ndn-js
Version:
A JavaScript client library for Named Data Networking
403 lines (366 loc) • 21.3 kB
JavaScript
/**
* Copyright (C) 2014-2019 Regents of the University of California.
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* From PyNDN unit-tests by Adeola Bannis.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version, with the additional exemption that
* compiling, linking, and/or using OpenSSL is allowed.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* A copy of the GNU Lesser General Public License is in the file COPYING.
*/
var assert = require("assert");
var Blob = require('../../..').Blob;
var Name = require('../../..').Name;
var Data = require('../../..').Data;
var Interest = require('../../..').Interest;
var Face = require('../../..').Face;
var KeyType = require('../../..').KeyType;
var NetworkNack = require('../../..').NetworkNack;
var MemoryIdentityStorage = require('../../..').MemoryIdentityStorage;
var MemoryPrivateKeyStorage = require('../../..').MemoryPrivateKeyStorage;
var IdentityManager = require('../../..').IdentityManager;
var NoVerifyPolicyManager = require('../../..').NoVerifyPolicyManager;
var KeyChain = require('../../..').KeyChain;
var DEFAULT_RSA_PUBLIC_KEY_DER = new Buffer([
0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
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0x41, 0x02, 0x03, 0x01, 0x00, 0x01
]);
var DEFAULT_RSA_PRIVATE_KEY_DER = new Buffer([
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]);
/**
* Use interestName to express an interest to test onData and timeout behavior.
* The overall test case timeout is set by the --timeout parameter on the
* Mocha command line, e.g. --timeout 10000 .
* @param {type} done The Mocha done object which is called by the
* expressInterest callbacks to tell Mocha to continue.
* @param {Face} face The Face object for calling expressInterest.
* @param {Name} interestName The name for the interest.
* @return {object} An object with onDataCallCount and onTimeoutCallCount,
* as well as the interest and data objects given to the callback. Note that
* Mocha should wait until the callback calls done before continuing to check
* the returned object.
*/
function runExpressNameTest(done, face, interestName, useOnNack)
{
var name = new Name(interestName);
var counter = { onDataCallCount: 0, onTimeoutCallCount: 0, onNetworkNackCallCount: 0,
interest: null, data: null, networkNack: null };
function onData(interest, data) {
counter.interest = interest;
counter.data = data;
++counter.onDataCallCount;
// Mocha doesn't like "done" being called multiple times, so only call the first time.
if (counter.onDataCallCount === 1)
done();
}
function onTimeout(interest) {
counter.interest = interest;
++counter.onTimeoutCallCount;
// Mocha doesn't like "done" being called multiple times, so only call the first time.
if (counter.onTimeoutCallCount === 1)
done();
}
function onNetworkNack(interest, networkNack) {
counter.interest = interest;
counter.networkNack = networkNack;
++counter.onNetworkNackCallCount;
// Mocha doesn't like "done" being called multiple times, so only call the first time.
if (counter.onNetworkNackCallCount === 1)
done();
}
if (useOnNack)
face.expressInterest(name, onData, onTimeout, onNetworkNack);
else
face.expressInterest(name, onData, onTimeout);
return counter;
}
var face;
var uri;
var counter;
var interestID;
var faceIn;
var faceOut;
var keyChain;
var certificateName;
describe('TestFaceRegisterMethods', function() {
beforeEach(function(done) {
var identityStorage = new MemoryIdentityStorage();
var privateKeyStorage = new MemoryPrivateKeyStorage();
keyChain = new KeyChain
(new IdentityManager(identityStorage, privateKeyStorage),
new NoVerifyPolicyManager());
var keyName = new Name("/testname/DSK-123");
certificateName = keyName.getSubName(0, keyName.size() - 1).append
("KEY").append(keyName.get(-1)).append("ID-CERT").append("0");
identityStorage.addKey
(keyName, KeyType.RSA, new Blob(DEFAULT_RSA_PUBLIC_KEY_DER, false));
privateKeyStorage.setKeyPairForKeyName
(keyName, KeyType.RSA, DEFAULT_RSA_PUBLIC_KEY_DER, DEFAULT_RSA_PRIVATE_KEY_DER);
faceIn = new Face({host: "localhost"});
faceOut = new Face({host: "localhost"});
faceIn.setCommandSigningInfo(keyChain, certificateName);
faceOut.setCommandSigningInfo(keyChain, certificateName);
done();
});
it('RegisterPrefixResponse', function(done) {
var prefixName = new Name("/test");
var interestCallbackCount = 0;
var failedCallbackCount = 0;
var dataCallbackCount = 0;
var timeoutCallbackCount = 0;
var receivedData = new Data();
faceIn.registerPrefix
(prefixName, function(prefix, interest, face, interestFilterId, filter) {
try {
++interestCallbackCount;
var data = new Data(interest.getName());
data.setContent(new Blob("SUCCESS"));
keyChain.sign(data, certificateName);
face.putData(data);
} catch (ex) { done(ex); }
}, function(prefix) {
// Register failed.
++failedCallbackCount;
try {
// Force the exception and call done now.
assert.equal(0, failedCallbackCount,
"Failed to register prefix at all");
} catch (ex) { done(ex); }
}, function(prefix, registeredPrefixId) {
// Register success.
// Give the "server" time to register the interest.
setTimeout(sendInterest, 1000);
});
function sendInterest() {
// Now express an interest on this new face, and see if onInterest is called.
