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

sync/internal_api/public/simple_metadata_change_list_unittest.cc

Index: sync/internal_api/public/simple_metadata_change_list_unittest.cc
diff --git a/sync/internal_api/public/simple_metadata_change_list_unittest.cc b/sync/internal_api/public/simple_metadata_change_list_unittest.cc
deleted file mode 100644
index ff2fea668724c9dfd2586b5647d43951ee6bd9e9..0000000000000000000000000000000000000000
--- a/sync/internal_api/public/simple_metadata_change_list_unittest.cc
+++ /dev/null
@@ -1,188 +0,0 @@
-// Copyright 2016 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.
-#include "sync/internal_api/public/simple_metadata_change_list.h"
-
-#include "base/bind.h"
-#include "base/run_loop.h"
-#include "sync/api/mock_model_type_store.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace syncer_v2 {
-namespace {
-
-using WriteBatch = ModelTypeStore::WriteBatch;
-
-void RecordMetadataWrite(std::map<std::string, std::string>* map,
-                         WriteBatch* batch,
-                         const std::string& key,
-                         const std::string& value) {
-  (*map)[key] = value;
-}
-
-void RecordGlobalMetadataWrite(std::string* str,
-                               WriteBatch* batch,
-                               const std::string& value) {
-  *str = value;
-}
-
-void RecordMetadataDelete(std::set<std::string>* set,
-                          WriteBatch* batch,
-                          const std::string& id) {
-  set->insert(id);
-}
-
-void RecordGlobalMetadataDelete(bool* was_delete_called, WriteBatch* batch) {
-  *was_delete_called = true;
-}
-
-class SimpleMetadataChangeListTest : public testing::Test {
- protected:
-  SimpleMetadataChangeListTest() {}
-
-  MockModelTypeStore* store() { return &store_; }
-
- private:
-  // MockModelTypeStore needs MessageLoop
-  base::MessageLoop message_loop_;
-
-  MockModelTypeStore store_;
-};
-
-TEST_F(SimpleMetadataChangeListTest, TransferChangesEmptyChangeList) {
-  SimpleMetadataChangeList cl;
-  std::unique_ptr<WriteBatch> batch = store()->CreateWriteBatch();
-
-  std::map<std::string, std::string> change_map;
-  std::set<std::string> delete_set;
-  std::string global_metadata;
-  store()->RegisterWriteMetadataHandler(
-      base::Bind(&RecordMetadataWrite, &change_map));
-  store()->RegisterWriteGlobalMetadataHandler(
-      base::Bind(&RecordGlobalMetadataWrite, &global_metadata));
-  store()->RegisterDeleteMetadataHandler(
-      base::Bind(&RecordMetadataDelete, &delete_set));
-
-  cl.TransferChanges(store(), batch.get());
-
-  EXPECT_EQ(change_map.size(), 0ul);
-  EXPECT_EQ(delete_set.size(), 0ul);
-  EXPECT_EQ(global_metadata.size(), 0ul);
-}
-
-TEST_F(SimpleMetadataChangeListTest, TransferChangesClearsLocalState) {
-  SimpleMetadataChangeList cl;
-  sync_pb::EntityMetadata metadata;
-  metadata.set_client_tag_hash("some_hash");
-  cl.UpdateMetadata("client_tag", metadata);
-
-  sync_pb::DataTypeState state;
-  state.set_encryption_key_name("ekn");
-  cl.UpdateDataTypeState(state);
-
-  EXPECT_NE(cl.GetMetadataChanges().size(), 0ul);
-  EXPECT_TRUE(cl.HasDataTypeStateChange());
-
-  std::unique_ptr<WriteBatch> batch = store()->CreateWriteBatch();
-  cl.TransferChanges(store(), batch.get());
-
-  EXPECT_EQ(cl.GetMetadataChanges().size(), 0ul);
-  EXPECT_FALSE(cl.HasDataTypeStateChange());
-}
-
-TEST_F(SimpleMetadataChangeListTest, TransferChangesMultipleInvocationsSafe) {
-  SimpleMetadataChangeList cl;
