headers_spec.js
9.16 KB
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var http = require('http'),
helpers = require('./helpers'),
should = require('should');
var port = 54321;
describe('request headers', function() {
var needle,
server,
existing_sockets,
original_defaultMaxSockets;
before(function(done) {
setTimeout(function() {
existing_sockets = get_active_sockets().length;
server = helpers.server({ port: port }, done);
}, 100);
})
after(function(done) {
server.close(done);
})
function send_request(opts, cb) {
needle.get('http://localhost:' + port, opts, cb);
}
function get_active_sockets() {
var handles = process._getActiveHandles();
return handles.filter(function(el) {
if (el.constructor.name.toString() == 'Socket') {
return el.destroyed !== true;
}
})
}
describe('old node versions (<0.11.4) with persistent keep-alive connections', function() {
// emulate old node behaviour
before(function() {
delete require.cache[require.resolve('..')] // in case it was already loaded
original_defaultMaxSockets = http.Agent.defaultMaxSockets;
http.Agent.defaultMaxSockets = 5;
needle = require('..');
})
after(function() {
http.Agent.defaultMaxSockets = original_defaultMaxSockets;
delete require.cache[require.resolve('..')]
})
describe('default options', function() {
it('sends a Connection: close header', function(done) {
send_request({}, function(err, resp) {
resp.body.headers['connection'].should.eql('close');
done();
})
})
it('no open sockets remain after request', function(done) {
send_request({}, function(err, resp) {
setTimeout(function() {
get_active_sockets().length.should.eql(existing_sockets);
done();
}, 10)
});
})
})
describe('passing connection: close', function() {
it('sends a Connection: close header', function(done) {
send_request({ connection: 'close' }, function(err, resp) {
resp.body.headers['connection'].should.eql('close');
done();
})
})
it('no open sockets remain after request', function(done) {
send_request({ connection: 'close' }, function(err, resp) {
setTimeout(function() {
get_active_sockets().length.should.eql(existing_sockets);
done();
}, 10)
});
})
})
describe('passing connection: keep-alive', function() {
it('sends a Connection: keep-alive header (using options.headers.connection)', function(done) {
send_request({ headers: { connection: 'keep-alive' }}, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
it('sends a Connection: keep-alive header (using options.connection)', function(done) {
send_request({ connection: 'keep-alive' }, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
it('one open socket remain after request', function(done) {
send_request({ connection: 'keep-alive' }, function(err, resp) {
get_active_sockets().length.should.eql(existing_sockets + 1);
done();
});
})
})
})
describe('new node versions with smarter connection disposing', function() {
before(function() {
delete require.cache[require.resolve('..')]
original_defaultMaxSockets = http.Agent.defaultMaxSockets;
http.Agent.defaultMaxSockets = Infinity;
needle = require('..');
})
after(function() {
http.Agent.defaultMaxSockets = original_defaultMaxSockets;
delete require.cache[require.resolve('..')]
})
describe('default options', function() {
var node_major_ver = process.version.split('.')[0].replace('v', '');
if (parseInt(node_major_ver) >= 4) {
it('sets Connection header to close (> v4)', function(done) {
send_request({}, function(err, resp) {
resp.body.headers['connection'].should.eql('close');
done()
})
})
} else {
it('sets Connection header to keep-alive (< v4)', function(done) {
send_request({}, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
}
if (parseInt(node_major_ver) >= 14) {
// TODO: figure out why this happens
it('two open sockets remains after request (>= v14)', function(done) {
send_request({}, function(err, resp) {
get_active_sockets().length.should.eql(existing_sockets + 2);
done();
});
})
} else if (parseInt(node_major_ver) >= 8 || parseInt(node_major_ver) == 0) {
it('one open socket remains after request (> v8 && v0.10)', function(done) {
send_request({}, function(err, resp) {
get_active_sockets().length.should.eql(existing_sockets + 1);
done();
});
})
} else {
it('no open sockets remain after request (> v0.10 && < v8)', function(done) {
send_request({}, function(err, resp) {
get_active_sockets().length.should.eql(existing_sockets);
done();
});
})
}
})
describe('passing connection: close', function() {
it('sends a Connection: close header', function(done) {
send_request({ connection: 'close' }, function(err, resp) {
resp.body.headers['connection'].should.eql('close');
done();
})
})
it('no open sockets remain after request', function(done) {
send_request({ connection: 'close' }, function(err, resp) {
setTimeout(function() {
get_active_sockets().length.should.eql(existing_sockets);
done();
}, 10);
});
})
})
describe('passing connection: keep-alive', function() {
it('sends a Connection: keep-alive header (using options.headers.connection)', function(done) {
send_request({ headers: { connection: 'keep-alive' }}, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
it('sends a Connection: keep-alive header (using options.connection)', function(done) {
send_request({ connection: 'keep-alive' }, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
it('one open socket remain after request', function(done) {
send_request({ connection: 'keep-alive' }, function(err, resp) {
get_active_sockets().length.should.eql(existing_sockets + 1);
done();
});
})
})
})
describe('using shared keep-alive agent', function() {
before(function() {
needle.defaults({ agent: http.Agent({ keepAlive: true }) })
})
after(function() {
needle.defaults().agent.destroy(); // close existing connections
needle.defaults({ agent: null }); // and reset default value
})
describe('default options', function() {
it('sends a Connection: keep-alive header', function(done) {
send_request({}, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
it('one open socket remain after request', function(done) {
send_request({ connection: 'keep-alive' }, function(err, resp) {
setTimeout(function() {
get_active_sockets().length.should.eql(existing_sockets + 1);
done();
}, 10);
});
})
})
describe('passing connection: close', function() {
it('sends a Connection: close header', function(done) {
send_request({ connection: 'close' }, function(err, resp) {
resp.body.headers['connection'].should.eql('close');
done();
})
})
it('no open sockets remain after request', function(done) {
send_request({ connection: 'close' }, function(err, resp) {
setTimeout(function() {
get_active_sockets().length.should.eql(existing_sockets);
done();
}, 10)
});
})
})
describe('passing connection: keep-alive', function() {
it('sends a Connection: keep-alive header (using options.headers.connection)', function(done) {
send_request({ headers: { connection: 'keep-alive' }}, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
it('sends a Connection: keep-alive header (using options.connection)', function(done) {
send_request({ connection: 'keep-alive' }, function(err, resp) {
resp.body.headers['connection'].should.eql('keep-alive');
done();
})
})
it('one open socket remain after request', function(done) {
send_request({ connection: 'keep-alive' }, function(err, resp) {
setTimeout(function() {
get_active_sockets().length.should.eql(existing_sockets + 1);
done();
}, 10);
})
})
})
})
})