swarm-ui: test which entries the egress card lists and the swarm-wide add body

frontend/packages/swarm-ui/test/allowed-domains.test.mjs

@@ -5,6 +5,7 @@ import { test } from "node:test";
 import {
   allowedSummary,
   entryGroups,
+  swarmWideEntries,
   entriesFor,
   entryBody,
 } from "../src/agent/detail/allowed-domains.ts";
@@ -85,3 +86,21 @@ test("entries are grouped by source, empty sources left out", () => {
   );
   assert.deepEqual(entryGroups([]), []);
 });
+
+test("the egress card lists only the entries that hold for every agent", () => {
+  const entries = [
+    { domain: "crates.io" },
+    { domain: "docs.rs", agent: "iris" },
+    { domain: "api.example.com", derived: true },
+    { domain: "github.com" },
+  ];
+  assert.deepEqual(
+    swarmWideEntries(entries).map((e) => e.domain),
+    ["crates.io", "github.com"],
+  );
+  assert.deepEqual(swarmWideEntries([]), []);
+});
+
+test("an add from the swarm page, with no agent, is a swarm-wide entry", () => {
+  assert.deepEqual(entryBody("github.com", true, ""), { domain: "github.com" });
+});