86 lines
4 KiB
TypeScript
86 lines
4 KiB
TypeScript
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// @vitest-environment jsdom
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// utils/auth-store — primitives กลางของ session store ฝั่ง client (2026-11-09:
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// ฝั่ง note ใช้ผ่าน lib/note-session.ts · ฝั่ง add-in วางไว้ย้ายมารอบหน้า)
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import { describe, expect, it, vi } from "vitest";
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import { createAuthStore, isExpired, jwtExp } from "@/utils/auth-store";
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function b64url(obj: unknown): string {
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return btoa(JSON.stringify(obj)).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "");
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}
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describe("jwtExp", () => {
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it("decode exp จาก JWT payload 3 segment (ไม่สน signature)", () => {
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const token = `${b64url({ alg: "HS256", typ: "JWT" })}.${b64url({ exp: 1790000000 })}.sig`;
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expect(jwtExp(token)).toBe(1_790_000_000);
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});
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it("payload ไม่มี exp / ไม่ใช่ตัวเลข / token ไม่มี 3 segment / base64 พัง → undefined", () => {
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expect(jwtExp(`${b64url({ a: 1 })}.sig`)).toBeUndefined();
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expect(jwtExp(`h.${b64url({ exp: "soon" })}.sig`)).toBeUndefined();
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expect(jwtExp("not-a-jwt")).toBeUndefined();
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expect(jwtExp("a.!!!.c")).toBeUndefined();
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});
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});
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describe("isExpired", () => {
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it("exp อนาคต = false · อดีต = true", () => {
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const now = Math.floor(Date.now() / 1000);
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expect(isExpired(now + 600)).toBe(false);
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expect(isExpired(now - 600)).toBe(true);
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});
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it("margin — หมดอายุไปแล้วแต่ยังไม่เกิน margin = false (ช่วงผ่อนกัน clock skew) · เลิน margin = true", () => {
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const now = Math.floor(Date.now() / 1000);
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expect(isExpired(now - 20, 30_000)).toBe(false); // หมดแล้ว 20 วิ ยังในช่วงผ่อน 30 วิ
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expect(isExpired(now - 40, 30_000)).toBe(true); // หมดเกิน 40 วิ เลย margin
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expect(isExpired(now - 20, 0)).toBe(true); // ไม่มี margin = ตายทันทีที่ถึง exp
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});
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});
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describe("createAuthStore", () => {
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it("เขียน/อ่าน/ลบค่าดิบผ่าน localStorage ตาม key", () => {
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const store = createAuthStore("test-auth-key");
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expect(store.readRaw()).toBeNull();
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store.writeRaw('{"a":1}');
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expect(store.readRaw()).toBe('{"a":1}');
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store.remove();
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expect(store.readRaw()).toBeNull();
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});
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it("คนละ key ไม่ปนกัน", () => {
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const a = createAuthStore("test-key-a");
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const b = createAuthStore("test-key-b");
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a.writeRaw("A");
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b.writeRaw("B");
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expect(a.readRaw()).toBe("A");
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expect(b.readRaw()).toBe("B");
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a.remove();
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expect(b.readRaw()).toBe("B");
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});
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it("localStorage.setItem โยน (quota/private mode) — ยังเขียน/อ่านได้ผ่าน memory fallback", () => {
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const spy = vi
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.spyOn(Storage.prototype, "setItem")
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.mockImplementation(() => { throw new DOMException("quota exceeded", "QuotaExceededError"); });
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const store = createAuthStore("test-quota");
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store.writeRaw('{"q":1}');
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expect(store.readRaw()).toBe('{"q":1}');
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spy.mockRestore();
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});
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it("ค่าใหม่ใน memory ชนะค่าเก่าที่ค้างใน localStorage (code review 2026-11-09)", () => {
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// เขียนครั้งแรกสำเร็จทั้งคู่ → localStorage = "old" / memory = "old"
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const store = createAuthStore("test-quota-stale");
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store.writeRaw("old");
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// ครั้งถัดมา localStorage ล้ม → memory = "new" แต่ localStorage ยังค้าง "old"
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const spy = vi
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.spyOn(Storage.prototype, "setItem")
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.mockImplementation(() => { throw new DOMException("quota exceeded", "QuotaExceededError"); });
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store.writeRaw("new");
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spy.mockRestore();
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// ต้องได้ค่าใหม่จาก memory ไม่ใช่ค่าเก่าตาย ๆ จาก localStorage
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expect(store.readRaw()).toBe("new");
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});
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});
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