源码快照 @ 2026-09-01 (source-only, 剔除非源码素材)

tools/scripts/agent-gui-performance-helpers.test.mjs

@@ -0,0 +1,42 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { evaluate, withTimeout } from "./agent-gui-performance-helpers.mjs";
+
+test("withTimeout rejects when the promise never settles", async () => {
+  await assert.rejects(
+    () => withTimeout(new Promise(() => {}), 40, "hard timeout fired"),
+    /hard timeout fired/u
+  );
+});
+
+test("withTimeout resolves when the promise settles first", async () => {
+  const value = await withTimeout(
+    Promise.resolve("ok"),
+    1_000,
+    "should not fire"
+  );
+  assert.equal(value, "ok");
+});
+
+test("evaluate hard-times out when Runtime.evaluate never resolves", async () => {
+  const client = {
+    async send() {
+      return new Promise(() => {});
+    }
+  };
+  await assert.rejects(
+    () => evaluate(client, "1 + 1", false, 40),
+    /Runtime\.evaluate timed out after 1s/u
+  );
+});
+
+test("evaluate still returns values when CDP responds", async () => {
+  const client = {
+    async send(method, payload) {
+      assert.equal(method, "Runtime.evaluate");
+      assert.equal(payload.timeout, 1_000);
+      return { result: { value: 42 } };
+    }
+  };
+  assert.equal(await evaluate(client, "40 + 2", false, 1_000), 42);
+});