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/*
* libfud
* Copyright 2024 Dominick Allen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fud_array.hpp"
#include "fud_c_file.hpp"
#include "fud_directory.hpp"
#include "fud_memory.hpp"
#include "fud_string.hpp"
#include "gtest/gtest.h"
#include <algorithm>
#include <cerrno>
#include <fcntl.h>
#include <ftw.h>
#include <ranges>
namespace fud {
int unlink_cb(const char* fpath, const struct stat* sb_unused, int typeflag, struct FTW* ftwbuf)
{
static_cast<void>(sb_unused);
int retValue = remove(fpath);
EXPECT_EQ(retValue, 0);
if (retValue != 0) {
perror(fpath);
}
return retValue;
}
FudStatus removeRecursive(const String& path)
{
if (!path.utf8Valid()) {
return FudStatus::Utf8Invalid;
}
if (path.length() < 5) {
return FudStatus::InvalidInput;
}
auto prefix{String::makeFromCString("/tmp/").takeOkay()};
auto diffResult = compareMem(path.data(), path.length(), prefix.data(), prefix.length());
if (diffResult.isError()) {
return FudStatus::InvalidInput;
}
auto diff = diffResult.getOkay();
if (diff != 0) {
return FudStatus::InvalidInput;
}
constexpr int maxOpenFd = 64;
auto status = nftw(path.c_str(), unlink_cb, maxOpenFd, FTW_DEPTH | FTW_PHYS);
if (status == 0) {
return FudStatus::Success;
}
if (errno == ENOENT) {
return FudStatus::Success;
}
return FudStatus::Failure;
}
TEST(FudDirectory, Basic)
{
const auto testDirName{String::makeFromCString("/tmp/fud_directory_test").takeOkay()};
ASSERT_TRUE(testDirName.utf8Valid());
constexpr mode_t pathMode = 0777;
const Array<String, 2> files{
String::makeFromCString("file1").takeOkay(),
String::makeFromCString("file2").takeOkay()};
ASSERT_TRUE(files[0].utf8Valid());
ASSERT_TRUE(files[1].utf8Valid());
ASSERT_EQ(removeRecursive(testDirName), FudStatus::Success);
auto mkdirResult = mkdir(testDirName.c_str(), pathMode);
EXPECT_EQ(mkdirResult, 0);
if (mkdirResult != 0) {
ASSERT_EQ(removeRecursive(testDirName), FudStatus::Success);
return;
}
const String testDirNamePrefix{testDirName.catenate("/").takeOkay()};
ASSERT_TRUE(testDirNamePrefix.utf8Valid());
for (const auto& fnameBase : files) {
const auto fname{testDirNamePrefix.catenate(fnameBase).takeOkay()};
ASSERT_TRUE(fname.utf8Valid());
auto fileResult{CBinaryFile::make(fname, CFileMode::ReadWriteTruncate)};
ASSERT_TRUE(fileResult.isOkay());
CBinaryFile file{std::move(fileResult).takeOkay()};
ASSERT_EQ(file.open(), FudStatus::Success);
Array<utf8, 5> data{"test"};
WriteResult expected{data.size(), FudStatus::Success};
auto writeResult = file.write(data);
ASSERT_EQ(writeResult.bytesWritten, expected.bytesWritten);
ASSERT_EQ(writeResult.status, expected.status);
}
Directory directory{testDirName};
ASSERT_EQ(directory.status(), FudStatus::Success);
ASSERT_EQ(directory.errorCode(), 0);
const Array<DirectoryEntry, 4> expectedFiles{
DirectoryEntry{String::makeFromCString(".").takeOkay(), 0, 0, 2, 0, DirectoryEntryType::Directory},
DirectoryEntry{String::makeFromCString("..").takeOkay(), 0, 0, 1, 0, DirectoryEntryType::Directory},
DirectoryEntry{files[0], 0, files[0].size(), 1, 0, DirectoryEntryType::RegularFile},
DirectoryEntry{files[1], 0, files[1].size(), 1, 0, DirectoryEntryType::RegularFile},
};
ASSERT_TRUE(expectedFiles[0].name.compare(expectedFiles[0].name));
for (auto idx = 0; idx < expectedFiles.size(); ++idx) {
auto dirEntryResult = directory.getNextEntry();
EXPECT_TRUE(dirEntryResult.isOkay());
const auto dirEntryOpt = dirEntryResult.getOkay();
if (dirEntryOpt == std::nullopt) {
break;
}
const auto dirEntry = *dirEntryOpt;
const auto* expected = std::find_if(
expectedFiles.begin(),
expectedFiles.end(),
[&dirEntry](const DirectoryEntry& entry) {
return entry.name.compare(dirEntry.name) && entry.entryType == dirEntry.entryType;
});
EXPECT_NE(expected, nullptr);
EXPECT_NE(expected, expectedFiles.end());
}
auto finalDirEntryResult = directory.getNextEntry();
EXPECT_TRUE(finalDirEntryResult.isOkay());
EXPECT_EQ(finalDirEntryResult.getOkay(), std::nullopt);
// ASSERT_EQ(removeRecursive(testDirName), FudStatus::Success);
}
} // namespace fud
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