src/chrome/browser/chromeos/drive/remove_stale_cache_files_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <string>
   6
   7 #include "base/files/file_path.h"
   8 #include "base/files/file_util.h"
   9 #include "base/files/scoped_temp_dir.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/browser/chromeos/drive/drive.pb.h"
  12 #include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h"
  13 #include "chrome/browser/chromeos/drive/file_system_util.h"
  14 #include "chrome/browser/chromeos/drive/remove_stale_cache_files.h"
  15 #include "chrome/browser/chromeos/drive/resource_metadata.h"
  16 #include "chrome/browser/chromeos/drive/test_util.h"
  17 #include "content/public/test/test_browser_thread_bundle.h"
  18 #include "google_apis/drive/test_util.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20
  21 namespace drive {
  22 namespace internal {
  23
  24 class RemoveStaleCacheFilesTest : public testing::Test {
  25  protected:
  26   virtual void SetUp() OVERRIDE {
  27     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  28
  29     fake_free_disk_space_getter_.reset(new FakeFreeDiskSpaceGetter);
  30
  31     metadata_storage_.reset(new ResourceMetadataStorage(
  32         temp_dir_.path(), base::MessageLoopProxy::current().get()));
  33
  34     cache_.reset(new FileCache(metadata_storage_.get(),
  35                                temp_dir_.path(),
  36                                base::MessageLoopProxy::current().get(),
  37                                fake_free_disk_space_getter_.get()));
  38
  39     resource_metadata_.reset(new ResourceMetadata(
  40         metadata_storage_.get(), cache_.get(),
  41         base::MessageLoopProxy::current()));
  42
  43     ASSERT_TRUE(metadata_storage_->Initialize());
  44     ASSERT_TRUE(cache_->Initialize());
  45     ASSERT_EQ(FILE_ERROR_OK, resource_metadata_->Initialize());
  46   }
  47
  48   content::TestBrowserThreadBundle thread_bundle_;
  49   base::ScopedTempDir temp_dir_;
  50
  51   scoped_ptr<ResourceMetadataStorage,
  52              test_util::DestroyHelperForTests> metadata_storage_;
  53   scoped_ptr<FileCache, test_util::DestroyHelperForTests> cache_;
  54   scoped_ptr<ResourceMetadata, test_util::DestroyHelperForTests>
  55       resource_metadata_;
  56   scoped_ptr<FakeFreeDiskSpaceGetter> fake_free_disk_space_getter_;
  57 };
  58
  59 TEST_F(RemoveStaleCacheFilesTest, RemoveStaleCacheFiles) {
  60   base::FilePath dummy_file;
  61   ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_file));
  62   std::string md5_metadata("abcdef0123456789"), md5_cache("ABCDEF9876543210");
  63
  64   // Create a stale cache file.
  65   ResourceEntry entry;
  66   std::string local_id;
  67   entry.mutable_file_specific_info()->set_md5(md5_metadata);
  68   entry.set_parent_local_id(util::kDriveGrandRootLocalId);
  69   entry.set_title("File.txt");
  70   EXPECT_EQ(FILE_ERROR_OK, resource_metadata_->AddEntry(entry, &local_id));
  71
  72   EXPECT_EQ(FILE_ERROR_OK,
  73             cache_->Store(local_id, md5_cache, dummy_file,
  74                           FileCache::FILE_OPERATION_COPY));
  75
  76   // Remove stale cache files.
  77   RemoveStaleCacheFiles(cache_.get(), resource_metadata_.get());
  78
  79   // Verify that the cache is deleted.
  80   EXPECT_EQ(FILE_ERROR_OK,
  81             resource_metadata_->GetResourceEntryById(local_id, &entry));
  82   EXPECT_FALSE(entry.file_specific_info().cache_state().is_present());
  83 }
  84
  85 TEST_F(RemoveStaleCacheFilesTest, DirtyCacheFiles) {
  86   base::FilePath dummy_file;
  87   ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_file));
  88
  89   // Dirty entry.
  90   std::string md5_metadata("abcdef0123456789");
  91
  92   ResourceEntry entry;
  93   std::string local_id;
  94   entry.mutable_file_specific_info()->set_md5(md5_metadata);
  95   entry.set_parent_local_id(util::kDriveGrandRootLocalId);
  96   entry.set_title("file.txt");
  97   EXPECT_EQ(FILE_ERROR_OK, resource_metadata_->AddEntry(entry, &local_id));
  98
  99   EXPECT_EQ(FILE_ERROR_OK,
 100             cache_->Store(local_id, std::string(), dummy_file,
 101                           FileCache::FILE_OPERATION_COPY));
 102
 103   // Remove stale cache files.
 104   RemoveStaleCacheFiles(cache_.get(), resource_metadata_.get());
 105
 106   // Dirty cache should not be removed even though its MD5 doesn't match.
 107   EXPECT_EQ(FILE_ERROR_OK,
 108             resource_metadata_->GetResourceEntryById(local_id, &entry));
 109   EXPECT_TRUE(entry.file_specific_info().cache_state().is_present());
 110 }
 111
 112 }  // namespace internal
 113 }  // namespace drive