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PaperClipAI/ui/src/lib/task-date-groups.test.ts
T

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TypeScript

import { describe, expect, it } from "vitest";
import { taskDateGroup, taskDateGroupSeparator } from "./task-date-groups";
describe("task date groups", () => {
const now = new Date(2026, 7, 31, 9, 30);
it("uses local calendar boundaries instead of rolling 24-hour windows", () => {
expect(taskDateGroup(new Date(2026, 7, 31, 0, 1), now)).toBe("today");
expect(taskDateGroup(new Date(2026, 7, 30, 23, 59), now)).toBe("yesterday");
expect(taskDateGroup(new Date(2026, 7, 29, 23, 59), now)).toBe("earlier");
});
it("does not emit duplicate or leading Earlier separators", () => {
expect(taskDateGroupSeparator(null, "earlier")).toBeNull();
expect(taskDateGroupSeparator(null, "today")).toBe("Today");
expect(taskDateGroupSeparator("today", "today")).toBeNull();
expect(taskDateGroupSeparator("today", "yesterday")).toBe("Yesterday");
expect(taskDateGroupSeparator("yesterday", "earlier")).toBe("Earlier");
});
});