Add NativeFileUtil unit tests

BUG=170564

Review URL: https://chromiumcodereview.appspot.com/12088083

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@180368 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 339 insertions, 3 deletions

diff --git a/webkit/fileapi/native_file_util.h b/webkit/fileapi/native_file_util.h
index 55f3297..607e750 100644
--- a/webkit/fileapi/native_file_util.h
+++ b/webkit/fileapi/native_file_util.h
@@ -27,9 +27,6 @@ namespace fileapi {
 //
 // Note that all the methods of this class are static and this does NOT
 // inherit from FileSystemFileUtil.
-//
-// TODO(dmikurube): Add unit tests for NativeFileUtil.
-// http://crbug.com/170564
 class WEBKIT_STORAGE_EXPORT_PRIVATE NativeFileUtil {
  public:
   static base::PlatformFileError CreateOrOpen(
diff --git a/webkit/fileapi/native_file_util_unittest.cc b/webkit/fileapi/native_file_util_unittest.cc
new file mode 100644
index 0000000..2121a3e
--- /dev/null
+++ b/webkit/fileapi/native_file_util_unittest.cc
@@ -0,0 +1,339 @@
+// Copyright (c) 2013 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 "base/file_path.h"
+#include "base/files/scoped_temp_dir.h"
+#include "base/platform_file.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "webkit/fileapi/native_file_util.h"
+
+namespace fileapi {
+
+class NativeFileUtilTest : public testing::Test {
+ public:
+  NativeFileUtilTest() {}
+
+  void SetUp() {
+    ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
+  }
+
+ protected:
+  FilePath Path() {
+    return data_dir_.path();
+  }
+
+  FilePath Path(const char* file_name) {
+    return data_dir_.path().AppendASCII(file_name);
+  }
+
+  bool FileExists(const FilePath& path) {
+    return file_util::PathExists(path) &&
+           !file_util::DirectoryExists(path);
+  }
+
+  int64 GetSize(const FilePath& path) {
+    base::PlatformFileInfo info;
+    file_util::GetFileInfo(path, &info);
+    return info.size;
+  }
+
+ private:
+  base::ScopedTempDir data_dir_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeFileUtilTest);
+};
+
+TEST_F(NativeFileUtilTest, CreateCloseAndDeleteFile) {
+  FilePath file_name = Path("test_file");
+  base::PlatformFile file_handle;
+  bool created = false;
+  int flags = base::PLATFORM_FILE_WRITE | base::PLATFORM_FILE_ASYNC;
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CreateOrOpen(file_name,
+                                         base::PLATFORM_FILE_CREATE | flags,
+                                         &file_handle, &created));
+  ASSERT_TRUE(created);
+
+  EXPECT_TRUE(file_util::PathExists(file_name));
+  EXPECT_TRUE(NativeFileUtil::PathExists(file_name));
+  EXPECT_EQ(0, GetSize(file_name));
+  EXPECT_NE(base::kInvalidPlatformFileValue, file_handle);
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK, NativeFileUtil::Close(file_handle));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CreateOrOpen(file_name,
+                                         base::PLATFORM_FILE_OPEN | flags,
+                                         &file_handle, &created));
+  ASSERT_FALSE(created);
+  ASSERT_EQ(base::PLATFORM_FILE_OK, NativeFileUtil::Close(file_handle));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::DeleteFile(file_name));
+  EXPECT_FALSE(file_util::PathExists(file_name));
+  EXPECT_FALSE(NativeFileUtil::PathExists(file_name));
+}
+
+TEST_F(NativeFileUtilTest, EnsureFileExists) {
+  FilePath file_name = Path("foobar");
+  bool created = false;
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(file_name, &created));
+  ASSERT_TRUE(created);
+
+  EXPECT_TRUE(FileExists(file_name));
+  EXPECT_EQ(0, GetSize(file_name));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(file_name, &created));
+  EXPECT_FALSE(created);
+}
+
+TEST_F(NativeFileUtilTest, CreateAndDeleteDirectory) {
+  FilePath dir_name = Path("test_dir");
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CreateDirectory(dir_name,
+                                            false /* exclusive */,
+                                            false /* recursive */));
+
+  EXPECT_TRUE(NativeFileUtil::DirectoryExists(dir_name));
+  EXPECT_TRUE(file_util::DirectoryExists(dir_name));
+
+  ASSERT_EQ(base::PLATFORM_FILE_ERROR_EXISTS,
+            NativeFileUtil::CreateDirectory(dir_name,
+                                            true /* exclusive */,
+                                            false /* recursive */));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::DeleteDirectory (dir_name));
+  EXPECT_FALSE(file_util::DirectoryExists(dir_name));
+  EXPECT_FALSE(NativeFileUtil::DirectoryExists(dir_name));
+}
+
+TEST_F(NativeFileUtilTest, TouchFileAndGetFileInfo) {
+  FilePath file_name = Path("test_file");
