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transmission/tests/libtransmission/file-test.cc

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// This file Copyright (C) 2013-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include <array>
#include <cstring>
#include <ostream>
#include <string>
#include <string_view>
#ifndef _WIN32
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#else
#include <windows.h>
#endif
#include "transmission.h"
#include "error.h"
#include "file.h"
#include "tr-macros.h"
#include "test-fixtures.h"
#if !defined(__OpenBSD__)
#define HAVE_UNIFIED_BUFFER_CACHE
#endif
#ifndef _WIN32
#define NATIVE_PATH_SEP "/"
#else
#define NATIVE_PATH_SEP "\\"
#endif
using namespace std::literals;
namespace libtransmission
{
namespace test
{
class FileTest : public SessionTest
{
protected:
auto createTestDir(std::string const& child_name)
{
auto test_dir = tr_strvPath(tr_sessionGetConfigDir(session_), child_name);
tr_sys_dir_create(std::data(test_dir), 0, 0777);
return test_dir;
}
static bool createSymlink(char const* dst_path, char const* src_path, [[maybe_unused]] bool dst_is_dir)
{
#ifndef _WIN32
return symlink(src_path, dst_path) != -1;
#else
wchar_t* wide_src_path = tr_win32_utf8_to_native(src_path, -1);
wchar_t* wide_dst_path = tr_win32_utf8_to_native(dst_path, -1);
auto const ret = CreateSymbolicLinkW(wide_dst_path, wide_src_path, dst_is_dir ? SYMBOLIC_LINK_FLAG_DIRECTORY : 0);
tr_free(wide_dst_path);
tr_free(wide_src_path);
return ret;
#endif
}
static bool createHardlink(char const* dst_path, char const* src_path)
{
#ifndef _WIN32
return link(src_path, dst_path) != -1;
#else
wchar_t* wide_src_path = tr_win32_utf8_to_native(src_path, -1);
wchar_t* wide_dst_path = tr_win32_utf8_to_native(dst_path, -1);
auto const ret = CreateHardLinkW(wide_dst_path, wide_src_path, nullptr);
tr_free(wide_dst_path);
tr_free(wide_src_path);
return ret;
#endif
}
static void clearPathInfo(tr_sys_path_info* info)
{
*info = {};
}
static bool pathContainsNoSymlinks(char const* path)
{
char const* p = path;
while (*p != '\0')
{
tr_sys_path_info info;
char const* slash_pos = strchr(p, '/');
#ifdef _WIN32
char const* backslash_pos = strchr(p, '\\');
if (slash_pos == nullptr || (backslash_pos != nullptr && backslash_pos < slash_pos))
{
slash_pos = backslash_pos;
}
#endif
if (slash_pos == nullptr)
{
slash_pos = p + strlen(p) - 1;
}
auto const path_part = std::string{ path, size_t(slash_pos - path + 1) };
if (!tr_sys_path_get_info(path_part.c_str(), TR_SYS_PATH_NO_FOLLOW, &info) ||
(info.type != TR_SYS_PATH_IS_FILE && info.type != TR_SYS_PATH_IS_DIRECTORY))
{
return false;
}
p = slash_pos + 1;
}
return true;
}
static bool validatePermissions([[maybe_unused]] char const* path, [[maybe_unused]] unsigned int permissions)
{
#ifndef _WIN32
struct stat sb = {};
return stat(path, &sb) != -1 && (sb.st_mode & 0777) == permissions;
#else
/* No UNIX permissions on Windows */
return true;
#endif
}
struct XnameTestData
{
char const* input;
char const* output;
};
static void testPathXname(XnameTestData const* data, size_t data_size, std::string (*func)(std::string_view, tr_error**))
{
for (size_t i = 0; i < data_size; ++i)
{
tr_error* err = nullptr;
auto const name = func(data[i].input, &err);
if (data[i].output != nullptr)
{
EXPECT_NE(""sv, name);
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(data[i].output, name);
}
else
{
EXPECT_EQ(""sv, name);
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
}
}
}
static void testDirReadImpl(std::string const& path, bool* have1, bool* have2)
{
*have1 = *have2 = false;
tr_error* err = nullptr;
auto dd = tr_sys_dir_open(path.c_str(), &err);
EXPECT_NE(TR_BAD_SYS_DIR, dd);
EXPECT_EQ(nullptr, err) << *err;
char const* name;
while ((name = tr_sys_dir_read_name(dd, &err)) != nullptr)
{
EXPECT_EQ(nullptr, err) << *err;
if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)
{
continue;
}
if (strcmp(name, "a") == 0)
{
*have1 = true;
}
else if (strcmp(name, "b") == 0)
{
*have2 = true;
}
else
{
FAIL();
