90 lines
No EOL
2.6 KiB
TypeScript
90 lines
No EOL
2.6 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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MS_PER_DAY,
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buildWeeklyHours,
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buildWeeklyTrend,
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startOfIsoWeekUtc,
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sumHoursInWindow,
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} from "./workforce-hours";
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// Wednesday, 2026-09-09 (UTC) — Monday of that week is 2026-09-07.
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const NOW = new Date("2026-09-09T12:00:00.000Z");
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describe("startOfIsoWeekUtc", () => {
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it("anchors to Monday of the current week", () => {
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expect(new Date(startOfIsoWeekUtc(NOW)).toISOString().slice(0, 10)).toBe(
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"2026-09-07",
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);
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});
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});
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describe("sumHoursInWindow", () => {
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const list = [
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{ date: "2026-09-01", hours: 3 },
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{ date: "2026-09-05", hours: 5 },
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{ date: "2026-09-10", hours: 8 },
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];
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it("sums hours within [start, end)", () => {
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const start = Date.UTC(2026, 8, 1);
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const end = Date.UTC(2026, 8, 6);
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expect(sumHoursInWindow(list, start, end)).toBe(8);
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});
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it("excludes the end boundary", () => {
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const start = Date.UTC(2026, 8, 5);
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const end = Date.UTC(2026, 8, 5);
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expect(sumHoursInWindow(list, start, end)).toBe(0);
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});
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it("ignores unparseable dates instead of throwing", () => {
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const bad = [{ date: "not-a-date", hours: 99 }];
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expect(sumHoursInWindow(bad, 0, Date.UTC(2030, 0, 1))).toBe(0);
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});
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});
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describe("buildWeeklyTrend", () => {
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it("buckets hours into the correct week, oldest first", () => {
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const timesheets = [
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{ date: "2026-09-07", hours: 10 }, // this week (Mon)
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{ date: "2026-08-31", hours: 4 }, // last week (Mon)
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];
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const trend = buildWeeklyTrend(timesheets, NOW, 2);
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expect(trend).toHaveLength(2);
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expect(trend[0].weekStart).toBe("2026-08-31");
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expect(trend[0].hours).toBe(4);
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expect(trend[1].weekStart).toBe("2026-09-07");
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expect(trend[1].hours).toBe(10);
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});
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it("returns all-zero buckets when there are no timesheets", () => {
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const trend = buildWeeklyTrend([], NOW, 3);
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expect(trend.every((b) => b.hours === 0)).toBe(true);
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});
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});
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describe("buildWeeklyHours", () => {
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it("builds a per-employee weekly array, oldest first", () => {
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const map = new Map([
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[
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"emp1",
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[
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{ date: "2026-09-07", hours: 6 },
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{ date: "2026-08-31", hours: 2 },
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],
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],
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]);
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const result = buildWeeklyHours(map, NOW, 2);
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expect(result.get("emp1")).toEqual([2, 6]);
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});
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it("defaults to zeros for an employee with no entries in range", () => {
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const map = new Map([["emp1", []]]);
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const result = buildWeeklyHours(map, NOW, 2);
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expect(result.get("emp1")).toEqual([0, 0]);
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});
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});
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it("exports the day-in-ms constant", () => {
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expect(MS_PER_DAY).toBe(86_400_000);
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}); |