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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
'use strict';
const assert = require('assert');
const net = require('net');
const portprober = require('../../net/portprober');
describe('isFree', function() {
var server;
beforeEach(function() {
server = net.createServer(function(){});
})
afterEach(function(done) {
if (!server) return done();
server.close(function() {
done();
});
});
it('should work for INADDR_ANY', function(done) {
server.listen(0, function() {
var port = server.address().port;
assertPortNotfree(port).then(function() {
return new Promise(resolve => {
server.close(function() {
server = null;
resolve(assertPortIsFree(port));
});
});
}).then(function() { done(); }, done);
});
});
it('should work for a specific host', function(done) {
var host = '127.0.0.1';
server.listen(0, host, function() {
var port = server.address().port;
assertPortNotfree(port, host).then(function() {
return new Promise(resolve => {
server.close(function() {
server = null;
resolve(assertPortIsFree(port, host));
});
});
}).then(function() { done(); }, done);
});
});
});
describe('findFreePort', function() {
var server;
beforeEach(function() {
server = net.createServer(function(){});
})
afterEach(function(done) {
if (!server) return done();
server.close(function() {
done();
});
});
it('should work for INADDR_ANY', function(done) {
portprober.findFreePort().then(function(port) {
server.listen(port, function() {
assertPortNotfree(port).then(function() {
return new Promise(resolve => {
server.close(function() {
server = null;
resolve(assertPortIsFree(port));
});
});
}).then(function() { done(); }, done);
});
});
});
it('should work for a specific host', function(done) {
var host = '127.0.0.1';
portprober.findFreePort(host).then(function(port) {
server.listen(port, host, function() {
assertPortNotfree(port, host).then(function() {
return new Promise(resolve => {
server.close(function() {
server = null;
resolve(assertPortIsFree(port, host));
});
});
}).then(function() { done(); }, done);
});
});
});
});
function assertPortIsFree(port, opt_host) {
return portprober.isFree(port, opt_host).then(function(free) {
assert.ok(free, 'port should be free');
});
}
function assertPortNotfree(port, opt_host) {
return portprober.isFree(port, opt_host).then(function(free) {
assert.ok(!free, 'port should is not free');
});
}