session-desktop/libtextsecure/test/protocol_wrapper_test.js

'use strict';

describe('Protocol Wrapper', function() {
  var store = textsecure.storage.protocol;
  var identifier = '+5558675309';
  var another_identifier = '+5555590210';
  var prekeys, identityKey, testKey;
  this.timeout(5000);
  before(function(done) {
    localStorage.clear();
    libsignal.KeyHelper.generateIdentityKeyPair()
      .then(function(identityKey) {
        return textsecure.storage.protocol.saveIdentity(
          identifier,
          identityKey
        );
      })
      .then(function() {
        done();
      });
  });
  describe('processPreKey', function() {
    it('rejects if the identity key changes', function() {
      var address = new libsignal.SignalProtocolAddress(identifier, 1);
      var builder = new libsignal.SessionBuilder(store, address);
      return builder
        .processPreKey({
          identityKey: textsecure.crypto.getRandomBytes(33),
          encodedNumber: address.toString(),
        })
        .then(function() {
          throw new Error('Allowed to overwrite identity key');
        })
        .catch(function(e) {
          assert.strictEqual(e.message, 'Identity key changed');
        });
    });
  });
});