514 lines
16 KiB
JavaScript
514 lines
16 KiB
JavaScript
/*globals chai, spooks, require, tryer, suite, setup, test, setTimeout, Promise */
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(function (require, spooks) {
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'use strict';
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var assert, modulePath;
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if (require === undefined) {
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assert = chai.assert;
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require = function () { return tryer; };
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} else {
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assert = require('chai').assert;
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spooks = require('spooks');
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modulePath = '../src/tryer';
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}
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suite('tryer:', function () {
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test('require does not throw', function () {
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assert.doesNotThrow(function () {
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require(modulePath);
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});
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});
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suite('require:', function () {
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var tryer;
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setup(function () {
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tryer = require(modulePath);
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});
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test('function is exported', function () {
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assert.isFunction(tryer);
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});
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test('tryer does not throw when options is missing', function () {
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assert.doesNotThrow(function () {
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tryer();
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});
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});
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test('tryer does not throw when options is object', function () {
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assert.doesNotThrow(function () {
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tryer({});
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});
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});
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suite('when passing immediately:', function () {
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var log, predicate, action, fail, pass;
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setup(function (done) {
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log = {};
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predicate = spooks.fn({ name: 'predicate', log: log, results: [ true ] });
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action = spooks.fn({ name: 'action', log: log });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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pass = spooks.fn({ name: 'pass', log: log, callback: done });
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tryer({
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when: predicate,
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action: action,
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fail: fail,
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pass: pass,
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interval: 0,
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limit: 3
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});
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});
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test('predicate was called once', function () {
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assert.strictEqual(log.counts.predicate, 1);
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});
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test('action was called once', function () {
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assert.strictEqual(log.counts.action, 1);
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});
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test('fail was not called', function () {
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assert.strictEqual(log.counts.fail, 0);
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});
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test('pass was called once', function () {
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assert.strictEqual(log.counts.pass, 1);
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});
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});
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suite('when failing three times:', function () {
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var log, predicate, action, fail, pass;
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setup(function (done) {
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log = {};
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predicate = spooks.fn({ name: 'predicate', log: log, results: [ false ] });
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action = spooks.fn({ name: 'action', log: log });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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pass = spooks.fn({ name: 'pass', log: log, callback: done });
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tryer({
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when: predicate,
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action: action,
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fail: fail,
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pass: pass,
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interval: 0,
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limit: 3
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});
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});
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test('predicate was called three times', function () {
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assert.strictEqual(log.counts.predicate, 3);
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});
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test('action was not called', function () {
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assert.strictEqual(log.counts.action, 0);
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});
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test('fail was called once', function () {
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assert.strictEqual(log.counts.fail, 1);
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});
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test('pass was not called', function () {
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assert.strictEqual(log.counts.pass, 0);
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});
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});
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suite('when failing five times:', function () {
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var log, predicate, action, fail;
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setup(function (done) {
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log = {};
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predicate = spooks.fn({ name: 'predicate', log: log, results: [ false ] });
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action = spooks.fn({ name: 'action', log: log, callback: done });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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tryer({ when: predicate, action: action, fail: fail, interval: 0, limit: 5 });
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});
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test('predicate was called five times', function () {
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assert.strictEqual(log.counts.predicate, 5);
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});
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test('action was not called', function () {
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assert.strictEqual(log.counts.action, 0);
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});
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test('fail was called once', function () {
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assert.strictEqual(log.counts.fail, 1);
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});
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});
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suite('when failing exponentially:', function () {
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var log, timestamps, predicate, action, fail;
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setup(function (done) {
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log = {};
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timestamps = [];
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predicate = spooks.fn({
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name: 'predicate',
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log: log,
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results: [ false ],
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callback: function () {
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timestamps.push(Date.now());
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}
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});
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action = spooks.fn({ name: 'action', log: log, callback: done });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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timestamps.push(Date.now());
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tryer({ when: predicate, action: action, fail: fail, interval: -10, limit: 4 });
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});
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test('five timestamps were recorded', function () {
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assert.lengthOf(timestamps, 5);
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});
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test('first interval is immediate', function () {
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assert.isTrue(timestamps[1] < timestamps[0] + 5);
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});
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test('second interval is about 10 ms', function () {
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assert.isTrue(timestamps[2] >= timestamps[1] + 10);
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assert.isTrue(timestamps[2] < timestamps[1] + 15);
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});
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test('third interval is about 20 ms', function () {
