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

sync/internal_api/model_type_store_impl_unittest.cc

-// Copyright 2015 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/model_type_store_impl.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace syncer_v2 {
-
-class ModelTypeStoreImplTest : public testing::Test {
- public:
-  void TearDown() override {
-    if (store_) {
-      store_.reset();
-      PumpLoop();
-    }
-  }
-
-  ModelTypeStore* store() { return store_.get(); }
-
-  void OnInitDone(ModelTypeStore::Result result,
-                  std::unique_ptr<ModelTypeStore> store) {
-    ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-    store_ = std::move(store);
-  }
-
-  void PumpLoop() {
-    base::RunLoop run_loop;
-    run_loop.RunUntilIdle();
-  }
-
-  void CreateStore() {
-    ModelTypeStore::CreateInMemoryStoreForTest(base::Bind(
-        &ModelTypeStoreImplTest::OnInitDone, base::Unretained(this)));
-    PumpLoop();
-  }
-
-  void WriteTestData() {
-    std::unique_ptr<ModelTypeStore::WriteBatch> write_batch =
-        store()->CreateWriteBatch();
-    store()->WriteData(write_batch.get(), "id1", "data1");
-    store()->WriteMetadata(write_batch.get(), "id1", "metadata1");
-    store()->WriteData(write_batch.get(), "id2", "data2");
-    store()->WriteGlobalMetadata(write_batch.get(), "global_metadata");
-    ModelTypeStore::Result result;
-    store()->CommitWriteBatch(std::move(write_batch),
-                              base::Bind(&CaptureResult, &result));
-    PumpLoop();
-    ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-  }
-
-  // Following functions capture parameters passed to callbacks into variables
-  // provided by test. They can be passed as callbacks to ModelTypeStore
-  // functions.
-  static void CaptureResult(ModelTypeStore::Result* dst,
-                            ModelTypeStore::Result result) {
-    *dst = result;
-  }
-
-  static void CaptureResultWithRecords(
-      ModelTypeStore::Result* dst_result,
-      std::unique_ptr<ModelTypeStore::RecordList>* dst_records,
-      ModelTypeStore::Result result,
-      std::unique_ptr<ModelTypeStore::RecordList> records) {
-    *dst_result = result;
-    *dst_records = std::move(records);
-  }
-
-  static void CaptureResutRecordsAndString(
-      ModelTypeStore::Result* dst_result,
-      std::unique_ptr<ModelTypeStore::RecordList>* dst_records,
-      std::string* dst_value,
-      ModelTypeStore::Result result,
-      std::unique_ptr<ModelTypeStore::RecordList> records,
-      const std::string& value) {
-    *dst_result = result;
-    *dst_records = std::move(records);
-    *dst_value = value;
-  }
-
-  static void CaptureResutRecordsAndIdList(
-      ModelTypeStore::Result* dst_result,
-      std::unique_ptr<ModelTypeStore::RecordList>* dst_records,
-      std::unique_ptr<ModelTypeStore::IdList>* dst_id_list,
-      ModelTypeStore::Result result,
-      std::unique_ptr<ModelTypeStore::RecordList> records,
-      std::unique_ptr<ModelTypeStore::IdList> missing_id_list) {
-    *dst_result = result;
-    *dst_records = std::move(records);
-    *dst_id_list = std::move(missing_id_list);
-  }
-
- private:
-  base::MessageLoop message_loop_;
-  std::unique_ptr<ModelTypeStore> store_;
-};
-
-// Matcher to verify contents of returned RecordList .
-MATCHER_P2(RecordMatches, id, value, "") {
-  return arg.id == id && arg.value == value;
-}
-
-// Test that CreateInMemoryStoreForTest triggers store initialization that
-// results with callback being called with valid store pointer. Test that
-// resulting store is empty functional one.
