[BlobAsync] Disk support for blob storage

content/browser/blob_storage/blob_memory_controller_unittest.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.

[Marijn Kruisselbrink, 2016/07/12 21:33:06]

Wrong year in copyright.
And why is this file in //content/browser/blob_storage rather than in //storage?

[dmurph, 2016/07/14 01:04:30]

Done. There isn't a test target for storage, so we put everything in content/
:((((

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "storage/browser/blob/blob_memory_controller.h"
+
+#include "base/bind.h"
+#include "base/files/file_util.h"
+#include "base/message_loop/message_loop.h"
+#include "base/test/sequenced_worker_pool_owner.h"
+#include "base/test/test_simple_task_runner.h"
+#include "base/test/test_simple_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace storage {
+namespace {
+
+using FileCreationInfo = BlobMemoryController::FileCreationInfo;
+using base::TestSimpleTaskRunner;
+
+const std::string kBlobStorageDirectory = "blob_storage";
+// const size_t kTestBlobStorageMaxBlobMemorySize = 400;
+// const size_t kTestBlobStorageMaxMemoryUsage = 500;
+// const uint64_t kTestBlobStorageMaxDiskSpace = 1000;
+// const size_t kTestBlobStorageInFlightMemory = 10;
+// const uint64_t kTestBlobStorageMinFileSizeBytes = 10;
+
+// void SetFileCreationInfo(BlobMemoryController::FileCreationInfo* output,
+//                         const BlobMemoryController::FileCreationInfo& in) {
+//  *output = in;
+//}
+//
+// void SetPointer(bool* out, bool success) {
+//  *out = success;
+//}
+
+class BlobMemoryControllerTest : public testing::Test {
+ protected:
+  BlobMemoryControllerTest() : file_pool_(2, "test-file-pool") {}
+
+  void SetUp() override {
+    ASSERT_EQ(true, base::CreateNewTempDirectory("blob_storage", &temp_dir_));
+  };
+
+  void TearDown() override {
+    files_created_.clear();
+    ASSERT_EQ(true, base::DeleteFile(temp_dir_, true));
+  }
+
+  void SetTestMemoryLimits(BlobMemoryController* controller) {
+    //    controller->SetMemoryLimits(
+    //        kTestBlobStorageMaxBlobMemorySize, kTestBlobStorageMaxMemoryUsage,
+    //        kTestBlobStorageMaxDiskSpace, kTestBlobStorageInFlightMemory,
+    //        kTestBlobStorageMinFileSizeBytes);
+  }
+
+  void SaveFileCreationInfo(FileCreationInfo info) {
+    files_created_.push_back(std::move(info));
+  }
+
+  base::Callback<void(FileCreationInfo info)> GetFileCreationCallback() {
+    return base::Bind(&BlobMemoryControllerTest::SaveFileCreationInfo,
+                      base::Unretained(this));
+  }
+
+  base::MessageLoop
+      message_loop_;  // Needed by SequencedWorkerPool to function.
+  base::FilePath temp_dir_;
+  std::vector<FileCreationInfo> files_created_;
+
+  base::SequencedWorkerPoolOwner file_pool_;
+};
+
+// TEST_F(BlobMemoryControllerTest, TestBasicTempFiles) {
+//  BlobMemoryController controller;
+//  SetTestMemoryLimits(&controller);
+//
+//  // Check we can't create files.
+//  controller.CreateTemporaryFileForRenderer(10ull, GetFileCreationCallback());
+//
+//  // Check that we can
+//  controller.EnableDisk(temp_dir_, file_pool_.pool());
+//  controller.CreateTemporaryFileForRenderer(10, GetFileCreationCallback());
+//  EXPECT_EQ(1, file_pool_.has_work_call_count());
+//  base::RunLoop().RunUntilIdle();
+//  base::RunLoop().RunUntilIdle();
+//
+//  LOG(ERROR) << files_created_[1].error;
+//}
+
+}  // namespace
+}  // namespace storage