Add scripts to build a toolchain for running VM tests
This commit is contained in:
109
tests/tester.cpp
109
tests/tester.cpp
@ -1,5 +1,6 @@
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#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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@ -51,6 +52,16 @@ namespace elna
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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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@ -114,9 +125,9 @@ namespace elna
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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_build_directory(test_filename);
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std::filesystem::path test_object = test_binary;
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std::filesystem::path test_log = test_binary;
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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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@ -183,6 +194,74 @@ namespace elna
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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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@ -196,14 +275,13 @@ namespace elna
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}
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test_status result;
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std::cout << "Running " << test_entry << std::endl;
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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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test_status::build_failed;
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std::cout << exception.what() << std::endl;
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}
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}
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@ -224,15 +302,12 @@ namespace elna
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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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for (const auto& expectation_entry : std::filesystem::directory_iterator(test_directory / "expectations"))
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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_actual_directory());
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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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print_result(test_entry, result);
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results.add_exit_code(result);
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}
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return results;
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}
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@ -250,6 +325,14 @@ int main()
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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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