From 787671aac288590e40c5cabfc9f82a31f21629fe Mon Sep 17 00:00:00 2001 From: Lukas Oesch Date: Thu, 9 Apr 2026 10:33:38 +0200 Subject: add vfs tests with real ext2 images --- .../filesystem/storage_boot_module_fixture.cpp | 90 +++++++++++++++++++--- .../filesystem/storage_boot_module_vfs_fixture.cpp | 32 ++++++++ .../filesystem/test_assets/ext2_1KB_fs.img | 3 + .../filesystem/test_assets/ext2_2KB_fs.img | 3 + .../filesystem/test_assets/ext2_4KB_fs.img | 3 + 5 files changed, 119 insertions(+), 12 deletions(-) create mode 100644 kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp create mode 100644 kernel/src/test_support/filesystem/test_assets/ext2_1KB_fs.img create mode 100644 kernel/src/test_support/filesystem/test_assets/ext2_2KB_fs.img create mode 100644 kernel/src/test_support/filesystem/test_assets/ext2_4KB_fs.img (limited to 'kernel/src/test_support') diff --git a/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp b/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp index 8bbf194..a139f63 100644 --- a/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp +++ b/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp @@ -8,36 +8,102 @@ #include "kernel/test_support/boot_modules.hpp" #include "kernel/test_support/devices/storage/management.hpp" +#include +#include + #include -#include +#include +#include +#include +#include namespace kernel::tests::filesystem { - auto storage_boot_module_fixture::setup_modules(std::size_t module_count, std::size_t module_size) -> void + storage_boot_module_fixture::~storage_boot_module_fixture() { kernel::tests::devices::storage::management::deinit(); kernel::tests::boot_modules::deinit(); + } - module_names.clear(); - module_data.clear(); - registry = {}; + auto storage_boot_module_fixture::setup_modules(std::size_t module_count, std::size_t module_size) -> void + { + m_module_names.clear(); + m_module_data.clear(); + m_registry = {}; - module_names.reserve(module_count); - module_data.reserve(module_count); + m_module_names.reserve(module_count); + m_module_data.reserve(module_count); for (std::size_t i = 0; i < module_count; ++i) { - module_names.push_back("test_mod" + std::to_string(i)); - module_data.emplace_back(module_size, std::byte{static_cast(0x40 + (i % 16))}); + m_module_names.push_back("test_mod" + kstd::to_string(i)); + m_module_data.emplace_back(module_size, std::byte{static_cast(0x40 + (i % 16))}); } for (std::size_t i = 0; i < module_count; ++i) { - registry.add_boot_module(kapi::boot_modules::boot_module{ - module_names[i], kapi::memory::linear_address{module_data[i].data()}, module_data[i].size()}); + m_registry.add_boot_module(kapi::boot_modules::boot_module{ + m_module_names[i].view(), kapi::memory::linear_address{m_module_data[i].data()}, m_module_data[i].size()}); + } + + kapi::boot_modules::set_boot_module_registry(m_registry); + kernel::devices::storage::management::init(); + } + + auto storage_boot_module_fixture::setup_modules_from_img(kstd::vector const & module_names, + kstd::vector const & img_paths) + -> void + { + m_module_names.clear(); + m_module_data.clear(); + m_registry = {}; + + if (module_names.size() != img_paths.size()) + { + throw std::invalid_argument{"Module names and image paths vectors must have the same size."}; + } + + for (size_t i = 0; i < module_names.size(); ++i) + { + setup_module_from_img(module_names[i], img_paths[i]); } - kapi::boot_modules::set_boot_module_registry(registry); + kapi::boot_modules::set_boot_module_registry(m_registry); kernel::devices::storage::management::init(); } + + auto storage_boot_module_fixture::setup_module_from_img(kstd::string const & module_name, + std::filesystem::path const & img_path) -> void + { + auto file = std::ifstream{img_path, std::ios::binary | std::ios::ate}; + if (!file) + { + throw std::runtime_error{"Failed to open image file for test boot module: " + img_path.string()}; + } + + auto const end_pos = file.tellg(); + if (end_pos < 0) + { + throw std::runtime_error{"Failed to determine image file size for test boot module: " + img_path.string()}; + } + + auto const size = static_cast(end_pos); + file.seekg(0, std::ios::beg); + + m_module_names.push_back(module_name); + m_module_data.emplace_back(size); + + if (size > 0) + { + file.read(reinterpret_cast(m_module_data.back().data()), static_cast(size)); + if (!file) + { + throw std::runtime_error{"Failed to read image file content for test boot module: " + img_path.string()}; + } + } + + m_registry.add_boot_module(kapi::boot_modules::boot_module{ + m_module_names.back().view(), kapi::memory::linear_address{m_module_data.back().data()}, + m_module_data.back().size()}); + } } // namespace kernel::tests::filesystem \ No newline at end of file diff --git a/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp b/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp new file mode 100644 index 0000000..cba7278 --- /dev/null +++ b/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp @@ -0,0 +1,32 @@ +#include "kernel/test_support/filesystem/storage_boot_module_vfs_fixture.hpp" + +#include "kernel/filesystem/vfs.hpp" +#include "kernel/test_support/filesystem/vfs.hpp" + +#include +#include + +#include +#include + +namespace kernel::tests::filesystem +{ + storage_boot_module_vfs_fixture::~storage_boot_module_vfs_fixture() + { + kernel::tests::filesystem::vfs::deinit(); + } + + auto storage_boot_module_vfs_fixture::setup_modules_and_init_vfs(std::size_t module_count, std::size_t module_size) + -> void + { + setup_modules(module_count, module_size); + kernel::filesystem::vfs::init(); + } + + auto storage_boot_module_vfs_fixture::setup_modules_from_img_and_init_vfs( + kstd::vector const & module_names, kstd::vector const & img_paths) -> void + { + setup_modules_from_img(module_names, img_paths); + kernel::filesystem::vfs::init(); + } +} // namespace kernel::tests::filesystem \ No newline at end of file diff --git a/kernel/src/test_support/filesystem/test_assets/ext2_1KB_fs.img b/kernel/src/test_support/filesystem/test_assets/ext2_1KB_fs.img new file mode 100644 index 0000000..9f1ee4a --- /dev/null +++ b/kernel/src/test_support/filesystem/test_assets/ext2_1KB_fs.img @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:94d3988bc309eb9e81f06042c72bf4c4fb5991cd7fdd597eb00c518a96c792d8 +size 10485760 diff --git a/kernel/src/test_support/filesystem/test_assets/ext2_2KB_fs.img b/kernel/src/test_support/filesystem/test_assets/ext2_2KB_fs.img new file mode 100644 index 0000000..1880911 --- /dev/null +++ b/kernel/src/test_support/filesystem/test_assets/ext2_2KB_fs.img @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:9a13da5abb9c65c737105b1da0d4344c7cd7604c7952c762c4f4e3d3f96fd42d +size 5242880 diff --git a/kernel/src/test_support/filesystem/test_assets/ext2_4KB_fs.img b/kernel/src/test_support/filesystem/test_assets/ext2_4KB_fs.img new file mode 100644 index 0000000..3aaceb8 --- /dev/null +++ b/kernel/src/test_support/filesystem/test_assets/ext2_4KB_fs.img @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:4ce6a1aea277906e1af6de223c017ff900b96569f076b4d99fc04eaa1ee986f4 +size 10485760 -- cgit v1.2.3