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-rw-r--r-- | third_party/libwebrtc/test/testsupport/file_utils.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/testsupport/file_utils.h b/third_party/libwebrtc/test/testsupport/file_utils.h new file mode 100644 index 0000000000..ab80ca4454 --- /dev/null +++ b/third_party/libwebrtc/test/testsupport/file_utils.h @@ -0,0 +1,109 @@ +/* + * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <stdio.h> + +#ifndef TEST_TESTSUPPORT_FILE_UTILS_H_ +#define TEST_TESTSUPPORT_FILE_UTILS_H_ + +#include <string> +#include <vector> + +#include "absl/base/attributes.h" +#include "absl/strings/string_view.h" +#include "absl/types/optional.h" + +namespace webrtc { +namespace test { + +// Slash or backslash, depending on platform. +ABSL_CONST_INIT extern const absl::string_view kPathDelimiter; + +// Returns the absolute path to the output directory where log files and other +// test artifacts should be put. The output directory is generally a directory +// named "out" at the project root. This root is assumed to be two levels above +// where the test binary is located; this is because tests execute in a dir +// out/Whatever relative to the project root. This convention is also followed +// in Chromium. +// +// The exception is Android where we use /sdcard/ instead. +// +// If symbolic links occur in the path they will be resolved and the actual +// directory will be returned. +// +// Returns the path WITH a trailing path delimiter. If the project root is not +// found, the current working directory ("./") is returned as a fallback. +std::string OutputPath(); + +// Generates an empty file with a unique name in the specified directory and +// returns the file name and path. +// TODO(titovartem) rename to TempFile and next method to TempFilename +std::string TempFilename(absl::string_view dir, absl::string_view prefix); + +// Generates a unique file name that can be used for file creation. Doesn't +// create any files. +std::string GenerateTempFilename(absl::string_view dir, + absl::string_view prefix); + +// Returns a path to a resource file in [project-root]/resources/ dir. +// Returns an absolute path +// +// Arguments: +// name - Name of the resource file. If a plain filename (no directory path) +// is supplied, the file is assumed to be located in resources/ +// If a directory path is prepended to the filename, a subdirectory +// hierarchy reflecting that path is assumed to be present. +// extension - File extension, without the dot, i.e. "bmp" or "yuv". +std::string ResourcePath(absl::string_view name, absl::string_view extension); + +// Joins directory name and file name, separated by the path delimiter. +std::string JoinFilename(absl::string_view dir, absl::string_view name); + +// Gets the current working directory for the executing program. +// Returns "./" if for some reason it is not possible to find the working +// directory. +std::string WorkingDir(); + +// Reads the content of a directory and, in case of success, returns a vector +// of strings with one element for each found file or directory. Each element is +// a path created by prepending `dir` to the file/directory name. "." and ".." +// are never added in the returned vector. +absl::optional<std::vector<std::string>> ReadDirectory(absl::string_view path); + +// Creates a directory if it not already exists. +// Returns true if successful. Will print an error message to stderr and return +// false if a file with the same name already exists. +bool CreateDir(absl::string_view directory_name); + +// Removes a directory, which must already be empty. +bool RemoveDir(absl::string_view directory_name); + +// Removes a file. +bool RemoveFile(absl::string_view file_name); + +// Checks if a file exists. +// TOOD(alito): Merge these once absl::string_view adoption is complete for this +// file. +bool FileExists(absl::string_view file_name); + +// Checks if a directory exists. +bool DirExists(absl::string_view directory_name); + +// Strips the rightmost path segment from a path. +std::string DirName(absl::string_view path); + +// File size of the supplied file in bytes. Will return 0 if the file is +// empty or if the file does not exist/is readable. +size_t GetFileSize(absl::string_view filename); + +} // namespace test +} // namespace webrtc + +#endif // TEST_TESTSUPPORT_FILE_UTILS_H_ |