node/test/sequential/test-deprecation-flags.js
Sakthipriyan Vairamani 9cd44bb2b6 util: prepend '(node) ' to deprecation messages
Changes included in this commit are

   1. Making the deprecation messages consistent. The messages will be in
      the following format

           x is deprecated. Use y instead.

      If there is no alternative for `x`, then the ` Use y instead.` part
      will not be there in the message.

   2. All the internal deprecation messages are printed with the prefix
      `(node) `, except when the `--trace-deprecation` flag is set.

Fixes: https://github.com/nodejs/io.js/issues/1883
PR-URL: https://github.com/nodejs/io.js/pull/1892
Reviewed-By: Roman Reiss <me@silverwind.io>
2015-07-03 16:32:29 +02:00

50 lines
1.7 KiB
JavaScript

'use strict';
var common = require('../common');
var assert = require('assert');
var execFile = require('child_process').execFile;
var depmod = require.resolve('../fixtures/deprecated.js');
var node = process.execPath;
var depUserland =
require.resolve('../fixtures/deprecated-userland-function.js');
var normal = [depmod];
var noDep = ['--no-deprecation', depmod];
var traceDep = ['--trace-deprecation', depmod];
execFile(node, normal, function(er, stdout, stderr) {
console.error('normal: show deprecation warning');
assert.equal(er, null);
assert.equal(stdout, '');
assert.equal(stderr, '(node) util.p is deprecated. Use console.error ' +
'instead.\n\'This is deprecated\'\n');
console.log('normal ok');
});
execFile(node, noDep, function(er, stdout, stderr) {
console.error('--no-deprecation: silence deprecations');
assert.equal(er, null);
assert.equal(stdout, '');
assert.equal(stderr, '\'This is deprecated\'\n');
console.log('silent ok');
});
execFile(node, traceDep, function(er, stdout, stderr) {
console.error('--trace-deprecation: show stack');
assert.equal(er, null);
assert.equal(stdout, '');
var stack = stderr.trim().split('\n');
// just check the top and bottom.
assert.equal(stack[0],
'Trace: util.p is deprecated. Use console.error instead.');
assert.equal(stack.pop(), '\'This is deprecated\'');
console.log('trace ok');
});
execFile(node, [depUserland], function(er, stdout, stderr) {
console.error('normal: testing deprecated userland function');
assert.equal(er, null);
assert.equal(stdout, '');
assert.equal(0, stderr.indexOf('deprecatedFunction is deprecated.'));
console.error('normal: ok');
});