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'use strict';
require('../common');
const assert = require('assert');
const path = require('path');
const child_process = require('child_process');
var nodeBinary = process.argv[0];
var preloadOption = function(preloads) {
var option = '';
preloads.forEach(function(preload, index) {
option += '-r ' + preload + ' ';
});
return option;
};
var fixture = function(name) {
return path.join(__dirname, '../fixtures/' + name);
};
var fixtureA = fixture('printA.js');
var fixtureB = fixture('printB.js');
var fixtureC = fixture('printC.js');
var fixtureThrows = fixture('throws_error4.js');
// test preloading a single module works
child_process.exec(nodeBinary + ' '
+ preloadOption([fixtureA]) + ' '
+ fixtureB,
function(err, stdout, stderr) {
if (err) throw err;
assert.equal(stdout, 'A\nB\n');
});
// test preloading multiple modules works
child_process.exec(nodeBinary + ' '
+ preloadOption([fixtureA, fixtureB]) + ' '
+ fixtureC,
function(err, stdout, stderr) {
if (err) throw err;
assert.equal(stdout, 'A\nB\nC\n');
});
// test that preloading a throwing module aborts
child_process.exec(nodeBinary + ' '
+ preloadOption([fixtureA, fixtureThrows]) + ' '
+ fixtureB,
function(err, stdout, stderr) {
if (err) {
assert.equal(stdout, 'A\n');
} else {
throw new Error('Preload should have failed');
}
});
// test that preload can be used with --eval
child_process.exec(nodeBinary + ' '
+ preloadOption([fixtureA])
+ '-e "console.log(\'hello\');"',
function(err, stdout, stderr) {
if (err) throw err;
assert.equal(stdout, 'A\nhello\n');
});
// test that preload placement at other points in the cmdline
// also test that duplicated preload only gets loaded once
child_process.exec(nodeBinary + ' '
+ preloadOption([fixtureA])
+ '-e "console.log(\'hello\');" '
+ preloadOption([fixtureA, fixtureB]),
function(err, stdout, stderr) {
if (err) throw err;
assert.equal(stdout, 'A\nB\nhello\n');
});
child_process.exec(nodeBinary + ' '
+ '--require ' + fixture('cluster-preload.js') + ' '
+ fixture('cluster-preload-test.js'),
function(err, stdout, stderr) {
if (err) throw err;
assert.ok(/worker terminated with code 43/.test(stdout));
});
// https://github.com/nodejs/node/issues/1691
process.chdir(path.join(__dirname, '../fixtures/'));
child_process.exec(nodeBinary + ' '
+ '--expose_debug_as=v8debug '
+ '--require ' + fixture('cluster-preload.js') + ' '
+ 'cluster-preload-test.js',
function(err, stdout, stderr) {
if (err) throw err;
assert.ok(/worker terminated with code 43/.test(stdout));
});
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