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