ceremonyclient/go-libp2p-kad-dht/netsize/netsize_test.go

45 lines
1.1 KiB
Go

package netsize
import (
"testing"
"time"
kbucket "github.com/libp2p/go-libp2p-kbucket"
pt "github.com/libp2p/go-libp2p/core/test"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
ks "github.com/whyrusleeping/go-keyspace"
)
func TestNewEstimator(t *testing.T) {
bucketSize := 20
pid, err := pt.RandPeerID()
require.NoError(t, err)
rt, err := kbucket.NewRoutingTable(bucketSize, kbucket.ConvertPeerID(pid), time.Second, nil, time.Second, nil)
require.NoError(t, err)
e := NewEstimator(pid, rt, bucketSize)
assert.Equal(t, rt, e.rt)
assert.Equal(t, kbucket.ConvertPeerID(pid), e.localID)
assert.Len(t, e.measurements, bucketSize)
assert.Equal(t, invalidEstimate, e.netSizeCache)
}
func TestNormedDistance(t *testing.T) {
pid, err := pt.RandPeerID()
require.NoError(t, err)
dist := NormedDistance(pid, ks.XORKeySpace.Key([]byte(pid)))
assert.Zero(t, dist)
pid2, err := pt.RandPeerID()
require.NoError(t, err)
dist = NormedDistance(pid, ks.XORKeySpace.Key([]byte(pid2)))
assert.Greater(t, 1.0, dist)
assert.Less(t, dist, 1.0)
}