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net: add a bit clarified multicast listener tests

Browse source 
Also adds -external flag to allow use of external networks on tests.

R=rsc
CC=golang-dev
https://golang.org/cl/5693043
This commit is contained in:
Mikio Hara 2012-02-23 12:16:43 +09:00
parent ebae73bb24
commit adbadf444d
4 changed files with 123 additions and 86 deletions
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4
src/pkg/net/dialgoogle_test.go
View file

@ -14,7 +14,7 @@ import (
)
// If an IPv6 tunnel is running, we can try dialing a real IPv6 address.
var ipv6 = flag.Bool("ipv6", false, "assume ipv6 tunnel is present")
var testIPv6 = flag.Bool("ipv6", false, "assume ipv6 tunnel is present")
// fd is already connected to the destination, port 80.
// Run an HTTP request to fetch the appropriate page.
@ -130,7 +130,7 @@ func TestDialGoogleIPv6(t *testing.T) {
return
}
// Only run tcp6 if the kernel will take it.
if !*ipv6 || !supportsIPv6 {
if !*testIPv6 || !supportsIPv6 {
return
}

12
src/pkg/net/lookup_test.go
View file

@ -8,14 +8,14 @@
package net
import (
"runtime"
"flag"
"testing"
)
var avoidMacFirewall = runtime.GOOS == "darwin"
var testExternal = flag.Bool("external", false, "allow use of external networks during test")
func TestGoogleSRV(t *testing.T) {
if testing.Short() || avoidMacFirewall {
if testing.Short() || !*testExternal {
t.Logf("skipping test to avoid external network")
return
}
@ -38,7 +38,7 @@ func TestGoogleSRV(t *testing.T) {
}
func TestGmailMX(t *testing.T) {
if testing.Short() || avoidMacFirewall {
if testing.Short() || !*testExternal {
t.Logf("skipping test to avoid external network")
return
}
@ -52,7 +52,7 @@ func TestGmailMX(t *testing.T) {
}
func TestGmailTXT(t *testing.T) {
if testing.Short() || avoidMacFirewall {
if testing.Short() || !*testExternal {
t.Logf("skipping test to avoid external network")
return
}
@ -66,7 +66,7 @@ func TestGmailTXT(t *testing.T) {
}
func TestGoogleDNSAddr(t *testing.T) {
if testing.Short() || avoidMacFirewall {
if testing.Short() || !*testExternal {
t.Logf("skipping test to avoid external network")
return
}

