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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/test/testsupport/file_utils_unittest.cc | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/test/testsupport/file_utils_unittest.cc')
-rw-r--r-- | third_party/libwebrtc/test/testsupport/file_utils_unittest.cc | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/testsupport/file_utils_unittest.cc b/third_party/libwebrtc/test/testsupport/file_utils_unittest.cc new file mode 100644 index 0000000000..b9de01d09d --- /dev/null +++ b/third_party/libwebrtc/test/testsupport/file_utils_unittest.cc @@ -0,0 +1,277 @@ +/* + * Copyright (c) 2012 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 "test/testsupport/file_utils.h" + +#include <stdio.h> + +#include <algorithm> +#include <fstream> +#include <string> + +#include "absl/strings/string_view.h" +#include "absl/types/optional.h" +#include "rtc_base/checks.h" +#include "test/gmock.h" +#include "test/gtest.h" + +#ifdef WIN32 +#define chdir _chdir +#endif + +using ::testing::EndsWith; + +namespace webrtc { +namespace test { + +namespace { + +std::string Path(absl::string_view path) { + std::string result(path); + std::replace(result.begin(), result.end(), '/', kPathDelimiter[0]); + return result; +} + +// Remove files and directories in a directory non-recursively and writes the +// number of deleted items in `num_deleted_entries`. +void CleanDir(absl::string_view dir, size_t* num_deleted_entries) { + RTC_DCHECK(num_deleted_entries); + *num_deleted_entries = 0; + absl::optional<std::vector<std::string>> dir_content = ReadDirectory(dir); + EXPECT_TRUE(dir_content); + for (const auto& entry : *dir_content) { + if (DirExists(entry)) { + EXPECT_TRUE(RemoveDir(entry)); + (*num_deleted_entries)++; + } else if (FileExists(entry)) { + EXPECT_TRUE(RemoveFile(entry)); + (*num_deleted_entries)++; + } else { + FAIL(); + } + } +} + +void WriteStringInFile(absl::string_view what, absl::string_view file_path) { + std::ofstream out(std::string{file_path}); + out << what; + out.close(); +} + +} // namespace + +// Test fixture to restore the working directory between each test, since some +// of them change it with chdir during execution (not restored by the +// gtest framework). +class FileUtilsTest : public ::testing::Test { + protected: + FileUtilsTest() {} + ~FileUtilsTest() override {} + // Runs before the first test + static void SetUpTestSuite() { + original_working_dir_ = webrtc::test::WorkingDir(); + } + void SetUp() override { ASSERT_EQ(chdir(original_working_dir_.c_str()), 0); } + void TearDown() override { + ASSERT_EQ(chdir(original_working_dir_.c_str()), 0); + } + + private: + static std::string original_working_dir_; +}; + +std::string FileUtilsTest::original_working_dir_ = ""; + +// The location will vary depending on where the webrtc checkout is on the +// system, but it should end as described above and be an absolute path. +std::string ExpectedRootDirByPlatform() { +#if defined(WEBRTC_ANDROID) + return Path("chromium_tests_root/"); +#elif defined(WEBRTC_IOS) + return Path("tmp/"); +#else + return Path("out/"); +#endif +} + +TEST_F(FileUtilsTest, OutputPathFromUnchangedWorkingDir) { + std::string expected_end = ExpectedRootDirByPlatform(); + std::string result = webrtc::test::OutputPath(); + + ASSERT_THAT(result, EndsWith(expected_end)); +} + +// Tests with current working directory set to a directory higher up in the +// directory tree than the project root dir. +TEST_F(FileUtilsTest, OutputPathFromRootWorkingDir) { + ASSERT_EQ(0, chdir(kPathDelimiter.data())); + + std::string expected_end = ExpectedRootDirByPlatform(); + std::string result = webrtc::test::OutputPath(); + + ASSERT_THAT(result, EndsWith(expected_end)); +} + +TEST_F(FileUtilsTest, TempFilename) { + std::string temp_filename = webrtc::test::TempFilename( + webrtc::test::OutputPath(), "TempFilenameTest"); + ASSERT_TRUE(webrtc::test::FileExists(temp_filename)) + << "Couldn't find file: " << temp_filename; + remove(temp_filename.c_str()); +} + +TEST_F(FileUtilsTest, GenerateTempFilename) { + std::string temp_filename = webrtc::test::GenerateTempFilename( + webrtc::test::OutputPath(), "TempFilenameTest"); + ASSERT_FALSE(webrtc::test::FileExists(temp_filename)) + << "File exists: " << temp_filename; + FILE* file = fopen(temp_filename.c_str(), "wb"); + ASSERT_TRUE(file != NULL) << "Failed to open file: " << temp_filename; + ASSERT_GT(fprintf(file, "%s", "Dummy data"), 0) + << "Failed to write to file: " << temp_filename; + fclose(file); + remove(temp_filename.c_str()); +} + +// Only tests that the code executes +#if defined(WEBRTC_IOS) +#define MAYBE_CreateDir DISABLED_CreateDir +#else +#define MAYBE_CreateDir CreateDir +#endif +TEST_F(FileUtilsTest, MAYBE_CreateDir) { + std::string directory = "fileutils-unittest-empty-dir"; + // Make sure it's removed if a previous test has failed: + remove(directory.c_str()); + ASSERT_TRUE(webrtc::test::CreateDir(directory)); + remove(directory.c_str()); +} + +TEST_F(FileUtilsTest, WorkingDirReturnsValue) { + // This will obviously be different depending on where the webrtc checkout is, + // so just check something is returned. + std::string working_dir = webrtc::test::WorkingDir(); + ASSERT_GT(working_dir.length(), 0u); +} + +TEST_F(FileUtilsTest, ResourcePathReturnsCorrectPath) { + std::string result = webrtc::test::ResourcePath( + Path("video_coding/frame-ethernet-ii"), "pcap"); +#if defined(WEBRTC_IOS) + // iOS bundles resources straight into the bundle root. + std::string expected_end = Path("/frame-ethernet-ii.pcap"); +#else + // Other platforms: it's a separate dir. + std::string expected_end = + Path("resources/video_coding/frame-ethernet-ii.pcap"); +#endif + + ASSERT_THAT(result, EndsWith(expected_end)); + ASSERT_TRUE(FileExists(result)) << "Expected " << result + << " to exist; did " + "ResourcePath return an incorrect path?"; +} + +TEST_F(FileUtilsTest, ResourcePathFromRootWorkingDir) { + ASSERT_EQ(0, chdir(kPathDelimiter.data())); + std::string resource = webrtc::test::ResourcePath("whatever", "ext"); +#if !defined(WEBRTC_IOS) + ASSERT_NE(resource.find("resources"), std::string::npos); +#endif + ASSERT_GT(resource.find("whatever"), 0u); + ASSERT_GT(resource.find("ext"), 0u); +} + +TEST_F(FileUtilsTest, GetFileSizeExistingFile) { + // Create a file with some dummy data in. + std::string temp_filename = webrtc::test::TempFilename( + webrtc::test::OutputPath(), "fileutils_unittest"); + FILE* file = fopen(temp_filename.c_str(), "wb"); + ASSERT_TRUE(file != NULL) << "Failed to open file: " << temp_filename; + ASSERT_GT(fprintf(file, "%s", "Dummy data"), 0) + << "Failed to write to file: " << temp_filename; + fclose(file); + ASSERT_GT(webrtc::test::GetFileSize(temp_filename), 0u); + remove(temp_filename.c_str()); +} + +TEST_F(FileUtilsTest, GetFileSizeNonExistingFile) { + ASSERT_EQ(0u, webrtc::test::GetFileSize("non-existing-file.tmp")); +} + +TEST_F(FileUtilsTest, DirExists) { + // Check that an existing directory is recognized as such. + ASSERT_TRUE(webrtc::test::DirExists(webrtc::test::OutputPath())) + << "Existing directory not found"; + + // Check that a non-existing directory is recognized as such. + std::string directory = "direxists-unittest-non_existing-dir"; + ASSERT_FALSE(webrtc::test::DirExists(directory)) + << "Non-existing directory found"; + + // Check that an existing file is not recognized as an existing directory. + std::string temp_filename = webrtc::test::TempFilename( + webrtc::test::OutputPath(), "TempFilenameTest"); + ASSERT_TRUE(webrtc::test::FileExists(temp_filename)) + << "Couldn't find file: " << temp_filename; + ASSERT_FALSE(webrtc::test::DirExists(temp_filename)) + << "Existing file recognized as existing directory"; + remove(temp_filename.c_str()); +} + +TEST_F(FileUtilsTest, WriteReadDeleteFilesAndDirs) { + size_t num_deleted_entries; + + // Create an empty temporary directory for this test. + const std::string temp_directory = + OutputPath() + Path("TempFileUtilsTestReadDirectory/"); + CreateDir(temp_directory); + EXPECT_NO_FATAL_FAILURE(CleanDir(temp_directory, &num_deleted_entries)); + EXPECT_TRUE(DirExists(temp_directory)); + + // Add a file. + const std::string temp_filename = temp_directory + "TempFilenameTest"; + WriteStringInFile("test\n", temp_filename); + EXPECT_TRUE(FileExists(temp_filename)); + + // Add an empty directory. + const std::string temp_subdir = temp_directory + Path("subdir/"); + EXPECT_TRUE(CreateDir(temp_subdir)); + EXPECT_TRUE(DirExists(temp_subdir)); + + // Checks. + absl::optional<std::vector<std::string>> dir_content = + ReadDirectory(temp_directory); + EXPECT_TRUE(dir_content); + EXPECT_EQ(2u, dir_content->size()); + EXPECT_NO_FATAL_FAILURE(CleanDir(temp_directory, &num_deleted_entries)); + EXPECT_EQ(2u, num_deleted_entries); + EXPECT_TRUE(RemoveDir(temp_directory)); + EXPECT_FALSE(DirExists(temp_directory)); +} + +TEST_F(FileUtilsTest, DirNameStripsFilename) { + EXPECT_EQ(Path("/some/path"), DirName(Path("/some/path/file.txt"))); +} + +TEST_F(FileUtilsTest, DirNameKeepsStrippingRightmostPathComponent) { + EXPECT_EQ(Path("/some"), DirName(DirName(Path("/some/path/file.txt")))); +} + +TEST_F(FileUtilsTest, DirNameDoesntCareIfAPathEndsInPathSeparator) { + EXPECT_EQ(Path("/some"), DirName(Path("/some/path/"))); +} + +TEST_F(FileUtilsTest, DirNameStopsAtRoot) { + EXPECT_EQ(Path("/"), DirName(Path("/"))); +} + +} // namespace test +} // namespace webrtc |