wip: migrate to mono-repo. SPN has already been moved to spn/

service/network/netutils/ip_test.go

@@ -0,0 +1,51 @@
+package netutils
+
+import (
+	"net"
+	"testing"
+)
+
+func TestIPScope(t *testing.T) {
+	t.Parallel()
+
+	testScope(t, net.IPv4(71, 87, 113, 211), Global)
+	testScope(t, net.IPv4(127, 0, 0, 1), HostLocal)
+	testScope(t, net.IPv4(127, 255, 255, 1), HostLocal)
+	testScope(t, net.IPv4(192, 168, 172, 24), SiteLocal)
+	testScope(t, net.IPv4(172, 15, 1, 1), Global)
+	testScope(t, net.IPv4(172, 16, 1, 1), SiteLocal)
+	testScope(t, net.IPv4(172, 31, 1, 1), SiteLocal)
+	testScope(t, net.IPv4(172, 32, 1, 1), Global)
+}
+
+func testScope(t *testing.T, ip net.IP, expectedScope IPScope) {
+	t.Helper()
+
+	c := GetIPScope(ip)
+	if c != expectedScope {
+		t.Errorf("%s is %s, expected %s", ip, scopeName(c), scopeName(expectedScope))
+	}
+}
+
+func scopeName(c IPScope) string {
+	switch c {
+	case Invalid:
+		return "invalid"
+	case Undefined:
+		return "undefined"
+	case HostLocal:
+		return "hostLocal"
+	case LinkLocal:
+		return "linkLocal"
+	case SiteLocal:
+		return "siteLocal"
+	case Global:
+		return "global"
+	case LocalMulticast:
+		return "localMulticast"
+	case GlobalMulticast:
+		return "globalMulticast"
+	default:
+		return "undefined"
+	}
+}