node/test/parallel/test-sync-io-option.js
Evan Lucas 43a82f8a71 test: fix test-sync-io-option
This test was failing occasionally both locally and on CI. Switched
from using spawn to execFile for a more reliable test.

Fixes: https://github.com/nodejs/io.js/issues/1837
PR-URL: https://github.com/nodejs/io.js/pull/1840
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
2015-06-03 13:23:25 -05:00

36 lines
954 B
JavaScript

'use strict';
const assert = require('assert');
const execFile = require('child_process').execFile;
if (process.argv[2] === 'child') {
setImmediate(function() {
require('fs').readFileSync(__filename);
process.exit();
});
} else {
(function runTest(flags) {
var execArgv = [flags.pop()];
var args = [__filename, 'child'];
var cntr = 0;
args = execArgv.concat(args);
if (!args[0]) args.shift();
execFile(process.execPath, args, function(err, stdout, stderr) {
assert.equal(err, null);
assert.equal(stdout, '');
if (/^WARNING[\s\S]*fs\.readFileSync/.test(stderr))
cntr++;
if (args[0] === '--trace-sync-io') {
assert.equal(cntr, 1);
} else if (args[0] === __filename) {
assert.equal(cntr, 0);
} else {
throw new Error('UNREACHABLE');
}
if (flags.length > 0)
setImmediate(runTest, flags);
});
}(['--trace-sync-io', '']));
}