@esmx/core/dist/utils/cache.test.mjs

A high-performance microfrontend framework supporting Vue, React, Preact, Solid, and Svelte with SSR and Module Federation capabilities.

import { assert, test } from "vitest";
import { createCache } from "./cache.mjs";
test("When cache is enabled, same name should only fetch once", async () => {
  const cache = createCache(true);
  let callCount = 0;
  const fetch = async () => {
    callCount++;
    return "data";
  };
  const result1 = await cache("key", fetch);
  const result2 = await cache("key", fetch);
  assert.equal(result1, "data");
  assert.equal(result2, "data");
  assert.equal(callCount, 1);
});
test("When cache is enabled, different names should fetch separately", async () => {
  const cache = createCache(true);
  let callCount1 = 0;
  let callCount2 = 0;
  const fetch1 = async () => {
    callCount1++;
    return "data1";
  };
  const fetch2 = async () => {
    callCount2++;
    return "data2";
  };
  const result1 = await cache("key1", fetch1);
  const result2 = await cache("key2", fetch2);
  assert.equal(result1, "data1");
  assert.equal(result2, "data2");
  assert.equal(callCount1, 1);
  assert.equal(callCount2, 1);
});
test("When cache is disabled, fetch should execute every time", async () => {
  const cache = createCache(false);
  let callCount = 0;
  const fetch = async () => {
    callCount++;
    return "data";
  };
  const result1 = await cache("key", fetch);
  const result2 = await cache("key", fetch);
  assert.equal(result1, "data");
  assert.equal(result2, "data");
  assert.equal(callCount, 2);
});