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// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Filesystem-related utility functions.
#ifndef LIBBRILLO_BRILLO_FILES_FILE_UTIL_TEST_H_
#define LIBBRILLO_BRILLO_FILES_FILE_UTIL_TEST_H_
#include <string>
#include <vector>
#include <base/files/scoped_temp_dir.h>
#include <brillo/files/safe_fd.h>
#include <gtest/gtest.h>
namespace brillo {
// Convert the SafeFD::Error enum class to a string for readability of
// test results.
std::string to_string(brillo::SafeFD::Error err);
// Helper to enable gtest to print SafeFD::Error results in a way that is easier
// to read.
std::ostream& operator<<(std::ostream& os, const brillo::SafeFD::Error err);
// Gets a short random string that can be used as part of a file name.
std::string GetRandomSuffix();
class FileTest : public testing::Test {
public:
static constexpr char kFileName[] = "test.temp";
static constexpr char kSubdirName[] = "test_dir";
static constexpr char kSymbolicFileName[] = "sym_test.temp";
static constexpr char kSymbolicDirName[] = "sym_dir";
static void SetUpTestCase();
FileTest();
protected:
std::vector<char> temp_dir_path_;
base::FilePath file_path_;
base::FilePath sub_dir_path_;
base::FilePath symlink_file_path_;
base::FilePath symlink_dir_path_;
base::ScopedTempDir temp_dir_;
SafeFD root_;
bool SetupSubdir() WARN_UNUSED_RESULT;
bool SetupSymlinks() WARN_UNUSED_RESULT;
// Writes |contents| to |file_path_|. Pulled into a separate function just
// to improve readability of tests.
bool WriteFile(const std::string& contents) WARN_UNUSED_RESULT;
// Verifies that the file at |file_path_| exists and contains |contents|.
void ExpectFileContains(const std::string& contents);
// Verifies that the file at |file_path_| has |permissions|.
void ExpectPermissions(base::FilePath path, int permissions);
// Creates a file with a random name in the temporary directory.
base::FilePath GetTempName() WARN_UNUSED_RESULT;
};
} // namespace brillo
#endif // LIBBRILLO_BRILLO_FILES_FILE_UTIL_TEST_H_
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