[Offline pages] OPMStoreSQL: Upgrade to M55, Upgrade refactoring, conversion refactoring

components/offline_pages/offline_page_metadata_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 "components/offline_pages/offline_page_metadata_store.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 110 matching lines @@
   statement.BindCString(6, kTestClientNamespace);
   statement.BindString(7, kTestClientId2.id);
   statement.BindCString(8, kTestURL);
   statement.BindString(9, base::FilePath(kFilePath).MaybeAsASCII());
   statement.BindInt64(10, base::Time::Now().ToInternalValue());
   ASSERT_TRUE(statement.Run());
   ASSERT_TRUE(connection.DoesTableExist(OFFLINE_PAGES_TABLE_V1));
   ASSERT_FALSE(connection.DoesColumnExist(OFFLINE_PAGES_TABLE_V1, "title"));
 }
 
+void BuildTestStoreWithSchemaFromM54(const base::FilePath& file) {
+  sql::Connection connection;
+  ASSERT_TRUE(
+      connection.Open(file.Append(FILE_PATH_LITERAL("OfflinePages.db"))));
+  ASSERT_TRUE(connection.is_open());
+  ASSERT_TRUE(connection.BeginTransaction());
+  ASSERT_TRUE(connection.Execute("CREATE TABLE " OFFLINE_PAGES_TABLE_V1
+                                 "(offline_id INTEGER PRIMARY KEY NOT NULL, "
+                                 "creation_time INTEGER NOT NULL, "
+                                 "file_size INTEGER NOT NULL, "
+                                 "version INTEGER NOT NULL, "
+                                 "last_access_time INTEGER NOT NULL, "
+                                 "access_count INTEGER NOT NULL, "
+                                 "status INTEGER NOT NULL DEFAULT 0, "
+                                 "user_initiated INTEGER, "
+                                 "expiration_time INTEGER NOT NULL DEFAULT 0, "
+                                 "client_namespace VARCHAR NOT NULL, "
+                                 "client_id VARCHAR NOT NULL, "
+                                 "online_url VARCHAR NOT NULL, "
+                                 "offline_url VARCHAR NOT NULL DEFAULT '', "
+                                 "file_path VARCHAR NOT NULL "
+                                 "title VARCHAR NOT NULL DEFAULT ''"
+                                 ")"));
+  ASSERT_TRUE(connection.CommitTransaction());
+  sql::Statement statement(connection.GetUniqueStatement(
+      "INSERT INTO " OFFLINE_PAGES_TABLE_V1
+      "(offline_id, creation_time, file_size, version, "
+      "last_access_time, access_count, client_namespace, "
+      "client_id, online_url, file_path, expiration_time, title) "
+      "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"));
+  statement.BindInt64(0, kOfflineId);
+  statement.BindInt(1, 0);
+  statement.BindInt64(2, kFileSize);
+  statement.BindInt(3, 0);
+  statement.BindInt(4, 0);
+  statement.BindInt(5, 1);
+  statement.BindCString(6, kTestClientNamespace);
+  statement.BindString(7, kTestClientId2.id);
+  statement.BindCString(8, kTestURL);
+  statement.BindString(9, base::FilePath(kFilePath).MaybeAsASCII());
+  statement.BindInt64(10, base::Time::Now().ToInternalValue());
+  statement.BindString16(11, base::UTF8ToUTF16("Test title"));
+  ASSERT_TRUE(statement.Run());
+  ASSERT_TRUE(connection.DoesTableExist(OFFLINE_PAGES_TABLE_V1));
+  ASSERT_TRUE(connection.DoesColumnExist(OFFLINE_PAGES_TABLE_V1, "status"));
+  ASSERT_TRUE(
+      connection.DoesColumnExist(OFFLINE_PAGES_TABLE_V1, "user_initiated"));
+  ASSERT_TRUE(
+      connection.DoesColumnExist(OFFLINE_PAGES_TABLE_V1, "offline_url"));
+}
+
 class OfflinePageMetadataStoreFactory {
  public:
   OfflinePageMetadataStore* BuildStore(const base::FilePath& file_path) {
     OfflinePageMetadataStoreSQL* store = new OfflinePageMetadataStoreSQL(
         base::ThreadTaskRunnerHandle::Get(), file_path);
     return store;
   }
 
   OfflinePageMetadataStore* BuildStoreM52(const base::FilePath& file_path) {
     BuildTestStoreWithSchemaFromM52(file_path);
     OfflinePageMetadataStoreSQL* store = new OfflinePageMetadataStoreSQL(
         base::ThreadTaskRunnerHandle::Get(), file_path);
     return store;
   }
 
