cloudron-e2e-test/shell.js

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2015-07-23 19:02:16 +00:00
'use strict';
exports = module.exports = {
sudo: sudo,
exec: exec,
system: system
};
var assert = require('assert'),
child_process = require('child_process'),
debug = require('debug')('e2e:shell.js'),
once = require('once'),
util = require('util');
var SUDO = '/usr/bin/sudo';
function exec(tag, file, args, options, callback) {
assert.strictEqual(typeof tag, 'string');
assert.strictEqual(typeof file, 'string');
assert(util.isArray(args));
if (typeof options === 'function') {
callback = options;
options = { };
} else {
assert.strictEqual(typeof options, 'object');
assert.strictEqual(typeof callback, 'function');
}
callback = once(callback); // exit may or may not be called after an 'error'
debug(tag + ' execFile: %s %s', file, args.join(' '));
var cp = child_process.spawn(file, args, options);
cp.stdout.on('data', function (data) {
debug(tag + ' (stdout): %s', data.toString('utf8'));
});
cp.stderr.on('data', function (data) {
debug(tag + ' (stderr): %s', data.toString('utf8'));
});
cp.on('exit', function (code, signal) {
if (code || signal) debug(tag + ' code: %s, signal: %s', code, signal);
callback(code === 0 ? null : new Error(util.format('Exited with error %s signal %s', code, signal)));
});
cp.on('error', function (error) {
debug(tag + ' code: %s, signal: %s', error.code, error.signal);
callback(error);
});
return cp;
}
function system(tag, cmd, options, callback) {
assert.strictEqual(typeof tag, 'string');
assert.strictEqual(typeof cmd, 'string');
if (typeof options === 'function') {
callback = options;
options = { };
} else {
assert.strictEqual(typeof options, 'object');
assert.strictEqual(typeof callback, 'function');
}
debug(tag + ' system: %s %j', cmd, options);
var cp = child_process.exec(cmd, options, function (error, stdout, stderr) {
if (error) debug(tag + ' (error) ' + error);
callback(error, stdout, stderr);
});
cp.stdout.on('data', function (data) {
debug(tag + ' (stdout): %s', data.toString('utf8'));
});
cp.stderr.on('data', function (data) {
debug(tag + ' (stderr): %s', data.toString('utf8'));
});
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return cp;
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}
function sudo(tag, args, callback) {
assert.strictEqual(typeof tag, 'string');
assert(util.isArray(args));
assert.strictEqual(typeof callback, 'function');
// -S makes sudo read stdin for password
var cp = exec(tag, SUDO, [ '-S' ].concat(args), callback);
cp.stdin.end();
}