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node-http-proxy
Commit 8c3e9938 authored by indexzero's avatar indexzero
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[test] Simplified tests. Added tests for experimental websocket support

parent f84880fc
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lib/node-http-proxy.js
View file @ 8c3e9938
......@@ -28,7 +28,6 @@ var sys = require('sys'),
http = require('http'),
events = require('events'),
pool = require('./../vendor/pool/main'),
eyes = require('eyes'),
min = 0,
max = 100;
......@@ -44,13 +43,9 @@ exports.createServer = function () {
if (args[0]) port = args[0];
if (args[1]) host = args[1];
var server = http.createServer(function (req, res){
var server = http.createServer(function (req, res) {
var proxy = new HttpProxy(req, res);
proxy.emitter.on('proxy', function (err, body) {
server.emit('proxy', err, body);
});
// If we were passed a callback to process the request
// or response in some way, then call it.
if(callback) {
......@@ -61,15 +56,14 @@ exports.createServer = function () {
}
});
// If callback is empty - tunnel websocket request automatically
if (!callback) {
// WebSocket support
// WebSocket support: if callback is empty tunnel
// websocket request automatically
server.on('upgrade', function(req, socket, head) {
var proxy = new HttpProxy(req, socket, head);
// Tunnel websocket requests too
proxy.proxyWebSocketRequest(port, host);
});
}
......@@ -87,7 +81,6 @@ exports.setMax = function (value) {
};
var HttpProxy = function (req, res, head) {
this.emitter = new(events.EventEmitter);
this.events = {};
this.req = req;
......@@ -145,96 +138,90 @@ HttpProxy.prototype = {
self.body = '';
// Open new HTTP request to internal resource with will act as a reverse proxy pass
//var p = manager.getPool(port, server);
//sys.puts('Current pool count for ' + req.headers.host + ":" + port + ' ' + p.clients.length + ', Busy: ' + p.getBusy() + ', Free: ' + p.getFree());
var p = manager.getPool(port, server);
//p.on('error', function (err) {
p.on('error', function (err) {
// Remark: We should probably do something here
// but this is a hot-fix because I don't think 'pool'
// should be emitting this event.
//});
});
var client = http.createClient(port, server);
var reverse_proxy = client.request(req.method, req.url, req.headers);
//p.request(req.method, req.url, req.headers, function (reverse_proxy) {
// Create an error handler so we can use it temporarily
function error(obj) {
var fn = function (err) {
res.writeHead(500, {'Content-Type': 'text/plain'});
if(req.method !== 'HEAD') {
res.write('An error has occurred: ' + JSON.stringify(err));
}
p.request(req.method, req.url, req.headers, function (reverse_proxy) {
// Create an error handler so we can use it temporarily
function error(obj) {
var fn = function (err) {
res.writeHead(500, {'Content-Type': 'text/plain'});
if(req.method !== 'HEAD') {
res.write('An error has occurred: ' + JSON.stringify(err));
}
// Response end may never come so removeListener here
obj.removeListener('error', fn);
res.end();
};
// Response end may never come so removeListener here
obj.removeListener('error', fn);
res.end();
};
return fn;
};
return fn;
};
// Add a listener for the connection timeout event
var reverseProxyError = error(reverse_proxy),
clientError = error(client);
// Add a listener for the connection timeout event
var reverseProxyError = error(reverse_proxy),
clientError = error(client);
reverse_proxy.addListener('error', reverseProxyError);
client.addListener('error', clientError);
reverse_proxy.addListener('error', reverseProxyError);
client.addListener('error', clientError);
// Add a listener for the reverse_proxy response event
reverse_proxy.addListener('response', function (response) {
if (response.headers.connection) {
if (req.headers.connection) response.headers.connection = req.headers.connection;
else response.headers.connection = 'close';
}
// Set the response headers of the client response
res.writeHead(response.statusCode, response.headers);
// Add a listener for the reverse_proxy response event
reverse_proxy.addListener('response', function (response) {
if (response.headers.connection) {
if (req.headers.connection) response.headers.connection = req.headers.connection;
else response.headers.connection = 'close';
}
// Status code = 304
// No 'data' event and no 'end'
if (response.statusCode === 304) {
res.end();
return;
}
// Set the response headers of the client response
res.writeHead(response.statusCode, response.headers);
// Add event handler for the proxied response in chunks
response.addListener('data', function (chunk) {
if(req.method !== 'HEAD') {
res.write(chunk, 'binary');
self.body += chunk;
// Status code = 304
// No 'data' event and no 'end'
if (response.statusCode === 304) {
res.end();
return;
}
});
// Add event listener for end of proxied response
response.addListener('end', function () {
// Remark: Emit the end event for testability
self.emitter.emit('proxy', null, self.body);
reverse_proxy.removeListener('error', reverseProxyError);
res.end();
// Add event handler for the proxied response in chunks
response.addListener('data', function (chunk) {
if(req.method !== 'HEAD') {
res.write(chunk, 'binary');
self.body += chunk;
}
});
// Add event listener for end of proxied response
response.addListener('end', function () {
reverse_proxy.removeListener('error', reverseProxyError);
res.end();
});
});
});
// Chunk the client request body as chunks from the proxied request come in
req.addListener('data', function (chunk) {
reverse_proxy.write(chunk, 'binary');
})
// Chunk the client request body as chunks from the proxied request come in
req.addListener('data', function (chunk) {
reverse_proxy.write(chunk, 'binary');
})
// At the end of the client request, we are going to stop the proxied request
req.addListener('end', function () {
reverse_proxy.end();
});
// At the end of the client request, we are going to stop the proxied request
req.addListener('end', function () {
reverse_proxy.end();
});
// On 'close' event remove 'error' listener
client.addListener('close', function() {
client.removeListener('error', clientError);
});
// On 'close' event remove 'error' listener
client.addListener('close', function() {
client.removeListener('error', clientError);
});
self.unwatch(req);
self.unwatch(req);
//});
});
},
proxyWebSocketRequest: function (port, server, host) {
......@@ -251,8 +238,7 @@ HttpProxy.prototype = {
return h;
}
// WebSocket requests has
// method = GET
// WebSocket requests has method = GET
if (req.method !== 'GET' || headers.upgrade.toLowerCase() !== 'websocket') {
// This request is not WebSocket request
return;
......
