GT2/GT2-iOS/node_modules/lru-memoizer/test/lru-memoizer.clone.test.js

44 lines
950 B
JavaScript

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