Files
netbird/client/internal/rosenpass/cache_test.go

63 lines
1.8 KiB
Go

package rosenpass
import (
"bytes"
"testing"
"github.com/stretchr/testify/require"
)
func newCacheTestManager(spk []byte) *Manager {
return &Manager{
spk: spk,
remotePubKeys: make(map[string][]byte),
remoteHasLocalKey: make(map[string]bool),
}
}
func TestResolveRemotePubKey(t *testing.T) {
m := newCacheTestManager([]byte{0x01, 0x02})
full := bytes.Repeat([]byte{0xAB}, 64)
// a received full key is cached and returned
require.Equal(t, full, m.ResolveRemotePubKey("peerA", full, nil))
// a later hash-only message resolves from the cache
require.Equal(t, full, m.ResolveRemotePubKey("peerA", nil, rawRosenpassKeyHash(full)))
// hash mismatch is a cache miss
require.Nil(t, m.ResolveRemotePubKey("peerA", nil, bytes.Repeat([]byte{0x01}, 32)))
// no key and no hash (remote without Rosenpass) resolves to nil
require.Nil(t, m.ResolveRemotePubKey("peerB", nil, nil))
}
func TestRemotePubKeyAck(t *testing.T) {
m := newCacheTestManager([]byte{0x01})
// unknown peer -> no ack (signals "send me the full key")
require.Nil(t, m.RemotePubKeyAck("peerA"))
full := bytes.Repeat([]byte{0x09}, 48)
m.ResolveRemotePubKey("peerA", full, nil)
require.Equal(t, rawRosenpassKeyHash(full), m.RemotePubKeyAck("peerA"))
}
func TestSetRemoteAckAndRemoteHasLocalKey(t *testing.T) {
m := newCacheTestManager(bytes.Repeat([]byte{0x07}, 100))
require.False(t, m.RemoteHasLocalKey("peerA"))
// an ack matching our own key hash marks the peer as holding our key
m.SetRemoteAck("peerA", m.LocalPubKeyHash())
require.True(t, m.RemoteHasLocalKey("peerA"))
// empty ack clears it
m.SetRemoteAck("peerA", nil)
require.False(t, m.RemoteHasLocalKey("peerA"))
// a non-matching ack does not count
m.SetRemoteAck("peerA", bytes.Repeat([]byte{0x01}, 32))
require.False(t, m.RemoteHasLocalKey("peerA"))
}