+  base::PlatformFileInfo native_info;
+  ASSERT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
+            NativeFileUtil::GetFileInfo(file_name, &native_info));
+
+  bool created = false;
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(file_name, &created));
+  ASSERT_TRUE(created);
+
+  base::PlatformFileInfo info;
+  ASSERT_TRUE(file_util::GetFileInfo(file_name, &info));
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::GetFileInfo(file_name, &native_info));
+  ASSERT_EQ(info.size, native_info.size);
+  ASSERT_EQ(info.is_directory, native_info.is_directory);
+  ASSERT_EQ(info.is_symbolic_link, native_info.is_symbolic_link);
+  ASSERT_EQ(info.last_modified, native_info.last_modified);
+  ASSERT_EQ(info.last_accessed, native_info.last_accessed);
+  ASSERT_EQ(info.creation_time, native_info.creation_time);
+
+  const base::Time new_accessed =
+      info.last_accessed + base::TimeDelta::FromHours(10);
+  const base::Time new_modified =
+      info.last_modified + base::TimeDelta::FromHours(5);
+
+  EXPECT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::Touch(file_name,
+                                  new_accessed, new_modified));
+
+  ASSERT_TRUE(file_util::GetFileInfo(file_name, &info));
+  EXPECT_EQ(new_accessed, info.last_accessed);
+  EXPECT_EQ(new_modified, info.last_modified);
+}
+
+TEST_F(NativeFileUtilTest, CreateFileEnumerator) {
+  FilePath path_1 = Path("dir1");
+  FilePath path_2 = Path("file1");
+  FilePath path_11 = Path("dir1").AppendASCII("file11");
+  FilePath path_12 = Path("dir1").AppendASCII("dir12");
+  FilePath path_121 = Path("dir1").AppendASCII("dir12").AppendASCII("file121");
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CreateDirectory(path_1, false, false));
+  bool created = false;
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(path_2, &created));
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(path_11, &created));
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CreateDirectory(path_12, false, false));
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(path_121, &created));
+
+  {
+    scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator> enumerator =
+        NativeFileUtil::CreateFileEnumerator(Path(), false);
+    std::set<FilePath> set;
+    set.insert(path_1);
+    set.insert(path_2);
+    for (FilePath path = enumerator->Next(); !path.empty();
+         path = enumerator->Next())
+      EXPECT_EQ(1U, set.erase(path));
+    EXPECT_TRUE(set.empty());
+  }
+
+  {
+    scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator> enumerator =
+        NativeFileUtil::CreateFileEnumerator(Path(), true);
+        std::set<FilePath> set;
+    set.insert(path_1);
+    set.insert(path_2);
+    set.insert(path_11);
+    set.insert(path_12);
+    set.insert(path_121);
+    for (FilePath path = enumerator->Next(); !path.empty();
+         path = enumerator->Next())
+      EXPECT_EQ(1U, set.erase(path));
+    EXPECT_TRUE(set.empty());
+  }
+}
+
+TEST_F(NativeFileUtilTest, Truncate) {
+  FilePath file_name = Path("truncated");
+  bool created = false;
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(file_name, &created));
+  ASSERT_TRUE(created);
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::Truncate(file_name, 1020));
+
+  EXPECT_TRUE(FileExists(file_name));
+  EXPECT_EQ(1020, GetSize(file_name));
+}
+
+TEST_F(NativeFileUtilTest, CopyFile) {
+  FilePath from_file = Path("fromfile");
+  FilePath to_file1 = Path("tofile1");
+  FilePath to_file2 = Path("tofile2");
+  bool created = false;
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(from_file, &created));
+  ASSERT_TRUE(created);
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::Truncate(from_file, 1020));
+
+  EXPECT_TRUE(FileExists(from_file));
+  EXPECT_EQ(1020, GetSize(from_file));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CopyOrMoveFile(from_file, to_file1, true));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CopyOrMoveFile(from_file, to_file2, true));
+
+  EXPECT_TRUE(FileExists(from_file));
+  EXPECT_EQ(1020, GetSize(from_file));
+  EXPECT_TRUE(FileExists(to_file1));
+  EXPECT_EQ(1020, GetSize(to_file1));
+  EXPECT_TRUE(FileExists(to_file2));
+  EXPECT_EQ(1020, GetSize(to_file2));
+
+  FilePath dir = Path("dir");
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CreateDirectory(dir, false, false));
+  ASSERT_TRUE(file_util::DirectoryExists(dir));
+  FilePath to_dir_file = dir.AppendASCII("file");
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CopyOrMoveFile(from_file, to_dir_file, true));
+  EXPECT_TRUE(FileExists(to_dir_file));
+  EXPECT_EQ(1020, GetSize(to_dir_file));
+
+  // Following tests are error checking.
