Gateway: wide-area Bonjour via clawdis.internal

src/infra/widearea-dns.test.ts

@@ -0,0 +1,31 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  renderWideAreaBridgeZoneText,
+  WIDE_AREA_DISCOVERY_DOMAIN,
+} from "./widearea-dns.js";
+
+describe("wide-area DNS-SD zone rendering", () => {
+  it("renders a clawdis.internal zone with bridge PTR/SRV/TXT records", () => {
+    const txt = renderWideAreaBridgeZoneText({
+      serial: 2025121701,
+      bridgePort: 18790,
+      displayName: "Mac Studio (Clawdis)",
+      tailnetIPv4: "100.123.224.76",
+      tailnetIPv6: "fd7a:115c:a1e0::8801:e04c",
+      hostLabel: "studio-london",
+      instanceLabel: "studio-london",
+    });
+
+    expect(txt).toContain(`$ORIGIN ${WIDE_AREA_DISCOVERY_DOMAIN}`);
+    expect(txt).toContain(`studio-london IN A 100.123.224.76`);
+    expect(txt).toContain(`studio-london IN AAAA fd7a:115c:a1e0::8801:e04c`);
+    expect(txt).toContain(
+      `_clawdis-bridge._tcp IN PTR studio-london._clawdis-bridge._tcp`,
+    );
+    expect(txt).toContain(
+      `studio-london._clawdis-bridge._tcp IN SRV 0 0 18790 studio-london`,
+    );
+    expect(txt).toContain(`displayName=Mac Studio (Clawdis)`);
+  });
+});