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// This test requires the program "ab"
process.mixin(require("./common"));
http = require("http");
sys = require("sys");
PORT = 8891;
body = "hello world\n";
server = http.createServer(function (req, res) {
res.sendHeader(200, {
"Content-Length": body.length,
"Content-Type": "text/plain",
});
res.sendBody(body);
res.finish();
});
server.listen(PORT);
var keepAliveReqSec = 0;
var normalReqSec = 0;
function error (msg) {
throw new Error("ERROR. 'ab' not installed? " + msg);
}
function runAb(opts, callback) {
sys.exec("ab " + opts + " http://127.0.0.1:" + PORT + "/")
.addErrback(error)
.addCallback(function (out) {
var matches = /Requests per second:\s*(\d+)\./mi.exec(out);
var reqSec = parseInt(matches[1]);
matches = /Keep-Alive requests:\s*(\d+)/mi.exec(out);
var keepAliveRequests;
if (matches) {
keepAliveRequests = parseInt(matches[1]);
} else {
keepAliveRequests = 0;
}
callback(reqSec, keepAliveRequests);
});
}
runAb("-k -c 100 -t 2", function (reqSec, keepAliveRequests) {
keepAliveReqSec = reqSec;
assert.equal(true, keepAliveRequests > 0);
puts("keep-alive: " + keepAliveReqSec + " req/sec");
runAb("-c 100 -t 2", function (reqSec, keepAliveRequests) {
normalReqSec = reqSec;
assert.equal(0, keepAliveRequests);
puts("normal: " + normalReqSec + " req/sec");
server.close();
});
});
process.addListener("exit", function () {
assert.equal(true, normalReqSec > 50);
assert.equal(true, keepAliveReqSec > 50);
assert.equal(true, normalReqSec < keepAliveReqSec);
});