sync/notifier/mock_ack_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 SYNC_NOTIFIER_MOCK_ACK_HANDLER_H_
   6 #define SYNC_NOTIFIER_MOCK_ACK_HANDLER_H_
   7
   8 #include <vector>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "sync/base/sync_export.h"
  13 #include "sync/internal_api/public/util/weak_handle.h"
  14 #include "sync/notifier/ack_handler.h"
  15
  16 namespace syncer {
  17
  18 class Invalidation;
  19
  20 // This AckHandler implementation colaborates with the FakeInvalidationService
  21 // to enable unit tests to assert that invalidations are being acked properly.
  22 class MockAckHandler
  23   : public AckHandler,
  24     public base::SupportsWeakPtr<MockAckHandler> {
  25  public:
  26   MockAckHandler();
  27   virtual ~MockAckHandler();
  28
  29   // Sets up some internal state to track this invalidation, and modifies it so
  30   // that its Acknowledge() and Drop() methods will route back to us.
  31   void RegisterInvalidation(Invalidation* invalidation);
  32
  33   // No one was listening for this invalidation, so no one will receive it or
  34   // ack it.  We keep track of it anyway to let tests make assertions about it.
  35   void RegisterUnsentInvalidation(Invalidation* invalidation);
  36
  37   // Returns true if the specified invalidaition has been delivered, but has not
  38   // been acknowledged yet.
  39   bool IsUnacked(const Invalidation& invalidation) const;
  40
  41   // Returns true if the specified invalidation was never delivered.
  42   bool IsUnsent(const Invalidation& invalidation) const;
  43
  44   // Implementation of AckHandler.
  45   virtual void Acknowledge(
  46       const invalidation::ObjectId& id,
  47       const AckHandle& handle) OVERRIDE;
  48   virtual void Drop(
  49       const invalidation::ObjectId& id,
  50       const AckHandle& handle) OVERRIDE;
  51
  52  private:
  53   typedef std::vector<syncer::Invalidation> InvalidationVector;
  54
  55   WeakHandle<AckHandler> WeakHandleThis();
  56
  57   InvalidationVector unsent_invalidations_;
  58   InvalidationVector unacked_invalidations_;
  59   InvalidationVector acked_invalidations_;
  60 };
  61
  62 }  // namespace syncer
  63
  64 #endif  // SYNC_NOTIFIER_MOCK_ACK_HANDLER_H_