chore: initialize from frontend template 4dc033c

tests/unit/read-bounded-boot-json.test.ts

@@ -0,0 +1,31 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  BOOT_JSON_POLICIES,
+  readBoundedBootJson,
+} from "../../src/bootstrap/read-bounded-boot-json.ts";
+
+describe("bounded boot JSON admission", () => {
+  it("does not call fetch when the caller signal is already aborted", async () => {
+    const caller = new AbortController();
+    caller.abort();
+    let fetchCalls = 0;
+
+    const outcome = await readBoundedBootJson(
+      "/config.json",
+      BOOT_JSON_POLICIES.RUNTIME_CONFIG,
+      {
+        signal: caller.signal,
+        fetcher: async () => {
+          fetchCalls += 1;
+          return new Response("{}", {
+            headers: { "content-type": "application/json" },
+          });
+        },
+      },
+    );
+
+    expect(fetchCalls).toBe(0);
+    expect(outcome).toEqual({ ok: false, failure: "FETCH_FAILED" });
+  });
+});