}
}
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_dir_close(dd, &err));
EXPECT_EQ(nullptr, err) << *err;
}
};
TEST_F(FileTest, getInfo)
{
auto const test_dir = createTestDir(currentTestName());
tr_sys_path_info info;
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const path2 = tr_strvPath(test_dir, "b"sv);
// Can't get info of non-existent file/directory
tr_error* err = nullptr;
EXPECT_FALSE(tr_sys_path_get_info(path1.c_str(), 0, &info, &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
auto t = time(nullptr);
createFileWithContents(path1, "test");
// Good file info
clearPathInfo(&info);
EXPECT_TRUE(tr_sys_path_get_info(path1.c_str(), 0, &info, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(TR_SYS_PATH_IS_FILE, info.type);
EXPECT_EQ(4, info.size);
EXPECT_GE(info.last_modified_at, t - 1);
EXPECT_LE(info.last_modified_at, time(nullptr) + 1);
// Good file info (by handle)
auto fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ, 0);
clearPathInfo(&info);
EXPECT_TRUE(tr_sys_file_get_info(fd, &info, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(TR_SYS_PATH_IS_FILE, info.type);
EXPECT_EQ(4, info.size);
EXPECT_GE(info.last_modified_at, t - 1);
EXPECT_LE(info.last_modified_at, time(nullptr) + 1);
tr_sys_file_close(fd);
tr_sys_path_remove(path1.c_str());
// Good directory info
t = time(nullptr);
tr_sys_dir_create(path1.c_str(), 0, 0777);
clearPathInfo(&info);
EXPECT_TRUE(tr_sys_path_get_info(path1.c_str(), 0, &info, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(TR_SYS_PATH_IS_DIRECTORY, info.type);
EXPECT_NE(uint64_t(-1), info.size);
EXPECT_GE(info.last_modified_at, t - 1);
EXPECT_LE(info.last_modified_at, time(nullptr) + 1);
tr_sys_path_remove(path1.c_str());
if (createSymlink(path1.c_str(), path2.c_str(), false))
{
// Can't get info of non-existent file/directory
EXPECT_FALSE(tr_sys_path_get_info(path1.c_str(), 0, &info, &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
t = time(nullptr);
createFileWithContents(path2, "test");
// Good file info
clearPathInfo(&info);
EXPECT_TRUE(tr_sys_path_get_info(path1.c_str(), 0, &info, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(TR_SYS_PATH_IS_FILE, info.type);
EXPECT_EQ(4, info.size);
EXPECT_GE(info.last_modified_at, t - 1);
EXPECT_LE(info.last_modified_at, time(nullptr) + 1);
// Good file info (by handle)
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ, 0);
clearPathInfo(&info);
EXPECT_TRUE(tr_sys_file_get_info(fd, &info, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(TR_SYS_PATH_IS_FILE, info.type);
EXPECT_EQ(4, info.size);
EXPECT_GE(info.last_modified_at, t - 1);
EXPECT_LE(info.last_modified_at, time(nullptr) + 1);
tr_sys_file_close(fd);
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
// Good directory info
t = time(nullptr);
tr_sys_dir_create(path2.c_str(), 0, 0777);
EXPECT_TRUE(createSymlink(path1.c_str(), path2.c_str(), true)); /* Win32: directory and file symlinks differ :( */
clearPathInfo(&info);
EXPECT_TRUE(tr_sys_path_get_info(path1.c_str(), 0, &info, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(TR_SYS_PATH_IS_DIRECTORY, info.type);
EXPECT_NE(uint64_t(-1), info.size);
EXPECT_GE(info.last_modified_at, t - 1);
EXPECT_LE(info.last_modified_at, time(nullptr) + 1);
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run symlink tests\n", __FUNCTION__);
}
}
TEST_F(FileTest, pathExists)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir.data(), "a"sv);
auto const path2 = tr_strvPath(test_dir.data(), "b"sv);
// Non-existent file does not exist
tr_error* err = nullptr;
EXPECT_FALSE(tr_sys_path_exists(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
// Create file and see that it exists
createFileWithContents(path1, "test");
EXPECT_TRUE(tr_sys_path_exists(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path1.c_str());
// Create directory and see that it exists
tr_sys_dir_create(path1.c_str(), 0, 0777);
EXPECT_TRUE(tr_sys_path_exists(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path1.c_str());
