complete performance and reliability follow-ups

2026-08-09 23:04:36 +05:30
parent 8f19a5eb2b
commit 232d8e6734
31 changed files with 525 additions and 726 deletions
@@ -81,6 +81,22 @@ describe("production observability operations", () => {
    expect(failures).toHaveLength(1);
  });

+  test("reports exporter failures through the non-recursive diagnostic hook", async () => {
+    const diagnostics: Array<{ message: string; error: unknown }> = [];
+    const ctx = createContext(
+      new Request("https://example.test/"),
+      new URL("https://example.test/"),
+    );
+    const middleware = traceMiddleware({
+      random: (target) => target.fill(8),
+      exporter: { export: () => Promise.reject(new Error("offline")) },
+      diagnostic: (message, error) => diagnostics.push({ message, error }),
+    });
+    expect((await middleware(ctx, () => new Response("ok"))).status).toBe(200);
+    expect(diagnostics).toHaveLength(1);
+    expect(diagnostics[0]?.message).toBe("trace export failed");
+  });
+
  test("exports OTLP JSON traces and metrics", async () => {
    const requests: unknown[] = [];
    const send = (async (_url: URL | RequestInfo, init?: RequestInit) => {