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assert.isTrue(timestamps[3] >= timestamps[2] + 20);
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assert.isTrue(timestamps[3] < timestamps[2] + 30);
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});
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test('fourth interval is about 40 ms', function () {
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assert.isTrue(timestamps[4] >= timestamps[3] + 40);
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assert.isTrue(timestamps[4] < timestamps[3] + 50);
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});
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});
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suite('until passing immediately:', function () {
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var log, predicate, action, fail, pass;
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setup(function (done) {
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log = {};
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predicate = spooks.fn({ name: 'predicate', log: log, results: [ true ] });
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action = spooks.fn({ name: 'action', log: log });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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pass = spooks.fn({ name: 'pass', log: log, callback: done });
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tryer({
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until: predicate,
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action: action,
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fail: fail,
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pass: pass,
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interval: 0,
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limit: 3
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});
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});
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test('predicate was called once', function () {
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assert.strictEqual(log.counts.predicate, 1);
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});
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test('action was called once', function () {
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assert.strictEqual(log.counts.action, 1);
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});
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test('fail was not called', function () {
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assert.strictEqual(log.counts.fail, 0);
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});
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test('pass was called once', function () {
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assert.strictEqual(log.counts.pass, 1);
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});
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test('pass was called once', function () {
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assert.strictEqual(log.counts.pass, 1);
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});
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});
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suite('until failing three times:', function () {
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var log, predicate, action, fail, pass;
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setup(function (done) {
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log = {};
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predicate = spooks.fn({ name: 'predicate', log: log, results: [ false ] });
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action = spooks.fn({ name: 'action', log: log });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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pass = spooks.fn({ name: 'pass', log: log, callback: done });
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tryer({
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until: predicate,
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action: action,
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fail: fail,
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pass: pass,
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interval: 0,
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limit: 3
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});
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});
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test('predicate was called three times', function () {
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assert.strictEqual(log.counts.predicate, 3);
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});
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test('action was called three times', function () {
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assert.strictEqual(log.counts.action, 3);
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});
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test('fail was called once', function () {
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assert.strictEqual(log.counts.fail, 1);
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});
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test('pass was not called', function () {
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assert.strictEqual(log.counts.pass, 0);
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});
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});
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suite('until failing five times:', function () {
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var log, predicate, action, fail;
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setup(function (done) {
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log = {};
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predicate = spooks.fn({ name: 'predicate', log: log, results: [ false ] });
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action = spooks.fn({ name: 'action', log: log });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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tryer({ until: predicate, action: action, fail: fail, interval: 0, limit: 5 });
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});
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test('predicate was called five times', function () {
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assert.strictEqual(log.counts.predicate, 5);
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});
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test('action was called five times', function () {
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assert.strictEqual(log.counts.action, 5);
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});
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test('fail was called once', function () {
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assert.strictEqual(log.counts.fail, 1);
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});
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});
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suite('until failing exponentially:', function () {
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var log, timestamps, predicate, action, fail;
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setup(function (done) {
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log = {};
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timestamps = [];
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predicate = spooks.fn({
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name: 'predicate',
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log: log,
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results: [ false ],
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callback: function () {
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timestamps.push(Date.now());
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}
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});
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action = spooks.fn({ name: 'action', log: log });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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timestamps.push(Date.now());
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tryer({ until: predicate, action: action, fail: fail, interval: -10, limit: 4 });
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});
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test('five timestamps were recorded', function () {
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assert.lengthOf(timestamps, 5);
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});
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test('first interval is immediate', function () {
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assert.isTrue(timestamps[1] < timestamps[0] + 5);
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});
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test('second interval is about 10 ms', function () {
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assert.isTrue(timestamps[2] >= timestamps[1] + 10);
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assert.isTrue(timestamps[2] < timestamps[1] + 20);
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});
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test('third interval is about 20 ms', function () {
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assert.isTrue(timestamps[3] >= timestamps[2] + 20);
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assert.isTrue(timestamps[3] < timestamps[2] + 30);
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});
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test('fourth interval is about 40 ms', function () {
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assert.isTrue(timestamps[4] >= timestamps[3] + 40);
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assert.isTrue(timestamps[4] < timestamps[3] + 50);
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});
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});
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suite('when failing once then passing and until failing twice then passing', function () {
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var log, predicateLoggers, predicates, action, fail, pass;
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setup(function (done) {
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log = {};
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predicateLoggers = {
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when: spooks.fn({ name: 'when', log: log }),
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until: spooks.fn({ name: 'until', log: log })
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};
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predicates = {
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when: function () {
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predicateLoggers.when.apply(this, arguments);
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if (log.counts.when === 1) {
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return false;
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}
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return true;