if (createSymlink(path1.c_str(), path2.c_str(), false))
{
// Non-existent file does not exist (via symlink)
EXPECT_FALSE(tr_sys_path_exists(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
// Create file and see that it exists (via symlink)
createFileWithContents(path2, "test");
EXPECT_TRUE(tr_sys_path_exists(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
/* Create directory and see that it exists (via symlink) */
tr_sys_dir_create(path2.c_str(), 0, 0777);
EXPECT_TRUE(createSymlink(path1.c_str(), path2.c_str(), true)); /* Win32: directory and file symlinks differ :( */
EXPECT_TRUE(tr_sys_path_exists(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run symlink tests\n", __FUNCTION__);
}
}
TEST_F(FileTest, pathIsRelative)
{
EXPECT_TRUE(tr_sys_path_is_relative(""));
EXPECT_TRUE(tr_sys_path_is_relative("."));
EXPECT_TRUE(tr_sys_path_is_relative(".."));
EXPECT_TRUE(tr_sys_path_is_relative("x"));
EXPECT_TRUE(tr_sys_path_is_relative("\\"));
EXPECT_TRUE(tr_sys_path_is_relative(":"));
#ifdef _WIN32
EXPECT_TRUE(tr_sys_path_is_relative("/"));
EXPECT_TRUE(tr_sys_path_is_relative("\\x"));
EXPECT_TRUE(tr_sys_path_is_relative("/x"));
EXPECT_TRUE(tr_sys_path_is_relative("\\x\\y"));
EXPECT_TRUE(tr_sys_path_is_relative("/x/y"));
EXPECT_TRUE(tr_sys_path_is_relative("C:x"));
EXPECT_TRUE(tr_sys_path_is_relative("C:x\\y"));
EXPECT_TRUE(tr_sys_path_is_relative("C:x/y"));
EXPECT_FALSE(tr_sys_path_is_relative("\\\\"));
EXPECT_FALSE(tr_sys_path_is_relative("//"));
EXPECT_FALSE(tr_sys_path_is_relative("\\\\x"));
EXPECT_FALSE(tr_sys_path_is_relative("//x"));
EXPECT_FALSE(tr_sys_path_is_relative("\\\\x\\y"));
EXPECT_FALSE(tr_sys_path_is_relative("//x/y"));
EXPECT_FALSE(tr_sys_path_is_relative("\\\\.\\x"));
EXPECT_FALSE(tr_sys_path_is_relative("//./x"));
EXPECT_FALSE(tr_sys_path_is_relative("a:"));
EXPECT_FALSE(tr_sys_path_is_relative("a:\\"));
EXPECT_FALSE(tr_sys_path_is_relative("a:/"));
EXPECT_FALSE(tr_sys_path_is_relative("Z:"));
EXPECT_FALSE(tr_sys_path_is_relative("Z:\\"));
EXPECT_FALSE(tr_sys_path_is_relative("Z:/"));
#else /* _WIN32 */
EXPECT_FALSE(tr_sys_path_is_relative("/"));
EXPECT_FALSE(tr_sys_path_is_relative("/x"));
EXPECT_FALSE(tr_sys_path_is_relative("/x/y"));
EXPECT_FALSE(tr_sys_path_is_relative("//x"));
#endif /* _WIN32 */
}
TEST_F(FileTest, pathIsSame)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const path2 = tr_strvPath(test_dir, "b"sv);
auto path3 = tr_strvPath(path2, "c"sv);
/* Two non-existent files are not the same */
tr_error* err = nullptr;
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Two same files are the same */
createFileWithContents(path1, "test");
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Existent and non-existent files are not the same */
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path2.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Two separate files (even with same content) are not the same */
createFileWithContents(path2, "test");
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path1.c_str());
/* Two same directories are the same */
tr_sys_dir_create(path1.c_str(), 0, 0777);
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* File and directory are not the same */
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path2.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
/* Two separate directories are not the same */
tr_sys_dir_create(path2.c_str(), 0, 0777);
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path1.c_str());
tr_sys_path_remove(path2.c_str());
if (createSymlink(path1.c_str(), ".", true))
{
/* Directory and symlink pointing to it are the same */
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), test_dir.data(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_path_is_same(test_dir.data(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Non-existent file and symlink are not the same */
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path2.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Symlinks pointing to different directories are not the same */