-TEST_F(ModelTypeStoreImplTest, CreateInMemoryStore) {
-  ModelTypeStore::CreateInMemoryStoreForTest(
-      base::Bind(&ModelTypeStoreImplTest::OnInitDone, base::Unretained(this)));
-  ASSERT_EQ(nullptr, store());
-  PumpLoop();
-  ASSERT_NE(nullptr, store());
-
-  ModelTypeStore::Result result;
-  std::unique_ptr<ModelTypeStore::RecordList> records;
-  store()->ReadAllData(
-      base::Bind(&CaptureResultWithRecords, &result, &records));
-  PumpLoop();
-  ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-  ASSERT_TRUE(records->empty());
-
-  std::string global_metadata;
-  store()->ReadAllMetadata(base::Bind(&CaptureResutRecordsAndString, &result,
-                                      &records, &global_metadata));
-  PumpLoop();
-  ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-  ASSERT_TRUE(records->empty());
-  ASSERT_TRUE(global_metadata.empty());
-}
-
-// Test that records that are written to store later can be read from it.
-TEST_F(ModelTypeStoreImplTest, WriteThenRead) {
-  CreateStore();
-  WriteTestData();
-
-  ModelTypeStore::Result result;
-  std::unique_ptr<ModelTypeStore::RecordList> records;
-  store()->ReadAllData(
-      base::Bind(&CaptureResultWithRecords, &result, &records));
-  PumpLoop();
-  ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-  ASSERT_THAT(*records,
-              testing::UnorderedElementsAre(RecordMatches("id1", "data1"),
-                                            RecordMatches("id2", "data2")));
-
-  std::string global_metadata;
-  store()->ReadAllMetadata(base::Bind(&CaptureResutRecordsAndString, &result,
-                                      &records, &global_metadata));
-  PumpLoop();
-  ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-  ASSERT_THAT(*records,
-              testing::UnorderedElementsAre(RecordMatches("id1", "metadata1")));
-  ASSERT_EQ("global_metadata", global_metadata);
-}
-
-// Test that if global metadata is not set then ReadAllMetadata still succeeds
-// and returns entry metadata records.
-TEST_F(ModelTypeStoreImplTest, MissingGlobalMetadata) {
-  CreateStore();
-  WriteTestData();
-
-  ModelTypeStore::Result result;
-
-  std::unique_ptr<ModelTypeStore::WriteBatch> write_batch =
-      store()->CreateWriteBatch();
-  store()->DeleteGlobalMetadata(write_batch.get());
-  store()->CommitWriteBatch(std::move(write_batch),
-                            base::Bind(&CaptureResult, &result));
-  PumpLoop();
-  ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-
-  std::unique_ptr<ModelTypeStore::RecordList> records;
-  std::string global_metadata;
-  store()->ReadAllMetadata(base::Bind(&CaptureResutRecordsAndString, &result,
-                                      &records, &global_metadata));
-  PumpLoop();
-  ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-  ASSERT_THAT(*records,
-              testing::UnorderedElementsAre(RecordMatches("id1", "metadata1")));
-  ASSERT_EQ(std::string(), global_metadata);
-}
-
-// Test that when reading data records by id, if one of the ids is missing
-// operation still succeeds and missing id is returned in missing_id_list.
-TEST_F(ModelTypeStoreImplTest, ReadMissingDataRecords) {
-  CreateStore();
-  WriteTestData();
-
-  ModelTypeStore::Result result;
-
-  ModelTypeStore::IdList id_list;
-  id_list.push_back("id1");
-  id_list.push_back("id3");
-
-  std::unique_ptr<ModelTypeStore::RecordList> records;
-  std::unique_ptr<ModelTypeStore::IdList> missing_id_list;
-
-  store()->ReadData(id_list, base::Bind(&CaptureResutRecordsAndIdList, &result,
-                                        &records, &missing_id_list));
-  PumpLoop();
-  ASSERT_EQ(ModelTypeStore::Result::SUCCESS, result);
-  ASSERT_THAT(*records,
-              testing::UnorderedElementsAre(RecordMatches("id1", "data1")));
-  ASSERT_THAT(*missing_id_list, testing::UnorderedElementsAre("id3"));
-}
-
-}  // namespace syncer_v2