// Add the timestamp so it is unique and we don't get a cached response.
try {
var interestName = prefixName.append("hello" + new Date().getTime());
faceOut.expressInterest(interestName, function(interest, data) {
++dataCallbackCount;
receivedData = data;
checkResult();
}, function(interest) {
++timeoutCallbackCount;
checkResult();
});
} catch (ex) { done(ex); }
}
function checkResult() {
try {
assert.equal(1, interestCallbackCount,
"Expected 1 onInterest callback");
assert.equal(1, dataCallbackCount,
"Expected 1 onData callback");
// Check the message content.
var expectedBlob = new Blob("SUCCESS");
assert.ok(expectedBlob.equals(receivedData.getContent()),
"Data received on the face does not match the expected format");
done();
} catch (ex) { done(ex); }
}
});
});
/*
TODO: Replace this with a test that connects to a Face on localhost
def test_specific_interest(self):
uri = "/ndn/edu/ucla/remap/ndn-js-test/howdy.txt/%FD%052%A1%DF%5E%A4"
(dataCallback, timeoutCallback) = self.run_express_name_test(uri)
self.assertTrue(timeoutCallback.call_count == 0, 'Unexpected timeout on expressed interest')
// check that the callback was correct
self.assertEqual(dataCallback.call_count, 1, 'Expected 1 onData callback, got '+str(dataCallback.call_count))
onDataArgs = dataCallback.call_args[0] # the args are returned as ([ordered arguments], [keyword arguments])
// just check that the interest was returned correctly?
callbackInterest = onDataArgs[0]
self.assertTrue(callbackInterest.getName().equals(Name(uri)), 'Interest returned on callback had different name')
*/
describe('TestFaceInterestMethods', function() {
// Mocha will wait until a callback calls "done" before running the "it" test.
beforeEach(function(done) {
face = new Face({host: "localhost"});
uri = "/test123/timeout";
counter = runExpressNameTest(done, face, uri);
});
it('Timeout', function() {
// we're expecting a timeout callback, and only 1
assert.ok(counter.onDataCallCount == 0, 'Data callback called for invalid interest');
assert.ok(counter.onTimeoutCallCount == 1, 'Expected 1 timeout call, got ' + counter.onTimeoutCallCount);
// just check that the interest was returned correctly?
var callbackInterest = counter.interest;
assert.ok(callbackInterest.getName().equals(new Name(uri)), 'Interest returned on callback had different name');
});
});
describe('TestFaceInterestMethods', function() {
// Mocha will wait until a callback calls "done" before running the "it" test.
beforeEach(function(done) {
var name = new Name("/ndn/edu/ucla/remap/");
counter = { onDataCallCount: 0, onTimeoutCallCount: 0 };
interestID = face.expressInterest
(name,
function(interest, data) {
++counter.onDataCallCount;
// Mocha doesn't like "done" being called multiple times, so only call the first time.
if (counter.onDataCallCount == 1)
done();
},
function(interest) {
++counter.onTimeoutCallCount;
// Mocha doesn't like "done" being called multiple times, so only call the first time.
if (counter.onTimeoutCallCount == 1)
done();
});
// Set a timeout to call done if not called by onData or onTimeout. We wait
// longer than the interest timeout (about 4000 ms) but shorter than the
// Mocha test timeout (about 10000 ms).
setTimeout(function() {
if (counter.onDataCallCount == 0 && counter.onTimeoutCallCount == 0)
done();
}, 8000);
face.removePendingInterest(interestID);
});
it('RemovePending', function() {
assert.equal(counter.onDataCallCount, 0, 'Should not have called data callback after interest was removed');
assert.equal(counter.onTimeoutCallCount, 0, 'Should not have called timeout callback after interest was removed');
});
});
describe('TestFaceInterestMethods', function() {
it('MaxNdnPacketSize', function() {
// Construct an interest whose encoding is one byte larger than getMaxNdnPacketSize.
var targetSize = Face.getMaxNdnPacketSize() + 1;
// Start with an interest which is almost the right size.
var interest = new Interest();
interest.getName().append(new Buffer(targetSize));
var initialSize = interest.wireEncode().size();
// Now replace the component with the desired size which trims off the extra encoding.
interest.setName
(new Name().append(new Buffer(targetSize - (initialSize - targetSize))));
var interestSize = interest.wireEncode().size();
assert.equal(targetSize, interestSize, "Wrong interest size for MaxNdnPacketSize");
assert.throws
(function() {
face.expressInterest
(interest, function(interest, data) {}, function(interest) {}); },
Error,
"expressInterest didn't throw an exception when the interest size exceeds getMaxNdnPacketSize()");
});
});
describe('TestFaceInterestMethods', function() {
// Mocha will wait until a callback calls "done" before running the "it" test.
beforeEach(function(done) {
uri ="/noroute" + new Date().getTime();
counter = runExpressNameTest(done, face, uri, true);
});
it('NetworkNack', function() {
// We're expecting a network Nack callback, and only 1.
assert.equal(counter.onDataCallCount, 0,
"Data callback called for unroutable interest");
assert.equal(counter.onTimeoutCallCount, 0,
"Timeout callback called for unroutable interest");
assert.equal(counter.onNetworkNackCallCount, 1,
"Expected 1 network Nack call");
assert.equal(counter.networkNack.getReason(), NetworkNack.Reason.NO_ROUTE,
"Network Nack has unexpected reason");
});
});