IndexedDB: Using a mock IndexedDBFactory for unit tests

content/browser/indexed_db/indexed_db_transaction_unittest.cc

 // 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.
 
 #include "content/browser/indexed_db/indexed_db_transaction.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
+#include "content/browser/indexed_db/indexed_db_factory.h"
 #include "content/browser/indexed_db/indexed_db_fake_backing_store.h"
 #include "content/browser/indexed_db/mock_indexed_db_database_callbacks.h"
+#include "content/browser/indexed_db/mock_indexed_db_factory.h"
+#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 class AbortObserver {
  public:
   AbortObserver() : abort_task_called_(false) {}
 
   void AbortTask(IndexedDBTransaction* transaction) {
     abort_task_called_ = true;
   }
 
   bool abort_task_called() const { return abort_task_called_; }
 
  private:
   bool abort_task_called_;
   DISALLOW_COPY_AND_ASSIGN(AbortObserver);
 };
 
 class IndexedDBTransactionTest : public testing::Test {
  public:
-  IndexedDBTransactionTest() {
+  IndexedDBTransactionTest() : factory_(new MockIndexedDBFactory()) {
     backing_store_ = new IndexedDBFakeBackingStore();
     CreateDB();
   }
 
   void CreateDB() {
     // DB is created here instead of the constructor to workaround a
     // "peculiarity of C++". More info at
     // https://code.google.com/p/googletest/wiki/FAQ#My_compiler_complains_that_a_constructor_(or_destructor)_cannot
-    IndexedDBFactory* factory = NULL;
     leveldb::Status s;
     db_ = IndexedDBDatabase::Create(base::ASCIIToUTF16("db"),
                                     backing_store_,
-                                    factory,
+                                    factory_,
                                     IndexedDBDatabase::Identifier(),
                                     &s);
     ASSERT_TRUE(s.ok());
   }
 
   void RunPostedTasks() { message_loop_.RunUntilIdle(); }
   void DummyOperation(IndexedDBTransaction* transaction) {}
   void AbortableOperation(AbortObserver* observer,
                           IndexedDBTransaction* transaction) {
     transaction->ScheduleAbortTask(
         base::Bind(&AbortObserver::AbortTask, base::Unretained(observer)));
   }
 
  protected:
   scoped_refptr<IndexedDBFakeBackingStore> backing_store_;
   scoped_refptr<IndexedDBDatabase> db_;
 
  private:
   base::MessageLoop message_loop_;
+  scoped_refptr<MockIndexedDBFactory> factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBTransactionTest);
 };
 
 class IndexedDBTransactionTestMode : public IndexedDBTransactionTest,
   public testing::WithParamInterface<indexed_db::TransactionMode> {
  public:
   IndexedDBTransactionTestMode() {}
  private:
   DISALLOW_COPY_AND_ASSIGN(IndexedDBTransactionTestMode);
@@ skipping 283 matching lines @@
   indexed_db::TRANSACTION_READ_ONLY,
   indexed_db::TRANSACTION_READ_WRITE,
   indexed_db::TRANSACTION_VERSION_CHANGE
 };
 
 INSTANTIATE_TEST_CASE_P(IndexedDBTransactions,
                         IndexedDBTransactionTestMode,
                         ::testing::ValuesIn(kTestModes));
 
 }  // namespace content