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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';
const common = require('../common');
const assert = require('assert');
const dns = require('dns');
const net = require('net');
// Test wrong type of ports
{
function portTypeError(opt) {
const prefix = '"port" option should be a number or string: ';
const cleaned = opt.replace(/[\\^$.*+?()[\]{}|=!<>:-]/g, '\\$&');
return new RegExp(`^TypeError: ${prefix}${cleaned}$`);
}
syncFailToConnect(true, portTypeError('true'));
syncFailToConnect(false, portTypeError('false'));
syncFailToConnect([], portTypeError(''), true);
syncFailToConnect({}, portTypeError('[object Object]'), true);
syncFailToConnect(null, portTypeError('null'));
}
// Test out of range ports
{
function portRangeError(opt) {
const prefix = '"port" option should be >= 0 and < 65536: ';
const cleaned = opt.replace(/[\\^$.*+?()[\]{}|=!<>:-]/g, '\\$&');
return new RegExp(`^RangeError: ${prefix}${cleaned}$`);
}
syncFailToConnect('', portRangeError(''));
syncFailToConnect(' ', portRangeError(' '));
syncFailToConnect('0x', portRangeError('0x'), true);
syncFailToConnect('-0x1', portRangeError('-0x1'), true);
syncFailToConnect(NaN, portRangeError('NaN'));
syncFailToConnect(Infinity, portRangeError('Infinity'));
syncFailToConnect(-1, portRangeError('-1'));
syncFailToConnect(65536, portRangeError('65536'));
}
// Test invalid hints
{
// connect({hint}, cb) and connect({hint})
const hints = (dns.ADDRCONFIG | dns.V4MAPPED) + 42;
const hintOptBlocks = doConnect([{ hints: hints }],
() => common.mustNotCall());
for (const block of hintOptBlocks) {
assert.throws(block, common.expectsError({
code: 'ERR_INVALID_OPT_VALUE',
type: TypeError,
message: /The value "\d+" is invalid for option "hints"/
}));
}
}
// Test valid combinations of connect(port) and connect(port, host)
{
const expectedConnections = 72;
let serverConnected = 0;
const server = net.createServer(common.mustCall(function(socket) {
socket.end('ok');
if (++serverConnected === expectedConnections) {
server.close();
}
}, expectedConnections));
server.listen(0, 'localhost', common.mustCall(function() {
const port = this.address().port;
// Total connections = 3 * 4(canConnect) * 6(doConnect) = 72
canConnect(port);
canConnect(String(port));
canConnect(`0x${port.toString(16)}`);
}));
// Try connecting to random ports, but do so once the server is closed
server.on('close', function() {
asyncFailToConnect(0);
asyncFailToConnect(/* undefined */);
});
}
function doConnect(args, getCb) {
return [
function createConnectionWithCb() {
return net.createConnection.apply(net, args.concat(getCb()));
},
function createConnectionWithoutCb() {
return net.createConnection.apply(net, args)
.on('connect', getCb());
},
function connectWithCb() {
return net.connect.apply(net, args.concat(getCb()));
},
function connectWithoutCb() {
return net.connect.apply(net, args)
.on('connect', getCb());
},
function socketConnectWithCb() {
const socket = new net.Socket();
return socket.connect.apply(socket, args.concat(getCb()));
},
function socketConnectWithoutCb() {
const socket = new net.Socket();
return socket.connect.apply(socket, args)
.on('connect', getCb());
}
];
}
function syncFailToConnect(port, regexp, optOnly) {
if (!optOnly) {
// connect(port, cb) and connect(port)
const portArgBlocks = doConnect([port], () => common.mustNotCall());
for (const block of portArgBlocks) {
assert.throws(block, regexp, `${block.name}(${port})`);
}
// connect(port, host, cb) and connect(port, host)
const portHostArgBlocks = doConnect([port, 'localhost'],
() => common.mustNotCall());
for (const block of portHostArgBlocks) {
assert.throws(block, regexp, `${block.name}(${port}, 'localhost')`);
}
}
// connect({port}, cb) and connect({port})
const portOptBlocks = doConnect([{ port }],
() => common.mustNotCall());
for (const block of portOptBlocks) {
assert.throws(block, regexp, `${block.name}({port: ${port}})`);
}
// connect({port, host}, cb) and connect({port, host})
const portHostOptBlocks = doConnect([{ port: port, host: 'localhost' }],
() => common.mustNotCall());
for (const block of portHostOptBlocks) {
assert.throws(block, regexp,
`${block.name}({port: ${port}, host: 'localhost'})`);
}
}
function canConnect(port) {
const noop = () => common.mustCall();
// connect(port, cb) and connect(port)
const portArgBlocks = doConnect([port], noop);
for (const block of portArgBlocks) {
assert.doesNotThrow(block, `${block.name}(${port})`);
}
// connect(port, host, cb) and connect(port, host)
const portHostArgBlocks = doConnect([port, 'localhost'], noop);
for (const block of portHostArgBlocks) {
assert.doesNotThrow(block, `${block.name}(${port})`);
}
// connect({port}, cb) and connect({port})
const portOptBlocks = doConnect([{ port }], noop);
for (const block of portOptBlocks) {
assert.doesNotThrow(block, `${block.name}({port: ${port}})`);
}
// connect({port, host}, cb) and connect({port, host})
const portHostOptBlocks = doConnect([{ port: port, host: 'localhost' }],
noop);
for (const block of portHostOptBlocks) {
assert.doesNotThrow(block,
`${block.name}({port: ${port}, host: 'localhost'})`);
}
}
function asyncFailToConnect(port) {
const onError = () => common.mustCall(function(err) {
const regexp = /^Error: connect E\w+.+$/;
assert(regexp.test(String(err)), String(err));
});
const dont = () => common.mustNotCall();
// connect(port, cb) and connect(port)
const portArgBlocks = doConnect([port], dont);
for (const block of portArgBlocks) {
assert.doesNotThrow(function() {
block().on('error', onError());
}, `${block.name}(${port})`);
}
// connect({port}, cb) and connect({port})
const portOptBlocks = doConnect([{ port }], dont);
for (const block of portOptBlocks) {
assert.doesNotThrow(function() {
block().on('error', onError());
}, `${block.name}({port: ${port}})`);
}
// connect({port, host}, cb) and connect({port, host})
const portHostOptBlocks = doConnect([{ port: port, host: 'localhost' }],
dont);
for (const block of portHostOptBlocks) {
assert.doesNotThrow(function() {
block().on('error', onError());
}, `${block.name}({port: ${port}, host: 'localhost'})`);
}
}