Hunter B
85 lines
2.9 KiB
TypeScript
85 lines
2.9 KiB
TypeScript
import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
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import { lastPageFromLink, relativeTime } from "./github";
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// We test the pure helper functions directly.
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// The async fetch functions require mocking the global fetch.
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// ── relativeTime ──────────────────────────────────────────────────────
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describe("relativeTime", () => {
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beforeEach(() => {
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vi.useFakeTimers();
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vi.setSystemTime(new Date("2026-06-01T12:00:00Z"));
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});
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afterEach(() => {
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vi.useRealTimers();
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});
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it("returns 'just now' for less than 30 seconds ago", () => {
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expect(relativeTime("2026-06-01T11:59:45Z")).toBe("just now");
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});
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it("returns minutes for < 1 hour", () => {
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expect(relativeTime("2026-06-01T11:55:00Z")).toBe("5m");
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expect(relativeTime("2026-06-01T11:30:00Z")).toBe("30m");
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});
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it("returns hours for < 1 day", () => {
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expect(relativeTime("2026-06-01T09:00:00Z")).toBe("3h");
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expect(relativeTime("2026-05-31T18:00:00Z")).toBe("18h");
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});
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it("returns days for < 30 days", () => {
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expect(relativeTime("2026-05-25T12:00:00Z")).toBe("7d");
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expect(relativeTime("2026-05-03T12:00:00Z")).toBe("29d");
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});
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it("returns months for < 12 months", () => {
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expect(relativeTime("2026-03-01T12:00:00Z")).toBe("3mo");
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expect(relativeTime("2025-08-01T12:00:00Z")).toBe("10mo");
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});
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it("returns years for >= 12 months", () => {
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expect(relativeTime("2024-06-01T12:00:00Z")).toBe("2y");
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expect(relativeTime("2025-01-01T00:00:00Z")).toBe("1y");
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});
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});
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// ── lastPageFromLink (via re-export test) ──────────────────────────────
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describe("lastPageFromLink", () => {
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it("returns undefined for null input", () => {
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expect(lastPageFromLink(null)).toBeUndefined();
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});
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it("returns undefined for empty string", () => {
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expect(lastPageFromLink("")).toBeUndefined();
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});
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it("extracts page from Link header with last rel", () => {
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const link =
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'<https://api.github.com/repos/Hmbown/CodeWhale/issues?page=5>; rel="last"';
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expect(lastPageFromLink(link)).toBe(5);
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});
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it("extracts page from multi-part Link header", () => {
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const link = [
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'<https://api.github.com/repos/Hmbown/CodeWhale/issues?page=1>; rel="prev"',
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'<https://api.github.com/repos/Hmbown/CodeWhale/issues?page=3>; rel="last"',
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].join(", ");
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expect(lastPageFromLink(link)).toBe(3);
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});
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it("returns undefined when no last rel present", () => {
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const link =
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'<https://api.github.com/repos/Hmbown/CodeWhale/issues?page=1>; rel="prev"';
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expect(lastPageFromLink(link)).toBeUndefined();
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});
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it("returns undefined for invalid URL format", () => {
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const link = "not-a-valid-link-header; rel=last";
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expect(lastPageFromLink(link)).toBeUndefined();
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});
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});
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