440 lines
10 KiB
Go
440 lines
10 KiB
Go
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package tests
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import (
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"bytes"
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"context"
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"crypto/ecdsa"
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"crypto/rand"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"math"
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"math/big"
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"net"
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"net/url"
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"strconv"
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"strings"
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"sync"
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"testing"
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"time"
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"unicode/utf8"
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"github.com/waku-org/go-waku/waku/v2/protocol"
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gcrypto "github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/p2p/enr"
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"github.com/libp2p/go-libp2p"
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"github.com/libp2p/go-libp2p/config"
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"github.com/libp2p/go-libp2p/core/crypto"
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libp2pcrypto "github.com/libp2p/go-libp2p/core/crypto"
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"github.com/libp2p/go-libp2p/core/host"
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"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
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"github.com/multiformats/go-multiaddr"
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"github.com/stretchr/testify/require"
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"github.com/waku-org/go-waku/waku/v2/peerstore"
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wenr "github.com/waku-org/go-waku/waku/v2/protocol/enr"
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"github.com/waku-org/go-waku/waku/v2/protocol/pb"
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"github.com/waku-org/go-waku/waku/v2/utils"
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"go.uber.org/zap"
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)
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type StringGenerator func(maxLength int) (string, error)
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// GetHostAddress returns the first listen address used by a host
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func GetHostAddress(ha host.Host) multiaddr.Multiaddr {
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return ha.Addrs()[0]
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}
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// Returns a full multiaddr of host appended by peerID
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func GetAddr(h host.Host) multiaddr.Multiaddr {
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id, _ := multiaddr.NewMultiaddr(fmt.Sprintf("/p2p/%s", h.ID().String()))
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var selectedAddr multiaddr.Multiaddr
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//For now skipping circuit relay addresses as libp2p seems to be returning empty p2p-circuit addresses.
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for _, addr := range h.Network().ListenAddresses() {
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if strings.Contains(addr.String(), "p2p-circuit") {
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continue
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}
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selectedAddr = addr
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break
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}
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return selectedAddr.Encapsulate(id)
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}
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// FindFreePort returns an available port number
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func FindFreePort(t *testing.T, host string, maxAttempts int) (int, error) {
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t.Helper()
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if host == "" {
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host = "localhost"
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}
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for i := 0; i < maxAttempts; i++ {
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addr, err := net.ResolveTCPAddr("tcp", net.JoinHostPort(host, "0"))
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if err != nil {
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t.Logf("unable to resolve tcp addr: %v", err)
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continue
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}
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l, err := net.ListenTCP("tcp", addr)
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if err != nil {
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l.Close()
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t.Logf("unable to listen on addr %q: %v", addr, err)
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continue
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}
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port := l.Addr().(*net.TCPAddr).Port
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l.Close()
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return port, nil
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}
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return 0, fmt.Errorf("no free port found")
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}
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// FindFreePort returns an available port number
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func FindFreeUDPPort(t *testing.T, host string, maxAttempts int) (int, error) {
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t.Helper()
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if host == "" {
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host = "localhost"
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}
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for i := 0; i < maxAttempts; i++ {
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addr, err := net.ResolveUDPAddr("udp", net.JoinHostPort(host, "0"))
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if err != nil {
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t.Logf("unable to resolve tcp addr: %v", err)
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continue
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}
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l, err := net.ListenUDP("udp", addr)
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if err != nil {
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l.Close()
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t.Logf("unable to listen on addr %q: %v", addr, err)
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continue
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}
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port := l.LocalAddr().(*net.UDPAddr).Port
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l.Close()
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return port, nil
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}
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return 0, fmt.Errorf("no free port found")
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}
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// MakeHost creates a Libp2p host with a random key on a specific port
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func MakeHost(ctx context.Context, port int, randomness io.Reader) (host.Host, error) {
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// Creates a new RSA key pair for this host.
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prvKey, _, err := crypto.GenerateKeyPairWithReader(crypto.RSA, 2048, randomness)
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if err != nil {
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log.Error(err.Error())
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return nil, err
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}
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// 0.0.0.0 will listen on any interface device.
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sourceMultiAddr, err := multiaddr.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", port))
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if err != nil {
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return nil, err
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}
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ps, err := pstoremem.NewPeerstore()
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if err != nil {
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return nil, err
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}
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psWrapper := peerstore.NewWakuPeerstore(ps)
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if err != nil {
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return nil, err
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}
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// libp2p.New constructs a new libp2p Host.
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// Other options can be added here.
