import "mocha";

import * as chai from "chai";

import { MemoryCache } from './MemoryCache';

const expect = chai.expect;

/* tslint:disable:only-arrow-functions */

describe('MemoryCache', function () {

it('should return previously set data', async function () {

const cache = new MemoryCache();

const testKey = 'key';

const testValue = 'value';

await cache.set(testKey, testValue);

const result = await cache.get(testKey);

expect(result).to.equal(testValue);

});

it('should not return expired data', async function () {

const cache = new MemoryCache({ maxAge: 5 });

const testKey = 'key';

const testValue = 'value';

await cache.set(testKey, testValue);

await new Promise((resolve) => setTimeout(resolve, 10));

const result = await cache.get(testKey);

expect(result).to.equal(undefined);

});

it('should not return expunged data', async function () {

const cache = new MemoryCache({ max: 1 });

const testKey1 = 'key1';

const testKey2 = 'key2';

const testValue = 'value';

await cache.set(testKey1, testValue);

await cache.set(testKey2, testValue);

const result1 = await cache.get(testKey1);

expect(result1).to.equal(undefined);

const result2 = await cache.get(testKey2);

expect(result2).to.equal(testValue);

})

});