'use strict';

var path = require('path');

var fs = require('fs');

var assert = require('assert');

var os = require('os');

var child_process = require('child_process');

exports.testDir = path.dirname(__filename);

exports.fixturesDir = path.join(exports.testDir, 'fixtures');

exports.libDir = path.join(exports.testDir, '../lib');

exports.tmpDirName = 'tmp';

exports.PORT = +process.env.NODE_COMMON_PORT || 12346;

exports.isWindows = process.platform === 'win32';

function rimrafSync(p) {

try {

var st = fs.lstatSync(p);

} catch (e) {

if (e.code === 'ENOENT')

return;

}

try {

if (st && st.isDirectory())

rmdirSync(p, null);

else

fs.unlinkSync(p);

} catch (e) {

if (e.code === 'ENOENT')

return;

if (e.code === 'EPERM')

return rmdirSync(p, er);

if (e.code !== 'EISDIR')

throw e;

rmdirSync(p, e);

}

}

function rmdirSync(p, originalEr) {

try {

fs.rmdirSync(p);

} catch (e) {

if (e.code === 'ENOTDIR')

throw originalEr;

if (e.code === 'ENOTEMPTY' || e.code === 'EEXIST' || e.code === 'EPERM') {

fs.readdirSync(p).forEach(function(f) {

rimrafSync(path.join(p, f));

});

fs.rmdirSync(p);

}

}

}

exports.refreshTmpDir = function() {

rimrafSync(exports.tmpDir);

fs.mkdirSync(exports.tmpDir);

};

if (process.env.TEST_THREAD_ID) {

// Distribute ports in parallel tests

if (!process.env.NODE_COMMON_PORT)

exports.PORT += +process.env.TEST_THREAD_ID * 100;

exports.tmpDirName += '.' + process.env.TEST_THREAD_ID;

}

exports.tmpDir = path.join(exports.testDir, exports.tmpDirName);

var opensslCli = null;

var inFreeBSDJail = null;

var localhostIPv4 = null;

Object.defineProperty(exports, 'inFreeBSDJail', {

get: function() {

if (inFreeBSDJail !== null) return inFreeBSDJail;

if (process.platform === 'freebsd' &&

child_process.execSync('sysctl -n security.jail.jailed').toString() ===

'1\n') {

inFreeBSDJail = true;

} else {

inFreeBSDJail = false;

}

return inFreeBSDJail;

}

});

Object.defineProperty(exports, 'localhostIPv4', {

get: function() {

if (localhostIPv4 !== null) return localhostIPv4;

if (exports.inFreeBSDJail) {

// Jailed network interfaces are a bit special - since we need to jump

// through loops, as well as this being an exception case, assume the

// user will provide this instead.

if (process.env.LOCALHOST) {

localhostIPv4 = process.env.LOCALHOST;

} else {

console.error('Looks like we\'re in a FreeBSD Jail. ' +

'Please provide your default interface address ' +

'as LOCALHOST or expect some tests to fail.');

}

}

if (localhostIPv4 === null) localhostIPv4 = '127.0.0.1';

return localhostIPv4;

}

});

// opensslCli defined lazily to reduce overhead of spawnSync

Object.defineProperty(exports, 'opensslCli', {get: function() {

if (opensslCli !== null) return opensslCli;

if (process.config.variables.node_shared_openssl) {

// use external command

opensslCli = 'openssl';

} else {

// use command built from sources included in io.js repository

opensslCli = path.join(path.dirname(process.execPath), 'openssl-cli');

}

if (process.platform === 'win32') opensslCli += '.exe';

var openssl_cmd = child_process.spawnSync(opensslCli, ['version']);

if (openssl_cmd.status !== 0 || openssl_cmd.error !== undefined) {

// openssl command cannot be executed

opensslCli = false;

}

return opensslCli;

}, enumerable: true });

Object.defineProperty(exports, 'hasCrypto', {get: function() {

return process.versions.openssl ? true : false;

}});

if (process.platform === 'win32') {

exports.PIPE = '\\\\.\\pipe\\libuv-test';

} else {

exports.PIPE = exports.tmpDir + '/test.sock';

}

if (process.env.NODE_COMMON_PIPE) {

exports.PIPE = process.env.NODE_COMMON_PIPE;

// Remove manually, the test runner won't do it

// for us like it does for files in test/tmp.

try {

fs.unlinkSync(exports.PIPE);

} catch (e) {

// Ignore.