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return libp2p.New(
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libp2p.Peerstore(psWrapper),
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libp2p.ListenAddrs(sourceMultiAddr),
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libp2p.Identity(prvKey),
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)
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}
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// CreateWakuMessage creates a WakuMessage protobuffer with default values and a custom contenttopic and timestamp
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func CreateWakuMessage(contentTopic string, timestamp *int64, optionalPayload ...string) *pb.WakuMessage {
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var payload []byte
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if len(optionalPayload) > 0 {
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payload = []byte(optionalPayload[0])
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} else {
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payload = []byte{1, 2, 3}
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}
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return &pb.WakuMessage{Payload: payload, ContentTopic: contentTopic, Timestamp: timestamp}
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}
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// RandomHex returns a random hex string of n bytes
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func RandomHex(n int) (string, error) {
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bytes := make([]byte, n)
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if _, err := rand.Read(bytes); err != nil {
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return "", err
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}
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return hex.EncodeToString(bytes), nil
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}
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func NewLocalnode(priv *ecdsa.PrivateKey, ipAddr *net.TCPAddr, udpPort int, wakuFlags wenr.WakuEnrBitfield, advertiseAddr *net.IP, log *zap.Logger) (*enode.LocalNode, error) {
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db, err := enode.OpenDB("")
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if err != nil {
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return nil, err
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}
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localnode := enode.NewLocalNode(db, priv)
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localnode.SetFallbackUDP(udpPort)
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localnode.Set(enr.WithEntry(wenr.WakuENRField, wakuFlags))
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localnode.SetFallbackIP(net.IP{127, 0, 0, 1})
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localnode.SetStaticIP(ipAddr.IP)
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if udpPort > 0 && udpPort <= math.MaxUint16 {
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localnode.Set(enr.UDP(uint16(udpPort))) // lgtm [go/incorrect-integer-conversion]
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} else {
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log.Error("setting udpPort", zap.Int("port", udpPort))
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}
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if ipAddr.Port > 0 && ipAddr.Port <= math.MaxUint16 {
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localnode.Set(enr.TCP(uint16(ipAddr.Port))) // lgtm [go/incorrect-integer-conversion]
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} else {
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log.Error("setting tcpPort", zap.Int("port", ipAddr.Port))
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}
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if advertiseAddr != nil {
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localnode.SetStaticIP(*advertiseAddr)
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}
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return localnode, nil
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}
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func CreateHost(t *testing.T, opts ...config.Option) (host.Host, int, *ecdsa.PrivateKey) {
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privKey, err := gcrypto.GenerateKey()
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require.NoError(t, err)
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sPrivKey := libp2pcrypto.PrivKey(utils.EcdsaPrivKeyToSecp256k1PrivKey(privKey))
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port, err := FindFreePort(t, "127.0.0.1", 3)
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require.NoError(t, err)
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sourceMultiAddr, err := multiaddr.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", port))
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require.NoError(t, err)
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opts = append(opts, libp2p.ListenAddrs(sourceMultiAddr),
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libp2p.Identity(sPrivKey))
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host, err := libp2p.New(opts...)
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require.NoError(t, err)
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return host, port, privKey
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}
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func ExtractIP(addr multiaddr.Multiaddr) (*net.TCPAddr, error) {
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ipStr, err := addr.ValueForProtocol(multiaddr.P_IP4)
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if err != nil {
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return nil, err
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}
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portStr, err := addr.ValueForProtocol(multiaddr.P_TCP)
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if err != nil {
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return nil, err
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}
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port, err := strconv.Atoi(portStr)
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if err != nil {
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return nil, err
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}
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return &net.TCPAddr{
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IP: net.ParseIP(ipStr),
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Port: port,
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}, nil
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}
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func RandomInt(min, max int) (int, error) {
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n, err := rand.Int(rand.Reader, big.NewInt(int64(max-min+1)))
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if err != nil {
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return 0, err
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}
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return min + int(n.Int64()), nil
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}
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func RandomBytes(n int) ([]byte, error) {
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b := make([]byte, n)
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_, err := rand.Read(b)
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if err != nil {
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return nil, err
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}
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return b, nil
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}
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func GenerateRandomASCIIString(maxLength int) (string, error) {
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length, err := rand.Int(rand.Reader, big.NewInt(int64(maxLength)))
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if err != nil {
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return "", err