+  // Source doesn't exist.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
+            NativeFileUtil::CopyOrMoveFile(Path("nonexists"), Path("file"),
+                                           true));
+
+  // Source is not a file.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_A_FILE,
+            NativeFileUtil::CopyOrMoveFile(dir, Path("file"), true));
+  // Destination is not a file.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_INVALID_OPERATION,
+            NativeFileUtil::CopyOrMoveFile(from_file, dir, true));
+  // Destination's parent doesn't exist.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
+            NativeFileUtil::CopyOrMoveFile(from_file,
+                                           Path("nodir").AppendASCII("file"),
+                                           true));
+  // Destination's parent is a file.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
+            NativeFileUtil::CopyOrMoveFile(from_file,
+                                           Path("tofile1").AppendASCII("file"),
+                                           true));
+}
+
+TEST_F(NativeFileUtilTest, MoveFile) {
+  FilePath from_file = Path("fromfile");
+  FilePath to_file = Path("tofile");
+  bool created = false;
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(from_file, &created));
+  ASSERT_TRUE(created);
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK, NativeFileUtil::Truncate(from_file, 1020));
+
+  EXPECT_TRUE(FileExists(from_file));
+  EXPECT_EQ(1020, GetSize(from_file));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CopyOrMoveFile(from_file, to_file, false));
+
+  EXPECT_FALSE(FileExists(from_file));
+  EXPECT_TRUE(FileExists(to_file));
+  EXPECT_EQ(1020, GetSize(to_file));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(from_file, &created));
+  ASSERT_TRUE(FileExists(from_file));
+  ASSERT_EQ(base::PLATFORM_FILE_OK, NativeFileUtil::Truncate(from_file, 1020));
+
+  FilePath dir = Path("dir");
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CreateDirectory(dir, false, false));
+  ASSERT_TRUE(file_util::DirectoryExists(dir));
+  FilePath to_dir_file = dir.AppendASCII("file");
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::CopyOrMoveFile(from_file, to_dir_file, false));
+  EXPECT_FALSE(FileExists(from_file));
+  EXPECT_TRUE(FileExists(to_dir_file));
+  EXPECT_EQ(1020, GetSize(to_dir_file));
+
+  // Following is error checking.
+  // Source doesn't exist.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
+            NativeFileUtil::CopyOrMoveFile(Path("nonexists"), Path("file"),
+                                           false));
+
+  // Source is not a file.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_A_FILE,
+            NativeFileUtil::CopyOrMoveFile(dir, Path("file"), false));
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(from_file, &created));
+  ASSERT_TRUE(FileExists(from_file));
+  // Destination is not a file.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_INVALID_OPERATION,
+            NativeFileUtil::CopyOrMoveFile(from_file, dir, false));
+
+  ASSERT_EQ(base::PLATFORM_FILE_OK,
+            NativeFileUtil::EnsureFileExists(from_file, &created));
+  ASSERT_TRUE(FileExists(from_file));
+  // Destination's parent doesn't exist.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
+            NativeFileUtil::CopyOrMoveFile(from_file,
+                                           Path("nodir").AppendASCII("file"),
+                                           false));
+  // Destination's parent is a file.
+  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
+            NativeFileUtil::CopyOrMoveFile(from_file,
+                                           Path("tofile1").AppendASCII("file"),
+                                           false));
+}
+
+}  // namespace fileapi