test/node-http-proxy-notarget.js deleted 100644 → 0
View file @ f84880fc
/*
node-http-proxy-test.js: http proxy for node.js
Copyright (c) 2010 Charlie Robbins & Marak Squires http://github.com/nodejitsu/node-http-proxy
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.
*/
var vows = require('vows'),
sys = require('sys'),
assert = require('assert'),
http = require('http');
var httpProxy = require('./../lib/node-http-proxy');
var testServers = {};
//
// Creates the reverse proxy server
//
var startProxyServer = function (port, server) {
var proxyServer = httpProxy.createServer(port, server);
proxyServer.listen(8080);
return proxyServer;
};
//
// Creates the reverse proxy server with a specified latency
//
var startLatentProxyServer = function (port, server, latency) {
// Initialize the nodeProxy and start proxying the request
var proxyServer = httpProxy.createServer(function (req, res, proxy) {
setTimeout(function () {
proxy.proxyRequest(port, server);
}, latency);
});
proxyServer.listen(8081);
return proxyServer;
};
//
// Creates the 'hellonode' server
//
var startTargetServer = function (port) {
var targetServer = http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.write('hello world')
res.end();
});
targetServer.listen(port);
return targetServer;
};
//
// The default test bootstrapper with no latency
//
var startTest = function (port) {
var proxyServer = startProxyServer(port, 'localhost'),
targetServer = startTargetServer(port + 1000);
testServers.noLatency = [];
testServers.noLatency.push(proxyServer);
testServers.noLatency.push(targetServer);
return proxyServer;
};
//
// The test bootstrapper with some latency
//
var startTestWithLatency = function (port) {
var proxyServer = startLatentProxyServer(port, 'localhost', 2000),
targetServer = startTargetServer(port);
testServers.latency = [];
testServers.latency.push(proxyServer);
testServers.latency.push(targetServer);
return proxyServer;
};
vows.describe('node-http-proxy').addBatch({
"A node-http-proxy": {
"when instantiated directly": {
"and an incoming request is proxied to the helloNode server" : {
"with no latency" : {
topic: function () {
var proxy = startTest(8082);
proxy.addListener('proxy', this.callback);
var client = http.createClient(8080, 'localhost');
var request = client.request('GET', '/');
request.end();
},
"it should received 'hello world'": function (err, body) {
assert.equal(body, 'hello world');
testServers.noLatency.forEach(function (server) {
server.close();
})
}
},
"with latency": {
topic: function () {
var proxy = startTestWithLatency(8083);
proxy.addListener('proxy', this.callback);
var client = http.createClient(8081, 'localhost');
var request = client.request('GET', '/');
request.end();
},
"it should receive 'hello world'": function (err, body) {
assert.equal(body, 'hello world');
testServers.latency.forEach(function (server) {
server.close();
})
}
}
}
}
}
}).export(module);
\ No newline at end of file
test/node-http-proxy-test.js
View file @ 8c3e9938
......@@ -26,34 +26,35 @@
var vows = require('vows'),
sys = require('sys'),
request = require('request'),
assert = require('assert'),
http = require('http');
var httpProxy = require('./../lib/node-http-proxy');
var testServers = {};
var testServers = [];
//
// Creates the reverse proxy server
//
var startProxyServer = function (port, server) {
var proxyServer = httpProxy.createServer(port, server);
proxyServer.listen(8080);
return proxyServer;
var startProxyServer = function (port, targetPort, server) {
var proxyServer = httpProxy.createServer(targetPort, server);
proxyServer.listen(port);
testServers.push(proxyServer);
};
//
// Creates the reverse proxy server with a specified latency
//
var startLatentProxyServer = function (port, server, latency) {
var startLatentProxyServer = function (port, targetPort, server, latency) {
// Initialize the nodeProxy and start proxying the request
var proxyServer = httpProxy.createServer(function (req, res, proxy) {
setTimeout(function () {
proxy.proxyRequest(port, server);
proxy.proxyRequest(targetPort, server);
}, latency);
});
proxyServer.listen(8081);
return proxyServer;
proxyServer.listen(port);
testServers.push(proxyServer);
};
//
......@@ -67,74 +68,114 @@ var startTargetServer = function (port) {
});
targetServer.listen(port);
testServers.push(targetServer);
return targetServer;
};
//
// The default test bootstrapper with no latency
//
var startTest = function (port) {
var proxyServer = startProxyServer(port, 'localhost'),
targetServer = startTargetServer(port);
