelID(channelID1): {
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MsgType: new(ssproto.Message),
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Descriptor: &p2p.ChannelDescriptor{
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ID: channelID1,
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Priority: 3,
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SendQueueCapacity: 10,
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RecvMessageCapacity: int(4e6),
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},
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},
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p2p.ChannelID(channelID2): {
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MsgType: new(ssproto.Message),
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Descriptor: &p2p.ChannelDescriptor{
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ID: channelID2,
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Priority: 1,
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SendQueueCapacity: 4,
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RecvMessageCapacity: int(16e6),
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},
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},
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}
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)
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type reactorShimTestSuite struct {
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shim *p2p.ReactorShim
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sw *p2p.Switch
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}
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func setup(t *testing.T, peers []p2p.Peer) *reactorShimTestSuite {
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t.Helper()
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rts := &reactorShimTestSuite{
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shim: p2p.NewReactorShim("TestShim", testChannelShims),
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}
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rts.sw = p2p.MakeSwitch(p2pCfg, 1, "testing", "123.123.123", func(_ int, sw *p2p.Switch) *p2p.Switch {
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for _, peer := range peers {
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p2p.AddPeerToSwitchPeerSet(sw, peer)
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}
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sw.AddReactor(rts.shim.Name, rts.shim)
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return sw
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})
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// start the reactor shim
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require.NoError(t, rts.shim.Start())
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t.Cleanup(func() {
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require.NoError(t, rts.shim.Stop())
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for _, chs := range rts.shim.Channels {
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chs.Channel.Close()
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}
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})
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return rts
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}
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func simplePeer(t *testing.T, id string) (*p2pmocks.Peer, p2p.PeerID) {
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t.Helper()
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peer := &p2pmocks.Peer{}
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peer.On("ID").Return(p2p.ID(id))
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pID, err := p2p.PeerIDFromString(string(peer.ID()))
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require.NoError(t, err)
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return peer, pID
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}
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func TestReactorShim_GetChannel(t *testing.T) {
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rts := setup(t, nil)
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p2pCh := rts.shim.GetChannel(p2p.ChannelID(channelID1))
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require.NotNil(t, p2pCh)
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require.Equal(t, p2pCh.ID(), p2p.ChannelID(channelID1))
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p2pCh = rts.shim.GetChannel(p2p.ChannelID(byte(0x03)))
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require.Nil(t, p2pCh)
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}
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func TestReactorShim_GetChannels(t *testing.T) {
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rts := setup(t, nil)
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p2pChs := rts.shim.GetChannels()
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require.Len(t, p2pChs, 2)
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require.Equal(t, p2p.ChannelID(p2pChs[0].ID), p2p.ChannelID(channelID1))
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require.Equal(t, p2p.ChannelID(p2pChs[1].ID), p2p.ChannelID(channelID2))
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}
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func TestReactorShim_AddPeer(t *testing.T) {
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peerA, peerIDA := simplePeer(t, "aa")
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rts := setup(t, []p2p.Peer{peerA})
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var wg sync.WaitGroup
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wg.Add(1)
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var peerUpdate p2p.PeerUpdate
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go func() {
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peerUpdate = <-rts.shim.PeerUpdates.Updates()
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wg.Done()
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}()
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rts.shim.AddPeer(peerA)
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wg.Wait()
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require.Equal(t, peerIDA, peerUpdate.PeerID)
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require.Equal(t, p2p.PeerStatusUp, peerUpdate.Status)
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}
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func TestReactorShim_RemovePeer(t *testing.T) {
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peerA, peerIDA := simplePeer(t, "aa")
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rts := setup(t, []p2p.Peer{peerA})
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var wg sync.WaitGroup
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wg.Add(1)
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var peerUpdate p2p.PeerUpdate
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go func() {
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peerUpdate = <-rts.shim.PeerUpdates.Updates()
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wg.Done()
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}()
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rts.shim.RemovePeer(peerA, "test reason")
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wg.Wait()
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require.Equal(t, peerIDA, peerUpdate.PeerID)
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require.Equal(t, p2p.PeerStatusDown, peerUpdate.Status)
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}
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func TestReactorShim_Receive(t *testing.T) {
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peerA, peerIDA := simplePeer(t, "aa")
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rts := setup(t, []p2p.Peer{peerA})
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msg := &ssproto.Message{
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Sum: &ssproto.Message_ChunkRequest{
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ChunkRequest: &ssproto.ChunkRequest{Height: 1, Format: 1, Index: 1},
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},
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}
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bz, err := proto.Marshal(msg)
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require.NoError(t, err)
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var wg sync.WaitGroup
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var response *ssproto.Message
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peerA.On("Send", channelID1, mock.Anything).Run(func(args mock.Arguments) {
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m := &ssproto.Message{}
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require.NoError(t, proto.Unmarshal(args[1].([]byte), m))
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response = m
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wg.Done()
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}).Return(true)
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p2pCh := rts.shim.Channels[p2p.ChannelID(channelID1)]
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wg.Add(2)
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// Simulate receiving the envelope in some real reactor and replying back with
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// the same envelope and then closing the Channel.
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go func() {
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e := <-p2pCh.Channel.In()
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require.Equal(t, peerIDA, e.From)
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require.NotNil(t, e.Message)
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p2pCh.Channel.Out() <- p2p.Envelope{To: e.From, Message: e.Message}
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p2pCh.Channel.Close()
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wg.Done()
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}()
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rts.shim.Receive(channelID1, peerA, bz)
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// wait until the mock peer called Send and we (fake) proxied the envelope
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wg.Wait()
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require.NotNil(t, response)
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m, err := response.Unwrap()
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require.NoError(t, err)
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require.Equal(t, msg.GetChunkRequest(), m)
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// Since p2pCh was closed in the simulated reactor above, calling Receive
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// should not block.
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rts.shim.Receive(channelID1, peerA, bz)
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require.Empty(t, p2pCh.Channel.In())
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peerA.AssertExpectations(t)
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}
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