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99 lines
2.7 KiB
99 lines
2.7 KiB
package p2p
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import (
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"context"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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dbm "github.com/tendermint/tm-db"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/types"
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)
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func TestPeerScoring(t *testing.T) {
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// coppied from p2p_test shared variables
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selfKey := ed25519.GenPrivKeyFromSecret([]byte{0xf9, 0x1b, 0x08, 0xaa, 0x38, 0xee, 0x34, 0xdd})
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selfID := types.NodeIDFromPubKey(selfKey.PubKey())
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// create a mock peer manager
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db := dbm.NewMemDB()
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peerManager, err := NewPeerManager(selfID, db, PeerManagerOptions{})
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require.NoError(t, err)
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// create a fake node
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id := types.NodeID(strings.Repeat("a1", 20))
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added, err := peerManager.Add(NodeAddress{NodeID: id, Protocol: "memory"})
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require.NoError(t, err)
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require.True(t, added)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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t.Run("Synchronous", func(t *testing.T) {
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// update the manager and make sure it's correct
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require.EqualValues(t, 0, peerManager.Scores()[id])
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// add a bunch of good status updates and watch things increase.
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for i := 1; i < 10; i++ {
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peerManager.processPeerEvent(ctx, PeerUpdate{
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NodeID: id,
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Status: PeerStatusGood,
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})
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require.EqualValues(t, i, peerManager.Scores()[id])
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}
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// watch the corresponding decreases respond to update
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for i := 10; i == 0; i-- {
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peerManager.processPeerEvent(ctx, PeerUpdate{
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NodeID: id,
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Status: PeerStatusBad,
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})
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require.EqualValues(t, i, peerManager.Scores()[id])
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}
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})
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t.Run("AsynchronousIncrement", func(t *testing.T) {
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start := peerManager.Scores()[id]
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pu := peerManager.Subscribe(ctx)
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pu.SendUpdate(ctx, PeerUpdate{
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NodeID: id,
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Status: PeerStatusGood,
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})
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require.Eventually(t,
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func() bool { return start+1 == peerManager.Scores()[id] },
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time.Second,
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time.Millisecond,
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"startAt=%d score=%d", start, peerManager.Scores()[id])
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})
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t.Run("AsynchronousDecrement", func(t *testing.T) {
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start := peerManager.Scores()[id]
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pu := peerManager.Subscribe(ctx)
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pu.SendUpdate(ctx, PeerUpdate{
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NodeID: id,
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Status: PeerStatusBad,
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})
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require.Eventually(t,
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func() bool { return start-1 == peerManager.Scores()[id] },
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time.Second,
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time.Millisecond,
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"startAt=%d score=%d", start, peerManager.Scores()[id])
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})
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t.Run("TestNonPersistantPeerUpperBound", func(t *testing.T) {
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start := int64(peerManager.Scores()[id] + 1)
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for i := start; i <= int64(PeerScorePersistent); i++ {
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peerManager.processPeerEvent(ctx, PeerUpdate{
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NodeID: id,
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Status: PeerStatusGood,
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})
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if i == int64(PeerScorePersistent) {
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require.EqualValues(t, MaxPeerScoreNotPersistent, peerManager.Scores()[id])
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} else {
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require.EqualValues(t, i, peerManager.Scores()[id])
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}
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}
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})
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}
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