testServers.noLatency = [];
testServers.noLatency.push(proxyServer);
testServers.noLatency.push(targetServer);
return proxyServer;
};
//
// The test bootstrapper with some latency
//
var startTestWithLatency = function (port) {
var proxyServer = startLatentProxyServer(port, 'localhost', 2000),
targetServer = startTargetServer(port);
testServers.latency = [];
testServers.latency.push(proxyServer);
testServers.latency.push(targetServer);
return proxyServer;
};
vows.describe('node-http-proxy').addBatch({
"A node-http-proxy": {
"when instantiated directly": {
"and an incoming request is proxied to the helloNode server" : {
"with no latency" : {
"An instance of HttpProxy": {
"an incoming request to the helloNode server": {
"with no latency" : {
"and a valid target server": {
topic: function () {
var proxy = startTest(8082);
proxy.addListener('proxy', this.callback);
var client = http.createClient(8080, 'localhost');
var request = client.request('GET', '/');
request.end();
startProxyServer(8080, 8081, 'localhost'),
startTargetServer(8081);
var options = {
method: 'GET',
uri: 'http://localhost:8080'
};
request(options, this.callback);
},
"it should received 'hello world'": function (err, body) {
"it should received 'hello world'": function (err, res, body) {
assert.equal(body, 'hello world');
testServers.noLatency.forEach(function (server) {
server.close();
})
}
},
"with latency": {
"and without a valid target server": {
topic: function () {
var proxy = startTestWithLatency(8083);
proxy.addListener('proxy', this.callback);
var client = http.createClient(8081, 'localhost');
var request = client.request('GET', '/');
request.end();
startProxyServer(8082, 9000, 'localhost');
var options = {
method: 'GET',
uri: 'http://localhost:8082'
};
request(options, this.callback);
},
"it should receive 500 response code": function (err, res, body) {
assert.equal(res.statusCode, 500);
}
}
},
"with latency": {
"and a valid target server": {
topic: function () {
startLatentProxyServer(8083, 8084, 'localhost', 1000),
startTargetServer(8084);
var options = {
method: 'GET',
uri: 'http://localhost:8083'
};
request(options, this.callback);
},
"it should receive 'hello world'": function (err, body) {
"it should receive 'hello world'": function (err, res, body) {
assert.equal(body, 'hello world');
testServers.latency.forEach(function (server) {
server.close();
})
}
},
"and without a valid target server": {
topic: function () {
startLatentProxyServer(8085, 9000, 'localhost', 1000);
var options = {
method: 'GET',
uri: 'http://localhost:8085'
};
request(options, this.callback);
},
"it should receive 500 response code": function (err, res, body) {
assert.equal(res.statusCode, 500);
}
}
}
}
}
}).addBatch({
"An instance of HttpProxy": {
"an incoming WebSocket request to the helloNode server": {
"with no latency" : {
// Remark: This test is not working
/*topic: function () {
startProxyServer(8086, 8087, 'localhost'),
startTargetServer(8087);
var options = {
method: 'GET',
uri: 'http://localhost:8086',
headers: {
'Upgrade': 'WebSocket',
'Connection': 'WebSocket',
'Host': 'localhost'
}
};
request(options, this.callback);
},
"it should receive 'hello world'": function (err, res, body) {
assert.equal(body, 'hello world');
}*/
}
}
}
}).addBatch({
"When the tests are over": {
topic: function () {
testServers.forEach(function (server) {
server.close();
});
return testServers;
},
"the servers should clean up": function () {
assert.isTrue(true);
}
}
}).export(module);
\ No newline at end of file
test/node-http-proxy-websocket-test.js deleted 100644 → 0
View file @ f84880fc
/*
node-http-proxy-websocket-test.js: http proxy for node.js
Copyright (c) 2010 Fedor Indutny
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.
*/
var vows = require('vows'),
sys = require('sys'),
assert = require('assert'),
http = require('http');
var httpProxy = require('./../lib/node-http-proxy');
var testServers = {};
var server = httpProxy.createServer(function(req, res) {
var p = new httpProxy.HttpProxy(req, res);
sys.puts('http request');
p.proxyRequest(8080, 'localhost');
});
server.on('upgrade', function(req, socket, head) {
var p = new httpProxy.HttpProxy(req, socket, head);
sys.puts('websocket request');
p.proxyWebSocketRequest(8080, 'localhost');
});
server.listen(8000);
httpProxy.createServer(8080, 'localhost').listen(8001);
vendor/pool/main.js
View file @ 8c3e9938
var sys = require('sys')
, eyes = require('eyes')
, http = require('http')
, events = require('events')
;
......
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