forked from multiformats/go-multiaddr-net
/
net_test.go
507 lines (418 loc) · 11 KB
/
net_test.go
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package manet
import (
"bytes"
"fmt"
"net"
"sync"
"testing"
ma "github.com/jbenet/go-multiaddr-net/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
)
func newMultiaddr(t *testing.T, m string) ma.Multiaddr {
maddr, err := ma.NewMultiaddr(m)
if err != nil {
t.Fatal("failed to construct multiaddr:", m, err)
}
return maddr
}
func TestDial(t *testing.T) {
listener, err := net.Listen("tcp", "127.0.0.1:4321")
if err != nil {
t.Fatal("failed to listen")
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
cB, err := listener.Accept()
if err != nil {
t.Fatal("failed to accept")
}
// echo out
buf := make([]byte, 1024)
for {
_, err := cB.Read(buf)
if err != nil {
break
}
cB.Write(buf)
}
wg.Done()
}()
maddr := newMultiaddr(t, "/ip4/127.0.0.1/tcp/4321")
cA, err := Dial(maddr)
if err != nil {
t.Fatal("failed to dial")
}
buf := make([]byte, 1024)
if _, err := cA.Write([]byte("beep boop")); err != nil {
t.Fatal("failed to write:", err)
}
if _, err := cA.Read(buf); err != nil {
t.Fatal("failed to read:", buf, err)
}
if !bytes.Equal(buf[:9], []byte("beep boop")) {
t.Fatal("failed to echo:", buf)
}
maddr2 := cA.RemoteMultiaddr()
if !maddr2.Equal(maddr) {
t.Fatal("remote multiaddr not equal:", maddr, maddr2)
}
cA.Close()
wg.Wait()
}
func TestListen(t *testing.T) {
maddr := newMultiaddr(t, "/ip4/127.0.0.1/tcp/4322")
listener, err := Listen(maddr)
if err != nil {
t.Fatal("failed to listen")
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
cB, err := listener.Accept()
if err != nil {
t.Fatal("failed to accept")
}
if !cB.LocalMultiaddr().Equal(maddr) {
t.Fatal("local multiaddr not equal:", maddr, cB.LocalMultiaddr())
}
// echo out
buf := make([]byte, 1024)
for {
_, err := cB.Read(buf)
if err != nil {
break
}
cB.Write(buf)
}
wg.Done()
}()
cA, err := net.Dial("tcp", "127.0.0.1:4322")
if err != nil {
t.Fatal("failed to dial")
}
buf := make([]byte, 1024)
if _, err := cA.Write([]byte("beep boop")); err != nil {
t.Fatal("failed to write:", err)
}
if _, err := cA.Read(buf); err != nil {
t.Fatal("failed to read:", buf, err)
}
if !bytes.Equal(buf[:9], []byte("beep boop")) {
t.Fatal("failed to echo:", buf)
}
maddr2, err := FromNetAddr(cA.RemoteAddr())
if err != nil {
t.Fatal("failed to convert", err)
}
if !maddr2.Equal(maddr) {
t.Fatal("remote multiaddr not equal:", maddr, maddr2)
}
cA.Close()
wg.Wait()
}
func TestListenAddrs(t *testing.T) {
test := func(addr, resaddr string, succeed bool) {
if resaddr == "" {
resaddr = addr
}
maddr := newMultiaddr(t, addr)
l, err := Listen(maddr)
if !succeed {
if err == nil {
t.Fatal("succeeded in listening", addr)
}
return
}
if succeed && err != nil {
t.Error("failed to listen", addr, err)
}
if l == nil {
t.Error("failed to listen", addr, succeed, err)
}
if l.Multiaddr().String() != resaddr {
t.Error("listen addr did not resolve properly", l.Multiaddr().String(), resaddr, succeed, err)
}
if err = l.Close(); err != nil {
t.Fatal("failed to close listener", addr, err)
}
}
test("/ip4/127.0.0.1/tcp/4324", "", true)
test("/ip4/127.0.0.1/udp/4325", "", false)
test("/ip4/127.0.0.1/udp/4326/udt", "", false)
test("/ip4/0.0.0.0/tcp/4324", "", true)
test("/ip4/0.0.0.0/udp/4325", "", false)
test("/ip4/0.0.0.0/udp/4326/udt", "", false)
test("/ip6/::1/tcp/4324", "", true)
test("/ip6/::1/udp/4325", "", false)
test("/ip6/::1/udp/4326/udt", "", false)
test("/ip6/::/tcp/4324", "", true)
test("/ip6/::/udp/4325", "", false)
test("/ip6/::/udp/4326/udt", "", false)
// test("/ip4/127.0.0.1/udp/4326/utp", true)
}
