46 lines
1006 B
JavaScript
46 lines
1006 B
JavaScript
|
const memoizer = require('./..');
|
||
|
|
const assert = require('chai').assert;
|
||
|
|
|
||
|
|
describe('lru-memoizer (freeze)', 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;
|
||
|
|
},
|
||
|
|
freeze: true
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should return a freeze 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';
|
||
|
|
assert.isFrozen(r1);
|
||
|
|
|
||
|
|
memoized('test', function (err, r2) {
|
||
|
|
assert.isNull(err);
|
||
|
|
|
||
|
|
assert.strictEqual(loadTimes, 1);
|
||
|
|
assert.equal(r2.foo, 'bar');
|
||
|
|
assert.strictEqual(r1, r2);
|
||
|
|
assert.isFrozen(r2);
|
||
|
|
|
||
|
|
done();
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
});
|
||
|
|
|