createSymlink(path2.c_str(), "..", true);
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path2.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
/* Symlinks pointing to same directory are the same */
createSymlink(path2.c_str(), ".", true);
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
/* Directory and symlink pointing to another directory are not the same */
tr_sys_dir_create(path2.c_str(), 0, 0777);
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path2.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Symlinks pointing to same directory are the same */
createSymlink(path3.c_str(), "..", true);
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path1.c_str());
/* File and symlink pointing to directory are not the same */
createFileWithContents(path1, "test");
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path3.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path3.c_str());
/* File and symlink pointing to same file are the same */
createSymlink(path3.c_str(), path1.c_str(), false);
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_path_is_same(path3.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Symlinks pointing to non-existent files are not the same */
tr_sys_path_remove(path1.c_str());
createSymlink(path1.c_str(), "missing", false);
tr_sys_path_remove(path3.c_str());
createSymlink(path3.c_str(), "missing", false);
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path3.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path3.c_str());
/* Symlinks pointing to same non-existent file are not the same */
createSymlink(path3.c_str(), ".." NATIVE_PATH_SEP "missing", false);
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path3.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Non-existent file and symlink pointing to non-existent file are not the same */
tr_sys_path_remove(path3.c_str());
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path3.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run symlink tests\n", __FUNCTION__);
}
path3 = tr_strvPath(test_dir, "c"sv);
createFileWithContents(path1, "test");
if (createHardlink(path2.c_str(), path1.c_str()))
{
/* File and hardlink to it are the same */
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
/* Two hardlinks to the same file are the same */
createHardlink(path3.c_str(), path2.c_str());
EXPECT_TRUE(tr_sys_path_is_same(path2.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path3.c_str());
/* File and hardlink to another file are not the same */
createFileWithContents(path3, "test");
createHardlink(path2.c_str(), path3.c_str());
EXPECT_FALSE(tr_sys_path_is_same(path1.c_str(), path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_is_same(path2.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path3.c_str());
tr_sys_path_remove(path2.c_str());
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run hardlink tests\n", __FUNCTION__);
}
if (createSymlink(path2.c_str(), path1.c_str(), false) && createHardlink(path3.c_str(), path1.c_str()))
{
EXPECT_TRUE(tr_sys_path_is_same(path2.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run combined symlink and hardlink tests\n", __FUNCTION__);
}
tr_sys_path_remove(path3.c_str());
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, pathResolve)
{
auto const test_dir = createTestDir(currentTestName());
tr_error* err = nullptr;
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const path2 = tr_strvPath(test_dir, "b"sv);
createFileWithContents(path1, "test");
if (createSymlink(path2.c_str(), path1.c_str(), false))
{
auto tmp = makeString(tr_sys_path_resolve(path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(pathContainsNoSymlinks(tmp.c_str()));
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
tr_sys_dir_create(path1.c_str(), 0, 0755);
EXPECT_TRUE(createSymlink(path2.c_str(), path1.c_str(), true)); /* Win32: directory and file symlinks differ :( */
