1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
var async = require('./support/async');
var expect = require('chai').expect;
describe('transform', function() {
it('transform implictly determines memo if not provided', function(done) {
async.transform([1,2,3], function(memo, x, v, callback){
memo.push(x + 1);
callback();
}, function(err, result){
expect(result).to.eql([2, 3, 4]);
done();
});
});
it('transform async with object memo', function(done) {
async.transform([1,3,2], {}, function(memo, v, k, callback){
setTimeout(function() {
memo[k] = v;
callback();
});
}, function(err, result) {
expect(err).to.equal(null);
expect(result).to.eql({
0: 1,
1: 3,
2: 2
});
done();
});
});
it('transform iterating object', function(done) {
async.transform({a: 1, b: 3, c: 2}, function(memo, v, k, callback){
setTimeout(function() {
memo[k] = v + 1;
callback();
});
}, function(err, result) {
expect(err).to.equal(null);
expect(result).to.eql({a: 2, b: 4, c: 3});
done();
});
});
it('transform error', function(done) {
async.transform([1,2,3], function(a, v, k, callback){
callback('error');
}, function(err){
expect(err).to.equal('error');
done();
});
});
});
|
