112 lines
2.7 KiB
JavaScript
112 lines
2.7 KiB
JavaScript
'use strict';
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var _ = require('lodash');
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var chai = require('chai');
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var sinon = require('sinon');
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var should = chai.should();
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var Lock = require('../lib/locallock');
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describe('Local locks', function() {
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var lock;
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beforeEach(function() {
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this.clock = sinon.useFakeTimers();
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lock = new Lock();
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});
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afterEach(function() {
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this.clock.restore();
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});
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it('should lock tasks using the same token', function() {
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var a = false,
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b = false;
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lock.locked('123', 0, 0, function(err, release) {
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should.not.exist(err);
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a = true;
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setTimeout(function() {
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release();
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}, 5);
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lock.locked('123', 0, 0, function(err, release) {
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should.not.exist(err);
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b = true;
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release();
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});
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});
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a.should.equal(true);
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b.should.equal(false);
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this.clock.tick(10);
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a.should.equal(true);
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b.should.equal(true);
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});
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it('should not lock tasks using different tokens', function() {
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var i = 0;
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lock.locked('123', 0, 0, function(err, release) {
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should.not.exist(err);
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i++;
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setTimeout(function() {
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release();
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}, 5);
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lock.locked('456', 0, 0, function(err, release) {
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should.not.exist(err);
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i++;
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release();
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});
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});
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i.should.equal(2);
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});
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it('should return error if unable to acquire lock', function() {
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lock.locked('123', 0, 0, function(err, release) {
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should.not.exist(err);
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setTimeout(function() {
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release();
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}, 5);
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lock.locked('123', 1, 0, function(err, release) {
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should.exist(err);
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err.toString().should.contain('Could not acquire lock 123');
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});
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});
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this.clock.tick(2);
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});
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it('should release lock if acquired for a long time', function() {
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var i = 0;
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lock.locked('123', 0, 3, function(err, release) {
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should.not.exist(err);
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i++;
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lock.locked('123', 20, 0, function(err, release) {
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should.not.exist(err);
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i++;
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release();
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});
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});
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i.should.equal(1);
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this.clock.tick(1);
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i.should.equal(1);
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this.clock.tick(10);
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i.should.equal(2);
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});
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it('should only release one pending task on lock timeout', function() {
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var i = 0;
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lock.locked('123', 0, 3, function(err, release) {
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should.not.exist(err);
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i++;
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lock.locked('123', 5, 0, function(err, release) {
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should.not.exist(err);
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i++;
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setTimeout(function() {
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release();
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}, 5);
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});
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lock.locked('123', 20, 0, function(err, release) {
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should.not.exist(err);
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i++;
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release();
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});
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});
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i.should.equal(1);
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this.clock.tick(4);
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i.should.equal(2)
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this.clock.tick(7);
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i.should.equal(3)
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});
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});
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