tmp = makeString(tr_sys_path_resolve(path2.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(pathContainsNoSymlinks(tmp.c_str()));
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run symlink tests\n", __FUNCTION__);
}
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
#ifdef _WIN32
{
char* tmp;
tmp = tr_sys_path_resolve("\\\\127.0.0.1\\NonExistent", &err);
EXPECT_EQ(nullptr, tmp);
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
tmp = tr_sys_path_resolve("\\\\127.0.0.1\\ADMIN$\\NonExistent", &err);
EXPECT_EQ(nullptr, tmp);
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
tmp = tr_sys_path_resolve("\\\\127.0.0.1\\ADMIN$\\System32", &err);
EXPECT_STREQ("\\\\127.0.0.1\\ADMIN$\\System32", tmp);
EXPECT_EQ(nullptr, err) << *err;
tr_free(tmp);
}
#endif
}
TEST_F(FileTest, pathBasenameDirname)
{
auto const common_xname_tests = std::vector<XnameTestData>{
XnameTestData{ "/", "/" },
{ "", "." },
#ifdef _WIN32
{ "\\", "/" },
/* Invalid paths */
{ "\\\\\\", nullptr },
{ "123:", nullptr },
/* Reserved characters */
{ "<", nullptr },
{ ">", nullptr },
{ ":", nullptr },
{ "\"", nullptr },
{ "|", nullptr },
{ "?", nullptr },
{ "*", nullptr },
{ "a\\<", nullptr },
{ "a\\>", nullptr },
{ "a\\:", nullptr },
{ "a\\\"", nullptr },
{ "a\\|", nullptr },
{ "a\\?", nullptr },
{ "a\\*", nullptr },
{ "c:\\a\\b<c\\d", nullptr },
{ "c:\\a\\b>c\\d", nullptr },
{ "c:\\a\\b:c\\d", nullptr },
{ "c:\\a\\b\"c\\d", nullptr },
{ "c:\\a\\b|c\\d", nullptr },
{ "c:\\a\\b?c\\d", nullptr },
{ "c:\\a\\b*c\\d", nullptr },
#else
{ "////", "/" },
#endif
};
testPathXname(common_xname_tests.data(), common_xname_tests.size(), tr_sys_path_basename);
testPathXname(common_xname_tests.data(), common_xname_tests.size(), tr_sys_path_dirname);
auto const basename_tests = std::vector<XnameTestData>{
XnameTestData{ "a", "a" },
{ "aa", "aa" },
{ "/aa", "aa" },
{ "/a/b/c", "c" },
{ "/a/b/c/", "c" },
#ifdef _WIN32
{ "c:\\a\\b\\c", "c" },
{ "c:", "/" },
{ "c:/", "/" },
{ "c:\\", "/" },
{ "c:a/b", "b" },
{ "c:a", "a" },
{ "\\\\a\\b\\c", "c" },
{ "//a/b", "b" },
{ "//1.2.3.4/b", "b" },
{ "\\\\a", "a" },
{ "\\\\1.2.3.4", "1.2.3.4" },
{ "\\", "/" },
{ "\\a", "a" },
#endif
};
testPathXname(basename_tests.data(), basename_tests.size(), tr_sys_path_basename);
auto const dirname_tests = std::vector<XnameTestData>{
XnameTestData{ "/a/b/c", "/a/b" },
{ "a/b/c", "a/b" },
{ "a/b/c/", "a/b" },
{ "a", "." },
{ "a/", "." },
#ifdef _WIN32
{ "C:\\a/b\\c", "C:\\a/b" },
{ "C:\\a/b\\c\\", "C:\\a/b" },
{ "C:\\a/b", "C:\\a" },
{ "C:/a", "C:" },
{ "C:", "C:" },
{ "C:/", "C:" },
{ "C:\\", "C:" },
{ "c:a/b", "c:a" },
{ "c:a", "c:." },
{ "c:.", "c:." },
{ "\\\\a\\b\\c", "\\\\a\\b" },
{ "\\\\a\\b\\c/", "\\\\a\\b" },
{ "//a/b", "//a" },
{ "//1.2.3.4/b", "//1.2.3.4" },
{ "\\\\a", "\\\\" },
{ "\\\\1.2.3.4", "\\\\" },
{ "\\\\", "\\\\" },
{ "a/b\\c", "a/b" },
#endif
};
testPathXname(dirname_tests.data(), dirname_tests.size(), tr_sys_path_dirname);
/* TODO: is_same(dirname(x) + '/' + basename(x), x) */
}
TEST_F(FileTest, pathRename)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const path2 = tr_strvPath(test_dir, "b"sv);
auto path3 = tr_strvPath(path2, "c"sv);
createFileWithContents(path1, "test");
/* Preconditions */
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
EXPECT_FALSE(tr_sys_path_exists(path2.c_str()));
/* Forward rename works */
tr_error* err = nullptr;
EXPECT_TRUE(tr_sys_path_rename(path1.c_str(), path2.c_str(), &err));
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
EXPECT_TRUE(tr_sys_path_exists(path2.c_str()));
EXPECT_EQ(nullptr, err) << *err;
/* Backward rename works */
EXPECT_TRUE(tr_sys_path_rename(path2.c_str(), path1.c_str(), &err));
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
EXPECT_FALSE(tr_sys_path_exists(path2.c_str()));
EXPECT_EQ(nullptr, err) << *err;
/* Another backward rename [of non-existent file] does not work */
EXPECT_FALSE(tr_sys_path_rename(path2.c_str(), path1.c_str(), &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
/* Rename to file which couldn't be created does not work */
