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var async = require('../lib');
var expect = require('chai').expect;
var assert = require('assert');
describe('tryEach', function () {
it('no callback', function () {
async.tryEach([]);
});
it('empty', function (done) {
async.tryEach([], function (err, results) {
expect(err).to.equal(null);
expect(results).to.eql(undefined);
done();
});
});
it('one task, multiple results', function (done) {
var RESULTS = ['something', 'something2'];
async.tryEach([
function (callback) {
callback(null, RESULTS[0], RESULTS[1]);
}
], function (err, results) {
expect(err).to.equal(null);
expect(results).to.eql(RESULTS);
done();
});
});
it('one task', function (done) {
var RESULT = 'something';
async.tryEach([
function (callback) {
callback(null, RESULT);
}
], function (err, results) {
expect(err).to.equal(null);
expect(results).to.eql(RESULT);
done();
});
});
it('two tasks, one failing', function (done) {
var RESULT = 'something';
async.tryEach([
function (callback) {
callback(new Error('Failure'), {});
},
function (callback) {
callback(null, RESULT);
}
], function (err, results) {
expect(err).to.equal(null);
expect(results).to.eql(RESULT);
done();
});
});
it('two tasks, both failing', function (done) {
var ERROR_RESULT = new Error('Failure2');
async.tryEach([
function (callback) {
callback(new Error('Should not stop here'));
},
function (callback) {
callback(ERROR_RESULT);
}
], function (err, results) {
expect(err).to.equal(ERROR_RESULT);
expect(results).to.eql(undefined);
done();
});
});
it('two tasks, non failing', function (done) {
var RESULT = 'something';
async.tryEach([
function (callback) {
callback(null, RESULT);
},
function () {
assert.fail('Should not been called');
},
], function (err, results) {
expect(err).to.equal(null);
expect(results).to.eql(RESULT);
done();
});
});
});
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