make squid's allowed domains editable at runtime in the swarm ui

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

@@ -0,0 +1,54 @@
+// The detail panel's allowed-domains editor: which entries one agent sees and
+// the bodies it sends. Run by `npm test` with Node's type stripping.
+import assert from "node:assert/strict";
+import { test } from "node:test";
+import {
+  allowedSummary,
+  entriesFor,
+  entryBody,
+} from "../src/agent/detail/allowed-domains.ts";
+
+const all = [
+  { domain: "crates.io", agent: "atlas" },
+  { domain: "docs.rs", agent: "argus" },
+  { domain: "github.com" },
+  { domain: "pypi.org", agent: "atlas" },
+];
+
+test("an agent sees the swarm-wide entries first, then its own, and not another agent's", () => {
+  assert.deepEqual(entriesFor(all, "atlas"), [
+    { domain: "github.com" },
+    { domain: "crates.io", agent: "atlas" },
+    { domain: "pypi.org", agent: "atlas" },
+  ]);
+  // Control: the other agent's entry is there to be found.
+  assert.deepEqual(entriesFor(all, "argus"), [
+    { domain: "github.com" },
+    { domain: "docs.rs", agent: "argus" },
+  ]);
+  assert.deepEqual(entriesFor(all, "iris"), [{ domain: "github.com" }]);
+  assert.deepEqual(entriesFor([], "atlas"), []);
+});
+
+test("the summary counts each scope", () => {
+  assert.equal(allowedSummary([]), "none added");
+  assert.equal(
+    allowedSummary(entriesFor(all, "atlas")),
+    "1 swarm-wide, 2 for this agent",
+  );
+  assert.equal(allowedSummary(entriesFor(all, "iris")), "1 swarm-wide");
+  assert.equal(
+    allowedSummary([{ domain: "a.io", agent: "atlas" }]),
+    "1 for this agent",
+  );
+});
+
+test("the body is swarm-wide or for the agent, with the name trimmed", () => {
+  assert.deepEqual(entryBody("  github.com ", true, "atlas"), {
+    domain: "github.com",
+  });
+  assert.deepEqual(entryBody("github.com", false, "atlas"), {
+    domain: "github.com",
+    agent: "atlas",
+  });
+});