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var async = require('../lib');
var expect = require('chai').expect;
var assert = require('assert');
describe('until', function(){
it('until', function(done) {
var call_order = [];
var count = 0;
async.until(
function () {
call_order.push(['test', count]);
return (count == 5);
},
function (cb) {
call_order.push(['iteratee', count]);
count++;
cb(null, count);
},
function (err, result) {
assert(err === null, err + " passed instead of 'null'");
expect(result).to.equal(5, 'last result passed through');
expect(call_order).to.eql([
['test', 0],
['iteratee', 0], ['test', 1],
['iteratee', 1], ['test', 2],
['iteratee', 2], ['test', 3],
['iteratee', 3], ['test', 4],
['iteratee', 4], ['test', 5],
]);
expect(count).to.equal(5);
done();
}
);
});
it('doUntil', function(done) {
var call_order = [];
var count = 0;
async.doUntil(
function (cb) {
call_order.push(['iteratee', count]);
count++;
cb(null, count);
},
function () {
call_order.push(['test', count]);
return (count == 5);
},
function (err, result) {
assert(err === null, err + " passed instead of 'null'");
expect(result).to.equal(5, 'last result passed through');
expect(call_order).to.eql([
['iteratee', 0], ['test', 1],
['iteratee', 1], ['test', 2],
['iteratee', 2], ['test', 3],
['iteratee', 3], ['test', 4],
['iteratee', 4], ['test', 5]
]);
expect(count).to.equal(5);
done();
}
);
});
it('doUntil callback params', function(done) {
var call_order = [];
var count = 0;
async.doUntil(
function (cb) {
call_order.push(['iteratee', count]);
count++;
cb(null, count);
},
function (c) {
call_order.push(['test', c]);
return (c == 5);
},
function (err, result) {
if (err) throw err;
expect(result).to.equal(5, 'last result passed through');
expect(call_order).to.eql([
['iteratee', 0], ['test', 1],
['iteratee', 1], ['test', 2],
['iteratee', 2], ['test', 3],
['iteratee', 3], ['test', 4],
['iteratee', 4], ['test', 5]
]);
expect(count).to.equal(5);
done();
}
);
});
});
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