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var async = require('../lib');
var expect = require('chai').expect;
var assert = require('assert');
var _ = require('lodash');
describe("eachOf", function() {
function forEachOfNoCallbackIteratee(done, x, key, callback) {
expect(x).to.equal(1);
expect(key).to.equal("a");
callback();
done();
}
function forEachOfIteratee(args, value, key, callback) {
setTimeout(function(){
args.push(key, value);
callback();
}, value*25);
}
it('eachOf alias', function(done) {
expect(async.eachOf).to.equal(async.forEachOf);
done();
});
it('eachOfLimit alias', function(done) {
expect(async.eachOfLimit).to.equal(async.forEachOfLimit);
done();
});
it('eachOfSeries alias', function(done) {
expect(async.eachOfSeries).to.equal(async.forEachOfSeries);
done();
});
it('forEachOf', function(done) {
var args = [];
async.forEachOf({ a: 1, b: 2 }, forEachOfIteratee.bind(this, args), function(err){
assert(err === null, err + " passed instead of 'null'");
expect(args).to.eql(["a", 1, "b", 2]);
done();
});
});
it('forEachOf - instant resolver', function(done) {
var args = [];
async.forEachOf({ a: 1, b: 2 }, function(x, k, cb) {
args.push(k, x);
cb();
}, function(){
// ensures done callback isn't called before all items iterated
expect(args).to.eql(["a", 1, "b", 2]);
done();
});
});
it('forEachOf empty object', function(done) {
async.forEachOf({}, function(value, key, callback){
assert(false, 'iteratee should not be called');
callback();
}, function(err) {
if (err) throw err;
assert(true, 'should call callback');
});
setTimeout(done, 25);
});
it('forEachOf empty array', function(done) {
async.forEachOf([], function(value, key, callback){
assert(false, 'iteratee should not be called');
callback();
}, function(err) {
if (err) throw err;
assert(true, 'should call callback');
});
setTimeout(done, 25);
});
it('forEachOf error', function(done) {
async.forEachOf({ a: 1, b: 2 }, function(value, key, callback) {
callback('error');
}, function(err){
expect(err).to.equal('error');
});
setTimeout(done, 50);
});
it('forEachOf no callback', function(done) {
async.forEachOf({ a: 1 }, forEachOfNoCallbackIteratee.bind(this, done));
});
it('forEachOf with array', function(done) {
var args = [];
async.forEachOf([ "a", "b" ], forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([0, "a", 1, "b"]);
done();
});
});
it('forEachOf with Set (iterators)', function(done) {
if (typeof Set !== 'function')
return done();
var args = [];
var set = new Set();
set.add("a");
set.add("b");
async.forEachOf(set, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([0, "a", 1, "b"]);
done();
});
});
it('forEachOf with Map (iterators)', function(done) {
if (typeof Map !== 'function')
return done();
var args = [];
var map = new Map();
map.set(1, "a");
map.set(2, "b");
async.forEachOf(map, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([0, [1, "a"], 1, [2, "b"]]);
done();
});
});
it('forEachOfSeries', function(done) {
var args = [];
async.forEachOfSeries({ a: 1, b: 2 }, forEachOfIteratee.bind(this, args), function(err){
assert(err === null, err + " passed instead of 'null'");
expect(args).to.eql([ "a", 1, "b", 2 ]);
done();
});
});
it('forEachOfSeries empty object', function(done) {
async.forEachOfSeries({}, function(x, callback){
assert(false, 'iteratee should not be called');
callback();
}, function(err){
if (err) throw err;
assert(true, 'should call callback');
});
setTimeout(done, 25);
});
it('forEachOfSeries error', function(done) {
var call_order = [];
async.forEachOfSeries({ a: 1, b: 2 }, function(value, key, callback){
call_order.push(value, key);
callback('error');
}, function(err){
expect(call_order).to.eql([ 1, "a" ]);
expect(err).to.equal('error');
});
setTimeout(done, 50);
});
it('forEachOfSeries no callback', function(done) {
async.forEachOfSeries({ a: 1 }, forEachOfNoCallbackIteratee.bind(this, done));
});
it('forEachOfSeries with array', function(done) {
var args = [];
