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   virtual ~FakeConnectionHandler();
  23
  24   // ConnectionHandler implementation.
  25   virtual void Init(const mcs_proto::LoginRequest& login_request,
  26                     net::StreamSocket* socket) OVERRIDE;
  27   virtual void Reset() OVERRIDE;
  28   virtual bool CanSendMessage() const OVERRIDE;
  29   virtual void SendMessage(const google::protobuf::MessageLite& message)
  30       OVERRIDE;
  31
  32   // EXPECT's receipt of |message| via SendMessage(..).
  33   void ExpectOutgoingMessage(const MCSMessage& message);
  34
  35   // Reset the expected outgoing messages.
  36   void ResetOutgoingMessageExpectations();
  37
  38   // Whether all expected outgoing messages have been received;
  39   bool AllOutgoingMessagesReceived() const;
  40
  41   // Passes on |message| to |write_callback_|.
  42   void ReceiveMessage(const MCSMessage& message);
  43
  44   // Whether to return an error with the next login response.
  45   void set_fail_login(bool fail_login) {
  46     fail_login_ = fail_login;
  47   }
  48
  49   // Whether to invoke the write callback on the next send attempt or fake a
  50   // connection error instead.
  51   void set_fail_send(bool fail_send) {
  52     fail_send_ = fail_send;
  53   }
  54
  55  private:
  56   ConnectionHandler::ProtoReceivedCallback read_callback_;
  57   ConnectionHandler::ProtoSentCallback write_callback_;
  58
  59   std::list<MCSMessage> expected_outgoing_messages_;
  60
  61   // Whether to fail the login or not.
  62   bool fail_login_;
  63
  64   // Whether to fail a SendMessage call or not.
  65   bool fail_send_;
  66
  67   // Whether a successful login has completed.
  68   bool initialized_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(FakeConnectionHandler);
  71 };
  72
  73 }  // namespace gcm
  74
  75 #endif  // GOOGLE_APIS_GCM_ENGINE_FAKE_CONNECTION_HANDLER_H_