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Stream delayed live feed events

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dirtydishes 2026-05-04 04:59:09 -04:00
parent 85dfebb8f0
commit b88ef2b371
3 changed files with 17 additions and 11 deletions
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15
services/api/tests/live.test.ts
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@ -1,6 +1,11 @@
import { describe, expect, it } from "bun:test";
import type { ClickHouseClient } from "@islandflow/storage";
import { LiveStateManager, isLiveItemFresh, resolveGenericLiveLimits } from "../src/live";
import {
LiveStateManager,
isLiveItemFresh,
resolveGenericLiveLimits,
shouldFanoutLiveEvent
} from "../src/live";
const makeClickHouse = (): ClickHouseClient =>
({
@ -567,9 +572,15 @@ describe("LiveStateManager", () => {
expect(persisted).toHaveLength(1);
});
it("exposes freshness helper for event fanout gating", () => {
it("exposes freshness helper for feed status", () => {
expect(isLiveItemFresh("options", { ts: 1000 }, 1010)).toBe(true);
expect(isLiveItemFresh("options", { ts: 1000 }, 20_001)).toBe(false);
expect(isLiveItemFresh("equity-joins", { source_ts: 1 }, 1_000_000)).toBe(true);
});
it("fans out stale live events so delayed data remains visible without refresh", () => {
expect(shouldFanoutLiveEvent("options", { ts: 1000 })).toBe(true);
expect(shouldFanoutLiveEvent("equities", { ts: 1000 })).toBe(true);
expect(shouldFanoutLiveEvent("flow", { source_ts: 1000 })).toBe(true);
});
});