347 lines
12 KiB
C++
Executable File
347 lines
12 KiB
C++
Executable File
#include "elna/tester.hpp"
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#include <filesystem>
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#include <iostream>
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#include <fstream>
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#include <algorithm>
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#include <boost/process/env.hpp>
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namespace elna
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{
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std::uint32_t test_results::total() const noexcept
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{
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return m_total;
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}
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std::uint32_t test_results::passed() const noexcept
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{
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return m_passed;
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}
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std::uint32_t test_results::failed() const noexcept
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{
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return m_total - m_passed;
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}
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int test_results::exit_code() const noexcept
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{
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return m_total == m_passed ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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void test_results::add_exit_code(const test_status status) noexcept
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{
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++m_total;
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if (status == test_status::successful)
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{
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++m_passed;
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}
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}
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static std::filesystem::path in_build_directory()
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{
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return "build/riscv";
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}
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static std::string in_build_directory(const std::filesystem::path& path)
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{
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return in_build_directory() / path;
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}
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static std::filesystem::path in_actual_directory()
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{
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return "build/tests";
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}
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static std::filesystem::path in_root_directory()
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{
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return "build/root";
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}
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static std::filesystem::path in_root_directory(const std::filesystem::path& path)
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{
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return in_root_directory() / path;
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}
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boost::process::v2::process_stdio get_output_streams(const std::uint8_t stream_number,
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boost::asio::readable_pipe& read_pipe)
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{
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if (stream_number == 1)
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{
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return boost::process::v2::process_stdio{ nullptr, read_pipe };
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}
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if (stream_number == 2)
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{
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return boost::process::v2::process_stdio{ nullptr, {}, read_pipe };
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}
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return boost::process::v2::process_stdio{ nullptr, read_pipe, read_pipe };
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}
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int run_for_output(boost::asio::io_context& context, const std::filesystem::path& log_path,
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const std::filesystem::path& binary, std::initializer_list<boost::string_view> arguments)
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{
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boost::asio::readable_pipe read_pipe{ context };
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std::string output;
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boost::asio::dynamic_string_buffer buffer = boost::asio::dynamic_buffer(output);
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boost::system::error_code ec;
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boost::process::v2::process_stdio process_stdio;
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boost::process::v2::process elna_child(context, binary, arguments,
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boost::process::v2::process_stdio{ nullptr, read_pipe, 1 });
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std::ofstream log_file{ log_path };
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do
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{
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std::size_t transferred = read_pipe.read_some(buffer.prepare(512), ec);
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if (transferred == 0)
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{
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break;
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}
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buffer.commit(transferred);
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log_file.write(boost::asio::buffer_cast<const char *>(buffer.data()), buffer.size());
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buffer.consume(transferred);
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}
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while (ec == boost::system::errc::success);
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return elna_child.wait();
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}
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std::string find_object(const std::vector<std::filesystem::path>& environment, const std::string& object)
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{
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auto variable = std::find(environment.cbegin(), environment.cend(), object);
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for (const auto& variable : environment)
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{
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auto full_path = variable / object;
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if (std::filesystem::exists(full_path))
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{
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return full_path.native();
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}
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}
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return object;
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}
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test_status build_test(boost::asio::io_context& context, const std::filesystem::directory_entry& test_entry)
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{
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const std::filesystem::path test_filename = test_entry.path().filename();
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std::filesystem::path test_binary = in_root_directory("tests" / test_filename);
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std::filesystem::path test_object = in_build_directory(test_filename);
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std::filesystem::path test_log = in_build_directory(test_filename);
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test_binary.replace_extension();
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test_object.replace_extension(".o");
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test_log.replace_extension(".log");
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std::filesystem::remove(test_binary);
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std::filesystem::remove(test_object);
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auto result_code = run_for_output(context, test_log, "./build/bin/elna",
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{ "-o", test_object.string(), test_entry.path().string() });
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if (result_code != 0)
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{
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return test_status::compile_failed;
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}
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test_status result = result_code == 0 ? test_status::successful : test_status::compile_failed;
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std::vector<std::filesystem::path> environment;
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std::vector<std::string> linker_arguments = { "-o", test_binary.string() };
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for (const auto segment : boost::this_process::environment()["LIBRARY_PATH"].to_vector())
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{
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linker_arguments.push_back("-L" + segment);
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environment.push_back(std::filesystem::path(segment));
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}
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linker_arguments.push_back(find_object(environment, "crt0.o"));
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linker_arguments.push_back(find_object(environment, "crtbegin.o"));
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linker_arguments.push_back(test_object.string());
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linker_arguments.insert(linker_arguments.cend(),
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{ "--start-group", "-lgcc", "-lc", "-lgloss", "--end-group" });
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linker_arguments.push_back(find_object(environment, "crtend.o"));
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boost::process::v2::execute(boost::process::v2::process(context, boost::process::search_path("ld"),
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linker_arguments
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));
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return result;
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}
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static test_status check_expectation(const std::filesystem::path& expectation_path,
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const std::filesystem::path& actual_directory)
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{
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std::filesystem::path log_filename = expectation_path.filename();
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log_filename.replace_extension(".log");
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std::filesystem::path test_log = actual_directory / log_filename;
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test_log.replace_extension(".log");
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boost::process::child diff(
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boost::process::search_path("diff"), "-Nur", "--color",
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expectation_path, test_log
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);
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diff.wait();
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if (diff.exit_code() == 0)
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{
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return test_status::successful;
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}
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return test_status::expectation_failed;
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}
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void run_test(boost::asio::io_context& context, const std::filesystem::path& test_binary)
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{
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std::filesystem::path test_log = test_binary;
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test_log.replace_extension(".log");
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run_for_output(context, test_log, boost::process::search_path("qemu-riscv32"),
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{ test_binary.string() });
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}
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static void cpio_archive(boost::asio::io_context& context)
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{
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boost::asio::readable_pipe read_pipe{ context };
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boost::asio::writable_pipe write_pipe{ context };
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std::string output;
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boost::asio::dynamic_string_buffer buffer = boost::asio::dynamic_buffer(output);
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boost::system::error_code ec;
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std::ofstream archive_output{ "build/root.cpio", std::ios::binary };
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boost::process::v2::process_stdio process_stdio;
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auto current_path = std::filesystem::current_path();
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std::filesystem::current_path(in_root_directory());
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boost::process::v2::process cpio_child(context, boost::process::search_path("cpio"),
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{ "-o", "--format=newc" },
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boost::process::v2::process_stdio{ write_pipe, read_pipe, nullptr });
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for (const auto& entry : std::filesystem::recursive_directory_iterator("."))