EXPECT_FALSE(tr_sys_path_rename(path1.c_str(), path3.c_str(), &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
/* Rename of non-existent file does not work */
EXPECT_FALSE(tr_sys_path_rename(path3.c_str(), path2.c_str(), &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
createFileWithContents(path2, "test");
/* Renaming file does overwrite existing file */
EXPECT_TRUE(tr_sys_path_rename(path2.c_str(), path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_dir_create(path2.c_str(), 0, 0777);
/* Renaming file does not overwrite existing directory, and vice versa */
EXPECT_FALSE(tr_sys_path_rename(path1.c_str(), path2.c_str(), &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
EXPECT_FALSE(tr_sys_path_rename(path2.c_str(), path1.c_str(), &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
tr_sys_path_remove(path2.c_str());
path3 = tr_strvPath(test_dir, "c"sv);
if (createSymlink(path2.c_str(), path1.c_str(), false))
{
/* Preconditions */
EXPECT_TRUE(tr_sys_path_exists(path2.c_str()));
EXPECT_FALSE(tr_sys_path_exists(path3.c_str()));
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path2.c_str()));
/* Rename of symlink works, files stay the same */
EXPECT_TRUE(tr_sys_path_rename(path2.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_exists(path2.c_str()));
EXPECT_TRUE(tr_sys_path_exists(path3.c_str()));
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path3.c_str()));
tr_sys_path_remove(path3.c_str());
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run symlink tests\n", __FUNCTION__);
}
if (createHardlink(path2.c_str(), path1.c_str()))
{
/* Preconditions */
EXPECT_TRUE(tr_sys_path_exists(path2.c_str()));
EXPECT_FALSE(tr_sys_path_exists(path3.c_str()));
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path2.c_str()));
/* Rename of hardlink works, files stay the same */
EXPECT_TRUE(tr_sys_path_rename(path2.c_str(), path3.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_exists(path2.c_str()));
EXPECT_TRUE(tr_sys_path_exists(path3.c_str()));
EXPECT_TRUE(tr_sys_path_is_same(path1.c_str(), path3.c_str()));
tr_sys_path_remove(path3.c_str());
}
else
{
fprintf(stderr, "WARNING: [%s] unable to run hardlink tests\n", __FUNCTION__);
}
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, pathRemove)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir.data(), "a"sv);
auto const path2 = tr_strvPath(test_dir.data(), "b"sv);
auto const path3 = tr_strvPath(path2.c_str(), "c"sv);
/* Can't remove non-existent file/directory */
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
tr_error* err = nullptr;
EXPECT_FALSE(tr_sys_path_remove(path1.c_str(), &err));
EXPECT_NE(nullptr, err);
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
tr_error_clear(&err);
/* Removing file works */
createFileWithContents(path1, "test");
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
EXPECT_TRUE(tr_sys_path_remove(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
/* Removing empty directory works */
tr_sys_dir_create(path1.c_str(), 0, 0777);
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
EXPECT_TRUE(tr_sys_path_remove(path1.c_str(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
/* Removing non-empty directory fails */
tr_sys_dir_create(path2.c_str(), 0, 0777);
createFileWithContents(path3, "test");
EXPECT_TRUE(tr_sys_path_exists(path2.c_str()));
EXPECT_TRUE(tr_sys_path_exists(path3.c_str()));
EXPECT_FALSE(tr_sys_path_remove(path2.c_str(), &err));
EXPECT_NE(nullptr, err);
EXPECT_TRUE(tr_sys_path_exists(path2.c_str()));
EXPECT_TRUE(tr_sys_path_exists(path3.c_str()));
tr_error_clear(&err);
tr_sys_path_remove(path3.c_str());
tr_sys_path_remove(path2.c_str());
}
TEST_F(FileTest, pathNativeSeparators)
{
EXPECT_EQ(nullptr, tr_sys_path_native_separators(nullptr));
struct LocalTest
{
std::string input;
std::string expected_output;
};
auto const tests = std::array<LocalTest, 5>{
LocalTest{ "", "" },
{ "a", TR_IF_WIN32("a", "a") },
{ "/", TR_IF_WIN32("\\", "/") },
{ "/a/b/c", TR_IF_WIN32("\\a\\b\\c", "/a/b/c") },
