forked from microsoft/TypeScript
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathfailed-tests.js
More file actions
145 lines (129 loc) · 5.02 KB
/
failed-tests.js
File metadata and controls
145 lines (129 loc) · 5.02 KB
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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
// @ts-check
const Mocha = require("mocha");
const path = require("path");
const fs = require("fs");
const os = require("os");
const failingHookRegExp = /^(.*) "(before|after) (all|each)" hook$/;
/**
* .failed-tests reporter
*
* @typedef {Object} ReporterOptions
* @property {string} [file]
* @property {boolean} [keepFailed]
* @property {string|Mocha.ReporterConstructor} [reporter]
* @property {*} [reporterOptions]
*/
class FailedTestsReporter extends Mocha.reporters.Base {
/**
* @param {Mocha.Runner} runner
* @param {{ reporterOptions?: ReporterOptions }} [options]
*/
constructor(runner, options) {
super(runner, options);
if (!runner) return;
const reporterOptions = this.reporterOptions = options.reporterOptions || {};
if (reporterOptions.file === undefined) reporterOptions.file = ".failed-tests";
if (reporterOptions.keepFailed === undefined) reporterOptions.keepFailed = false;
if (reporterOptions.reporter) {
/** @type {Mocha.ReporterConstructor} */
let reporter;
if (typeof reporterOptions.reporter === "function") {
reporter = reporterOptions.reporter;
}
else if (Mocha.reporters[reporterOptions.reporter]) {
reporter = Mocha.reporters[reporterOptions.reporter];
}
else {
try {
reporter = require(reporterOptions.reporter);
}
catch (_) {
reporter = require(path.resolve(process.cwd(), reporterOptions.reporter));
}
}
const newOptions = Object.assign({}, options, { reporterOptions: reporterOptions.reporterOptions || {} });
if (reporterOptions.reporter === "xunit") {
newOptions.reporterOptions.output = "TEST-results.xml";
}
this.reporter = new reporter(runner, newOptions);
}
/** @type {Mocha.Test[]} */
this.passes = [];
/** @type {(Mocha.Test)[]} */
this.failures = [];
runner.on("pass", test => this.passes.push(test));
runner.on("fail", test => this.failures.push(test));
}
/**
* @param {string} file
* @param {ReadonlyArray<Mocha.Test>} passes
* @param {ReadonlyArray<Mocha.Test | Mocha.Hook>} failures
* @param {boolean} keepFailed
* @param {(err?: NodeJS.ErrnoException) => void} done
*/
static writeFailures(file, passes, failures, keepFailed, done) {
const failingTests = new Set(fs.existsSync(file) ? readTests() : undefined);
const possiblyPassingSuites = /**@type {Set<string>}*/(new Set());
// Remove tests that are now passing and track suites that are now
// possibly passing.
if (failingTests.size > 0 && !keepFailed) {
for (const test of passes) {
failingTests.delete(test.fullTitle().trim());
possiblyPassingSuites.add(test.parent.fullTitle().trim());
}
}
// Add tests that are now failing. If a hook failed, track its
// containing suite as failing. If the suite for a test or hook was
// possibly passing then it is now definitely failing.
for (const test of failures) {
const suiteTitle = test.parent.fullTitle().trim();
if (test.type === "test") {
failingTests.add(test.fullTitle().trim());
}
else {
failingTests.add(suiteTitle);
}
possiblyPassingSuites.delete(suiteTitle);
}
// Remove all definitely passing suites.
for (const suite of possiblyPassingSuites) {
failingTests.delete(suite);
}
if (failingTests.size > 0) {
const failed = Array
.from(failingTests)
.sort()
.join(os.EOL);
fs.writeFile(file, failed, "utf8", done);
}
else if (!keepFailed && fs.existsSync(file)) {
fs.unlink(file, done);
}
else {
done();
}
function readTests() {
return fs.readFileSync(file, "utf8")
.split(/\r?\n/g)
.map(line => line.trim())
.filter(line => line.length > 0);
}
}
/**
* @param {number} failures
* @param {(failures: number) => void} [fn]
*/
done(failures, fn) {
FailedTestsReporter.writeFailures(this.reporterOptions.file, this.passes, this.failures, this.reporterOptions.keepFailed || this.stats.tests === 0, (err) => {
const reporter = this.reporter;
if (reporter && reporter.done) {
reporter.done(failures, fn);
}
else if (fn) {
fn(failures);
}
if (err) console.error(err);
});
}
}
module.exports = FailedTestsReporter;