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{
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auto entry_path = entry.path().string() + "\n";
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auto entry_iterator = std::cbegin(entry_path);
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std::size_t written{ 0 };
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while (entry_iterator != std::cend(entry_path))
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{
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std::size_t written = write_pipe.write_some(boost::asio::buffer(entry_iterator.base(),
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std::distance(entry_iterator, std::cend(entry_path))));
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std::advance(entry_iterator, written);
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}
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}
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write_pipe.close();
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do
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{
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std::size_t transferred = read_pipe.read_some(buffer.prepare(512), ec);
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if (transferred == 0)
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{
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break;
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}
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buffer.commit(transferred);
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archive_output.write(boost::asio::buffer_cast<const char *>(buffer.data()), buffer.size());
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buffer.consume(transferred);
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}
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while (ec == boost::system::errc::success);
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std::filesystem::current_path(current_path);
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}
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static void run_vm(boost::asio::io_context& context)
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{
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std::vector<std::string> arguments = {
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"-nographic",
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"-M", "virt",
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"-bios", "default",
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"-kernel", "build/tools/linux-5.15.158/arch/riscv/boot/Image",
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"-append", "quiet",
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"-initrd", "build/root.cpio"
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};
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auto process = boost::process::v2::process(context,
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boost::process::search_path("qemu-system-riscv32"), arguments);
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boost::process::v2::execute(std::move(process));
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}
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static void create_init()
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{
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std::filesystem::copy("build/tools/init", in_root_directory());
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}
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static test_results run_in_path(const std::filesystem::path test_directory)
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{
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test_results results;
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boost::asio::io_context context;
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for (const auto& test_entry : std::filesystem::directory_iterator(test_directory))
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{
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if (test_entry.path().extension() != ".eln" || !test_entry.is_regular_file())
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{
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continue;
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}
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test_status result;
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std::cout << "Compiling " << test_entry << std::endl;
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try
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{
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build_test(context, test_entry);
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}
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catch (const boost::process::process_error& exception)
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{
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std::cout << exception.what() << std::endl;
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}
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}
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for (const auto& executable_test : std::filesystem::directory_iterator(in_build_directory()))
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{
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if (executable_test.path().has_extension())
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{
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continue;
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}
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run_test(context, executable_test.path());
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}
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for (const auto& expectation_entry : std::filesystem::directory_iterator(test_directory / "failures"))
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{
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auto test_entry = test_directory / expectation_entry.path().filename();
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test_entry.replace_extension(".eln");
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auto result = check_expectation(expectation_entry.path(), in_build_directory());
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print_result(test_entry, result);
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results.add_exit_code(result);
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}
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std::filesystem::copy(test_directory / "expectations", in_root_directory("expectations"),
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std::filesystem::copy_options::recursive);
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create_init();
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cpio_archive(context);
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run_vm(context);
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return results;
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}
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void print_result(const std::filesystem::path& test_entry, const test_status& result)
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{
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if (result != test_status::successful)
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{
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std::cout << test_entry << " failed." << std::endl;
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}
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}
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};
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int main()
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{
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std::filesystem::create_directory(elna::in_build_directory());
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std::filesystem::create_directory(elna::in_actual_directory());
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std::filesystem::remove_all(elna::in_root_directory());
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std::filesystem::create_directory(elna::in_root_directory());
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std::filesystem::create_directory(elna::in_root_directory("expectations"));
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std::filesystem::create_directory(elna::in_root_directory("tests"));
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auto current_environment = boost::this_process::environment();
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current_environment["PATH"] += "./build/tools/sysroot/bin";
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std::cout << "Run all tests and check the results" << std::endl;
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std::filesystem::path test_directory{ "tests" };
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const auto results = elna::run_in_path(test_directory);
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std::cout << std::endl;
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std::cout << results.total() << " tests run, "
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<< results.passed() << " passed, "
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<< results.failed() << " failed." << std::endl;
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return results.exit_code();
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}
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