191
src/pkg/net/multicast_test.go
View file

@ -5,30 +5,46 @@
package net
import (
"errors"
"os"
"runtime"
"syscall"
"testing"
)
var listenMulticastUDPTests = []struct {
var multicastListenerTests = []struct {
net string
gaddr *UDPAddr
flags Flags
ipv6 bool
ipv6 bool // test with underlying AF_INET6 socket
}{
// cf. RFC 4727: Experimental Values in IPv4, IPv6, ICMPv4, ICMPv6, UDP, and TCP Headers
{"udp", &UDPAddr{IPv4(224, 0, 0, 254), 12345}, FlagUp | FlagLoopback, false},
{"udp4", &UDPAddr{IPv4(224, 0, 0, 254), 12345}, FlagUp | FlagLoopback, false},
{"udp", &UDPAddr{IPv4(224, 0, 0, 254), 12345}, 0, false},
{"udp", &UDPAddr{ParseIP("ff0e::114"), 12345}, FlagUp | FlagLoopback, true},
{"udp", &UDPAddr{ParseIP("ff0e::114"), 12345}, 0, true},
{"udp4", &UDPAddr{IPv4(224, 0, 0, 254), 12345}, FlagUp | FlagLoopback, false},
{"udp4", &UDPAddr{IPv4(224, 0, 0, 254), 12345}, 0, false},
{"udp6", &UDPAddr{ParseIP("ff01::114"), 12345}, FlagUp | FlagLoopback, true},
{"udp6", &UDPAddr{ParseIP("ff01::114"), 12345}, 0, true},
{"udp6", &UDPAddr{ParseIP("ff02::114"), 12345}, FlagUp | FlagLoopback, true},
{"udp6", &UDPAddr{ParseIP("ff02::114"), 12345}, 0, true},
{"udp6", &UDPAddr{ParseIP("ff04::114"), 12345}, FlagUp | FlagLoopback, true},
{"udp6", &UDPAddr{ParseIP("ff04::114"), 12345}, 0, true},
{"udp6", &UDPAddr{ParseIP("ff05::114"), 12345}, FlagUp | FlagLoopback, true},
{"udp6", &UDPAddr{ParseIP("ff05::114"), 12345}, 0, true},
{"udp6", &UDPAddr{ParseIP("ff08::114"), 12345}, FlagUp | FlagLoopback, true},
{"udp6", &UDPAddr{ParseIP("ff08::114"), 12345}, 0, true},
{"udp6", &UDPAddr{ParseIP("ff0e::114"), 12345}, FlagUp | FlagLoopback, true},
{"udp6", &UDPAddr{ParseIP("ff0e::114"), 12345}, 0, true},
}
func TestListenMulticastUDP(t *testing.T) {
// TestMulticastListener tests both single and double listen to a test
// listener with same address family, same group address and same port.
func TestMulticastListener(t *testing.T) {
switch runtime.GOOS {
case "netbsd", "openbsd", "plan9", "windows":
return
@ -38,118 +54,142 @@ func TestListenMulticastUDP(t *testing.T) {
}
}
for _, tt := range listenMulticastUDPTests {
for _, tt := range multicastListenerTests {
if tt.ipv6 && (!supportsIPv6 || os.Getuid() != 0) {
continue
}
ift, err := Interfaces()
ifi, err := availMulticastInterface(t, tt.flags)
if err != nil {
t.Fatalf("Interfaces failed: %v", err)
continue
}
var ifi *Interface
for _, x := range ift {
if x.Flags&tt.flags == tt.flags {
ifi = &x
break
}
}
if ifi == nil {
t.Logf("an appropriate multicast interface not found")
return
}
c, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
c1, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
if err != nil {
t.Fatalf("ListenMulticastUDP failed: %v", err)
t.Fatalf("First ListenMulticastUDP failed: %v", err)
}
defer c.Close() // test to listen concurrently across multiple listeners
if !tt.ipv6 {
testIPv4MulticastSocketOptions(t, c.fd, ifi)
} else {
testIPv6MulticastSocketOptions(t, c.fd, ifi)
}
ifmat, err := ifi.MulticastAddrs()
checkMulticastListener(t, err, c1, tt.gaddr)
c2, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
if err != nil {
t.Fatalf("MulticastAddrs failed: %v", err)
t.Fatalf("Second ListenMulticastUDP failed: %v", err)
}
var found bool
for _, ifma := range ifmat {
if ifma.(*IPAddr).IP.Equal(tt.gaddr.IP) {
found = true
break
}
}
if !found {
t.Fatalf("%q not found in RIB", tt.gaddr.String())
}
if c.LocalAddr().String() != tt.gaddr.String() {
t.Fatalf("LocalAddr returns %q, expected %q", c.LocalAddr().String(), tt.gaddr.String())
checkMulticastListener(t, err, c2, tt.gaddr)
c2.Close()
switch c1.fd.family {
case syscall.AF_INET:
testIPv4MulticastSocketOptions(t, c1.fd, ifi)
case syscall.AF_INET6:
testIPv6MulticastSocketOptions(t, c1.fd, ifi)
}
c1.Close()
}
}
func TestSimpleListenMulticastUDP(t *testing.T) {
func TestSimpleMulticastListener(t *testing.T) {
switch runtime.GOOS {
case "plan9":
return
}
for _, tt := range listenMulticastUDPTests {
for _, tt := range multicastListenerTests {
if tt.ipv6 {
continue
}
tt.flags = FlagUp | FlagMulticast
tt.flags = FlagUp | FlagMulticast // for windows testing
ifi, err := availMulticastInterface(t, tt.flags)
if err != nil {
continue
}
c1, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
if err != nil {
t.Fatalf("First ListenMulticastUDP failed: %v", err)
}
checkSimpleMulticastListener(t, err, c1, tt.gaddr)
c2, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
if err != nil {