}

}

if (process.platform === 'win32') {

exports.faketimeCli = false;

} else {

exports.faketimeCli = path.join(__dirname, '..', 'tools', 'faketime', 'src',

'faketime');

}

var ifaces = os.networkInterfaces();

exports.hasIPv6 = Object.keys(ifaces).some(function(name) {

return /lo/.test(name) && ifaces[name].some(function(info) {

return info.family === 'IPv6';

});

});

var util = require('util');

for (var i in util) exports[i] = util[i];

//for (var i in exports) global[i] = exports[i];

function protoCtrChain(o) {

var result = [];

for (; o; o = o.__proto__) { result.push(o.constructor); }

return result.join();

}

exports.indirectInstanceOf = function(obj, cls) {

if (obj instanceof cls) { return true; }

var clsChain = protoCtrChain(cls.prototype);

var objChain = protoCtrChain(obj);

return objChain.slice(-clsChain.length) === clsChain;

};

exports.ddCommand = function(filename, kilobytes) {

if (process.platform === 'win32') {

var p = path.resolve(exports.fixturesDir, 'create-file.js');

return '"' + process.argv[0] + '" "' + p + '" "' +

filename + '" ' + (kilobytes * 1024);

} else {

return 'dd if=/dev/zero of="' + filename + '" bs=1024 count=' + kilobytes;

}

};

exports.spawnCat = function(options) {

var spawn = require('child_process').spawn;

if (process.platform === 'win32') {

return spawn('more', [], options);

} else {

return spawn('cat', [], options);

}

};

exports.spawnSyncCat = function(options) {

var spawnSync = require('child_process').spawnSync;

if (process.platform === 'win32') {

return spawnSync('more', [], options);

} else {

return spawnSync('cat', [], options);

}

};

exports.spawnPwd = function(options) {

var spawn = require('child_process').spawn;

if (process.platform === 'win32') {

return spawn('cmd.exe', ['/c', 'cd'], options);

} else {

return spawn('pwd', [], options);

}

};

exports.platformTimeout = function(ms) {

if (process.arch !== 'arm')

return ms;

if (process.config.variables.arm_version === '6')

return 7 * ms; // ARMv6

return 2 * ms; // ARMv7 and up.

};

var knownGlobals = [setTimeout,

setInterval,

setImmediate,

clearTimeout,

clearInterval,

clearImmediate,

console,

constructor, // Enumerable in V8 3.21.

Buffer,

process,

global];

if (global.gc) {

knownGlobals.push(gc);

}

if (global.DTRACE_HTTP_SERVER_RESPONSE) {

knownGlobals.push(DTRACE_HTTP_SERVER_RESPONSE);

knownGlobals.push(DTRACE_HTTP_SERVER_REQUEST);

knownGlobals.push(DTRACE_HTTP_CLIENT_RESPONSE);

knownGlobals.push(DTRACE_HTTP_CLIENT_REQUEST);

knownGlobals.push(DTRACE_NET_STREAM_END);

knownGlobals.push(DTRACE_NET_SERVER_CONNECTION);

}

if (global.COUNTER_NET_SERVER_CONNECTION) {

knownGlobals.push(COUNTER_NET_SERVER_CONNECTION);

knownGlobals.push(COUNTER_NET_SERVER_CONNECTION_CLOSE);

knownGlobals.push(COUNTER_HTTP_SERVER_REQUEST);

knownGlobals.push(COUNTER_HTTP_SERVER_RESPONSE);

knownGlobals.push(COUNTER_HTTP_CLIENT_REQUEST);

knownGlobals.push(COUNTER_HTTP_CLIENT_RESPONSE);

}

if (global.LTTNG_HTTP_SERVER_RESPONSE) {

knownGlobals.push(LTTNG_HTTP_SERVER_RESPONSE);

knownGlobals.push(LTTNG_HTTP_SERVER_REQUEST);

knownGlobals.push(LTTNG_HTTP_CLIENT_RESPONSE);

knownGlobals.push(LTTNG_HTTP_CLIENT_REQUEST);

knownGlobals.push(LTTNG_NET_STREAM_END);

knownGlobals.push(LTTNG_NET_SERVER_CONNECTION);

