This repository has been archived by the owner on Dec 4, 2023. It is now read-only.
forked from mochajs/mocha
/
json.js
119 lines (101 loc) · 2.16 KB
/
json.js
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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
'use strict';
/**
* Module dependencies.
*/
var Base = require('./base');
/**
* Expose `JSON`.
*/
exports = module.exports = JSONReporter;
/**
* Initialize a new `JSON` reporter.
*
* @api public
* @param {Runner} runner
*/
function JSONReporter (runner) {
Base.call(this, runner);
var self = this;
var tests = [];
var pending = [];
var failures = [];
var passes = [];
runner.on('test end', function (test) {
tests.push(test);
});
runner.on('pass', function (test) {
passes.push(test);
});
runner.on('fail', function (test) {
failures.push(test);
});
runner.on('pending', function (test) {
pending.push(test);
});
runner.once('end', function () {
var obj = {
stats: self.stats,
tests: tests.map(clean),
pending: pending.map(clean),
failures: failures.map(clean),
passes: passes.map(clean)
};
runner.testResults = obj;
process.stdout.write(JSON.stringify(obj, null, 2));
});
}
/**
* Return a plain-object representation of `test`
* free of cyclic properties etc.
*
* @api private
* @param {Object} test
* @return {Object}
*/
function clean (test) {
var err = test.err || {};
if (err instanceof Error) {
err = errorJSON(err);
}
return {
title: test.title,
fullTitle: test.fullTitle(),
duration: test.duration,
currentRetry: test.currentRetry(),
err: cleanCycles(err)
};
}
/**
* Replaces any circular references inside `obj` with '[object Object]'
*
* @api private
* @param {Object} obj
* @return {Object}
*/
function cleanCycles (obj) {
var cache = [];
return JSON.parse(JSON.stringify(obj, function (key, value) {
if (typeof value === 'object' && value !== null) {
if (cache.indexOf(value) !== -1) {
// Instead of going in a circle, we'll print [object Object]
return '' + value;
}
cache.push(value);
}
return value;
}));
}
/**
* Transform an Error object into a JSON object.
*
* @api private
* @param {Error} err
* @return {Object}
*/
function errorJSON (err) {
var res = {};
Object.getOwnPropertyNames(err).forEach(function (key) {
res[key] = err[key];
}, err);
return res;
}