Gateway: wide-area Bonjour via clawdis.internal

src/infra/tailnet.test.ts

@@ -0,0 +1,33 @@
+import os from "node:os";
+
+import { describe, expect, it, vi } from "vitest";
+
+import { listTailnetAddresses } from "./tailnet.js";
+
+describe("tailnet address detection", () => {
+  it("detects tailscale IPv4 and IPv6 addresses", () => {
+    vi.spyOn(os, "networkInterfaces").mockReturnValue({
+      lo0: [
+        { address: "127.0.0.1", family: "IPv4", internal: true, netmask: "" },
+      ] as unknown as os.NetworkInterfaceInfo[],
+      utun9: [
+        {
+          address: "100.123.224.76",
+          family: "IPv4",
+          internal: false,
+          netmask: "",
+        },
+        {
+          address: "fd7a:115c:a1e0::8801:e04c",
+          family: "IPv6",
+          internal: false,
+          netmask: "",
+        },
+      ] as unknown as os.NetworkInterfaceInfo[],
+    });
+
+    const out = listTailnetAddresses();
+    expect(out.ipv4).toEqual(["100.123.224.76"]);
+    expect(out.ipv6).toEqual(["fd7a:115c:a1e0::8801:e04c"]);
+  });
+});