t.Fatalf("Second ListenMulticastUDP failed: %v", err)
}
checkSimpleMulticastListener(t, err, c2, tt.gaddr)
c2.Close()
c1.Close()
}
}
func checkMulticastListener(t *testing.T, err error, c *UDPConn, gaddr *UDPAddr) {
if !multicastRIBContains(t, gaddr.IP) {
t.Fatalf("%q not found in RIB", gaddr.String())
}
if c.LocalAddr().String() != gaddr.String() {
t.Fatalf("LocalAddr returns %q, expected %q", c.LocalAddr().String(), gaddr.String())
}
}
func checkSimpleMulticastListener(t *testing.T, err error, c *UDPConn, gaddr *UDPAddr) {
if c.LocalAddr().String() != gaddr.String() {
t.Fatalf("LocalAddr returns %q, expected %q", c.LocalAddr().String(), gaddr.String())
}
}
func availMulticastInterface(t *testing.T, flags Flags) (*Interface, error) {
var ifi *Interface
if flags != Flags(0) {
ift, err := Interfaces()
if err != nil {
t.Fatalf("Interfaces failed: %v", err)
}
var ifi *Interface
for _, x := range ift {
if x.Flags&tt.flags == tt.flags {
if x.Flags&flags == flags {
ifi = &x
break
}
}
if ifi == nil {
t.Logf("an appropriate multicast interface not found")
return
return nil, errors.New("an appropriate multicast interface not found")
}
c, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
if err != nil {
t.Fatalf("ListenMulticastUDP failed: %v", err)
}
if c.LocalAddr().String() != tt.gaddr.String() {
t.Fatalf("LocalAddr returns %q, expected %q", c.LocalAddr().String(), tt.gaddr.String())
}
c.Close()
}
return ifi, nil
}
func multicastRIBContains(t *testing.T, ip IP) bool {
ift, err := Interfaces()
if err != nil {
t.Fatalf("Interfaces failed: %v", err)
}
for _, ifi := range ift {
ifmat, err := ifi.MulticastAddrs()
if err != nil {
t.Fatalf("MulticastAddrs failed: %v", err)
}
for _, ifma := range ifmat {
if ifma.(*IPAddr).IP.Equal(ip) {
return true
}
}
}
return false
}
func testIPv4MulticastSocketOptions(t *testing.T, fd *netFD, ifi *Interface) {
ifmc, err := ipv4MulticastInterface(fd)
_, err := ipv4MulticastInterface(fd)
if err != nil {
t.Fatalf("ipv4MulticastInterface failed: %v", err)
}
t.Logf("IPv4 multicast interface: %v", ifmc)
err = setIPv4MulticastInterface(fd, ifi)
if err != nil {
t.Fatalf("setIPv4MulticastInterface failed: %v", err)
if ifi != nil {
err = setIPv4MulticastInterface(fd, ifi)
if err != nil {
t.Fatalf("setIPv4MulticastInterface failed: %v", err)
}
}
ttl, err := ipv4MulticastTTL(fd)
_, err = ipv4MulticastTTL(fd)
if err != nil {
t.Fatalf("ipv4MulticastTTL failed: %v", err)
}
t.Logf("IPv4 multicast TTL: %v", ttl)
err = setIPv4MulticastTTL(fd, 1)
if err != nil {
t.Fatalf("setIPv4MulticastTTL failed: %v", err)
}
loop, err := ipv4MulticastLoopback(fd)
_, err = ipv4MulticastLoopback(fd)
if err != nil {
t.Fatalf("ipv4MulticastLoopback failed: %v", err)
}
t.Logf("IPv4 multicast loopback: %v", loop)
err = setIPv4MulticastLoopback(fd, false)
if err != nil {
t.Fatalf("setIPv4MulticastLoopback failed: %v", err)
@ -157,31 +197,28 @@ func testIPv4MulticastSocketOptions(t *testing.T, fd *netFD, ifi *Interface) {
}
func testIPv6MulticastSocketOptions(t *testing.T, fd *netFD, ifi *Interface) {
ifmc, err := ipv6MulticastInterface(fd)
_, err := ipv6MulticastInterface(fd)
if err != nil {
t.Fatalf("ipv6MulticastInterface failed: %v", err)
}
t.Logf("IPv6 multicast interface: %v", ifmc)
err = setIPv6MulticastInterface(fd, ifi)
if err != nil {
t.Fatalf("setIPv6MulticastInterface failed: %v", err)
if ifi != nil {
err = setIPv6MulticastInterface(fd, ifi)
if err != nil {
t.Fatalf("setIPv6MulticastInterface failed: %v", err)
}
}
hoplim, err := ipv6MulticastHopLimit(fd)
_, err = ipv6MulticastHopLimit(fd)
if err != nil {
t.Fatalf("ipv6MulticastHopLimit failed: %v", err)
}
t.Logf("IPv6 multicast hop limit: %v", hoplim)
err = setIPv6MulticastHopLimit(fd, 1)
if err != nil {
t.Fatalf("setIPv6MulticastHopLimit failed: %v", err)
}
loop, err := ipv6MulticastLoopback(fd)
_, err = ipv6MulticastLoopback(fd)
if err != nil {
t.Fatalf("ipv6MulticastLoopback failed: %v", err)
}
t.Logf("IPv6 multicast loopback: %v", loop)
err = setIPv6MulticastLoopback(fd, false)
if err != nil {
t.Fatalf("setIPv6MulticastLoopback failed: %v", err)

2
src/pkg/net/server_test.go
View file

@ -95,7 +95,7 @@ func doTest(t *testing.T, network, listenaddr, dialaddr string) {
t.Logf("Test %q %q %q", network, listenaddr, dialaddr)
switch listenaddr {
case "", "0.0.0.0", "[::]", "[::ffff:0.0.0.0]":
if testing.Short() || avoidMacFirewall {
if testing.Short() || !*testExternal {
t.Logf("skip wildcard listen during short test")
return
}