Package com.google.walkaround.slob.client.ChannelTestUtil

Examples of com.google.walkaround.slob.client.ChannelTestUtil.Doc


    DocOpScrub.setShouldScrubByDefault(false);
    r = RandomProviderImpl.ofSeed(seed);
    p = new Parameters();
    p.setMaxOpeningComponents(5);
    Doc client = new Doc();
    FakeServer server = new FakeServer(r, p);
    LinkedList<Integer> xhrResponses = Lists.newLinkedList();

    TransformQueue<DocOp> q = new TransformQueue<DocOp>(
        ChannelTestUtil.randomlyCompactingTransformer(0));
    q.init(0);

    int[] scenario = new int[8];

//    PrintStream out = System.out;
    PrintStream out = NULL_STREAM;

    int numConvergences = 0;
    for (int iter = 0; iter < numIterations; iter++) {
      Event e = randomEvent();
      out.println("\n" + iter + " " + e + " ========");
      eventCounts.put(e, (eventCounts.containsKey(e) ? eventCounts.get(e) : 0) + 1);
      switch (e) {
      case CLIENT_OP:
        DocOp op = randomOp(client);
        q.clientOp(op);
        break;
      case CLIENT_SEND:
        if (!q.hasUnacknowledgedClientOps() && q.hasQueuedClientOps()) {
          server.sendToServer(q.revision(), q.pushQueuedOpsToUnacked());
        }
        break;
      case SERVER_OP:
        server.randomServerOp();
        break;
      case XHR_RESPONSE:
        while (!xhrResponses.isEmpty()) {
          int responseVersion = xhrResponses.remove();
          q.ackOpsIfVersionMatches(responseVersion);
        }
        break;
      case CLIENT_RECEIVE:
      case CLIENT_RECEIVE_ALL:
        while (server.channelPending()) {
          UnitPackage p = server.clientReceive();
          if (p.clientSourced) {
            out.println("client");
            if (!q.expectedAck(p.resultingRevision)) {
              q.ackClientOp(p.resultingRevision);
            }
          } else {
            q.serverOp(p.resultingRevision, p.onlyOp());
          }

          if (e == Event.CLIENT_RECEIVE) {
            break;
          }
        }
        break;
      case CLIENT_APPLY:
        if (q.hasServerOp()) {
          client.consume(q.removeServerOp());
        }
        break;
      case SERVER_RECEIVE:
        if (server.serverReceive()) {
          xhrResponses.add(server.revision());
        }
        break;
      default:
        throw new AssertionError("Unhandled event");
      }

//      out.println(server);
//      out.println(q);
//      out.println(client);

      // Extra checking, simulate convergence
      if (iter % 10 == 0) {
        Doc clientCopy = client.copy();
        Doc serverCopy = server.at(q.revision()).copy();
        for (DocOp pendingServerOp : q.serverOps) {
          clientCopy.consume(pendingServerOp);
        }
        for (DocOp pendingClientOp : q.unackedClientOps) {
          serverCopy.consume(pendingClientOp);
        }
        for (DocOp pendingClientOp : q.queuedClientOps) {
          serverCopy.consume(pendingClientOp);
        }
        assertEquals("Unequal states", clientCopy.repr(), serverCopy.repr());
      }

      boolean qco = q.hasQueuedClientOps();
      boolean uco = q.hasUnacknowledgedClientOps();
      boolean so = q.hasServerOp();
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