-  sync_pb::EntityMetadata metadata;
-  metadata.set_client_tag_hash("some_hash");
-  cl.UpdateMetadata("client_tag", metadata);
-
-  sync_pb::DataTypeState state;
-  state.set_encryption_key_name("ekn");
-  cl.UpdateDataTypeState(state);
-
-  std::string global_metadata;
-  std::map<std::string, std::string> change_map;
-  store()->RegisterWriteMetadataHandler(
-      base::Bind(&RecordMetadataWrite, &change_map));
-  store()->RegisterWriteGlobalMetadataHandler(
-      base::Bind(&RecordGlobalMetadataWrite, &global_metadata));
-
-  std::unique_ptr<WriteBatch> batch = store()->CreateWriteBatch();
-  cl.TransferChanges(store(), batch.get());
-  cl.TransferChanges(store(), batch.get());
-  cl.TransferChanges(store(), batch.get());
-
-  EXPECT_EQ(state.SerializeAsString(), global_metadata);
-  EXPECT_EQ(metadata.SerializeAsString(), change_map["client_tag"]);
-}
-
-TEST_F(SimpleMetadataChangeListTest, TransferChangesMultipleChanges) {
-  SimpleMetadataChangeList cl;
-
-  sync_pb::EntityMetadata metadata;
-  metadata.set_client_tag_hash("some_hash");
-  cl.UpdateMetadata("client_tag", metadata);
-  metadata.set_specifics_hash("specifics_hash");
-  cl.UpdateMetadata("client_tag", metadata);
-
-  sync_pb::EntityMetadata metadata2;
-  metadata2.set_client_tag_hash("some_other_hash");
-  cl.UpdateMetadata("client_tag2", metadata2);
-
-  sync_pb::DataTypeState state;
-  state.set_encryption_key_name("ekn");
-  cl.UpdateDataTypeState(state);
-  state.set_encryption_key_name("ekn2");
-  cl.UpdateDataTypeState(state);
-
-  std::string global_metadata;
-  std::map<std::string, std::string> change_map;
-  store()->RegisterWriteGlobalMetadataHandler(
-      base::Bind(&RecordGlobalMetadataWrite, &global_metadata));
-  store()->RegisterWriteMetadataHandler(
-      base::Bind(&RecordMetadataWrite, &change_map));
-
-  std::unique_ptr<WriteBatch> batch = store()->CreateWriteBatch();
-  cl.TransferChanges(store(), batch.get());
-
-  EXPECT_EQ(metadata.SerializeAsString(), change_map["client_tag"]);
-  EXPECT_EQ(metadata2.SerializeAsString(), change_map["client_tag2"]);
-  EXPECT_EQ(state.SerializeAsString(), global_metadata);
-}
-
-TEST_F(SimpleMetadataChangeListTest, TransferChangesDeletesClearedItems) {
-  SimpleMetadataChangeList cl;
-  sync_pb::EntityMetadata metadata;
-  metadata.set_client_tag_hash("some_hash");
-  cl.UpdateMetadata("client_tag", metadata);
-  cl.ClearMetadata("client_tag");
-
-  sync_pb::DataTypeState state;
-  state.set_encryption_key_name("ekn");
-  cl.UpdateDataTypeState(state);
-  cl.ClearDataTypeState();
-
-  std::map<std::string, std::string> change_map;
-  std::set<std::string> delete_set;
-  std::string global_metadata;
-  bool delete_called = false;
-  store()->RegisterWriteMetadataHandler(
-      base::Bind(&RecordMetadataWrite, &change_map));
-  store()->RegisterWriteGlobalMetadataHandler(
-      base::Bind(&RecordGlobalMetadataWrite, &global_metadata));
-  store()->RegisterDeleteMetadataHandler(
-      base::Bind(&RecordMetadataDelete, &delete_set));
-  store()->RegisterDeleteGlobalMetadataHandler(
-      base::Bind(&RecordGlobalMetadataDelete, &delete_called));
-
-  std::unique_ptr<WriteBatch> batch = store()->CreateWriteBatch();
-  cl.TransferChanges(store(), batch.get());
-
-  EXPECT_TRUE(delete_set.find("client_tag") != delete_set.end());
-  EXPECT_TRUE(change_map.find("client_tag") == change_map.end());
-  EXPECT_TRUE(delete_called);
-  EXPECT_TRUE(global_metadata.empty());
-}
-
-}  // namespace
-}  // namespace syncer_v2