mirror of
https://github.com/openstf/stf
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124 lines
3.5 KiB
JavaScript
124 lines
3.5 KiB
JavaScript
var chai = require('chai')
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var sinon = require('sinon')
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var expect = chai.expect
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chai.use(require('sinon-chai'))
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var TtlSet = require('../../lib/util/ttlset')
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describe('TtlSet', function() {
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it.only('should timeout old entries', function(done) {
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var ttlset = new TtlSet(50)
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var spy = sinon.spy()
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ttlset.on('timeout', spy)
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ttlset.bump(1, Date.now())
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ttlset.bump(2, Date.now() + 100)
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ttlset.bump(3, Date.now() + 200)
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ttlset.bump(4, Date.now() + 1000)
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setTimeout(function() {
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expect(spy).to.have.been.calledThrice
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expect(spy).to.have.been.calledWith(1)
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expect(spy).to.have.been.calledWith(2)
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expect(spy).to.have.been.calledWith(3)
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expect(ttlset.head).to.equal(ttlset.tail)
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ttlset.stop()
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done()
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}, 300)
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})
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describe('bump', function() {
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it('should create an item for the value if none exists', function(done) {
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var ttlset = new TtlSet(5000)
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ttlset.bump(5)
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expect(ttlset.head).to.equal(ttlset.tail)
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expect(ttlset.head.value).to.equal(5)
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done()
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})
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it('should make the item the new tail', function(done) {
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var ttlset = new TtlSet(5000)
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ttlset.bump(5)
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expect(ttlset.tail.value).to.equal(5)
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ttlset.bump(6)
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expect(ttlset.tail.value).to.equal(6)
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done()
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})
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it('should set head if none exists', function(done) {
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var ttlset = new TtlSet(5000)
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expect(ttlset.head).to.be.null
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ttlset.bump(5)
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expect(ttlset.head.value).to.equal(5)
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ttlset.bump(6)
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expect(ttlset.head.value).to.equal(5)
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done()
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})
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it('should take old item out and make it the tail', function(done) {
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var ttlset = new TtlSet(5000)
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ttlset.bump(1)
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expect(ttlset.head.value).to.equal(1)
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expect(ttlset.tail.value).to.equal(1)
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expect(ttlset.head.next).to.be.null
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expect(ttlset.head.prev).to.be.null
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expect(ttlset.tail.next).to.be.null
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expect(ttlset.tail.prev).to.be.null
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ttlset.bump(2)
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expect(ttlset.head.value).to.equal(1)
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expect(ttlset.tail.value).to.equal(2)
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expect(ttlset.head.next).to.equal(ttlset.tail)
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expect(ttlset.head.prev).to.be.null
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expect(ttlset.tail.next).to.be.null
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expect(ttlset.tail.prev).to.equal(ttlset.head)
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ttlset.bump(1)
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expect(ttlset.head.value).to.equal(2)
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expect(ttlset.tail.value).to.equal(1)
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expect(ttlset.head.next).to.equal(ttlset.tail)
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expect(ttlset.head.prev).to.be.null
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expect(ttlset.tail.next).to.be.null
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expect(ttlset.tail.prev).to.equal(ttlset.head)
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ttlset.bump(1)
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expect(ttlset.head.value).to.equal(2)
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expect(ttlset.tail.value).to.equal(1)
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expect(ttlset.head.next).to.equal(ttlset.tail)
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expect(ttlset.head.prev).to.be.null
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expect(ttlset.tail.next).to.be.null
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expect(ttlset.tail.prev).to.equal(ttlset.head)
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done()
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})
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})
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describe('drop', function() {
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it('should silently ignore unknown values', function(done) {
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var ttlset = new TtlSet(5000)
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ttlset.drop(5)
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done()
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})
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it('should remove the value from the set', function(done) {
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var ttlset = new TtlSet(5000)
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ttlset.bump(5)
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ttlset.drop(5)
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expect(ttlset.tail).to.be.null
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expect(ttlset.head).to.be.null
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ttlset.bump(1)
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ttlset.bump(2)
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ttlset.drop(1)
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expect(ttlset.tail).to.equal(ttlset.head)
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expect(ttlset.tail.value).to.equal(2)
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ttlset.bump(3)
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ttlset.drop(3)
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expect(ttlset.tail).to.equal(ttlset.head)
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expect(ttlset.tail.value).to.equal(2)
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done()
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})
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})
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})
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