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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';
var assert = require('assert'),
http = require('http'),
url = require('url');
var net = require('../../net'),
portprober = require('../../net/portprober'),
promise = require('../..').promise;
/**
* Encapsulates a simple HTTP server for testing. The {@code onrequest}
* function should be overridden to define request handling behavior.
* @param {function(!http.ServerRequest, !http.ServerResponse)} requestHandler
* The request handler for the server.
* @constructor
*/
var Server = function(requestHandler) {
var server = http.createServer(function(req, res) {
requestHandler(req, res);
});
server.on('connection', function(stream) {
stream.setTimeout(4000);
});
/** @typedef {{port: number, address: string, family: string}} */
var Host;
/**
* Starts the server on the given port. If no port, or 0, is provided,
* the server will be started on a random port.
* @param {number=} opt_port The port to start on.
* @return {!Promise<Host>} A promise that will resolve
* with the server host when it has fully started.
*/
this.start = function(opt_port) {
assert(typeof opt_port !== 'function',
"start invoked with function, not port (mocha callback)?");
var port = opt_port || portprober.findFreePort('localhost');
return Promise.resolve(port).then(port => {
return promise.checkedNodeCall(
server.listen.bind(server, port, 'localhost'));
}).then(function() {
return server.address();
});
};
/**
* Stops the server.
* @return {!Promise} A promise that will resolve when the
* server has closed all connections.
*/
this.stop = function() {
return new Promise(resolve => server.close(resolve));
};
/**
* @return {Host} This server's host info.
* @throws {Error} If the server is not running.
*/
this.address = function() {
var addr = server.address();
if (!addr) {
throw Error('There server is not running!');
}
return addr;
};
/**
* return {string} The host:port of this server.
* @throws {Error} If the server is not running.
*/
this.host = function() {
return net.getLoopbackAddress() + ':' +
this.address().port;
};
/**
* Formats a URL for this server.
* @param {string=} opt_pathname The desired pathname on the server.
* @return {string} The formatted URL.
* @throws {Error} If the server is not running.
*/
this.url = function(opt_pathname) {
var addr = this.address();
var pathname = opt_pathname || '';
return url.format({
protocol: 'http',
hostname: net.getLoopbackAddress(),
port: addr.port,
pathname: pathname
});
};
};
// PUBLIC API
exports.Server = Server;
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