func TestListenAndDial(t *testing.T) {
maddr := newMultiaddr(t, "/ip4/127.0.0.1/tcp/4323")
listener, err := Listen(maddr)
if err != nil {
t.Fatal("failed to listen")
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
cB, err := listener.Accept()
if err != nil {
t.Fatal("failed to accept")
}
if !cB.LocalMultiaddr().Equal(maddr) {
t.Fatal("local multiaddr not equal:", maddr, cB.LocalMultiaddr())
}
// echo out
buf := make([]byte, 1024)
for {
_, err := cB.Read(buf)
if err != nil {
break
}
cB.Write(buf)
}
wg.Done()
}()
cA, err := Dial(newMultiaddr(t, "/ip4/127.0.0.1/tcp/4323"))
if err != nil {
t.Fatal("failed to dial")
}
buf := make([]byte, 1024)
if _, err := cA.Write([]byte("beep boop")); err != nil {
t.Fatal("failed to write:", err)
}
if _, err := cA.Read(buf); err != nil {
t.Fatal("failed to read:", buf, err)
}
if !bytes.Equal(buf[:9], []byte("beep boop")) {
t.Fatal("failed to echo:", buf)
}
maddr2 := cA.RemoteMultiaddr()
if !maddr2.Equal(maddr) {
t.Fatal("remote multiaddr not equal:", maddr, maddr2)
}
cA.Close()
wg.Wait()
}
func TestListenAndDialUTP(t *testing.T) {
t.Skip("utp is broken")
maddr := newMultiaddr(t, "/ip4/127.0.0.1/udp/4323/utp")
listener, err := Listen(maddr)
if err != nil {
t.Fatal("failed to listen")
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
cB, err := listener.Accept()
if err != nil {
t.Fatal("failed to accept")
}
if !cB.LocalMultiaddr().Equal(maddr) {
t.Fatal("local multiaddr not equal:", maddr, cB.LocalMultiaddr())
}
// echo out
buf := make([]byte, 1024)
for {
_, err := cB.Read(buf)
if err != nil {
break
}
cB.Write(buf)
}
wg.Done()
}()
cA, err := Dial(newMultiaddr(t, "/ip4/127.0.0.1/udp/4323/utp"))
if err != nil {
t.Fatal("failed to dial", err)
}
buf := make([]byte, 1024)
if _, err := cA.Write([]byte("beep boop")); err != nil {
t.Fatal("failed to write:", err)
}
if _, err := cA.Read(buf); err != nil {
t.Fatal("failed to read:", buf, err)
}
if !bytes.Equal(buf[:9], []byte("beep boop")) {
t.Fatal("failed to echo:", buf)
}
maddr2 := cA.RemoteMultiaddr()
if !maddr2.Equal(maddr) {
t.Fatal("remote multiaddr not equal:", maddr, maddr2)
}
cA.Close()
wg.Wait()
}
func TestIPLoopback(t *testing.T) {
if IP4Loopback.String() != "/ip4/127.0.0.1" {
t.Error("IP4Loopback incorrect:", IP4Loopback)
}
if IP6Loopback.String() != "/ip6/::1" {
t.Error("IP6Loopback incorrect:", IP6Loopback)
}
if IP6LinkLocalLoopback.String() != "/ip6/fe80::1" {
t.Error("IP6LinkLocalLoopback incorrect:", IP6Loopback)
}
if !IsIPLoopback(IP4Loopback) {
t.Error("IsIPLoopback failed (IP4Loopback)")
}
if !IsIPLoopback(IP6Loopback) {
t.Error("IsIPLoopback failed (IP6Loopback)")
}
if !IsIPLoopback(IP6LinkLocalLoopback) {
t.Error("IsIPLoopback failed (IP6LinkLocalLoopback)")
}
}
func TestIPUnspecified(t *testing.T) {
if IP4Unspecified.String() != "/ip4/0.0.0.0" {
t.Error("IP4Unspecified incorrect:", IP4Unspecified)
}
if IP6Unspecified.String() != "/ip6/::" {
t.Error("IP6Unspecified incorrect:", IP6Unspecified)
}
if !IsIPUnspecified(IP4Unspecified) {
t.Error("IsIPUnspecified failed (IP4Unspecified)")
}
if !IsIPUnspecified(IP6Unspecified) {
t.Error("IsIPUnspecified failed (IP6Unspecified)")
}
}
func TestIP6LinkLocal(t *testing.T) {
if !IsIP6LinkLocal(IP6LinkLocalLoopback) {
t.Error("IsIP6LinkLocal failed (IP6LinkLocalLoopback)")
}
for a := 0; a < 65536; a++ {
isLinkLocal := (a == 0xfe80)
m := newMultiaddr(t, fmt.Sprintf("/ip6/%x::1", a))
if IsIP6LinkLocal(m) != isLinkLocal {
t.Error("IsIP6LinkLocal failed (%s != %v)", m, isLinkLocal)
}
}
}
func TestConvertNetAddr(t *testing.T) {
m1 := newMultiaddr(t, "/ip4/1.2.3.4/tcp/4001")
n1, err := ToNetAddr(m1)
if err != nil {
