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#include "fstat.h"
#include "file.h"
#include "sysstat.h"
#include "fs.h"
#include <library/cpp/testing/unittest/registar.h>
#include <library/cpp/testing/unittest/tests_data.h>
#include <util/folder/path.h>
Y_UNIT_TEST_SUITE(TestFileStat) {
Y_UNIT_TEST(FileTest) {
TString fileName = "f1.txt";
TFileStat oFs;
{
TFile file(fileName.data(), OpenAlways | WrOnly);
file.Write("1234567", 7);
{
TFileStat fs(file);
UNIT_ASSERT(fs.IsFile());
UNIT_ASSERT(!fs.IsDir());
UNIT_ASSERT(!fs.IsSymlink());
UNIT_ASSERT_VALUES_EQUAL(file.GetLength(), (i64)fs.Size);
UNIT_ASSERT(fs.MTime >= fs.CTime);
UNIT_ASSERT(fs.NLinks == 1);
oFs = fs;
}
UNIT_ASSERT(file.IsOpen());
UNIT_ASSERT_VALUES_EQUAL(file.GetLength(), 7);
file.Close();
}
TFileStat cFs(fileName);
UNIT_ASSERT(cFs.IsFile());
UNIT_ASSERT(!cFs.IsDir());
UNIT_ASSERT(!cFs.IsSymlink());
UNIT_ASSERT_VALUES_EQUAL(cFs.Size, oFs.Size);
UNIT_ASSERT(cFs.MTime >= oFs.MTime);
UNIT_ASSERT_VALUES_EQUAL(cFs.CTime, oFs.CTime);
UNIT_ASSERT_VALUES_EQUAL(cFs.NLinks, oFs.NLinks);
UNIT_ASSERT_VALUES_EQUAL(cFs.Mode, oFs.Mode);
UNIT_ASSERT_VALUES_EQUAL(cFs.Uid, oFs.Uid);
UNIT_ASSERT_VALUES_EQUAL(cFs.Gid, oFs.Gid);
UNIT_ASSERT_VALUES_EQUAL(cFs.INode, oFs.INode);
UNIT_ASSERT(unlink(fileName.data()) == 0);
}
Y_UNIT_TEST(DirTest) {
Mkdir("tmpd", MODE0777);
TFileStat fs("tmpd");
UNIT_ASSERT(!fs.IsFile());
UNIT_ASSERT(fs.IsDir());
UNIT_ASSERT(!fs.IsSymlink());
// UNIT_ASSERT(fs.Size == 0); // it fails under unix
UNIT_ASSERT(NFs::Remove("tmpd"));
fs = TFileStat("tmpd");
UNIT_ASSERT(!fs.IsFile());
UNIT_ASSERT(!fs.IsDir());
UNIT_ASSERT(!fs.IsSymlink());
UNIT_ASSERT(fs.Size == 0);
UNIT_ASSERT(fs.CTime == 0);
}
#ifdef _win_
// Symlinks require additional privileges on windows.
// Skip test if we are not allowed to create one.
// Wine returns true from NFs::SymLink, but actually does nothing
#define SAFE_SYMLINK(target, link) \
do { \
auto res = NFs::SymLink(target, link); \
if (!res) { \
auto err = LastSystemError(); \
Cerr << "can't create symlink: " << LastSystemErrorText(err) << Endl; \
UNIT_ASSERT(err == ERROR_PRIVILEGE_NOT_HELD); \
return; \
} \
if (!NFs::Exists(link) && IsWine()) { \
Cerr << "wine does not support symlinks" << Endl; \
return; \
} \
} while (false)
bool IsWine() {
HKEY subKey = nullptr;
LONG result = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Wine", 0, KEY_READ, &subKey);
if (result == ERROR_SUCCESS) {
return true;
}
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Wine", 0, KEY_READ, &subKey);
if (result == ERROR_SUCCESS) {
return true;
}
HMODULE hntdll = GetModuleHandle("ntdll.dll");
if (!hntdll) {
return false;
}
auto func = GetProcAddress(hntdll, "wine_get_version");
return func != nullptr;
}
#else
#define SAFE_SYMLINK(target, link) UNIT_ASSERT(NFs::SymLink(target, link))
#endif
Y_UNIT_TEST(SymlinkToExistingFileTest) {
const auto path = GetOutputPath() / "file_1";
const auto link = GetOutputPath() / "symlink_1";
TFile(path, EOpenModeFlag::CreateNew | EOpenModeFlag::RdWr);
SAFE_SYMLINK(path, link);
const TFileStat statNoFollow(link, false);
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsNull(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(true, statNoFollow.IsFile(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsSymlink(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsDir(), ToString(statNoFollow.Mode));
const TFileStat statFollow(link, true);
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsNull(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsFile(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(true, statFollow.IsSymlink(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsDir(), ToString(statFollow.Mode));
}
Y_UNIT_TEST(SymlinkToNonExistingFileTest) {
const auto path = GetOutputPath() / "file_2";
