[Sync] Move //sync to //components/sync.

sync/test/engine/single_type_mock_server.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef SYNC_TEST_ENGINE_SINGLE_TYPE_MOCK_SERVER_H_
-#define SYNC_TEST_ENGINE_SINGLE_TYPE_MOCK_SERVER_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "sync/internal_api/public/base/model_type.h"
-#include "sync/internal_api/public/non_blocking_sync_common.h"
-
-namespace syncer {
-
-// A mock server used to test of happy-path update and commit logic.
-//
-// This object supports only one ModelType, which must be specified at
-// initialization time.  It does not support GetUpdates messages.  It does not
-// support simulated errors.
-//
-// This class is useful for testing UpdateHandlers and CommitContributors.
-class SingleTypeMockServer {
- public:
-  explicit SingleTypeMockServer(syncer::ModelType type);
-  ~SingleTypeMockServer();
-
-  // Generates a SyncEntity representing a server-delivered update containing
-  // the root node for this SingleTypeMockServer's type.
-  sync_pb::SyncEntity TypeRootUpdate();
-
-  // Generates a SyncEntity representing a server-delivered update.
-  //
-  // The |version_offset| parameter allows the caller to simulate reflected
-  // updates, redeliveries, and genuine updates.
-  sync_pb::SyncEntity UpdateFromServer(
-      int64_t version_offset,
-      const std::string& tag_hash,
-      const sync_pb::EntitySpecifics& specifics);
-
-  // Generates a SyncEntity representing a server-delivered update to delete
-  // an item.
-  sync_pb::SyncEntity TombstoneFromServer(int64_t version_offset,
-                                          const std::string& tag_hash);
-
-  // Generates a response to the specified commit message.
-  //
-  // This does not perform any exhausive testing of the sync protocol.  Many of
-  // the request's fields may safely be left blank, and much of the returned
-  // response will be empty, too.
-  //
-  // This is useful mainly for testing objects that implement the
-  // CommitContributor interface.
-  sync_pb::ClientToServerResponse DoSuccessfulCommit(
-      const sync_pb::ClientToServerMessage& message);
-
-  // Getters to return the commit messages sent to the server through
-  // DoSuccessfulCommit().
-  size_t GetNumCommitMessages() const;
-  sync_pb::ClientToServerMessage GetNthCommitMessage(size_t n) const;
-
-  // Getters to return the most recently committed entities for a given
-  // unique_client_tag hash.
-  bool HasCommitEntity(const std::string& tag_hash) const;
-  sync_pb::SyncEntity GetLastCommittedEntity(const std::string& tag_hash) const;
-
-  // Getters that create realistic-looking progress markers and data type
-  // context.
-  sync_pb::DataTypeProgressMarker GetProgress() const;
-  sync_pb::DataTypeContext GetContext() const;
-
- private:
-  static std::string GenerateId(const std::string& tag_hash);
-
-  // Get and set our emulated server state.
-  int64_t GetServerVersion(const std::string& tag_hash) const;
-  void SetServerVersion(const std::string& tag_hash, int64_t version);
-
-  const ModelType type_;
-  const std::string type_root_id_;
-
-  // Server version state maps.
-  std::map<const std::string, int64_t> server_versions_;
-
-  // Log of messages sent to the server.
-  std::vector<sync_pb::ClientToServerMessage> commit_messages_;
-
-  // Map of most recent commits by tag_hash.
-  std::map<const std::string, sync_pb::SyncEntity> committed_items_;
-
-  DISALLOW_COPY_AND_ASSIGN(SingleTypeMockServer);
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_TEST_ENGINE_SINGLE_TYPE_MOCK_SERVER_H_