go-libp2p/p2p/host/basic/basic_host_test.go

64 lines
1.4 KiB
Go

package basichost_test
import (
"bytes"
"io"
"testing"
inet "github.com/ipfs/go-libp2p/p2p/net"
protocol "github.com/ipfs/go-libp2p/p2p/protocol"
testutil "github.com/ipfs/go-libp2p/p2p/test/util"
context "QmacZi9WygGK7Me8mH53pypyscHzU386aUZXpr28GZgUct/context"
)
func TestHostSimple(t *testing.T) {
ctx := context.Background()
h1 := testutil.GenHostSwarm(t, ctx)
h2 := testutil.GenHostSwarm(t, ctx)
defer h1.Close()
defer h2.Close()
h2pi := h2.Peerstore().PeerInfo(h2.ID())
if err := h1.Connect(ctx, h2pi); err != nil {
t.Fatal(err)
}
piper, pipew := io.Pipe()
h2.SetStreamHandler(protocol.TestingID, func(s inet.Stream) {
defer s.Close()
w := io.MultiWriter(s, pipew)
io.Copy(w, s) // mirror everything
})
s, err := h1.NewStream(protocol.TestingID, h2pi.ID)
if err != nil {
t.Fatal(err)
}
// write to the stream
buf1 := []byte("abcdefghijkl")
if _, err := s.Write(buf1); err != nil {
t.Fatal(err)
}
// get it from the stream (echoed)
buf2 := make([]byte, len(buf1))
if _, err := io.ReadFull(s, buf2); err != nil {
t.Fatal(err)
}
if !bytes.Equal(buf1, buf2) {
t.Fatal("buf1 != buf2 -- %x != %x", buf1, buf2)
}
// get it from the pipe (tee)
buf3 := make([]byte, len(buf1))
if _, err := io.ReadFull(piper, buf3); err != nil {
t.Fatal(err)
}
if !bytes.Equal(buf1, buf3) {
t.Fatal("buf1 != buf3 -- %x != %x", buf1, buf3)
}
}