Handle status fanout rejections (Refs #66)

tests/unit/worker-scheduling.test.ts

@@ -1,5 +1,6 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { newFixture, type Fixture } from '../helpers/fixture.js';
+import { STATUS_REFRESH_MS } from '../../src/lib/server-freshness.js';
 
 vi.mock('../../src/lib/server/pipeline/sweep.js', () => ({ sweep: vi.fn() }));
 vi.mock('../../src/lib/server/pipeline/beta-runner.js', () => ({ betaTick: vi.fn() }));
@@ -33,6 +34,37 @@ async function setup() {
 }
 
 describe('independent provisioning scheduling', () => {
+    it.each(['startup', 'scheduled'] as const)('logs a failed %s status snapshot and retries on the next interval', async phase => {
+        const s = await setup();
+        const { MonitoringSnapshot } = await import('../../src/lib/server/fleet/monitoring-snapshot.js');
+        const refresh = vi.spyOn(MonitoringSnapshot.prototype, 'refresh');
+        const log = vi.spyOn(console, 'error').mockImplementation(() => {});
+        const failure = new Error('database or disk is full');
+        vi.useFakeTimers();
+        try {
+            if (phase === 'scheduled') {
+                s.startWorker();
+                await vi.advanceTimersByTimeAsync(0);
+                refresh.mockClear();
+            }
+            refresh.mockImplementationOnce(() => { throw failure; });
+            if (phase === 'startup') s.startWorker();
+            await vi.advanceTimersByTimeAsync(phase === 'startup' ? 0 : STATUS_REFRESH_MS);
+            expect(refresh).toHaveBeenCalledTimes(1);
+            expect(log).toHaveBeenCalledExactlyOnceWith('[worker] status fanout error:', failure);
+
+            await vi.advanceTimersByTimeAsync(STATUS_REFRESH_MS);
+            expect(refresh).toHaveBeenCalledTimes(2);
+            expect(log).toHaveBeenCalledTimes(1);
+        } finally {
+            s.stopWorker(); s.background.resolve();
+            await vi.advanceTimersByTimeAsync(0);
+            vi.useRealTimers();
+            refresh.mockRestore(); log.mockRestore();
+            await vi.waitFor(() => expect(s.workerActivity()).toEqual([]));
+        }
+    });
+
     it('collects match chat on worker ticks without overlapping a slow collection', async () => {
         const s = await setup();
         const { collectFleetChat } = await import('../../src/lib/server/fleet/chat.js');