test_fs.cpp
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#include "crucible/unix/fs.hpp"
#include "crucible/testing/expect.inl"
#include "crucible/testing/suite.inl"
#include "crucible/unix/errors.hpp"
#include <set>
namespace crucible::unix::test_fs {
std::string const NONEXISTENT_DIRECTORY_PATH = "this/directory/definitely/does/not/exist";
std::string const NONEXISTENT_FILE_PATH = "this/file/definitely/does/not/exist.txt";
std::string const TEST_DIRECTORY_NAME = "test_directory";
std::string const TEST_FILE_NAME = "test_file.txt";
std::string const SEPARATOR = "/";
std::vector<std::byte> const TEST_FILE_DATA = {
std::byte { 'f' }, std::byte { 'o' }, std::byte { 'o' }, std::byte { '\n' },
std::byte { 'b' }, std::byte { 'a' }, std::byte { 'r' }, std::byte { '\n' },
std::byte { 'b' }, std::byte { 'a' }, std::byte { 'z' }, std::byte { '\n' },
};
std::set<fs::FilePermission> const TEST_DIRECTORY_PERMISSIONS {
fs::FilePermission::OwnerCanRead,
fs::FilePermission::OwnerCanWrite,
fs::FilePermission::OwnerCanExecute,
fs::FilePermission::GroupCanRead,
fs::FilePermission::GroupCanExecute,
fs::FilePermission::WorldCanRead,
fs::FilePermission::WorldCanExecute,
};
std::set<fs::FilePermission> const TEST_FILE_PERMISSIONS {
fs::FilePermission::OwnerCanRead,
fs::FilePermission::OwnerCanWrite,
fs::FilePermission::GroupCanRead,
fs::FilePermission::WorldCanRead,
};
BEFORE_EACH(fs, create_file_structure) {
{
auto const result { fs::create_file(TEST_FILE_NAME, TEST_FILE_DATA, TEST_FILE_PERMISSIONS) };
EXPECT_RHS(result);
}
{
auto const result { fs::create_directory(TEST_DIRECTORY_NAME, TEST_DIRECTORY_PERMISSIONS) };
EXPECT_RHS(result);
}
{
auto const result { fs::create_file(TEST_DIRECTORY_NAME + SEPARATOR + TEST_FILE_NAME, TEST_FILE_DATA, TEST_FILE_PERMISSIONS) };
EXPECT_RHS(result);
}
}
AFTER_EACH(fs, delete_file_structure) {
{
auto const result { fs::delete_file(TEST_DIRECTORY_NAME + SEPARATOR + TEST_FILE_NAME) };
EXPECT_RHS(result);
}
{
auto const result { fs::delete_directory(TEST_DIRECTORY_NAME) };
EXPECT_RHS(result);
}
{
auto const result { fs::delete_file(TEST_FILE_NAME) };
EXPECT_RHS(result);
}
}
SCENARIO(fs, create_directory_in_nonexistent_directory_fails) {
auto const result { fs::create_directory(NONEXISTENT_DIRECTORY_PATH, TEST_DIRECTORY_PERMISSIONS) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::MkdirFailed>());
}
SCENARIO(fs, create_directory_fails_if_exists) {
{
auto const result { fs::is_directory(TEST_DIRECTORY_NAME) };
EXPECT_RHS(result);
bool const already_exists { result.get_rhs() };
EXPECT(already_exists);
}
{
auto const result { fs::create_directory(TEST_DIRECTORY_NAME, TEST_DIRECTORY_PERMISSIONS) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::MkdirFailed>());
}
}
SCENARIO(fs, create_file_in_nonexistent_directory_fails) {
auto const result { fs::create_file(NONEXISTENT_FILE_PATH, TEST_FILE_DATA, TEST_FILE_PERMISSIONS) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::OpenFailed>());
}
SCENARIO(fs, create_file_fails_if_exists) {
{
auto const result { fs::is_file(TEST_FILE_NAME) };
EXPECT_RHS(result);
bool const already_exists { result.get_rhs() };
EXPECT(already_exists);
}
{
auto const result { fs::create_file(TEST_FILE_NAME, TEST_FILE_DATA, TEST_FILE_PERMISSIONS) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::OpenFailed>());
}
}
SCENARIO(fs, delete_nonexistent_directory_fails) {
auto const result { fs::delete_directory(NONEXISTENT_DIRECTORY_PATH) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::RmdirFailed>());
}
SCENARIO(fs, delete_nonexistent_file_fails) {
auto const result { fs::delete_file(NONEXISTENT_FILE_PATH) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::UnlinkFailed>());
}
SCENARIO(fs, read_nonexistent_directory_fails) {
auto const result { fs::read_directory_list(NONEXISTENT_DIRECTORY_PATH) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::OpendirFailed>());
}
SCENARIO(fs, read_nonexistent_file_fails) {
auto const result { fs::read_file_data(NONEXISTENT_FILE_PATH) };
EXPECT_LHS(result);
auto const error { result.get_lhs() };
EXPECT(error.is<errors::OpenFailed>());
}
SCENARIO(fs, read_directory_list) {
{
auto const result { fs::read_directory_list(TEST_DIRECTORY_NAME) };
EXPECT_RHS(result);
auto const &directory_listing { result.get_rhs() };
EXPECT_EQ(directory_listing.size(), 1);
EXPECT_EQ(directory_listing.at(0), TEST_FILE_NAME);
}
}
SCENARIO(fs, read_file_data) {
auto const result { fs::read_file_data(TEST_FILE_NAME) };
EXPECT_RHS(result);
auto const &data_from_disk { result.get_rhs() };
EXPECT_EQ(TEST_FILE_DATA, data_from_disk);
}
SCENARIO(fs, read_file_size) {
auto const result { fs::read_file_size(TEST_FILE_NAME) };
EXPECT_RHS(result);
auto const size_from_disk { result.get_rhs() };
EXPECT_EQ(size_from_disk, TEST_FILE_DATA.size());
}
}