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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
if (module.parent) {
// Signal we've been loaded as a module.
// The following console.log() is part of the test.
console.log('Loaded as a module, exiting with status code 42.');
process.exit(42);
}
const common = require('../common');
const assert = require('assert');
const child = require('child_process');
const path = require('path');
const fixtures = require('../common/fixtures');
const nodejs = `"${process.execPath}"`;
if (process.argv.length > 2) {
console.log(process.argv.slice(2).join(' '));
process.exit(0);
}
// Assert that nothing is written to stdout.
child.exec(`${nodejs} --eval 42`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
}));
// Assert that "42\n" is written to stderr.
child.exec(`${nodejs} --eval "console.error(42)"`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '42\n');
}));
// Assert that the expected output is written to stdout.
['--print', '-p -e', '-pe', '-p'].forEach((s) => {
const cmd = `${nodejs} ${s} `;
child.exec(`${cmd}42`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '42\n');
assert.strictEqual(stderr, '');
}));
child.exec(`${cmd} '[]'`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '[]\n');
assert.strictEqual(stderr, '');
}));
});
// Assert that module loading works.
{
// Replace \ by / because Windows uses backslashes in paths, but they're still
// interpreted as the escape character when put between quotes.
const filename = __filename.replace(/\\/g, '/');
child.exec(`${nodejs} --eval "require('${filename}')"`,
common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err.code, 42);
assert.strictEqual(
stdout, 'Loaded as a module, exiting with status code 42.\n');
assert.strictEqual(stderr, '');
}));
}
// Check that builtin modules are pre-defined.
child.exec(`${nodejs} --print "os.platform()"`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stderr, '');
assert.strictEqual(stdout.trim(), require('os').platform());
}));
// Module path resolve bug regression test.
child.exec(`${nodejs} --eval "require('./test/parallel/test-cli-eval.js')"`,
{ cwd: path.resolve(__dirname, '../../') },
common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err.code, 42);
assert.strictEqual(
stdout, 'Loaded as a module, exiting with status code 42.\n');
assert.strictEqual(stderr, '');
}));
// Missing argument should not crash.
child.exec(`${nodejs} -e`, common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err.code, 9);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr.trim(),
`${process.execPath}: -e requires an argument`);
}));
// Empty program should do nothing.
child.exec(`${nodejs} -e ""`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
}));
// "\\-42" should be interpreted as an escaped expression, not a switch.
child.exec(`${nodejs} -p "\\-42"`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '-42\n');
assert.strictEqual(stderr, '');
}));
child.exec(`${nodejs} --use-strict -p process.execArgv`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(
stdout, "[ '--use-strict', '-p', 'process.execArgv' ]\n"
);
assert.strictEqual(stderr, '');
}));
// Regression test for https://github.com/nodejs/node/issues/3574.
{
let emptyFile = fixtures.path('empty.js');
if (common.isWindows) {
emptyFile = emptyFile.replace(/\\/g, '\\\\');
}
child.exec(`${nodejs} -e 'require("child_process").fork("${emptyFile}")'`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
}));
// Make sure that monkey-patching process.execArgv doesn't cause child_process
// to incorrectly munge execArgv.
child.exec(
`${nodejs} -e "process.execArgv = ['-e', 'console.log(42)', 'thirdArg'];` +
`require('child_process').fork('${emptyFile}')"`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '42\n');
assert.strictEqual(stderr, '');
}));
}
// Regression test for https://github.com/nodejs/node/issues/8534.
{
const script = `
// console.log() can revive the event loop so we must be careful
// to write from a 'beforeExit' event listener only once.
process.once("beforeExit", () => console.log("beforeExit"));
process.on("exit", () => console.log("exit"));
console.log("start");
`;
const options = { encoding: 'utf8' };
const proc = child.spawnSync(process.execPath, ['-e', script], options);
assert.strictEqual(proc.stderr, '');
assert.strictEqual(proc.stdout, 'start\nbeforeExit\nexit\n');
}
// Regression test for https://github.com/nodejs/node/issues/11948.
{
const script = `
process.on('message', (message) => {
if (message === 'ping') process.send('pong');
if (message === 'exit') process.disconnect();
});
`;
const proc = child.fork('-e', [script]);
proc.on('exit', common.mustCall((exitCode, signalCode) => {
assert.strictEqual(exitCode, 0);
assert.strictEqual(signalCode, null);
}));
proc.on('message', (message) => {
if (message === 'pong') proc.send('exit');
});
proc.send('ping');
}
[ '-arg1',
'-arg1 arg2 --arg3',
'--',
'arg1 -- arg2',
].forEach(function(args) {
// Ensure that arguments are successfully passed to eval.
const opt = ' --eval "console.log(process.argv.slice(1).join(\' \'))"';
const cmd = `${nodejs}${opt} -- ${args}`;
child.exec(cmd, common.mustCall(function(err, stdout, stderr) {
assert.strictEqual(stdout, `${args}\n`);
assert.strictEqual(stderr, '');
assert.strictEqual(err, null);
}));
// Ensure that arguments are successfully passed to print.
const popt = ' --print "process.argv.slice(1).join(\' \')"';
const pcmd = `${nodejs}${popt} -- ${args}`;
child.exec(pcmd, common.mustCall(function(err, stdout, stderr) {
assert.strictEqual(stdout, `${args}\n`);
assert.strictEqual(stderr, '');
assert.strictEqual(err, null);
}));
// Ensure that arguments are successfully passed to a script.
// The first argument after '--' should be interpreted as a script
// filename.
const filecmd = `${nodejs} -- "${__filename}" ${args}`;
child.exec(filecmd, common.mustCall(function(err, stdout, stderr) {
assert.strictEqual(stdout, `${args}\n`);
assert.strictEqual(stderr, '');
assert.strictEqual(err, null);
}));
});
// ESModule eval tests
// Assert that "42\n" is written to stdout on module eval.
const execOptions = '--experimental-modules --input-type module';
child.exec(
`${nodejs} ${execOptions} --eval "console.log(42)"`,
common.mustCall((err, stdout) => {
assert.ifError(err);
assert.strictEqual(stdout, '42\n');
}));
// Assert that "42\n" is written to stdout with print option.
child.exec(
`${nodejs} ${execOptions} --print --eval "42"`,
common.mustCall((err, stdout) => {
assert.ifError(err);
assert.strictEqual(stdout, '42\n');
}));
// Assert that error is written to stderr on invalid input.
child.exec(
`${nodejs} ${execOptions} --eval "!!!!"`,
common.mustCall((err, stdout, stderr) => {
assert.ok(err);
assert.strictEqual(stdout, '');
assert.ok(stderr.indexOf('SyntaxError: Unexpected end of input') > 0);
}));
// Assert that require is undefined in ESM support
child.exec(
`${nodejs} ${execOptions} --eval "console.log(typeof require);"`,
common.mustCall((err, stdout) => {
assert.ifError(err);
assert.strictEqual(stdout, 'undefined\n');
}));
// Assert that import.meta is defined in ESM
child.exec(
`${nodejs} ${execOptions} --eval "console.log(typeof import.meta);"`,
common.mustCall((err, stdout) => {
assert.ifError(err);
assert.strictEqual(stdout, 'object\n');
}));
// Assert that packages can be imported cwd-relative with --eval
child.exec(
`${nodejs} ${execOptions} ` +
'--eval "import \'./test/fixtures/es-modules/mjs-file.mjs\'"',
common.mustCall((err, stdout) => {
assert.ifError(err);
assert.strictEqual(stdout, '.mjs file\n');
}));