test_fs.cpp
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#include "crucible/unix/fs.hpp"
#include "crucible/test/expect.hpp"
#include "crucible/test/scenario.hpp"
namespace crucible::unix::test_fs {
static std::string const TEST_DIRECTORY_NAME = "test_directory";
static std::string const TEST_FILE_NAME = "test_file.txt";
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'),
};
SCENARIO(fs_create_directory_in_nonexistent_directory_fails) {
auto const create_directory_result = fs::create_directory("this/directory/definitely/does/not/exist/" + TEST_DIRECTORY_NAME);
EXPECT_FAILURE(create_directory_result);
auto const error = create_directory_result.get_failure();
EXPECT(error.has_cause<fs::MkdirFailed>());
}
SCENARIO(fs_create_directory_fails_if_exists) {
{
auto const create_directory_result = fs::create_directory(TEST_DIRECTORY_NAME);
EXPECT_SUCCESS(create_directory_result);
}
{
auto const is_directory_result = fs::is_directory(TEST_DIRECTORY_NAME);
EXPECT_SUCCESS(is_directory_result);
bool const already_exists = is_directory_result.get_success();
EXPECT(already_exists);
}
{
auto const create_directory_result = fs::create_directory(TEST_DIRECTORY_NAME);
EXPECT_FAILURE(create_directory_result);
auto const error = create_directory_result.get_failure();
EXPECT(error.has_cause<fs::MkdirFailed>());
}
{
auto const delete_directory_result = fs::delete_directory(TEST_DIRECTORY_NAME);
EXPECT_SUCCESS(delete_directory_result);
}
}
SCENARIO(fs_create_file_in_nonexistent_directory_fails) {
auto const create_file_result = fs::create_file("this/directory/definitely/does/not/exist/" + TEST_FILE_NAME, TEST_FILE_DATA);
EXPECT_FAILURE(create_file_result);
auto const error = create_file_result.get_failure();
EXPECT(error.has_cause<fs::OpenFailed>());
}
SCENARIO(fs_create_file_fails_if_exists) {
{
auto const create_file_result = fs::create_file(TEST_FILE_NAME, TEST_FILE_DATA);
EXPECT_SUCCESS(create_file_result);
}
{
auto const is_file_result = fs::is_file(TEST_FILE_NAME);
EXPECT_SUCCESS(is_file_result);
bool const already_exists = is_file_result.get_success();
EXPECT(already_exists);
}
{
auto const create_file_result = fs::create_file(TEST_FILE_NAME, TEST_FILE_DATA);
EXPECT_FAILURE(create_file_result);
auto const error = create_file_result.get_failure();
EXPECT(error.has_cause<fs::OpenFailed>());
}
{
auto const delete_file_result = fs::delete_file(TEST_FILE_NAME);
EXPECT_SUCCESS(delete_file_result);
}
}
SCENARIO(fs_delete_nonexistent_directory_fails) {
auto const delete_directory_result = fs::delete_directory(TEST_DIRECTORY_NAME);
EXPECT_FAILURE(delete_directory_result);
auto const error = delete_directory_result.get_failure();
EXPECT(error.has_cause<fs::RmdirFailed>());
}
SCENARIO(fs_delete_nonexistent_file_fails) {
auto const delete_file_result = fs::delete_file(TEST_FILE_NAME);
EXPECT_FAILURE(delete_file_result);
auto const error = delete_file_result.get_failure();
EXPECT(error.has_cause<fs::UnlinkFailed>());
}
SCENARIO(fs_read_nonexistent_directory_fails) {
auto const read_directory_result = fs::read_directory(TEST_DIRECTORY_NAME);
EXPECT_FAILURE(read_directory_result);
auto const error = read_directory_result.get_failure();
EXPECT(error.has_cause<fs::OpenDirFailed>());
}
SCENARIO(fs_read_nonexistent_file_fails) {
auto const read_file_data_result = fs::read_file_data(TEST_FILE_NAME);
EXPECT_FAILURE(read_file_data_result);
auto const error = read_file_data_result.get_failure();
EXPECT(error.has_cause<fs::OpenFailed>());
}
SCENARIO(fs_create_read_delete_directory) {
{
auto const create_directory_result = fs::create_directory(TEST_DIRECTORY_NAME);
EXPECT_SUCCESS(create_directory_result);
}
{
auto const create_file_result = fs::create_file(TEST_DIRECTORY_NAME + "/" + TEST_FILE_NAME, TEST_FILE_DATA);
EXPECT_SUCCESS(create_file_result);
}
{
auto const read_directory_result = fs::read_directory(TEST_DIRECTORY_NAME);
EXPECT_SUCCESS(read_directory_result);
auto const &directory_listing = read_directory_result.get_success();
EXPECT(directory_listing.size() == 1);
EXPECT(directory_listing.at(0) == TEST_FILE_NAME);
}
{
auto const delete_file_result = fs::delete_file(TEST_DIRECTORY_NAME + "/" + TEST_FILE_NAME);
EXPECT_SUCCESS(delete_file_result);
}
{
auto const delete_directory_result = fs::delete_directory(TEST_DIRECTORY_NAME);
EXPECT_SUCCESS(delete_directory_result);
}
}
SCENARIO(fs_create_read_delete_file) {
{
auto const create_file_result = fs::create_file(TEST_FILE_NAME, TEST_FILE_DATA);
EXPECT_SUCCESS(create_file_result);
}
{
auto const read_file_data_result = fs::read_file_data(TEST_FILE_NAME);
EXPECT_SUCCESS(read_file_data_result);
auto const &data_from_disk = read_file_data_result.get_success();
EXPECT(TEST_FILE_DATA == data_from_disk);
}
{
auto const read_file_size_result = fs::read_file_size(TEST_FILE_NAME);
EXPECT_SUCCESS(read_file_size_result);
auto const size_from_disk = read_file_size_result.get_success();
EXPECT(size_from_disk == TEST_FILE_DATA.size());
}
{
auto const delete_file_result = fs::delete_file(TEST_FILE_NAME);
EXPECT_SUCCESS(delete_file_result);
}
}
}