feat: production-ready domain control dashboard

internal/ipresolve/resolver_test.go

@@ -0,0 +1,34 @@
+package ipresolve
+
+import (
+	"context"
+	"net/netip"
+	"testing"
+)
+
+func TestPublicAddress(t *testing.T) {
+	t.Parallel()
+	for _, raw := range []string{"1.1.1.1", "2001:4860:4860::8888"} {
+		address := netip.MustParseAddr(raw)
+		if !publicAddress(address) {
+			t.Fatalf("expected %s to be public", raw)
+		}
+	}
+	for _, raw := range []string{"127.0.0.1", "192.168.1.1", "169.254.1.1", "::1", "fe80::1"} {
+		address := netip.MustParseAddr(raw)
+		if publicAddress(address) {
+			t.Fatalf("expected %s to be rejected", raw)
+		}
+	}
+}
+
+func TestDisabledIPv6IsNotResolvedOrReportedAsError(t *testing.T) {
+	t.Parallel()
+	result := New().ResolveWithIPv6(context.Background(), nil, nil, false)
+	if result.IPv4Err == nil {
+		t.Fatal("missing IPv4 endpoints should still be reported")
+	}
+	if result.IPv6 != "" || result.IPv6Err != nil {
+		t.Fatalf("disabled IPv6 must be skipped cleanly: %#v", result)
+	}
+}