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/file_util.h"
   7 #include "base/files/file_path.h"
   8 #include "base/files/scoped_temp_dir.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/platform_file.h"
  11 #include "base/run_loop.h"
  12 #include "content/public/test/test_file_system_context.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "webkit/browser/fileapi/file_system_context.h"
  15 #include "webkit/browser/fileapi/file_system_operation_context.h"
  16 #include "webkit/browser/fileapi/isolated_context.h"
  17 #include "webkit/browser/fileapi/transient_file_util.h"
  18 #include "webkit/common/blob/scoped_file.h"
  19
  20 namespace fileapi {
  21
  22 class TransientFileUtilTest : public testing::Test {
  23  public:
  24   TransientFileUtilTest() {}
  25   virtual ~TransientFileUtilTest() {}
  26
  27   virtual void SetUp() OVERRIDE {
  28     file_system_context_ = CreateFileSystemContextForTesting(
  29         NULL, base::FilePath(FILE_PATH_LITERAL("dummy")));
  30     transient_file_util_.reset(new TransientFileUtil);
  31
  32     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
  33   }
  34
  35   virtual void TearDown() OVERRIDE {
  36     file_system_context_ = NULL;
  37     base::RunLoop().RunUntilIdle();
  38   }
  39
  40   void CreateAndRegisterTemporaryFile(
  41       FileSystemURL* file_url,
  42       base::FilePath* file_path) {
  43     EXPECT_TRUE(
  44         file_util::CreateTemporaryFileInDir(data_dir_.path(), file_path));
  45     IsolatedContext* isolated_context = IsolatedContext::GetInstance();
  46     std::string name = "tmp";
  47     std::string fsid = isolated_context->RegisterFileSystemForPath(
  48         kFileSystemTypeForTransientFile,
  49         *file_path,
  50         &name);
  51     ASSERT_TRUE(!fsid.empty());
  52     base::FilePath virtual_path = isolated_context->CreateVirtualRootPath(
  53         fsid).AppendASCII(name);
  54     *file_url = file_system_context_->CreateCrackedFileSystemURL(
  55         GURL("http://foo"),
  56         kFileSystemTypeIsolated,
  57         virtual_path);
  58   }
  59
  60   scoped_ptr<FileSystemOperationContext> NewOperationContext() {
  61     return make_scoped_ptr(
  62         new FileSystemOperationContext(file_system_context_.get()));
  63   }
  64
  65   FileSystemFileUtil* file_util() { return transient_file_util_.get(); }
  66
  67  private:
  68   base::MessageLoop message_loop_;
  69   base::ScopedTempDir data_dir_;
  70   scoped_refptr<FileSystemContext> file_system_context_;
  71   scoped_ptr<TransientFileUtil> transient_file_util_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(TransientFileUtilTest);
  74 };
  75
  76 TEST_F(TransientFileUtilTest, TransientFile) {
  77   FileSystemURL temp_url;
  78   base::FilePath temp_path;
  79
  80   CreateAndRegisterTemporaryFile(&temp_url, &temp_path);
  81
  82   base::PlatformFileError error;
  83   base::PlatformFileInfo file_info;
  84   base::FilePath path;
  85
  86   // Make sure the file is there.
  87   ASSERT_TRUE(temp_url.is_valid());
  88   ASSERT_TRUE(base::PathExists(temp_path));
  89   ASSERT_FALSE(base::DirectoryExists(temp_path));
  90
  91   // Create a snapshot file.
  92   {
  93     webkit_blob::ScopedFile scoped_file =
  94         file_util()->CreateSnapshotFile(NewOperationContext().get(),
  95                                         temp_url,
  96                                         &error,
  97                                         &file_info,
  98                                         &path);
  99     ASSERT_EQ(base::PLATFORM_FILE_OK, error);
 100     ASSERT_EQ(temp_path, path);
 101     ASSERT_FALSE(file_info.is_directory);
 102
 103     // The file should be still there.
 104     ASSERT_TRUE(base::PathExists(temp_path));
 105     ASSERT_EQ(base::PLATFORM_FILE_OK,
 106               file_util()->GetFileInfo(NewOperationContext().get(),
 107                                        temp_url, &file_info, &path));
 108     ASSERT_EQ(temp_path, path);
 109     ASSERT_FALSE(file_info.is_directory);
 110   }
 111
 112   // The file's now scoped out.
 113   base::RunLoop().RunUntilIdle();
 114
 115   // Now the temporary file and the transient filesystem must be gone too.
 116   ASSERT_FALSE(base::PathExists(temp_path));
 117   ASSERT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
 118             file_util()->GetFileInfo(NewOperationContext().get(),
 119                                      temp_url, &file_info, &path));
 120 }
 121
 122 }  // namespace fileapi