marriage/src/lib/entry-route-cache.test.ts

import { afterEach, describe, expect, it } from "vitest";
import {
  getAuthenticatedCachedEntryPath,
  getCachedMarriageEntryPath,
  MARRIAGE_ENTRY_PATH_COOKIE,
  normalizeCachedMarriageEntryPath,
  setCachedMarriageEntryPath,
} from "./entry-route-cache";

describe("entry route cache", () => {
  afterEach(() => {
    document.cookie = `${MARRIAGE_ENTRY_PATH_COOKIE}=; Path=/; Max-Age=0`;
  });

  it("accepts only known authenticated routes", () => {
    expect(normalizeCachedMarriageEntryPath("/questions-list")).toBe(
      "/questions-list",
    );
    expect(normalizeCachedMarriageEntryPath("%2Ffinding-match")).toBe(
      "/finding-match",
    );
    expect(normalizeCachedMarriageEntryPath("https://example.com")).toBeNull();
    expect(normalizeCachedMarriageEntryPath("//example.com")).toBeNull();
    expect(normalizeCachedMarriageEntryPath("/intro")).toBe("/intro");
    expect(normalizeCachedMarriageEntryPath("/invalid-path")).toBeNull();
  });

  it("requires a real token before trusting the cached route", () => {
    expect(
      getAuthenticatedCachedEntryPath("token", "/questions-list"),
    ).toBe("/questions-list");
    expect(
      getAuthenticatedCachedEntryPath("NO_TOKEN", "/questions-list"),
    ).toBeNull();
    expect(
      getAuthenticatedCachedEntryPath("", "/questions-list"),
    ).toBeNull();
  });

  it("persists and clears a safe client entry route", () => {
    setCachedMarriageEntryPath("/questions-list");
    expect(getCachedMarriageEntryPath()).toBe("/questions-list");

    setCachedMarriageEntryPath(null);
    expect(getCachedMarriageEntryPath()).toBeNull();
  });
});