google_apis/gcm/engine/fake_connection_handler.h

   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 #ifndef GOOGLE_APIS_GCM_ENGINE_FAKE_CONNECTION_HANDLER_H_
   6 #define GOOGLE_APIS_GCM_ENGINE_FAKE_CONNECTION_HANDLER_H_
   7
   8 #include <list>
   9
  10 #include "google_apis/gcm/base/mcs_message.h"
  11 #include "google_apis/gcm/engine/connection_handler.h"
  12
  13 namespace gcm {
  14
  15 // A fake implementation of a ConnectionHandler that can arbitrarily receive
  16 // messages and verify expectations for outgoing messages.
  17 class FakeConnectionHandler : public ConnectionHandler {
  18  public:
  19   FakeConnectionHandler(
  20       const ConnectionHandler::ProtoReceivedCallback& read_callback,
  21       const ConnectionHandler::ProtoSentCallback& write_callback);
  22   ~FakeConnectionHandler() override;
  23
  24   // ConnectionHandler implementation.
  25   void Init(const mcs_proto::LoginRequest& login_request,
  26             net::StreamSocket* socket) override;
  27   void Reset() override;
  28   bool CanSendMessage() const override;
  29   void SendMessage(const google::protobuf::MessageLite& message) override;
  30
  31   // EXPECT's receipt of |message| via SendMessage(..).
  32   void ExpectOutgoingMessage(const MCSMessage& message);
  33
  34   // Reset the expected outgoing messages.
  35   void ResetOutgoingMessageExpectations();
  36
  37   // Whether all expected outgoing messages have been received;
  38   bool AllOutgoingMessagesReceived() const;
  39
  40   // Passes on |message| to |write_callback_|.
  41   void ReceiveMessage(const MCSMessage& message);
  42
  43   // Whether to return an error with the next login response.
  44   void set_fail_login(bool fail_login) {
  45     fail_login_ = fail_login;
  46   }
  47
  48   // Whether to invoke the write callback on the next send attempt or fake a
  49   // connection error instead.
  50   void set_fail_send(bool fail_send) {
  51     fail_send_ = fail_send;
  52   }
  53
  54  private:
  55   ConnectionHandler::ProtoReceivedCallback read_callback_;
  56   ConnectionHandler::ProtoSentCallback write_callback_;
  57
  58   std::list<MCSMessage> expected_outgoing_messages_;
  59
  60   // Whether to fail the login or not.
  61   bool fail_login_;
  62
  63   // Whether to fail a SendMessage call or not.
  64   bool fail_send_;
  65
  66   // Whether a successful login has completed.
  67   bool initialized_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(FakeConnectionHandler);
  70 };
  71
  72 }  // namespace gcm
  73
  74 #endif  // GOOGLE_APIS_GCM_ENGINE_FAKE_CONNECTION_HANDLER_H_