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'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
// Verify that a shell is, in fact, executed
const doesNotExist = cp.spawn('does-not-exist', { shell: true });
assert.notStrictEqual(doesNotExist.spawnfile, 'does-not-exist');
doesNotExist.on('error', common.mustNotCall());
doesNotExist.on('exit', common.mustCall((code, signal) => {
assert.strictEqual(signal, null);
if (common.isWindows)
assert.strictEqual(code, 1); // Exit code of cmd.exe
else
assert.strictEqual(code, 127); // Exit code of /bin/sh
}));
// Verify that passing arguments works
const echo = cp.spawn('echo', ['foo'], {
encoding: 'utf8',
shell: true
});
let echoOutput = '';
assert.strictEqual(echo.spawnargs[echo.spawnargs.length - 1].replace(/"/g, ''),
'echo foo');
echo.stdout.on('data', (data) => {
echoOutput += data;
});
echo.on('close', common.mustCall((code, signal) => {
assert.strictEqual(echoOutput.trim(), 'foo');
}));
// Verify that shell features can be used
const cmd = 'echo bar | cat';
const command = cp.spawn(cmd, {
encoding: 'utf8',
shell: true
});
let commandOutput = '';
command.stdout.on('data', (data) => {
commandOutput += data;
});
command.on('close', common.mustCall((code, signal) => {
assert.strictEqual(commandOutput.trim(), 'bar');
}));
// Verify that the environment is properly inherited
const env = cp.spawn(`"${process.execPath}" -pe process.env.BAZ`, {
env: Object.assign({}, process.env, { BAZ: 'buzz' }),
encoding: 'utf8',
shell: true
});
let envOutput = '';
env.stdout.on('data', (data) => {
envOutput += data;
});
env.on('close', common.mustCall((code, signal) => {
assert.strictEqual(envOutput.trim(), 'buzz');
}));
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