   OfflinePageMetadataStore* BuildStoreM53(const base::FilePath& file_path) {
     BuildTestStoreWithSchemaFromM53(file_path);
     OfflinePageMetadataStoreSQL* store = new OfflinePageMetadataStoreSQL(
         base::ThreadTaskRunnerHandle::Get(), file_path);
     return store;
   }
+
+  OfflinePageMetadataStore* BuildStoreM54(const base::FilePath& file_path) {
+    BuildTestStoreWithSchemaFromM54(file_path);
+    OfflinePageMetadataStoreSQL* store = new OfflinePageMetadataStoreSQL(
+        base::ThreadTaskRunnerHandle::Get(), file_path);
+    return store;
+  }
 };
 
 enum CalledCallback { NONE, LOAD, ADD, REMOVE, RESET };
 enum Status { STATUS_NONE, STATUS_TRUE, STATUS_FALSE };
 
 class OfflinePageMetadataStoreTest : public testing::Test {
  public:
   OfflinePageMetadataStoreTest();
   ~OfflinePageMetadataStoreTest() override;
 
   void TearDown() override {
     // Wait for all the pieces of the store to delete itself properly.
     PumpLoop();
   }
 
   std::unique_ptr<OfflinePageMetadataStore> BuildStore();
   std::unique_ptr<OfflinePageMetadataStore> BuildStoreWithSchemaFromM52();
   std::unique_ptr<OfflinePageMetadataStore> BuildStoreWithSchemaFromM53();
+  std::unique_ptr<OfflinePageMetadataStore> BuildStoreWithSchemaFromM54();
 
   void PumpLoop();
 
   void GetOfflinePagesCallback(
       OfflinePageMetadataStore::LoadStatus load_status,
       const std::vector<OfflinePageItem>& offline_pages);
   void UpdateCallback(CalledCallback called_callback, bool success);
 
   void ClearResults();
 
@@ skipping 123 matching lines @@
 OfflinePageMetadataStoreTest::BuildStoreWithSchemaFromM53() {
   std::unique_ptr<OfflinePageMetadataStore> store(
       factory_.BuildStoreM53(temp_directory_.path()));
   store->GetOfflinePages(
       base::Bind(&OfflinePageMetadataStoreTest::GetOfflinePagesCallback,
                  base::Unretained(this)));
   PumpLoop();
   return store;
 }
 
+std::unique_ptr<OfflinePageMetadataStore>
+OfflinePageMetadataStoreTest::BuildStoreWithSchemaFromM54() {
+  std::unique_ptr<OfflinePageMetadataStore> store(
+      factory_.BuildStoreM53(temp_directory_.path()));
+  store->GetOfflinePages(
+      base::Bind(&OfflinePageMetadataStoreTest::GetOfflinePagesCallback,
+                 base::Unretained(this)));
+  PumpLoop();
+  return store;
+}
+
 // Loads empty store and makes sure that there are no offline pages stored in
 // it.
 TEST_F(OfflinePageMetadataStoreTest, LoadEmptyStore) {
   std::unique_ptr<OfflinePageMetadataStore> store(BuildStore());
   EXPECT_EQ(LOAD, last_called_callback_);
   EXPECT_EQ(STATUS_TRUE, last_status_);
   EXPECT_EQ(0U, offline_pages_.size());
 }
 
 // Loads a store which has an outdated schema.
@@ skipping 17 matching lines @@
       BuildStoreWithSchemaFromM53());
 
   OfflinePageItem item = CheckThatStoreHasOneItem();
   // We should have a valid expiration time after upgrade.
   EXPECT_NE(base::Time::FromInternalValue(0),
             offline_pages_[0].expiration_time);
 
   CheckThatOfflinePageCanBeSaved(std::move(store));
 }
 
+// Loads a string with schema from M54.
+// Because for now we only reduce the number of fields it just makes sure there
+// are no crashes in the process.
+// TODO(romax): Move this to sql_unittest.
+TEST_F(OfflinePageMetadataStoreTest, LoadVersion54Store) {
+  std::unique_ptr<OfflinePageMetadataStore> store(
+      BuildStoreWithSchemaFromM54());
+
+  OfflinePageItem item = CheckThatStoreHasOneItem();
+
+  CheckThatOfflinePageCanBeSaved(std::move(store));
+}
+
 // Adds metadata of an offline page into a store and then opens the store
 // again to make sure that stored metadata survives store restarts.
 TEST_F(OfflinePageMetadataStoreTest, AddOfflinePage) {
   CheckThatOfflinePageCanBeSaved(BuildStore());
 }
 
 // Tests removing offline page metadata from the store, for which it first adds
 // metadata of an offline page.
 TEST_F(OfflinePageMetadataStoreTest, RemoveOfflinePage) {
   std::unique_ptr<OfflinePageMetadataStore> store(BuildStore());
@@ skipping 241 matching lines @@
                  base::Unretained(this)));
   PumpLoop();
 
   EXPECT_EQ(LOAD, last_called_callback_);
   EXPECT_EQ(STATUS_TRUE, last_status_);
   ASSERT_EQ(0U, offline_pages_.size());
 }
 
 }  // namespace
 }  // namespace offline_pages