release: WRNexusJS 0.4.0

packages/tracking/test/tracking.test.ts

@@ -1,6 +1,11 @@
 import { test, expect } from "bun:test";
 import { createContext } from "@wrnexus/core";
-import { createTracker, type ErrorEvent, type ErrorSink } from "../src/index.ts";
+import {
+  createTelemetryPipeline,
+  createTracker,
+  type ErrorEvent,
+  type ErrorSink,
+} from "../src/index.ts";
 
 function collectingSink(): ErrorSink & { events: ErrorEvent[] } {
   const events: ErrorEvent[] = [];
@@ -59,3 +64,34 @@ test("a failing sink never breaks capture", async () => {
   await tracker.capture(new Error("x")); // must not throw
   expect(good.events.length).toBe(1);
 });
+
+test("telemetry requeues a failed batch only once when multiple sinks fail", async () => {
+  let failures = 0;
+  const pipeline = createTelemetryPipeline({
+    batchSize: 2,
+    flushIntervalMs: 0,
+    sinks: [
+      {
+        send: () => {
+          throw new Error("one");
+        },
+      },
+      {
+        send: () => {
+          throw new Error("two");
+        },
+      },
+    ],
+    onSinkError: () => {
+      failures++;
+    },
+  });
+
+  await pipeline.emit({ kind: "event", name: "one", attributes: {} });
+  await pipeline.emit({ kind: "event", name: "two", attributes: {} });
+
+  expect(failures).toBe(2);
+  expect(pipeline.size()).toBe(2);
+  await pipeline.close();
+  expect(pipeline.size()).toBe(2);
+});