Basic implementation of the Sync C++ fake server

sync/test/fake_server/fake_server.h

Index: sync/test/fake_server/fake_server.h
diff --git a/sync/test/fake_server/fake_server.h b/sync/test/fake_server/fake_server.h
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+// Copyright 2013 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_FAKE_SERVER_FAKE_SERVER_H_
+#define SYNC_TEST_FAKE_SERVER_FAKE_SERVER_H_
+
+#include <map>
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "sync/internal_api/public/base/model_type.h"
+#include "sync/protocol/sync.pb.h"
+
+namespace syncer {
+
+// A fake version of the Sync server used for testing.
+class FakeServer {
+ public:
+  FakeServer();
+  virtual ~FakeServer();
+
+  // Handles a /command POST to the server. If the return value is 0 (success),
+  // |response_code| and |response| will be set. Otherwise, the return value
+  // will be a network error code.
+  int HandleCommand(std::string request,
+                    int* response_code,
+                    std::string* response);
+
+ private:
+  typedef std::map<std::string, sync_pb::SyncEntity> EntityMap;
+
+  // Processes a GetUpdates call.
+  sync_pb::ClientToServerResponse HandleGetUpdatesRequest(
+      const sync_pb::ClientToServerMessage& message);
+
+  // Processes a Commit call.
+  sync_pb::ClientToServerResponse HandleCommitRequest(
+      const sync_pb::ClientToServerMessage& message);
+
+  // Inserts the appropriate permanent items in |entities_|.
+  void CreateDefaultPermanentItems(
+      const std::vector<ModelType>& first_time_types);
+
+  // Creates and saves a SyncEntity of the given |model_type|. The entity's
+  // id_string and server_defined_unique_tag fields are set to |id|. The
+  // non_unique_name and name fields are set to |name|. Since tags are used as
+  // ids, the parent_id_string field is set to |parent_tag|.
+  void CreateSyncEntity(ModelType model_type,
+                        const std::string& id,
+                        const std::string& name,
+                        const std::string& parent_tag);
+
+  // Saves a |entity| to |entities_|.
+  void SaveEntity(sync_pb::SyncEntity entity);
+
+  // Commits a client-side |entity| to |entities_|.
+  sync_pb::SyncEntity CommitEntity(sync_pb::SyncEntity entity,
+                                   std::string guid);
+
+  // This is the last version number assigned to an entity. The next entity will
+  // have a version number of version_ + 1.
+  int64 version_;
+
+  // The current birthday value.
+  std::string birthday_;
+
+  // All SyncEntity objects saved by the server. The key value is the entity's
+  // id string.
+  EntityMap entities_;
+
+  // All Keystore keys known to the server.
+  std::vector<std::string> keystore_keys_;
+};
+
+}  // namespace syncer
+
+#endif  // SYNC_TEST_FAKE_SERVER_FAKE_SERVER_H_