test: add test for webrtc-direct

lib/identify_test.go

@@ -12,6 +12,7 @@ import (
 	tls "github.com/libp2p/go-libp2p/p2p/security/tls"
 	quic "github.com/libp2p/go-libp2p/p2p/transport/quic"
 	"github.com/libp2p/go-libp2p/p2p/transport/tcp"
+	libp2pwebrtc "github.com/libp2p/go-libp2p/p2p/transport/webrtc"
 	ws "github.com/libp2p/go-libp2p/p2p/transport/websocket"
 	"github.com/multiformats/go-multiaddr"
 )
@@ -146,4 +147,14 @@ func TestDiscoverPeerID(t *testing.T) {
 		}
 		runTest(t, h)
 	})
+	t.Run("webrtc", func(t *testing.T) {
+		h, err := libp2p.New(
+			libp2p.Transport(libp2pwebrtc.New),
+			libp2p.ListenAddrStrings("/ip4/0.0.0.0/udp/0/webrtc-direct"),
+		)
+		if err != nil {
+			t.Fatal(err)
+		}
+		runTest(t, h)
+	})
 }