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var common = require('../common');
var assert = require('assert');
if (process.argv[2] === 'child')
child();
else
parent();
function parent() {
test('foo,tud,bar', true);
test('foo,tud', true);
test('tud,bar', true);
test('tud', true);
test('foo,bar', false);
test('', false);
}
function test(environ, shouldWrite) {
var expectErr = '';
if (shouldWrite) {
expectErr = 'TUD %PID%: this { is: \'a\' } /debugging/\n' +
'TUD %PID%: number=1234 string=asdf obj={"foo":"bar"}\n';
}
var expectOut = 'ok\n';
var didTest = false;
var spawn = require('child_process').spawn;
var child = spawn(process.execPath, [__filename, 'child'], {
// Lttng requires the HOME env variable or it prints to stderr,
// This is not really ideal, as it breaks this test, so the HOME
// env variable is passed to the child to make the test pass.
// this is fixed in the next version of lttng (2.7+), so we can
// remove it at sometime in the future.
env: { NODE_DEBUG: environ, HOME: process.env.HOME }
});
expectErr = expectErr.split('%PID%').join(child.pid);
var err = '';
child.stderr.setEncoding('utf8');
child.stderr.on('data', function(c) {
err += c;
});
var out = '';
child.stdout.setEncoding('utf8');
child.stdout.on('data', function(c) {
out += c;
});
child.on('close', function(c) {
assert(!c);
assert.equal(err, expectErr);
assert.equal(out, expectOut);
didTest = true;
console.log('ok %j %j', environ, shouldWrite);
});
process.on('exit', function() {
assert(didTest);
});
}
function child() {
var util = require('util');
var debug = util.debuglog('tud');
debug('this', { is: 'a' }, /debugging/);
debug('number=%d string=%s obj=%j', 1234, 'asdf', { foo: 'bar' });
console.log('ok');
}