{ "C:\\a/b\\c", TR_IF_WIN32("C:\\a\\b\\c", "C:\\a/b\\c") },
};
for (auto const& test : tests)
{
auto buf = std::string(test.input);
char* const output = tr_sys_path_native_separators(&buf.front());
EXPECT_EQ(test.expected_output, output);
EXPECT_EQ(buf.data(), output);
}
}
TEST_F(FileTest, fileOpen)
{
auto const test_dir = createTestDir(currentTestName());
// can't open non-existent file
auto const path1 = tr_strvPath(test_dir, "a"sv);
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
tr_error* err = nullptr;
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ, 0600, &err));
EXPECT_NE(nullptr, err);
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
tr_error_clear(&err);
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE, 0600, &err));
EXPECT_NE(nullptr, err);
EXPECT_FALSE(tr_sys_path_exists(path1.c_str()));
tr_error_clear(&err);
// can't open directory
tr_sys_dir_create(path1.c_str(), 0, 0777);
#ifdef _WIN32
// this works on *NIX
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ, 0600, &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
#endif
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE, 0600, &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
tr_sys_path_remove(path1.c_str());
// can create non-existent file
auto fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0640, &err);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_close(fd);
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
EXPECT_TRUE(validatePermissions(path1.c_str(), 0640));
// can open existing file
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ, 0600, &err);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_close(fd);
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE, 0600, &err);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_close(fd);
tr_sys_path_remove(path1.c_str());
createFileWithContents(path1, "test");
/* Can't create new file if it already exists */
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE_NEW, 0640, &err);
EXPECT_EQ(TR_BAD_SYS_FILE, fd);
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
tr_sys_path_info info;
tr_sys_path_get_info(path1.c_str(), TR_SYS_PATH_NO_FOLLOW, &info);
EXPECT_EQ(4, info.size);
/* Pointer is at the end of file */
tr_sys_path_get_info(path1.c_str(), TR_SYS_PATH_NO_FOLLOW, &info);
EXPECT_EQ(4, info.size);
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_APPEND, 0600, &err);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_write(fd, "s", 1, nullptr); /* On *NIX, pointer is positioned on each write but not initially */
auto n = uint64_t{};
tr_sys_file_seek(fd, 0, TR_SEEK_CUR, &n);
EXPECT_EQ(5, n);
tr_sys_file_close(fd);
/* File gets truncated */
tr_sys_path_get_info(path1.c_str(), TR_SYS_PATH_NO_FOLLOW, &info);
EXPECT_EQ(5, info.size);
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_TRUNCATE, 0600, &err);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_get_info(fd, &info);
EXPECT_EQ(0, info.size);
tr_sys_file_close(fd);
tr_sys_path_get_info(path1.c_str(), TR_SYS_PATH_NO_FOLLOW, &info);
EXPECT_EQ(0, info.size);
/* TODO: symlink and hardlink tests */
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, fileReadWriteSeek)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ | TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
uint64_t n;
tr_error* err = nullptr;
EXPECT_TRUE(tr_sys_file_seek(fd, 0, TR_SEEK_CUR, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(0, n);
EXPECT_TRUE(tr_sys_file_write(fd, "test", 4, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(4, n);
EXPECT_TRUE(tr_sys_file_seek(fd, 0, TR_SEEK_CUR, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(4, n);
EXPECT_TRUE(tr_sys_file_seek(fd, 0, TR_SEEK_SET, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(0, n);
auto buf = std::array<char, 100>{};
EXPECT_TRUE(tr_sys_file_read(fd, buf.data(), buf.size(), &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(4, n);
EXPECT_EQ(0, memcmp("test", buf.data(), 4));
