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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "google_apis/gcm/engine/fake_connection_handler.h"
      6 
      7 #include "base/logging.h"
      8 #include "google_apis/gcm/base/mcs_util.h"
      9 #include "net/socket/stream_socket.h"
     10 #include "testing/gtest/include/gtest/gtest.h"
     11 
     12 namespace gcm {
     13 
     14 namespace {
     15 
     16 // Build a basic login response.
     17 scoped_ptr<google::protobuf::MessageLite> BuildLoginResponse(bool fail_login) {
     18   scoped_ptr<mcs_proto::LoginResponse> login_response(
     19       new mcs_proto::LoginResponse());
     20   login_response->set_id("id");
     21   if (fail_login)
     22     login_response->mutable_error()->set_code(1);
     23   return login_response.PassAs<google::protobuf::MessageLite>();
     24 }
     25 
     26 }  // namespace
     27 
     28 FakeConnectionHandler::FakeConnectionHandler(
     29     const ConnectionHandler::ProtoReceivedCallback& read_callback,
     30     const ConnectionHandler::ProtoSentCallback& write_callback)
     31     : read_callback_(read_callback),
     32       write_callback_(write_callback),
     33       fail_login_(false),
     34       fail_send_(false),
     35       initialized_(false) {
     36 }
     37 
     38 FakeConnectionHandler::~FakeConnectionHandler() {
     39 }
     40 
     41 void FakeConnectionHandler::Init(const mcs_proto::LoginRequest& login_request,
     42                                  net::StreamSocket* socket) {
     43   ASSERT_GE(expected_outgoing_messages_.size(), 1U);
     44   EXPECT_EQ(expected_outgoing_messages_.front().SerializeAsString(),
     45             login_request.SerializeAsString());
     46   expected_outgoing_messages_.pop_front();
     47   DVLOG(1) << "Received init call.";
     48   read_callback_.Run(BuildLoginResponse(fail_login_));
     49   initialized_ = !fail_login_;
     50 }
     51 
     52 void FakeConnectionHandler::Reset() {
     53   initialized_ = false;
     54 }
     55 
     56 bool FakeConnectionHandler::CanSendMessage() const {
     57   return initialized_;
     58 }
     59 
     60 void FakeConnectionHandler::SendMessage(
     61     const google::protobuf::MessageLite& message) {
     62   if (expected_outgoing_messages_.empty())
     63     FAIL() << "Unexpected message sent.";
     64   EXPECT_EQ(expected_outgoing_messages_.front().SerializeAsString(),
     65             message.SerializeAsString());
     66   expected_outgoing_messages_.pop_front();
     67   DVLOG(1) << "Received message, "
     68            << (fail_send_ ? " failing send." : "calling back.");
     69   if (!fail_send_)
     70     write_callback_.Run();
     71   else
     72     initialized_ = false;  // Prevent future messages until reconnect.
     73 }
     74 
     75 void FakeConnectionHandler::ExpectOutgoingMessage(const MCSMessage& message) {
     76   expected_outgoing_messages_.push_back(message);
     77 }
     78 
     79 void FakeConnectionHandler::ResetOutgoingMessageExpectations() {
     80   expected_outgoing_messages_.clear();
     81 }
     82 
     83 bool FakeConnectionHandler::AllOutgoingMessagesReceived() const {
     84   return expected_outgoing_messages_.empty();
     85 }
     86 
     87 void FakeConnectionHandler::ReceiveMessage(const MCSMessage& message) {
     88   read_callback_.Run(message.CloneProtobuf());
     89 }
     90 
     91 }  // namespace gcm
     92