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}
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length.SetInt64(length.Int64() + 1)
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const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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result := make([]byte, length.Int64())
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for i := range result {
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num, err := rand.Int(rand.Reader, big.NewInt(int64(len(chars))))
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if err != nil {
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return "", err
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}
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result[i] = chars[num.Int64()]
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}
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return string(result), nil
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}
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func GenerateRandomUTF8String(maxLength int) (string, error) {
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length, err := rand.Int(rand.Reader, big.NewInt(int64(maxLength)))
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if err != nil {
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return "", err
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}
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length.SetInt64(length.Int64() + 1)
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var (
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runes []rune
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start, end int
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)
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// Define unicode range
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start = 0x0020 // Space character
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end = 0x007F // Tilde (~)
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for i := 0; int64(i) < length.Int64(); i++ {
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randNum, err := rand.Int(rand.Reader, big.NewInt(int64(end-start+1)))
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if err != nil {
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return "", err
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}
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char := rune(start + int(randNum.Int64()))
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if !utf8.ValidRune(char) {
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continue
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}
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runes = append(runes, char)
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}
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return string(runes), nil
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}
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func GenerateRandomJSONString(maxLength int) (string, error) {
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// With 5 key-value pairs
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m := make(map[string]interface{})
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for i := 0; i < 5; i++ {
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key, err := GenerateRandomASCIIString(20)
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if err != nil {
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return "", err
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}
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value, err := GenerateRandomASCIIString(maxLength)
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if err != nil {
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return "", err
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}
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m[key] = value
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}
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// Marshal the map into a JSON string
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var buf bytes.Buffer
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encoder := json.NewEncoder(&buf)
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encoder.SetEscapeHTML(false)
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err := encoder.Encode(m)
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if err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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func GenerateRandomBase64String(maxLength int) (string, error) {
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bytes, err := RandomBytes(maxLength)
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if err != nil {
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return "", err
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}
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return base64.StdEncoding.EncodeToString(bytes), nil
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}
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func GenerateRandomURLEncodedString(maxLength int) (string, error) {
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randomString, err := GenerateRandomASCIIString(maxLength)
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if err != nil {
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return "", err
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}
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// URL-encode the random string
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return url.QueryEscape(randomString), nil
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}
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func GenerateRandomSQLInsert(maxLength int) (string, error) {
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// Random table name
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tableName, err := GenerateRandomASCIIString(10)
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if err != nil {
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return "", err
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}
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// Random column names
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columnCount, err := RandomInt(3, 6)
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if err != nil {
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return "", err
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|
}
|
||
|
|
columnNames := make([]string, columnCount)
|
||
|
|
for i := 0; i < columnCount; i++ {
|
||
|
|
columnName, err := GenerateRandomASCIIString(maxLength)
|
||
|
|
if err != nil {
|
||
|
|
return "", err
|
||
|
|
}
|
||
|
|
columnNames[i] = columnName
|
||
|
|
}
|
||
|
|
|
||
|
|
// Random values
|
||
|
|
values := make([]string, columnCount)
|
||
|
|
for i := 0; i < columnCount; i++ {
|
||
|
|
value, err := GenerateRandomASCIIString(maxLength)
|
||
|
|
if err != nil {
|
||
|
|
return "", err
|
||
|
|
}
|
||
|
|
values[i] = "'" + value + "'"
|
||
|
|
}
|
||
|
|
|
||
|
|
query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s);",
|
||
|
|
tableName,
|
||
|
|
strings.Join(columnNames, ", "),
|
||
|
|
strings.Join(values, ", "))
|
||
|
|
|
||
|
|
return query, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func WaitForMsg(t *testing.T, timeout time.Duration, wg *sync.WaitGroup, ch chan *protocol.Envelope) {
|
||
|
|
wg.Add(1)
|
||
|
|
log := utils.Logger()
|
||
|
|
go func() {
|
||
|
|
defer wg.Done()
|
||
|
|
select {
|
||
|
|
case env := <-ch:
|
||
|
|
msg := env.Message()
|
||
|
|
log.Info("Received ", zap.String("msg", msg.String()))
|
||
|
|
case <-time.After(timeout):
|
||
|
|
require.Fail(t, "Message timeout")
|
||
|
|
}
|
||
|
|
}()
|
||
|
|
wg.Wait()
|
||
|
|
}
|
||
|
|
|
||
|
|
func WaitForTimeout(t *testing.T, ctx context.Context, timeout time.Duration, wg *sync.WaitGroup, ch chan *protocol.Envelope) {
|
||
|
|
wg.Add(1)
|
||
|
|
go func() {
|
||
|
|
defer wg.Done()
|
||
|
|
select {
|
||
|
|
case _, ok := <-ch:
|
||
|
|
require.False(t, ok, "should not retrieve message")
|
||
|
|
case <-time.After(timeout):
|
||
|
|
// All good
|
||
|
|
case <-ctx.Done():
|
||
|
|
require.Fail(t, "test exceeded allocated time")
|
||
|
|
}
|
||
|
|
}()
|
||
|
|
|
||
|
|
wg.Wait()
|
||
|
|
}
|