js: Testing lare messages

--

* Some assumption on messages were wrong. Now the tests use more
  reasonable sizes.
* bigString now uses the full utf8-extent, with the exception of
  U+0000. This code gets dropped during the encryption-decryption
  process.
This commit is contained in:
Maximilian Krambach 2018-05-14 19:02:49 +02:00
parent d1ca90ef75
commit 6b4caee039
3 changed files with 52 additions and 30 deletions

View File

@ -36,7 +36,7 @@ describe('Encryption', function () {
it('Successful encrypt 5 MB', function (done) {
let prm = Gpgmejs.init();
let data = bigString(5);
let data = fixedLengthString(5);
prm.then(function (context) {
context.encrypt(
data,
@ -51,10 +51,9 @@ describe('Encryption', function () {
});
}).timeout(10000);
/**
it('Successful encrypt 20 MB', function (done) {
let prm = Gpgmejs.init();
let data = bigString(20);
let data = fixedLengthString(20);
prm.then(function (context) {
context.encrypt(
data,
@ -68,12 +67,10 @@ describe('Encryption', function () {
});
});
}).timeout(20000);
*/
/**
it('Successful encrypt 30 MB', function (done) {
// TODO: There seems to be a limit imposed at least by chrome at about 21 MB
it('Successful encrypt 50 MB', function (done) {
let prm = Gpgmejs.init();
let data = bigString(30);
let data = fixedLengthString(50);
prm.then(function (context) {
context.encrypt(
data,
@ -87,7 +84,6 @@ describe('Encryption', function () {
});
});
}).timeout(20000);
*/
it('Sending encryption without keys fails', function (done) {
let prm = Gpgmejs.init();
@ -120,7 +116,6 @@ describe('Encryption', function () {
});
});
it('Sending encryption with non existing keys fails', function (done) {
let prm = Gpgmejs.init();
prm.then(function (context) {
@ -138,21 +133,24 @@ describe('Encryption', function () {
});
}).timeout(5000);;
it('Overly large message ( >= 48MB) is rejected', function (done) {
it('Overly large message ( > 65MB) is rejected', function (done) {
let prm = Gpgmejs.init();
prm.then(function (context) {
context.encrypt(
bigString(48),
fixedLengthString(65),
inputvalues.encrypt.good.fingerprint).then(function (answer) {
expect(answer).to.be.undefined;
}, function(error){
expect(error).to.be.an.instanceof(Error);
// TODO who is throwing the error here?
// It is not a GPGME_Error!
// expect(error.code).to.equal('GNUPG_ERROR');
// TODO: there is a 64 MB hard limit at least in chrome at:
// chromium//extensions/renderer/messaging_util.cc:
// kMaxMessageLength
context.connection.disconnect();
done();
});
});
}).timeout(8000);
// TODO check different valid parameter
});

View File

@ -59,14 +59,27 @@ var inputvalues = {
}
};
// (Pseudo-)Random String from a Uint8Array, given approx. size in Megabytes
function bigString(megabytes){
let maxlength = 1024 * 1024 * megabytes;
let uint = new Uint8Array(maxlength);
for (let i= 0; i < maxlength; i++){
uint[i] = Math.random() * Math.floor(256);
// (Pseudo-)Random String covering all of utf8.
function bigString(length){
var uint = '';
let arr = [];
for (let i= 0; i < length; i++){
arr.push(String.fromCharCode(
Math.floor(Math.random() * 10174) + 1)
);
}
return new TextDecoder('utf-8').decode(uint);
return arr.join('');
}
function fixedLengthString(megabytes){
let maxlength = 1024 * 1024 * megabytes / 2;
let uint = new Uint8Array(maxlength);
for (let i = 0; i < maxlength; i++){
uint[i] = Math.floor(Math.random()* 256);
}
let td = new TextDecoder('ascii');
let result = td.decode(uint);
return result;
}
// (Pseudo-)Random Uint8Array, given size in Megabytes
@ -82,19 +95,19 @@ function bigUint8(megabytes){
// (Pseudo-)Random string with very limited charset (ascii only, no control chars)
function bigBoringString(megabytes){
let maxlength = 1024 * 1024 * megabytes;
let string = '';
let string = [];
let chars = ' 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
for (let i= 0; i < maxlength; i++){
string = string + chars[Math.floor(Math.random() * chars.length)];
string.push(chars[Math.floor(Math.random() * chars.length)]);
}
return string;
return string.join('');
}
// Some String with simple chars, with different characteristics, but still
// expected to occur in an averag message
function slightlyLessBoringString(megabytes, set){
let maxlength = 1024 * 1024 * megabytes;
let string = '';
let string = [];
let chars = '';
if (set ===1 ) {
chars = '\n\"\r \'';
@ -108,9 +121,9 @@ function slightlyLessBoringString(megabytes, set){
chars = '*<>\n\"\r§$%&/()=?`#+-{}[] \'';
}
for (let i= 0; i < maxlength; i++){
string = string + chars[Math.floor(Math.random() * chars.length)];
string.push(chars[Math.floor(Math.random() * chars.length)]);
}
return string;
return string.join('');
}
// Data encrypted with testKey

View File

@ -1,8 +1,8 @@
describe('Long running Encryption/Decryption', function () {
for (let i=0; i< 100; i++) {
for (let i=0; i < 100; i++) {
it('Successful encrypt/decrypt completely random data ' + (i+1) + '/100', function (done) {
let prm = Gpgmejs.init();
let data = bigString(2);
let data = bigString(2*1024*1024);
prm.then(function (context) {
context.encrypt(data,
inputvalues.encrypt.good.fingerprint).then(
@ -17,13 +17,24 @@ describe('Long running Encryption/Decryption', function () {
function(result){
expect(result).to.not.be.empty;
expect(result.data).to.be.a('string');
if (result.data.length !== data.length) {
console.log('diff: ' + (result.data.length - data.length));
for (let i=0; i < result.data.length; i++){
if (result.data[i] !== data[i]){
console.log('position: ' + i);
console.log('result : '+ result.data.charCodeAt(i) + result.data[i-2] + result.data[i-1] + result.data[i] + result.data[i+1] + result.data[i+2]);
console.log('original: ' + data.charCodeAt(i) + data[i-2] + data[i-1] + data[i] + data[i+1] + data[i+2]);
break;
}
}
}
expect(result.data).to.equal(data);
context.connection.disconnect();
done();
});
});
});
}).timeout(5000);
}).timeout(8000);
};
it('Successful encrypt 1 MB Uint8Array', function (done) {