const auto link = GetOutputPath() / "symlink_2";
SAFE_SYMLINK(path, link);
const TFileStat statNoFollow(link, false);
UNIT_ASSERT_VALUES_EQUAL_C(true, statNoFollow.IsNull(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsFile(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsSymlink(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsDir(), ToString(statNoFollow.Mode));
const TFileStat statFollow(link, true);
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsNull(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsFile(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(true, statFollow.IsSymlink(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsDir(), ToString(statFollow.Mode));
}
Y_UNIT_TEST(SymlinkToFileThatCantExistTest) {
const auto path = TFsPath("/path") / "that" / "does" / "not" / "exists";
const auto link = GetOutputPath() / "symlink_3";
SAFE_SYMLINK(path, link);
const TFileStat statNoFollow(link, false);
UNIT_ASSERT_VALUES_EQUAL_C(true, statNoFollow.IsNull(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsFile(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsSymlink(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsDir(), ToString(statNoFollow.Mode));
const TFileStat statFollow(link, true);
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsNull(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsFile(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(true, statFollow.IsSymlink(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsDir(), ToString(statFollow.Mode));
}
Y_UNIT_TEST(FileDoesNotExistTest) {
const auto path = TFsPath("/path") / "that" / "does" / "not" / "exists";
const TFileStat statNoFollow(path, false);
UNIT_ASSERT_VALUES_EQUAL_C(true, statNoFollow.IsNull(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsFile(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsSymlink(), ToString(statNoFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statNoFollow.IsDir(), ToString(statNoFollow.Mode));
const TFileStat statFollow(path, true);
UNIT_ASSERT_VALUES_EQUAL_C(true, statFollow.IsNull(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsFile(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsSymlink(), ToString(statFollow.Mode));
UNIT_ASSERT_VALUES_EQUAL_C(false, statFollow.IsDir(), ToString(statFollow.Mode));
}
Y_UNIT_TEST(ChmodTest) {
const TString fileName = "m.txt";
TFile file(fileName.c_str(), OpenAlways | WrOnly);
file.Write("1", 1);
file.Close();
const TFileStat statDefault(fileName);
UNIT_ASSERT(Chmod(fileName.c_str(), statDefault.Mode) == 0);
const TFileStat statUnchanged(fileName);
UNIT_ASSERT_VALUES_EQUAL(statDefault.Mode, statUnchanged.Mode);
UNIT_ASSERT(Chmod(fileName.c_str(), S_IRUSR | S_IRGRP | S_IROTH) == 0);
const TFileStat statReadOnly(fileName);
UNIT_ASSERT_VALUES_UNEQUAL(statDefault.Mode, statReadOnly.Mode);
UNIT_ASSERT(Chmod(fileName.c_str(), statReadOnly.Mode) == 0);
UNIT_ASSERT_VALUES_EQUAL(statReadOnly.Mode, TFileStat(fileName).Mode);
UNIT_ASSERT(Chmod(fileName.c_str(), statDefault.Mode) == 0);
UNIT_ASSERT(unlink(fileName.c_str()) == 0);
}
#ifdef _win_
Y_UNIT_TEST(WinArchiveDirectoryTest) {
TFsPath dir = "archive_dir";
dir.MkDirs();
SetFileAttributesA(dir.c_str(), FILE_ATTRIBUTE_ARCHIVE);
const TFileStat stat(dir);
UNIT_ASSERT(stat.IsDir());
UNIT_ASSERT(!stat.IsSymlink());
UNIT_ASSERT(!stat.IsFile());
UNIT_ASSERT(!stat.IsNull());
}
Y_UNIT_TEST(WinArchiveFileTest) {
TFsPath filename = "archive_file";
TFile file(filename, OpenAlways | WrOnly);
file.Write("1", 1);
file.Close();
SetFileAttributesA(filename.c_str(), FILE_ATTRIBUTE_ARCHIVE);
const TFileStat stat(filename);
UNIT_ASSERT(!stat.IsDir());
UNIT_ASSERT(!stat.IsSymlink());
UNIT_ASSERT(stat.IsFile());
UNIT_ASSERT(!stat.IsNull());
}
#endif
} // Y_UNIT_TEST_SUITE(TestFileStat)
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