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},
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until: function () {
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predicateLoggers.until.apply(this, arguments);
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if (log.counts.until < 3) {
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return false;
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}
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return true;
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}
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};
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action = spooks.fn({ name: 'action', log: log });
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fail = spooks.fn({ name: 'fail', log: log, callback: done });
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pass = spooks.fn({ name: 'pass', log: log, callback: done });
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tryer({
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when: predicates.when,
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until: predicates.until,
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action: action,
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fail: fail,
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pass: pass,
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interval: 0,
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limit: 4
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});
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});
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test('when was called twice', function () {
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assert.strictEqual(log.counts.when, 2);
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});
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test('action was called three times', function () {
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assert.strictEqual(log.counts.action, 3);
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});
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test('until was called three times', function () {
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assert.strictEqual(log.counts.until, 3);
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});
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test('fail was not called', function () {
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assert.strictEqual(log.counts.fail, 0);
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});
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test('pass was called once', function () {
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assert.strictEqual(log.counts.pass, 1);
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});
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});
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suite('asynchronous action:', function () {
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var log, timestamps, predicate, action;
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setup(function (done) {
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log = {};
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timestamps = [];
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predicate = function () {
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timestamps.push(Date.now());
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return false;
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};
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action = function (tryerDone) {
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setTimeout(tryerDone, 10);
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};
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timestamps.push(Date.now());
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tryer({ until: predicate, action: action, fail: done, interval: 0, limit: 3 });
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});
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test('four timestamps were recorded', function () {
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assert.lengthOf(timestamps, 4);
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});
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test('first interval is about 10 ms', function () {
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assert.isTrue(timestamps[1] >= timestamps[0] + 10);
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assert.isTrue(timestamps[1] < timestamps[0] + 20);
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});
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test('second interval is about 10 ms', function () {
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assert.isTrue(timestamps[2] >= timestamps[1] + 10);
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assert.isTrue(timestamps[2] < timestamps[1] + 20);
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});
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test('third interval is about 10 ms', function () {
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assert.isTrue(timestamps[3] >= timestamps[2] + 10);
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assert.isTrue(timestamps[3] < timestamps[2] + 20);
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});
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});
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if (typeof Promise === 'function') {
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suite('promise-resolving action:', function () {
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var log, timestamps, predicate, action;
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setup(function (done) {
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log = {};
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timestamps = [];
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predicate = function () {
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timestamps.push(Date.now());
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return false;
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};
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action = function () {
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return new Promise(function (resolve) {
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setTimeout(resolve, 10);
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});
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};
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timestamps.push(Date.now());
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tryer({ until: predicate, action: action, fail: done, interval: 0, limit: 3 });
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});
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test('four timestamps were recorded', function () {
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assert.lengthOf(timestamps, 4);
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});
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test('first interval is about 10 ms', function () {
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assert.isTrue(timestamps[1] >= timestamps[0] + 10);
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assert.isTrue(timestamps[1] < timestamps[0] + 20);
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});
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test('second interval is about 10 ms', function () {
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assert.isTrue(timestamps[2] >= timestamps[1] + 10);
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assert.isTrue(timestamps[2] < timestamps[1] + 20);
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});
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test('third interval is about 10 ms', function () {
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assert.isTrue(timestamps[3] >= timestamps[2] + 10);
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assert.isTrue(timestamps[3] < timestamps[2] + 20);
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});
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});
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suite('promise-rejecting action:', function () {
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var log, timestamps, predicate, action;
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setup(function (done) {
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log = {};
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timestamps = [];
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predicate = function () {
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timestamps.push(Date.now());
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return false;
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};
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action = function () {
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return new Promise(function (_, reject) {
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setTimeout(reject, 10);
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});
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};
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timestamps.push(Date.now());
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tryer({ until: predicate, action: action, fail: done, interval: 0, limit: 3 });
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});
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test('four timestamps were recorded', function () {
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assert.lengthOf(timestamps, 4);
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});
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test('first interval is about 10 ms', function () {
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assert.isTrue(timestamps[1] >= timestamps[0] + 10);
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assert.isTrue(timestamps[1] < timestamps[0] + 20);
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});
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test('second interval is about 10 ms', function () {
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assert.isTrue(timestamps[2] >= timestamps[1] + 10);
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assert.isTrue(timestamps[2] < timestamps[1] + 20);
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});
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test('third interval is about 10 ms', function () {
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assert.isTrue(timestamps[3] >= timestamps[2] + 10);
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assert.isTrue(timestamps[3] < timestamps[2] + 20);
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});
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});
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}
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});
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});
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}(
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typeof require === 'function' ? require : undefined,
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typeof spooks === 'object' ? spooks : undefined)
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);
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