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lib: deprecate node --debug at runtime
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PR-URL: #11275
Backport-of: #10970
Reviewed-By: James M Snell <jasnell@gmail.com>
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joshgav authored and italoacasas committed Feb 27, 2017
1 parent b1b6b8b commit 614742b
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Showing 3 changed files with 25 additions and 5 deletions.
4 changes: 4 additions & 0 deletions lib/_debug_agent.js
Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
'use strict';

process.emitWarning(
'node --debug is deprecated. Please use node --inspect instead.',
'DeprecationWarning');

const assert = require('assert');
const net = require('net');
const util = require('util');
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23 changes: 19 additions & 4 deletions test/parallel/test-debug-port-from-cmdline.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,19 @@
const common = require('../common');
const assert = require('assert');
const spawn = require('child_process').spawn;
const os = require('os');

const debugPort = common.PORT;
const args = ['--interactive', '--debug-port=' + debugPort];
const childOptions = { stdio: ['pipe', 'pipe', 'pipe', 'ipc'] };
const child = spawn(process.execPath, args, childOptions);

const reDeprecationWarning = new RegExp(
/^\(node:\d+\) DeprecationWarning: /.source +
/node --debug is deprecated. /.source +
/Please use node --inspect instead.$/.source
);

child.stdin.write("process.send({ msg: 'childready' });\n");

child.stderr.on('data', function(data) {
Expand Down Expand Up @@ -37,12 +44,20 @@ function processStderrLine(line) {
}

function assertOutputLines() {
const expectedLines = [
'Starting debugger agent.',
'Debugger listening on 127.0.0.1:' + debugPort,
// need a var so can swap the first two lines in following
// eslint-disable-next-line no-var
var expectedLines = [
/^Starting debugger agent.$/,
reDeprecationWarning,
new RegExp(`^Debugger listening on 127.0.0.1:${debugPort}$`)
];

if (os.platform() === 'win32') {
expectedLines[1] = expectedLines[0];
expectedLines[0] = reDeprecationWarning;
}

assert.strictEqual(outputLines.length, expectedLines.length);
for (let i = 0; i < expectedLines.length; i++)
assert(expectedLines[i].includes(outputLines[i]));
assert(expectedLines[i].test(outputLines[i]));
}
3 changes: 2 additions & 1 deletion test/parallel/test-debug-signal-cluster.js
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,8 @@ const path = require('path');

const port = common.PORT;
const serverPath = path.join(common.fixturesDir, 'clustered-server', 'app.js');
const args = [`--debug-port=${port}`, serverPath];
// cannot use 'Flags: --no-deprecation' since it doesn't effect child
const args = [`--debug-port=${port}`, '--no-deprecation', serverPath];
const options = { stdio: ['inherit', 'inherit', 'pipe', 'ipc'] };
const child = spawn(process.execPath, args, options);

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