Config file and package tracking utility
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/*
* Copyright (C) 2022 Riyyi
*
* SPDX-License-Identifier: MIT
*/
#include <cstdio> // stderr
#include <filesystem>
#include <string>
#include <unistd.h> // geteuid, setegid, seteuid
#include <vector>
#include "dotfile.h"
#include "machine.h"
#include "macro.h"
#include "testcase.h"
#include "testsuite.h"
#include "util/file.h"
#include "util/system.h"
const bool root = !geteuid() ? true : false;
const std::string homeDirectory = "/home/" + Machine::the().username();
const size_t homeDirectorySize = homeDirectory.size();
void createTestDotfiles(const std::vector<std::string>& fileNames, const std::vector<std::string>& fileContents, bool asRoot = false)
{
VERIFY(fileNames.size() == fileContents.size());
if (root && !asRoot) {
setegid(Machine::the().gid());
seteuid(Machine::the().uid());
}
for (size_t i = 0; i < fileNames.size(); ++i) {
auto fileName = fileNames.at(i);
auto directory = std::filesystem::path { fileName }.parent_path();
if (!directory.empty() && !std::filesystem::exists(directory)) {
std::filesystem::create_directories(directory);
}
auto file = Util::File::create(fileName);
if (file.data().size() == 0) {
file.append(fileContents.at(i).c_str()).flush();
}
}
if (root && !asRoot) {
seteuid(0);
setegid(0);
}
}
void removeTestDotfiles(const std::vector<std::string>& files)
{
for (auto file : files) {
// Get the top-level directory
if (file.find(homeDirectory) == 0) {
file = file.substr(homeDirectorySize + 1);
}
file = file.substr(0, file.find_first_of('/'));
// Delete recursively in working directory
if (std::filesystem::exists(file)) {
std::filesystem::remove_all(file);
}
// Delete recursively in home directory
file = homeDirectory + '/' + file;
if (std::filesystem::exists(file)) {
std::filesystem::remove_all(file);
}
}
}
// -----------------------------------------
TEST_CASE(AddDotfiles)
{
std::vector<std::string> fileNames = {
homeDirectory + "/__test-file-1",
homeDirectory + "/__subdir/__test-file-2",
homeDirectory + "/__subdir/__another-subdir/__test-file-3",
};
std::vector<std::string> fileContents = {
R"(home directory file 1
)",
R"(home directory file 2
)",
R"(home directory file 3
)",
};
createTestDotfiles(fileNames, fileContents);
Dotfile::the().add(fileNames);
for (const auto& file : fileNames) {
EXPECT(std::filesystem::exists(file));
EXPECT(std::filesystem::exists(file.substr(homeDirectorySize + 1)));
Util::File lhs(file);
Util::File rhs(file.substr(homeDirectorySize + 1));
EXPECT_EQ(lhs.data(), rhs.data());
}
removeTestDotfiles(fileNames);
}
TEST_CASE(AddNonExistentDotfiles)
{
stderr = Test::TestSuite::the().outputNull();
Dotfile::the().add({ "/tmp/__non-existent-test-file" });
stderr = Test::TestSuite::the().outputErr();
EXPECT(!std::filesystem::exists("__non-existent-test-file"));
}
TEST_CASE(PullDotfiles)
{
std::vector<std::string> fileNames = {
"__test-file-1",
"__subdir/__test-file-2",
"__subdir/__another-subdir/__test-file-3",
};
std::vector<std::string> homeFileNames;
for (const auto& file : fileNames) {
homeFileNames.push_back(homeDirectory + '/' + file);
}
std::vector<std::string> homeFileContents = {
R"(file 1 after pulling
)",
R"(file 2 after pulling
)",
R"(file 3 after pulling
)",
};
std::vector<std::string> workingDirectoryFileContents = {
R"(file 1
)",
R"(file 2
)",
R"(file 3
)",
};
createTestDotfiles(homeFileNames, homeFileContents);
createTestDotfiles(fileNames, workingDirectoryFileContents);
Dotfile::the().pull(fileNames);
for (size_t i = 0; i < fileNames.size(); ++i) {
EXPECT(std::filesystem::exists(homeFileNames.at(i)));
EXPECT(std::filesystem::exists(fileNames.at(i)));
Util::File lhs(homeFileNames.at(i));
Util::File rhs(fileNames.at(i));
EXPECT_EQ(lhs.data(), rhs.data());
}
removeTestDotfiles(fileNames);
}
TEST_CASE(PushDotfiles)
{
std::vector<std::string> fileNames = {
"__test-file-1",
"__subdir/__test-file-2",
"__subdir/__another-subdir/__test-file-3",
};
std::vector<std::string> fileContents = {
R"(working directory file 1
)",
R"(working directory file 2
)",
R"(working directory file 3
)",
};
createTestDotfiles(fileNames, fileContents);
Dotfile::the().push(fileNames);
for (const auto& file : fileNames) {
EXPECT(std::filesystem::exists(file));
EXPECT(std::filesystem::exists(homeDirectory + '/' + file));
Util::File lhs(file);
Util::File rhs(homeDirectory + '/' + file);
EXPECT_EQ(lhs.data(), rhs.data());
}
removeTestDotfiles(fileNames);
}
TEST_CASE(PushDotfilesWithExcludePath)
{
std::vector<std::string> fileNames = {
"__test-file-1",
"__subdir/__test-file-2",
"__subdir/__test-file-3",
"__another-subdir/__test-file-4.test",
};
createTestDotfiles(fileNames, { "", "", "", "" });
Dotfile::the().setExcludePaths({
{ Dotfile::ExcludeType::File, "__test-file-1" },
{ Dotfile::ExcludeType::Directory, "__subdir" },
{ Dotfile::ExcludeType::EndsWith, ".test" },
});
Dotfile::the().push(fileNames);
Dotfile::the().setExcludePaths({});
for (const auto& file : fileNames) {
EXPECT(!std::filesystem::exists(homeDirectory + '/' + file));
}
removeTestDotfiles(fileNames);
}
TEST_CASE(AddSystemDotfiles)
{
VERIFY(geteuid() == 0);
Dotfile::the().setSystemDirectories({ "/etc", "/usr/lib" });
Dotfile::the().add({ "/etc/group", "/usr/lib/os-release" });
Dotfile::the().setSystemDirectories({});
EXPECT(std::filesystem::exists("etc/group"));
EXPECT(std::filesystem::exists("usr/lib/os-release"));
std::filesystem::remove_all(Dotfile::the().workingDirectory() / "etc");
std::filesystem::remove_all(Dotfile::the().workingDirectory() / "usr");
}
TEST_CASE(PullSystemDotfiles)
{
VERIFY(geteuid() == 0);
createTestDotfiles({ "etc/group" }, { "" }, true);
Dotfile::the().setSystemDirectories({ "/etc" });
Dotfile::the().pull({ "etc/group" });
Dotfile::the().setSystemDirectories({});
Util::File lhs("/etc/group");
Util::File rhs(Dotfile::the().workingDirectory() / "etc/group");
EXPECT_EQ(lhs.data(), rhs.data());
std::filesystem::remove_all(Dotfile::the().workingDirectory() / "etc");
}