}

if (global.ArrayBuffer) {

knownGlobals.push(ArrayBuffer);

knownGlobals.push(Int8Array);

knownGlobals.push(Uint8Array);

knownGlobals.push(Uint8ClampedArray);

knownGlobals.push(Int16Array);

knownGlobals.push(Uint16Array);

knownGlobals.push(Int32Array);

knownGlobals.push(Uint32Array);

knownGlobals.push(Float32Array);

knownGlobals.push(Float64Array);

knownGlobals.push(DataView);

}

// Harmony features.

if (global.Proxy) {

knownGlobals.push(Proxy);

}

if (global.Symbol) {

knownGlobals.push(Symbol);

}

function leakedGlobals() {

var leaked = [];

for (var val in global)

if (-1 === knownGlobals.indexOf(global[val]))

leaked.push(val);

return leaked;

};

exports.leakedGlobals = leakedGlobals;

// Turn this off if the test should not check for global leaks.

exports.globalCheck = true;

process.on('exit', function() {

if (!exports.globalCheck) return;

var leaked = leakedGlobals();

if (leaked.length > 0) {

console.error('Unknown globals: %s', leaked);

assert.ok(false, 'Unknown global found');

}

});

var mustCallChecks = [];

function runCallChecks(exitCode) {

if (exitCode !== 0) return;

var failed = mustCallChecks.filter(function(context) {

return context.actual !== context.expected;

});

failed.forEach(function(context) {

console.log('Mismatched %s function calls. Expected %d, actual %d.',

context.name,

context.expected,

context.actual);

console.log(context.stack.split('\n').slice(2).join('\n'));

});

if (failed.length) process.exit(1);

}

exports.mustCall = function(fn, expected) {

if (typeof expected !== 'number') expected = 1;

var context = {

expected: expected,

actual: 0,

stack: (new Error()).stack,

name: fn.name || '<anonymous>'

};

// add the exit listener only once to avoid listener leak warnings

if (mustCallChecks.length === 0) process.on('exit', runCallChecks);

mustCallChecks.push(context);

return function() {

context.actual++;

return fn.apply(this, arguments);

};

};

exports.checkSpawnSyncRet = function(ret) {

assert.strictEqual(ret.status, 0);

assert.strictEqual(ret.error, undefined);

};

var etcServicesFileName = path.join('/etc', 'services');

if (process.platform === 'win32') {

etcServicesFileName = path.join(process.env.SystemRoot, 'System32', 'drivers',

'etc', 'services');

}

/*

* Returns a string that represents the service name associated

* to the service bound to port "port" and using protocol "protocol".

*

* If the service is not defined in the services file, it returns

* the port number as a string.

*

* Returns undefined if /etc/services (or its equivalent on non-UNIX

* platforms) can't be read.

*/

exports.getServiceName = function getServiceName(port, protocol) {

if (port == null) {

throw new Error('Missing port number');

}

if (typeof protocol !== 'string') {

throw new Error('Protocol must be a string');

}

/*

* By default, if a service can't be found in /etc/services,

* its name is considered to be its port number.

*/

var serviceName = port.toString();

try {

/*

* I'm not a big fan of readFileSync, but reading /etc/services

* asynchronously here would require implementing a simple line parser,

* which seems overkill for a simple utility function that is not running

* concurrently with any other one.

*/

var servicesContent = fs.readFileSync(etcServicesFileName,

{ encoding: 'utf8'});

var regexp = util.format('^(\\w+)\\s+\\s%d/%s\\s', port, protocol);

var re = new RegExp(regexp, 'm');

var matches = re.exec(servicesContent);

if (matches && matches.length > 1) {

serviceName = matches[1];

}

} catch(e) {

console.error('Cannot read file: ', etcServicesFileName);

return undefined;

}

return serviceName;

};

exports.hasMultiLocalhost = function hasMultiLocalhost() {

var TCP = process.binding('tcp_wrap').TCP;

var t = new TCP();

var ret = t.bind('127.0.0.2', exports.PORT);

t.close();

return ret === 0;

};

exports.isValidHostname = function(str) {

// See http://stackoverflow.com/a/3824105

var re = new RegExp(

'^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])' +

'(\\.([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9]))*$');

return !!str.match(re) && str.length <= 255;

};

exports.fileExists = function(pathname) {

try {

fs.accessSync(pathname);

return true;

} catch (err) {

return false;

}

};