blob: 1e5960a98cb471b42f2c840ba30f4e56e344fb11 (
plain)
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
90
91
92
93
94
|
'use strict';
const beforeExitSubscribers = new Set();
const beforeExitHandler = () => {
for (const subscriber of beforeExitSubscribers) {
subscriber();
}
};
const onBeforeExit = subscriber => {
if (beforeExitSubscribers.size === 0) {
// Only listen for the event once, no matter how many Sequences are run
// concurrently.
process.on('beforeExit', beforeExitHandler);
}
beforeExitSubscribers.add(subscriber);
return {
dispose() {
beforeExitSubscribers.delete(subscriber);
if (beforeExitSubscribers.size === 0) {
process.removeListener('beforeExit', beforeExitHandler);
}
}
};
};
class Sequence {
constructor(runnables, bail) {
if (!Array.isArray(runnables)) {
throw new TypeError('Expected an array of runnables');
}
this.runnables = runnables;
this.bail = bail || false;
}
run() {
const iterator = this.runnables[Symbol.iterator]();
let activeRunnable;
const beforeExit = onBeforeExit(() => {
if (activeRunnable.finishDueToInactivity) {
activeRunnable.finishDueToInactivity();
}
});
let allPassed = true;
const finish = () => {
beforeExit.dispose();
return allPassed;
};
const runNext = () => {
let promise;
for (let next = iterator.next(); !next.done; next = iterator.next()) {
activeRunnable = next.value;
const passedOrPromise = activeRunnable.run();
if (!passedOrPromise) {
allPassed = false;
if (this.bail) {
// Stop if the test failed and bail mode is on.
break;
}
} else if (passedOrPromise !== true) {
promise = passedOrPromise;
break;
}
}
if (!promise) {
return finish();
}
return promise.then(passed => {
if (!passed) {
allPassed = false;
if (this.bail) {
// Stop if the test failed and bail mode is on.
return finish();
}
}
return runNext();
});
};
return runNext();
}
}
module.exports = Sequence;
|