t.Fatal(err)
}
m2, err := FromNetAddr(n1)
if err != nil {
t.Fatal(err)
}
if m1.String() != m2.String() {
t.Fatal("ToNetAddr + FromNetAddr did not work")
}
}
func TestWrapNetConn(t *testing.T) {
// test WrapNetConn nil
if _, err := WrapNetConn(nil); err == nil {
t.Error("WrapNetConn(nil) should return an error")
}
checkErr := func(err error, s string) {
if err != nil {
t.Fatal(s, err)
}
}
listener, err := net.Listen("tcp", "127.0.0.1:0")
checkErr(err, "failed to listen")
var wg sync.WaitGroup
defer wg.Wait()
wg.Add(1)
go func() {
defer wg.Done()
cB, err := listener.Accept()
checkErr(err, "failed to accept")
cB.Close()
}()
cA, err := net.Dial("tcp", listener.Addr().String())
checkErr(err, "failed to dial")
defer cA.Close()
lmaddr, err := FromNetAddr(cA.LocalAddr())
checkErr(err, "failed to get local addr")
rmaddr, err := FromNetAddr(cA.RemoteAddr())
checkErr(err, "failed to get remote addr")
mcA, err := WrapNetConn(cA)
checkErr(err, "failed to wrap conn")
if mcA.LocalAddr().String() != cA.LocalAddr().String() {
t.Error("wrapped conn local addr differs")
}
if mcA.RemoteAddr().String() != cA.RemoteAddr().String() {
t.Error("wrapped conn remote addr differs")
}
if mcA.LocalMultiaddr().String() != lmaddr.String() {
t.Error("wrapped conn local maddr differs")
}
if mcA.RemoteMultiaddr().String() != rmaddr.String() {
t.Error("wrapped conn remote maddr differs")
}
}
func TestAddrMatch(t *testing.T) {
test := func(m ma.Multiaddr, input, expect []ma.Multiaddr) {
actual := AddrMatch(m, input)
testSliceEqual(t, expect, actual)
}
a := []ma.Multiaddr{
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/2345"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/tcp/2345"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/tcp/2345"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/udp/1234"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/udp/1234"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/ip6/::1"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/ip6/::1"),
newMultiaddr(t, "/ip6/::1/tcp/1234"),
newMultiaddr(t, "/ip6/::1/tcp/2345"),
newMultiaddr(t, "/ip6/::1/tcp/1234/tcp/2345"),
newMultiaddr(t, "/ip6/::1/tcp/1234/tcp/2345"),
newMultiaddr(t, "/ip6/::1/tcp/1234/udp/1234"),
newMultiaddr(t, "/ip6/::1/tcp/1234/udp/1234"),
newMultiaddr(t, "/ip6/::1/tcp/1234/ip6/::1"),
newMultiaddr(t, "/ip6/::1/tcp/1234/ip6/::1"),
}
test(a[0], a, []ma.Multiaddr{
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/2345"),
})
test(a[2], a, []ma.Multiaddr{
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/tcp/2345"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/tcp/2345"),
})
test(a[4], a, []ma.Multiaddr{
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/udp/1234"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/udp/1234"),
})
test(a[6], a, []ma.Multiaddr{
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/ip6/::1"),
newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234/ip6/::1"),
})
test(a[8], a, []ma.Multiaddr{
newMultiaddr(t, "/ip6/::1/tcp/1234"),
newMultiaddr(t, "/ip6/::1/tcp/2345"),
})
test(a[10], a, []ma.Multiaddr{
newMultiaddr(t, "/ip6/::1/tcp/1234/tcp/2345"),
newMultiaddr(t, "/ip6/::1/tcp/1234/tcp/2345"),
})
test(a[12], a, []ma.Multiaddr{
newMultiaddr(t, "/ip6/::1/tcp/1234/udp/1234"),
newMultiaddr(t, "/ip6/::1/tcp/1234/udp/1234"),
})
test(a[14], a, []ma.Multiaddr{
newMultiaddr(t, "/ip6/::1/tcp/1234/ip6/::1"),
newMultiaddr(t, "/ip6/::1/tcp/1234/ip6/::1"),
})
}
func testSliceEqual(t *testing.T, a, b []ma.Multiaddr) {
if len(a) != len(b) {
t.Error("differ", a, b)
}
for i, addrA := range a {
if !addrA.Equal(b[i]) {
t.Error("differ", a, b)
}
}
}