70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
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/* test_util.h
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* Copyright 2021 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Utility functions in testing.
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*/
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#ifndef _TEST_UTIL_H_
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#define _TEST_UTIL_H_
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#include <stdio.h>
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#include <memory>
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#include <string>
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#include "config_parser.h"
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namespace mj {
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namespace internal {
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// Functor for |ScopedFILE| (below).
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struct ScopedFILECloser {
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inline void operator()(FILE *x) const {
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if (x) {
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fclose(x);
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}
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}
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};
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// Functor for |ScopedConfigEntry| (below).
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struct ScopedConfigEntryDeleter {
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inline void operator()(config_entry *entry) const {
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if (entry) {
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free(entry);
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}
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}
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};
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} // namespace internal
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} // namespace mj
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using ScopedFILE = std::unique_ptr<FILE, mj::internal::ScopedFILECloser>;
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using ScopedConfigEntry =
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std::unique_ptr<config_entry, mj::internal::ScopedConfigEntryDeleter>;
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/*
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* write_to_pipe: write a string as the file content into a pipe based
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* file handle. This is particularly useful when testing with temporary data
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* files, without dealing with complexities such as relative file path, file
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* permission and etc. However, a pipe has limited capacity so write_to_pipe
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* will hang when a big enough string is written. This is for use in testing
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* only.
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*
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* Returns a FILE* that contains @content.
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*/
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FILE *write_to_pipe(const std::string& content);
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/*
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* source_path: return the path to a test fixture located in the current
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* source tree. This uses the `SRC` environment variable as the root of the
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* tree, falling back to the current directory.
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*/
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std::string source_path(const std::string& file);
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#endif /* _TEST_UTIL_H_ */
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