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'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const childProcess = require('child_process');
// Refs: https://github.com/nodejs/node/pull/2253
if (common.isSunOS) {
common.skip('unreliable on SunOS');
return;
}
const nodeBinary = process.argv[0];
const preloadOption = function(preloads) {
let option = '';
preloads.forEach(function(preload, index) {
option += '-r ' + preload + ' ';
});
return option;
};
const fixture = function(name) {
return path.join(common.fixturesDir, name);
};
const fixtureA = fixture('printA.js');
const fixtureB = fixture('printB.js');
const fixtureC = fixture('printC.js');
const fixtureD = fixture('define-global.js');
const fixtureThrows = fixture('throws_error4.js');
// test preloading a single module works
childProcess.exec(nodeBinary + ' ' + preloadOption([fixtureA]) + ' ' + fixtureB,
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, 'A\nB\n');
});
// test preloading multiple modules works
childProcess.exec(
nodeBinary + ' ' + preloadOption([fixtureA, fixtureB]) + ' ' + fixtureC,
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, 'A\nB\nC\n');
}
);
// test that preloading a throwing module aborts
childProcess.exec(
nodeBinary + ' ' + preloadOption([fixtureA, fixtureThrows]) + ' ' + fixtureB,
function(err, stdout, stderr) {
if (err) {
assert.strictEqual(stdout, 'A\n');
} else {
throw new Error('Preload should have failed');
}
}
);
// test that preload can be used with --eval
childProcess.exec(
nodeBinary + ' ' + preloadOption([fixtureA]) + '-e "console.log(\'hello\');"',
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, 'A\nhello\n');
}
);
// test that preload can be used with stdin
const stdinProc = childProcess.spawn(
nodeBinary,
['--require', fixtureA],
{stdio: 'pipe'}
);
stdinProc.stdin.end("console.log('hello');");
let stdinStdout = '';
stdinProc.stdout.on('data', function(d) {
stdinStdout += d;
});
stdinProc.on('close', function(code) {
assert.strictEqual(code, 0);
assert.strictEqual(stdinStdout, 'A\nhello\n');
});
// test that preload can be used with repl
const replProc = childProcess.spawn(
nodeBinary,
['-i', '--require', fixtureA],
{stdio: 'pipe'}
);
replProc.stdin.end('.exit\n');
let replStdout = '';
replProc.stdout.on('data', function(d) {
replStdout += d;
});
replProc.on('close', function(code) {
assert.strictEqual(code, 0);
const output = [
'A',
'> '
].join('\n');
assert.strictEqual(replStdout, output);
});
// test that preload placement at other points in the cmdline
// also test that duplicated preload only gets loaded once
childProcess.exec(
nodeBinary + ' ' + preloadOption([fixtureA]) +
'-e "console.log(\'hello\');" ' + preloadOption([fixtureA, fixtureB]),
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, 'A\nB\nhello\n');
}
);
// test that preload works with -i
const interactive = childProcess.exec(
nodeBinary + ' ' + preloadOption([fixtureD]) + '-i',
common.mustCall(function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, "> 'test'\n> ");
})
);
interactive.stdin.write('a\n');
interactive.stdin.write('process.exit()\n');
childProcess.exec(
nodeBinary + ' ' + '--require ' + fixture('cluster-preload.js') + ' ' +
fixture('cluster-preload-test.js'),
function(err, stdout, stderr) {
assert.ifError(err);
assert.ok(/worker terminated with code 43/.test(stdout));
}
);
// https://github.com/nodejs/node/issues/1691
process.chdir(common.fixturesDir);
childProcess.exec(
nodeBinary + ' ' + '--expose_natives_as=v8natives ' + '--require ' +
fixture('cluster-preload.js') + ' ' + 'cluster-preload-test.js',
function(err, stdout, stderr) {
assert.ifError(err);
assert.ok(/worker terminated with code 43/.test(stdout));
}
);