[Downloads] Consolidate MOTW annotation APIs into a single API.

content/browser/download/file_metadata_unittest_linux.cc

-// Copyright (c) 2012 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 <errno.h>
-#include <stddef.h>
-#include <sys/types.h>
-#include <sys/xattr.h>
-
-#include <algorithm>
-#include <sstream>
-#include <string>
-
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/logging.h"
-#include "base/strings/string_split.h"
-#include "content/browser/download/file_metadata_linux.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "url/gurl.h"
-
-namespace content {
-namespace {
-
-using std::istringstream;
-using std::string;
-using std::vector;
-
-class FileMetadataLinuxTest : public testing::Test {
- public:
-  FileMetadataLinuxTest()
-      : source_url_("http://www.source.com"),
-        referrer_url_("http://www.referrer.com"),
-        is_xattr_supported_(false) {}
-
-  const base::FilePath& test_file() const {
-    return test_file_;
-  }
-
-  const GURL& source_url() const {
-    return source_url_;
-  }
-
-  const GURL& referrer_url() const {
-    return referrer_url_;
-  }
-
-  bool is_xattr_supported() const {
-    return is_xattr_supported_;
-  }
-
- protected:
-  void SetUp() override {
-    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
-    ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &test_file_));
-    int result = setxattr(test_file_.value().c_str(),
-                          "user.test", "test", 4, 0);
-    is_xattr_supported_ = (!result) || (errno != ENOTSUP);
-    if (!is_xattr_supported_) {
-      DVLOG(0) << "Test will be skipped because extended attributes are not "
-               << "supported on this OS/file system.";
-    }
-  }
-
-  void CheckExtendedAttributeValue(const string attr_name,
-                                   const string expected_value) const {
-    ssize_t len = getxattr(test_file().value().c_str(), attr_name.c_str(),
-                           NULL, 0);
-    if (len <= static_cast<ssize_t>(0)) {
-      FAIL() << "Attribute '" << attr_name << "' does not exist";
-    }
-    char* buffer = new char[len];
-    len = getxattr(test_file().value().c_str(), attr_name.c_str(), buffer, len);
-    EXPECT_EQ(expected_value.size(), static_cast<size_t>(len));
-    string real_value(buffer, len);
-    delete[] buffer;
-    EXPECT_EQ(expected_value, real_value);
-  }
-
-  void GetExtendedAttributeNames(vector<string>* attr_names) const {
-    ssize_t len = listxattr(test_file().value().c_str(), NULL, 0);
-    if (len <= static_cast<ssize_t>(0)) return;
-    char* buffer = new char[len];
-    len = listxattr(test_file().value().c_str(), buffer, len);
-    *attr_names = base::SplitString(string(buffer, len), std::string(1, '\0'),
-                                    base::TRIM_WHITESPACE,
-                                    base::SPLIT_WANT_ALL);
-    delete[] buffer;
-  }
-
-  void VerifyAttributesAreSetCorrectly() const {
-    vector<string> attr_names;
-    GetExtendedAttributeNames(&attr_names);
-
-    // Check if the attributes are set on the file
-    vector<string>::const_iterator pos = find(attr_names.begin(),
-        attr_names.end(), kSourceURLAttrName);
-    EXPECT_NE(pos, attr_names.end());
-    pos = find(attr_names.begin(), attr_names.end(), kReferrerURLAttrName);
-    EXPECT_NE(pos, attr_names.end());
-
-    // Check if the attribute values are set correctly
-    CheckExtendedAttributeValue(kSourceURLAttrName, source_url().spec());
-    CheckExtendedAttributeValue(kReferrerURLAttrName, referrer_url().spec());
-  }
-
- private:
-  base::ScopedTempDir temp_dir_;
-  base::FilePath test_file_;
-  GURL source_url_;
-  GURL referrer_url_;
-  bool is_xattr_supported_;
-};
-
-TEST_F(FileMetadataLinuxTest, CheckMetadataSetCorrectly) {
-  if (!is_xattr_supported()) return;
-  AddOriginMetadataToFile(test_file(), source_url(), referrer_url());
-  VerifyAttributesAreSetCorrectly();
-}
-
-TEST_F(FileMetadataLinuxTest, SetMetadataMultipleTimes) {
-  if (!is_xattr_supported()) return;
-  GURL dummy_url("http://www.dummy.com");
-  AddOriginMetadataToFile(test_file(), dummy_url, dummy_url);
-  AddOriginMetadataToFile(test_file(), source_url(), referrer_url());
-  VerifyAttributesAreSetCorrectly();
-}
-
-TEST_F(FileMetadataLinuxTest, InvalidSourceURLTest) {
-  if (!is_xattr_supported()) return;
-  GURL invalid_url;
-  vector<string> attr_names;
-  AddOriginMetadataToFile(test_file(), invalid_url, referrer_url());
-  GetExtendedAttributeNames(&attr_names);
-  EXPECT_EQ(attr_names.end(), find(attr_names.begin(), attr_names.end(),
-      kSourceURLAttrName));
-  CheckExtendedAttributeValue(kReferrerURLAttrName, referrer_url().spec());
-}
-
-TEST_F(FileMetadataLinuxTest, InvalidReferrerURLTest) {
-  if (!is_xattr_supported()) return;
-  GURL invalid_url;
-  vector<string> attr_names;
-  AddOriginMetadataToFile(test_file(), source_url(), invalid_url);
-  GetExtendedAttributeNames(&attr_names);
-  EXPECT_EQ(attr_names.end(), find(attr_names.begin(), attr_names.end(),
-      kReferrerURLAttrName));
-  CheckExtendedAttributeValue(kSourceURLAttrName, source_url().spec());
-}
-
-TEST_F(FileMetadataLinuxTest, InvalidURLsTest) {
-  if (!is_xattr_supported()) return;
-  GURL invalid_url;
-  vector<string> attr_names;
-  AddOriginMetadataToFile(test_file(), invalid_url, invalid_url);
-  GetExtendedAttributeNames(&attr_names);
-  EXPECT_EQ(attr_names.end(), find(attr_names.begin(), attr_names.end(),
-      kSourceURLAttrName));
-  EXPECT_EQ(attr_names.end(), find(attr_names.begin(), attr_names.end(),
-      kReferrerURLAttrName));
-}
-
-}  // namespace
-}  // namespace content