nodejs/test/parallel/test-http-get-pipeline-prob...

101 lines
3.1 KiB
JavaScript

// 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';
// In previous versions of Node.js (e.g., 0.6.0), this sort of thing would halt
// after http.globalAgent.maxSockets number of files.
// See https://groups.google.com/forum/#!topic/nodejs-dev/V5fB69hFa9o
const common = require('../common');
const fixtures = require('../common/fixtures');
const assert = require('assert');
const http = require('http');
const fs = require('fs');
const Countdown = require('../common/countdown');
http.globalAgent.maxSockets = 1;
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const image = fixtures.readSync('/person.jpg');
console.log(`image.length = ${image.length}`);
const total = 10;
const responseCountdown = new Countdown(total, common.mustCall(() => {
checkFiles();
server.close();
}));
const server = http.Server(function(req, res) {
setTimeout(function() {
res.writeHead(200, {
'content-type': 'image/jpeg',
'connection': 'close',
'content-length': image.length
});
res.end(image);
}, 1);
});
server.listen(0, function() {
for (let i = 0; i < total; i++) {
(function() {
const x = i;
const opts = {
port: server.address().port,
headers: { connection: 'close' }
};
http.get(opts, function(res) {
console.error(`recv ${x}`);
const s = fs.createWriteStream(`${tmpdir.path}/${x}.jpg`);
res.pipe(s);
s.on('finish', function() {
console.error(`done ${x}`);
responseCountdown.dec();
});
}).on('error', function(e) {
console.error('error! ', e.message);
throw e;
});
})();
}
});
function checkFiles() {
// Should see 1.jpg, 2.jpg, ..., 100.jpg in tmpDir
const files = fs.readdirSync(tmpdir.path);
assert(total <= files.length);
for (let i = 0; i < total; i++) {
const fn = `${i}.jpg`;
assert.ok(files.includes(fn), `couldn't find '${fn}'`);
const stat = fs.statSync(`${tmpdir.path}/${fn}`);
assert.strictEqual(
image.length, stat.size,
`size doesn't match on '${fn}'. Got ${stat.size} bytes`);
}
}