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';
var common = require('../common');
var assert = require('assert');
var cluster = require('cluster');
if (cluster.isWorker) {
var http = require('http');
http.Server(function() {
}).listen(common.PORT, '127.0.0.1');
cluster.worker.on('disconnect', function() {
process.exit(42);
});
} else if (cluster.isMaster) {
var checks = {
cluster: {
emitDisconnect: false,
emitExit: false,
callback: false
},
worker: {
emitDisconnect: false,
emitDisconnectInsideWorker: false,
emitExit: false,
state: false,
suicideMode: false,
died: false
}
};
// helper function to check if a process is alive
var alive = function(pid) {
try {
process.kill(pid, 0);
return true;
} catch (e) {
return false;
}
};
// start worker
var worker = cluster.fork();
// Disconnect worker when it is ready
worker.once('listening', function() {
worker.disconnect();
});
// Check cluster events
cluster.once('disconnect', function() {
checks.cluster.emitDisconnect = true;
});
cluster.once('exit', function() {
checks.cluster.emitExit = true;
});
// Check worker events and properties
worker.once('disconnect', function() {
checks.worker.emitDisconnect = true;
checks.worker.suicideMode = worker.suicide;
checks.worker.state = worker.state;
});
// Check that the worker died
worker.once('exit', function(code) {
checks.worker.emitExit = true;
checks.worker.died = !alive(worker.process.pid);
checks.worker.emitDisconnectInsideWorker = code === 42;
});
process.once('exit', function() {
var w = checks.worker;
var c = checks.cluster;
// events
assert.ok(w.emitDisconnect, 'Disconnect event did not emit');
assert.ok(w.emitDisconnectInsideWorker,
'Disconnect event did not emit inside worker');
assert.ok(c.emitDisconnect, 'Disconnect event did not emit');
assert.ok(w.emitExit, 'Exit event did not emit');
assert.ok(c.emitExit, 'Exit event did not emit');
// flags
assert.equal(w.state, 'disconnected', 'The state property was not set');
assert.equal(w.suicideMode, true, 'Suicide mode was not set');
// is process alive
assert.ok(w.died, 'The worker did not die');
});
}
|
