96 lines
2.2 KiB
JavaScript
96 lines
2.2 KiB
JavaScript
const memoizer = require('./..');
|
|
const sinon = require('sinon');
|
|
|
|
describe('lru-memoizer sync (events)', function () {
|
|
let memoized;
|
|
let onMiss, onHit, onQueue;
|
|
|
|
beforeEach(function () {
|
|
loadTimes = 0;
|
|
onMiss = sinon.stub();
|
|
onHit = sinon.stub();
|
|
onQueue = sinon.stub();
|
|
memoized = memoizer.sync({
|
|
load: function (a, b, bypass) {
|
|
return a + b;
|
|
},
|
|
hash: function (a, b, bypass) {
|
|
return a + '-' + b;
|
|
},
|
|
bypass: function(a, b, bypass) {
|
|
return bypass;
|
|
},
|
|
max: 10
|
|
});
|
|
memoized.on('hit', onHit);
|
|
memoized.on('miss', onMiss);
|
|
memoized.on('queue', onQueue);
|
|
});
|
|
|
|
describe('when the result is not in the cache', () => {
|
|
beforeEach(() => {
|
|
memoized(1, 2, false);
|
|
});
|
|
|
|
it('should not call onHit', () => {
|
|
sinon.assert.notCalled(onHit);
|
|
});
|
|
|
|
it('should not call onQueue', () => {
|
|
sinon.assert.notCalled(onQueue);
|
|
});
|
|
|
|
it('should call onMiss with the load arguments', () => {
|
|
sinon.assert.calledOnce(onMiss);
|
|
sinon.assert.calledWith(onMiss, 1, 2, false);
|
|
});
|
|
});
|
|
|
|
describe('when the result is in the cache', () => {
|
|
beforeEach(() => {
|
|
memoized(1,2, false);
|
|
onHit.reset();
|
|
onMiss.reset();
|
|
onQueue.reset();
|
|
memoized(1, 2, false);
|
|
});
|
|
|
|
it('should call onHit with the load arguments', () => {
|
|
sinon.assert.calledOnce(onHit);
|
|
sinon.assert.calledWith(onHit, 1, 2, false);
|
|
});
|
|
|
|
it('should not call onQueue', () => {
|
|
sinon.assert.notCalled(onQueue);
|
|
});
|
|
|
|
it('should not call onMiss', () => {
|
|
sinon.assert.notCalled(onQueue);
|
|
});
|
|
});
|
|
|
|
describe('when the cache is by passed', () => {
|
|
beforeEach(() => {
|
|
memoized(1,2, false);
|
|
onHit.reset();
|
|
onMiss.reset();
|
|
onQueue.reset();
|
|
memoized(1, 2, true);
|
|
});
|
|
|
|
it('should not call onHit', () => {
|
|
sinon.assert.notCalled(onHit);
|
|
});
|
|
|
|
it('should not call onQueue', () => {
|
|
sinon.assert.notCalled(onQueue);
|
|
});
|
|
|
|
it('should call onMiss with the load arguments', () => {
|
|
sinon.assert.calledOnce(onMiss);
|
|
sinon.assert.calledWith(onMiss, 1, 2, true);
|
|
});
|
|
});
|
|
});
|
|
|