swadhinbiswas Harden notification digests with timezone settings and cron tests · 2/18/2026
8424830
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import { describe, expect, it } from "vitest";
import { shouldSendDigestNow } from "@/lib/chat-notifications";
describe("digest scheduler logic", () => {
it("sends daily digest when due time passed and never sent", () => {
const now = new Date("2026-02-18T10:00:00.000Z");
const shouldSend = shouldSendDigestNow("daily", "09:00", 1, null, now);
expect(shouldSend).toBe(true);
});
it("does not send daily digest before due time", () => {
const now = new Date("2026-02-18T08:59:00.000Z");
const shouldSend = shouldSendDigestNow("daily", "09:00", 1, null, now);
expect(shouldSend).toBe(false);
});
it("does not re-send daily digest on same UTC day", () => {
const now = new Date("2026-02-18T12:00:00.000Z");
const lastSentAt = new Date("2026-02-18T09:10:00.000Z");
const shouldSend = shouldSendDigestNow("daily", "09:00", 1, lastSentAt, now);
expect(shouldSend).toBe(false);
});
it("sends weekly digest on configured day after due time", () => {
// Monday
const now = new Date("2026-02-16T10:00:00.000Z");
const shouldSend = shouldSendDigestNow("weekly", "09:00", 1, null, now);
expect(shouldSend).toBe(true);
});
it("does not send weekly digest on non-configured day", () => {
// Tuesday
const now = new Date("2026-02-17T10:00:00.000Z");
const shouldSend = shouldSendDigestNow("weekly", "09:00", 1, null, now);
expect(shouldSend).toBe(false);
});
it("does not re-send weekly digest in same week", () => {
// Monday this week
const now = new Date("2026-02-16T12:00:00.000Z");
// Also Monday this week
const lastSentAt = new Date("2026-02-16T09:15:00.000Z");
const shouldSend = shouldSendDigestNow("weekly", "09:00", 1, lastSentAt, now);
expect(shouldSend).toBe(false);
});
it("uses timezone for daily due-time checks", () => {
// 08:30 in America/New_York (UTC-5 in February)
const beforeDue = new Date("2026-02-18T13:30:00.000Z");
const shouldSendBeforeDue = shouldSendDigestNow("daily", "09:00", 1, null, beforeDue, "America/New_York");
expect(shouldSendBeforeDue).toBe(false);
// 09:30 in America/New_York
const afterDue = new Date("2026-02-18T14:30:00.000Z");
const shouldSendAfterDue = shouldSendDigestNow("daily", "09:00", 1, null, afterDue, "America/New_York");
expect(shouldSendAfterDue).toBe(true);
});
it("normalizes invalid weekly day to Monday", () => {
// Monday UTC
const now = new Date("2026-02-16T10:00:00.000Z");
const shouldSend = shouldSendDigestNow("weekly", "09:00", 99, null, now);
expect(shouldSend).toBe(true);
});
it("does not re-send daily digest on same local date in timezone", () => {
// 00:30 JST on Feb 18, 2026
const now = new Date("2026-02-17T15:30:00.000Z");
// 00:05 JST on the same local date
const lastSentAt = new Date("2026-02-17T15:05:00.000Z");
const shouldSend = shouldSendDigestNow("daily", "00:00", 1, lastSentAt, now, "Asia/Tokyo");
expect(shouldSend).toBe(false);
});
});