async.forEachOfSeries([ "a", "b" ], forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([ 0, "a", 1, "b" ]);
done();
});
});
it('forEachOfSeries with Set (iterators)', function(done) {
if (typeof Set !== 'function')
return done();
var args = [];
var set = new Set();
set.add("a");
set.add("b");
async.forEachOfSeries(set, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([0, "a", 1, "b"]);
done();
});
});
it('forEachOfSeries with Map (iterators)', function(done) {
if (typeof Map !== 'function')
return done();
var args = [];
var map = new Map();
map.set(1, "a");
map.set(2, "b");
async.forEachOfSeries(map, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([0, [1, "a"], 1, [2, "b"]]);
done();
});
});
it('forEachOfLimit', function(done) {
var args = [];
var obj = { a: 1, b: 2, c: 3, d: 4 };
async.forEachOfLimit(obj, 2, function(value, key, callback){
setTimeout(function(){
args.push(value, key);
callback();
}, value * 5);
}, function(err){
assert(err === null, err + " passed instead of 'null'");
expect(args).to.eql([ 1, "a", 2, "b", 3, "c", 4, "d" ]);
done();
});
});
it('forEachOfLimit empty object', function(done) {
async.forEachOfLimit({}, 2, function(value, key, callback){
assert(false, 'iteratee should not be called');
callback();
}, function(err){
if (err) throw err;
assert(true, 'should call callback');
});
setTimeout(done, 25);
});
it('forEachOfLimit limit exceeds size', function(done) {
var args = [];
var obj = { a: 1, b: 2, c: 3, d: 4, e: 5 };
async.forEachOfLimit(obj, 10, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([ "a", 1, "b", 2, "c", 3, "d", 4, "e", 5 ]);
done();
});
});
it('forEachOfLimit limit equal size', function(done) {
var args = [];
var obj = { a: 1, b: 2, c: 3, d: 4, e: 5 };
async.forEachOfLimit(obj, 5, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([ "a", 1, "b", 2, "c", 3, "d", 4, "e", 5 ]);
done();
});
});
it('forEachOfLimit zero limit', function(done) {
async.forEachOfLimit({ a: 1, b: 2 }, 0, function(x, callback){
assert(false, 'iteratee should not be called');
callback();
}, function(err){
if (err) throw err;
assert(true, 'should call callback');
});
setTimeout(done, 25);
});
it('forEachOfLimit no limit', function(done) {
var count = 0;
async.forEachOfLimit(_.range(100), Infinity, function(x, i, callback){
count++;
callback();
}, function(err){
if (err) throw err;
expect(count).to.equal(100);
});
setTimeout(done, 25);
});
it('forEachOfLimit error', function(done) {
var obj = { a: 1, b: 2, c: 3, d: 4, e: 5 };
var call_order = [];
async.forEachOfLimit(obj, 3, function(value, key, callback){
call_order.push(value, key);
if (value === 2) {
callback('error');
}
}, function(err){
expect(call_order).to.eql([ 1, "a", 2, "b" ]);
expect(err).to.equal('error');
});
setTimeout(done, 25);
});
it('forEachOfLimit no callback', function(done) {
async.forEachOfLimit({ a: 1 }, 1, forEachOfNoCallbackIteratee.bind(this, done));
});
it('forEachOfLimit synchronous', function(done) {
var args = [];
var obj = { a: 1, b: 2 };
async.forEachOfLimit(obj, 5, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([ "a", 1, "b", 2 ]);
done();
});
});
it('forEachOfLimit with array', function(done) {
var args = [];
var arr = [ "a", "b" ];
async.forEachOfLimit(arr, 1, forEachOfIteratee.bind(this, args), function (err) {
if (err) throw err;
expect(args).to.eql([ 0, "a", 1, "b" ]);
done();
});
});
it('forEachOfLimit with Set (iterators)', function(done) {
if (typeof Set !== 'function')
return done();
var args = [];
var set = new Set();
set.add("a");
set.add("b");
async.forEachOfLimit(set, 1, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([0, "a", 1, "b"]);
done();
});
});
it('forEachOfLimit with Map (iterators)', function(done) {
if (typeof Map !== 'function')
return done();
var args = [];
var map = new Map();
map.set(1, "a");
map.set(2, "b");
async.forEachOfLimit(map, 1, forEachOfIteratee.bind(this, args), function(err){
if (err) throw err;
expect(args).to.eql([0, [1, "a"], 1, [2, "b"]]);
done();
});
});
});
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