net: disable use of external listen along with other external network uses

By default the all.bash tests must not ever announce
on an external address.  It's not just an OS X issue.

R=golang-dev, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/5753067

src/pkg/net/dial_test.go

@@ -32,7 +32,7 @@ func TestDialTimeout(t *testing.T) {
 	numConns := listenerBacklog + 10
 
 	// TODO(bradfitz): It's hard to test this in a portable
-	// way. This is unforunate, but works for now.
+	// way. This is unfortunate, but works for now.
 	switch runtime.GOOS {
 	case "linux":
 		// The kernel will start accepting TCP connections before userspace

src/pkg/net/net_test.go

@@ -11,14 +11,6 @@ import (
 	"time"
 )
 
-// avoidOSXFirewallDialogPopup avoids OS X, former konwn as MacOS X,
-// firewall dialog popups during tests.  It looks like OS X checks
-// wildcard listens by default for security reasons.  A listen with
-// specific address doesn't make dialog popups for now.
-var avoidOSXFirewallDialogPopup = func() bool {
-	return testing.Short() && runtime.GOOS == "darwin"
-}
-
 func TestShutdown(t *testing.T) {
 	if runtime.GOOS == "plan9" {
 		t.Logf("skipping test on %q", runtime.GOOS)

src/pkg/net/server_test.go

@@ -28,7 +28,7 @@ func skipServerTest(net, unixsotype, addr string, ipv6, ipv4map, linuxonly bool)
 	}
 	switch addr {
 	case "", "0.0.0.0", "[::ffff:0.0.0.0]", "[::]":
-		if avoidOSXFirewallDialogPopup() {
+		if testing.Short() || !*testExternal {
 			return true
 		}
 	}

src/pkg/net/unicast_test.go

@@ -50,7 +50,7 @@ func TestTCPListener(t *testing.T) {
 	}
 
 	for _, tt := range listenerTests {
-		if tt.wildcard && avoidOSXFirewallDialogPopup() {
+		if tt.wildcard && (testing.Short() || !*testExternal) {
 			continue
 		}
 		if tt.ipv6 && !supportsIPv6 {
@@ -98,7 +98,7 @@ func TestUDPListener(t *testing.T) {
 	}
 
 	for _, tt := range listenerTests {
-		if tt.wildcard && avoidOSXFirewallDialogPopup() {
+		if tt.wildcard && (testing.Short() || !*testExternal) {
 			continue
 		}
 		if tt.ipv6 && !supportsIPv6 {
@@ -132,7 +132,7 @@ func TestSimpleTCPListener(t *testing.T) {
 	}
 
 	for _, tt := range listenerTests {
-		if tt.wildcard && avoidOSXFirewallDialogPopup() {
+		if tt.wildcard && (testing.Short() || !*testExternal) {
 			continue
 		}
 		if tt.ipv6 {
@@ -170,7 +170,7 @@ func TestSimpleUDPListener(t *testing.T) {
 	}
 
 	for _, tt := range listenerTests {
-		if tt.wildcard && avoidOSXFirewallDialogPopup() {
+		if tt.wildcard && (testing.Short() || !*testExternal) {
 			continue
 		}
 		if tt.ipv6 {
@@ -267,7 +267,7 @@ func TestDualStackTCPListener(t *testing.T) {
 	}
 
 	for _, tt := range dualStackListenerTests {
-		if tt.wildcard && avoidOSXFirewallDialogPopup() {
+		if tt.wildcard && (testing.Short() || !*testExternal) {
 			continue
 		}
 		switch runtime.GOOS {
@@ -316,7 +316,7 @@ func TestDualStackUDPListener(t *testing.T) {
 	}
 
 	for _, tt := range dualStackListenerTests {
-		if tt.wildcard && avoidOSXFirewallDialogPopup() {
+		if tt.wildcard && (testing.Short() || !*testExternal) {
 			continue
 		}
 		tt.net1 = toudpnet(tt.net1)
@@ -531,7 +531,7 @@ func TestProhibitionaryDialArgs(t *testing.T) {
 		return
 	}
 	// This test requires both IPv6 and IPv6 IPv4-mapping functionality.
-	if !supportsIPv4map || avoidOSXFirewallDialogPopup() {
+	if !supportsIPv4map || testing.Short() || !*testExternal {
 		return
 	}