src/content/browser/fileapi/transient_file_util_unittest.cc

   1 // Copyright 2013 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 "base/basictypes.h"
   6 #include "base/files/file_path.h"
   7 #include "base/files/file_util.h"
   8 #include "base/files/scoped_temp_dir.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/run_loop.h"
  11 #include "content/public/test/test_file_system_context.h"
  12 #include "storage/browser/fileapi/file_system_context.h"
  13 #include "storage/browser/fileapi/file_system_operation_context.h"
  14 #include "storage/browser/fileapi/isolated_context.h"
  15 #include "storage/browser/fileapi/transient_file_util.h"
  16 #include "storage/common/blob/scoped_file.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 using storage::FileSystemURL;
  20
  21 namespace content {
  22
  23 class TransientFileUtilTest : public testing::Test {
  24  public:
  25   TransientFileUtilTest() {}
  26   ~TransientFileUtilTest() override {}
  27
  28   void SetUp() override {
  29     file_system_context_ = CreateFileSystemContextForTesting(
  30         NULL, base::FilePath(FILE_PATH_LITERAL("dummy")));
  31     transient_file_util_.reset(new storage::TransientFileUtil);
  32
  33     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
  34   }
  35
  36   void TearDown() override {
  37     file_system_context_ = NULL;
  38     base::RunLoop().RunUntilIdle();
  39   }
  40
  41   void CreateAndRegisterTemporaryFile(
  42       FileSystemURL* file_url,
  43       base::FilePath* file_path) {
  44     EXPECT_TRUE(base::CreateTemporaryFileInDir(data_dir_.path(), file_path));
  45     storage::IsolatedContext* isolated_context =
  46         storage::IsolatedContext::GetInstance();
  47     std::string name = "tmp";
  48     std::string fsid = isolated_context->RegisterFileSystemForPath(
  49         storage::kFileSystemTypeForTransientFile,
  50         std::string(),
  51         *file_path,
  52         &name);
  53     ASSERT_TRUE(!fsid.empty());
  54     base::FilePath virtual_path = isolated_context->CreateVirtualRootPath(
  55         fsid).AppendASCII(name);
  56     *file_url = file_system_context_->CreateCrackedFileSystemURL(
  57         GURL("http://foo"), storage::kFileSystemTypeIsolated, virtual_path);
  58   }
  59
  60   scoped_ptr<storage::FileSystemOperationContext> NewOperationContext() {
  61     return make_scoped_ptr(
  62         new storage::FileSystemOperationContext(file_system_context_.get()));
  63   }
  64
  65   storage::FileSystemFileUtil* file_util() {
  66     return transient_file_util_.get();
  67   }
  68
  69  private:
  70   base::MessageLoop message_loop_;
  71   base::ScopedTempDir data_dir_;
  72   scoped_refptr<storage::FileSystemContext> file_system_context_;
  73   scoped_ptr<storage::TransientFileUtil> transient_file_util_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(TransientFileUtilTest);
  76 };
  77
  78 TEST_F(TransientFileUtilTest, TransientFile) {
  79   FileSystemURL temp_url;
  80   base::FilePath temp_path;
  81
  82   CreateAndRegisterTemporaryFile(&temp_url, &temp_path);
  83
  84   base::File::Error error;
  85   base::File::Info file_info;
  86   base::FilePath path;
  87
  88   // Make sure the file is there.
  89   ASSERT_TRUE(temp_url.is_valid());
  90   ASSERT_TRUE(base::PathExists(temp_path));
  91   ASSERT_FALSE(base::DirectoryExists(temp_path));
  92
  93   // Create a snapshot file.
  94   {
  95     storage::ScopedFile scoped_file = file_util()->CreateSnapshotFile(
  96         NewOperationContext().get(), temp_url, &error, &file_info, &path);
  97     ASSERT_EQ(base::File::FILE_OK, error);
  98     ASSERT_EQ(temp_path, path);
  99     ASSERT_FALSE(file_info.is_directory);
 100
 101     // The file should be still there.
 102     ASSERT_TRUE(base::PathExists(temp_path));
 103     ASSERT_EQ(base::File::FILE_OK,
 104               file_util()->GetFileInfo(NewOperationContext().get(),
 105                                        temp_url, &file_info, &path));
 106     ASSERT_EQ(temp_path, path);
 107     ASSERT_FALSE(file_info.is_directory);
 108   }
 109
 110   // The file's now scoped out.
 111   base::RunLoop().RunUntilIdle();
 112
 113   // Now the temporary file and the transient filesystem must be gone too.
 114   ASSERT_FALSE(base::PathExists(temp_path));
 115   ASSERT_EQ(base::File::FILE_ERROR_NOT_FOUND,
 116             file_util()->GetFileInfo(NewOperationContext().get(),
 117                                      temp_url, &file_info, &path));
 118 }
 119
 120 }  // namespace content