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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
var Q = require('../kew')
// test that contexts are propogated based on position
exports.testContextWithDelay = function (test) {
Q.resolve(true)
.setContext({id: 1})
.then(function (val, context) {
test.equal(context.id, 1, 'Should return the first context')
return Q.delay(500)
})
.setContext({id: 2})
.then(function (val, context) {
test.equal(context.id, 2, 'Should return the second context')
return Q.delay(500)
})
.clearContext()
.then(function (val, context) {
test.equal(typeof context, 'undefined', 'Should return an undefined context')
return Q.delay(500)
})
.setContext({id: 3})
.fin(test.done)
}
// test adding and removing contexts
exports.testGeneralContextFlow = function (test) {
Q.resolve(true)
// test no context exists
.then(function (val, context) {
test.equal(typeof context, 'undefined', 'Context should be undefined')
throw new Error()
})
.fail(function (e, context) {
test.equal(typeof context, 'undefined', 'Context should be undefined')
})
// set the context and mutate it
.setContext({counter: 1})
.then(function (val, context) {
test.equal(context.counter, 1, 'Counter should be 1')
context.counter++
})
.then(function (val, context) {
test.equal(context.counter, 2, 'Counter should be 2')
context.counter++
throw new Error()
})
.fail(function (e, context) {
test.equal(context.counter, 3, 'Counter should be 3')
})
// return a context
.then(function (val, context) {
return Q.resolve(false)
.setContext({counter: 0})
})
.then(function (val, context) {
test.equal(context.counter, 0, 'Counter should be 0')
throw new Error()
})
.fail(function (e, context) {
test.equal(context.counter, 0, 'Counter should be 0')
})
// returning a promise with a cleared context won't clear the parent context
.then(function (val, context) {
return Q.resolve(false).clearContext()
})
.then(function (val, context) {
test.equal(context.counter, 0, 'Counter should be 0')
throw new Error()
})
.fail(function (e, context) {
test.equal(context.counter, 0, 'Counter should be 0')
})
// test that clearing the context works
.clearContext()
.then(function (val, context) {
test.equal(typeof context, 'undefined', 'Context should be undefined')
throw new Error()
})
.fail(function (e, context) {
test.equal(typeof context, 'undefined', 'Context should be undefined')
})
.fin(test.done)
}
|
