Code to migrate a single directory from the old sandbox to the new.

webkit/fileapi/obfuscated_file_system_file_util_unittest.cc

 // Copyright (c) 2011 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 <set>
 #include <string>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 48 matching lines @@
   {true, "dir0/file0", "dir1/file0", false},
   {false, "dir0/file0", "dir1/file0", false},
   {true, "dir0/file0", "dir1/file0", true},
   {false, "dir0/file0", "dir1/file0", true},
   {true, "dir0/file0", "dir1/file1", false},
   {false, "dir0/file0", "dir1/file1", false},
   {true, "dir0/file0", "dir1/file1", true},
   {false, "dir0/file0", "dir1/file1", true},
 };
 
+struct MigrationTestCaseRecord {
+  bool is_directory;
+  const FilePath::CharType path[64];
+  int64 data_file_size;
+};
+
+const MigrationTestCaseRecord kMigrationTestCases[] = {
+  {true, "dir a", 0},
+  {true, "dir a/dir a", 0},
+  {true, "dir a/dir d", 0},
+  {true, "dir a/dir d/dir e", 0},
+  {true, "dir a/dir d/dir e/dir f", 0},
+  {true, "dir a/dir d/dir e/dir g", 0},
+  {true, "dir a/dir d/dir e/dir h", 0},
+  {true, "dir b", 0},
+  {true, "dir b/dir a", 0},
+  {true, "dir c", 0},
+  {false, "file 0", 38},
+  {false, "file 2", 60},
+  {false, "file 3", 0},
+  {false, "dir a/file 0", 39},
+  {false, "dir a/dir d/dir e/dir g/file 0", 40},
+  {false, "dir a/dir d/dir e/dir g/file 1", 41},
+  {false, "dir a/dir d/dir e/dir g/file 2", 42},
+  {false, "dir a/dir d/dir e/dir g/file 3", 50},
+};
+
 }  // namespace (anonymous)
 
 // TODO(ericu): The vast majority of this and the other FSFU subclass tests
 // could theoretically be shared.  It would basically be a FSFU interface
 // compliance test, and only the subclass-specific bits that look into the
 // implementation would need to be written per-subclass.
 class ObfuscatedFileSystemFileUtilTest : public testing::Test {
  public:
   ObfuscatedFileSystemFileUtilTest() {
   }
@@ skipping 14 matching lines @@
     context->set_dest_type(kFileSystemTypeTemporary);
     context->set_allowed_bytes_growth(1024 * 1024);
 
     return context;
   }
 
   ObfuscatedFileSystemFileUtil* ofsfu() {
     return obfuscated_file_system_file_util_.get();
   }
 
+  const FilePath& test_directory() const {
+    return data_dir_.path();
+  }
+
   int64 GetSize(const FilePath& path) {
     int64 size;
     EXPECT_TRUE(file_util::GetFileSize(path, &size));
     return size;
   }
 
   void CheckFileAndCloseHandle(
       const FilePath& virtual_path, PlatformFile file_handle) {
     scoped_ptr<FileSystemOperationContext> context(NewContext());
     FilePath local_path;
@@ skipping 633 matching lines @@
   EXPECT_TRUE(ofsfu()->DirectoryExists(context.get(), src_path));
   context.reset(NewContext());
   EXPECT_TRUE(ofsfu()->DirectoryExists(context.get(), dest_path));
   context.reset(NewContext());
   recursive = true;
   ASSERT_EQ(base::PLATFORM_FILE_OK,
       ofsfu()->Delete(context.get(), dest_path, recursive));
   context.reset(NewContext());
   EXPECT_FALSE(ofsfu()->DirectoryExists(context.get(), dest_path));
 }
+
+TEST_F(ObfuscatedFileSystemFileUtilTest, TestMigration) {
+  ScopedTempDir source_dir;
+  ASSERT_TRUE(source_dir.CreateUniqueTempDir());
+  FilePath root_path = source_dir.path().AppendASCII("chrome-pLmnMWXE7NzTFRsn");
+  ASSERT_TRUE(file_util::CreateDirectory(root_path));
+
+  for (size_t i = 0; i < arraysize(kMigrationTestCases); ++i) {
+    SCOPED_TRACE(testing::Message() << "Creating kMigrationTestPath " << i);
+    const MigrationTestCaseRecord& test_case = kMigrationTestCases[i];
+    FilePath local_src_path = root_path.Append(test_case.path);
+    if (test_case.is_directory) {
+      ASSERT_TRUE(
+          file_util::CreateDirectory(local_src_path));
+    } else {
+      base::PlatformFileError error_code;
+      bool created = false;
+      int file_flags = base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE;
+      base::PlatformFile file_handle =
+          base::CreatePlatformFile(
+              local_src_path, file_flags, &created, &error_code);
+      EXPECT_TRUE(created);
+      ASSERT_EQ(base::PLATFORM_FILE_OK, error_code);
+      ASSERT_TRUE(
+          base::TruncatePlatformFile(file_handle, test_case.data_file_size));
+      EXPECT_TRUE(base::ClosePlatformFile(file_handle));
+    }
+  }
+
+  const GURL origin_url("http://example.com");
+  FileSystemType type = kFileSystemTypeTemporary;
+  EXPECT_TRUE(ofsfu()->MigrateFromOldSandbox(origin_url, type, root_path));
+
+  FilePath new_root =
+    test_directory().AppendASCII("000").Append(
+        ofsfu()->GetDirectoryNameForType(type)).AppendASCII("Legacy");
+  for (size_t i = 0; i < arraysize(kMigrationTestCases); ++i) {
+    SCOPED_TRACE(testing::Message() << "Validating kMigrationTestPath " << i);
+    const MigrationTestCaseRecord& test_case = kMigrationTestCases[i];
+    FilePath local_data_path = new_root.Append(test_case.path);
+    scoped_ptr<FileSystemOperationContext> context(NewContext());
+    base::PlatformFileInfo ofsfu_file_info;
+    FilePath data_path;
+    SCOPED_TRACE(testing::Message() << "Path is " << test_case.path);
+    EXPECT_EQ(base::PLATFORM_FILE_OK,
+        ofsfu()->GetFileInfo(context.get(), FilePath(test_case.path),
+            &ofsfu_file_info, &data_path));
+    if (test_case.is_directory) {
+      EXPECT_TRUE(ofsfu_file_info.is_directory);
+    } else {
+      base::PlatformFileInfo platform_file_info;
+      SCOPED_TRACE(testing::Message() << "local_data_path is " <<
+          local_data_path.value());
+      ASSERT_TRUE(file_util::GetFileInfo(local_data_path, &platform_file_info));
+      EXPECT_EQ(test_case.data_file_size, platform_file_info.size);
+      EXPECT_FALSE(platform_file_info.is_directory);
+      scoped_ptr<FileSystemOperationContext> context(NewContext());
+      EXPECT_EQ(local_data_path, data_path);
+      EXPECT_EQ(platform_file_info.size, ofsfu_file_info.size);
+      EXPECT_FALSE(ofsfu_file_info.is_directory);
+    }
+  }
+}
+
+//bool ObfuscatedFileSystemFileUtil::MigrateFromOldSandbox(
+//    const GURL& origin_url, FileSystemType type, const FilePath& src_root) {