Edit File: lru-memoizer.clone.test.js
const memoizer = require('./..'); const assert = require('chai').assert; describe('lru-memoizer (clone)', () => { let loadTimes = 0, memoized; beforeEach(() => { loadTimes = 0; memoized = memoizer({ load: (key, callback) => { loadTimes++; callback(null, { foo: key, buffer: Buffer.from('1234') }); }, hash: (key) => { return key; }, clone: true }); }); it('should return a clone every time with the same cached structure', (done) => { memoized('bar', (err, r1) => { assert.isNull(err); assert.strictEqual(loadTimes, 1); assert.equal(r1.foo, 'bar'); r1.foo = 'bax'; memoized('bar', (err, r2) => { assert.isNull(err); assert.strictEqual(loadTimes, 1); assert.equal(r2.foo, 'bar'); assert.notStrictEqual(r1, r2); assert.notEqual(r1, r2); done(); }); }); }); });
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