nodejs/test/simple/test-child-process-exec-cwd.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
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// 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.
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// 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,
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require('../common');
var assert = require('assert');
var exec = require('child_process').exec;

var success_count = 0;
var error_count = 0;

var pwdcommand, dir;

if (process.platform == 'win32') {
  pwdcommand = 'echo %cd%';
  dir = 'c:\\windows';
} else {
  pwdcommand = 'pwd';
  dir = '/dev';
}

var child = exec(pwdcommand, {cwd: dir}, function(err, stdout, stderr) {
  if (err) {
    error_count++;
    console.log('error!: ' + err.code);
    console.log('stdout: ' + JSON.stringify(stdout));
    console.log('stderr: ' + JSON.stringify(stderr));
    assert.equal(false, err.killed);
  } else {
    success_count++;
    console.log(stdout);
    assert.ok(stdout.indexOf(dir) == 0);
  }
});

process.on('exit', function() {
  assert.equal(1, success_count);
  assert.equal(0, error_count);
});