EXPECT_TRUE(tr_sys_file_seek(fd, -3, TR_SEEK_CUR, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(1, n);
EXPECT_TRUE(tr_sys_file_write(fd, "E", 1, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(1, n);
EXPECT_TRUE(tr_sys_file_seek(fd, -2, TR_SEEK_CUR, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(0, n);
EXPECT_TRUE(tr_sys_file_read(fd, buf.data(), buf.size(), &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(4, n);
EXPECT_EQ(0, memcmp("tEst", buf.data(), 4));
EXPECT_TRUE(tr_sys_file_seek(fd, 0, TR_SEEK_END, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(4, n);
EXPECT_TRUE(tr_sys_file_write(fd, " ok", 3, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(3, n);
EXPECT_TRUE(tr_sys_file_seek(fd, 0, TR_SEEK_SET, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(0, n);
EXPECT_TRUE(tr_sys_file_read(fd, buf.data(), buf.size(), &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(7, n);
EXPECT_EQ(0, memcmp("tEst ok", buf.data(), 7));
EXPECT_TRUE(tr_sys_file_write_at(fd, "-", 1, 4, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(1, n);
EXPECT_TRUE(tr_sys_file_read_at(fd, buf.data(), 5, 2, &n, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(5, n);
EXPECT_EQ(0, memcmp("st-ok", buf.data(), 5));
tr_sys_file_close(fd);
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, fileTruncate)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
tr_error* err = nullptr;
EXPECT_TRUE(tr_sys_file_truncate(fd, 10, &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_info info;
tr_sys_file_get_info(fd, &info);
EXPECT_EQ(10, info.size);
EXPECT_TRUE(tr_sys_file_truncate(fd, 20, &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_get_info(fd, &info);
EXPECT_EQ(20, info.size);
EXPECT_TRUE(tr_sys_file_truncate(fd, 0, &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_get_info(fd, &info);
EXPECT_EQ(0, info.size);
EXPECT_TRUE(tr_sys_file_truncate(fd, 50, &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_close(fd);
tr_sys_path_get_info(path1.c_str(), 0, &info);
EXPECT_EQ(50, info.size);
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
EXPECT_TRUE(tr_sys_file_truncate(fd, 25, &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_close(fd);
tr_sys_path_get_info(path1.c_str(), 0, &info);
EXPECT_EQ(25, info.size);
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, filePreallocate)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
tr_error* err = nullptr;
auto prealloc_size = size_t{ 50 };
if (tr_sys_file_preallocate(fd, prealloc_size, 0, &err))
{
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_info info;
tr_sys_file_get_info(fd, &info);
EXPECT_EQ(prealloc_size, info.size);
}
else
{
EXPECT_NE(nullptr, err);
fprintf(stderr, "WARNING: [%s] unable to preallocate file (full): %s (%d)\n", __FUNCTION__, err->message, err->code);
tr_error_clear(&err);
}
tr_sys_file_close(fd);
tr_sys_path_remove(path1.c_str());
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
prealloc_size = 500 * 1024 * 1024;
if (tr_sys_file_preallocate(fd, prealloc_size, TR_SYS_FILE_PREALLOC_SPARSE, &err))
{
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_info info;
tr_sys_file_get_info(fd, &info);
EXPECT_EQ(prealloc_size, info.size);
}
else
{
EXPECT_NE(nullptr, err) << *err;
fprintf(stderr, "WARNING: [%s] unable to preallocate file (sparse): %s (%d)\n", __FUNCTION__, err->message, err->code);
tr_error_clear(&err);
}
tr_sys_file_close(fd);
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, map)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const contents = std::string{ "test" };
createFileWithContents(path1, contents.data());
auto fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ | TR_SYS_FILE_WRITE, 0600);
tr_error* err = nullptr;
auto map_len = contents.size();
auto* view = static_cast<char*>(tr_sys_file_map_for_reading(fd, 0, map_len, &err));
EXPECT_NE(nullptr, view);
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(contents, std::string(view, map_len));
#ifdef HAVE_UNIFIED_BUFFER_CACHE
auto const contents_2 = std::string{ "more" };
auto n_written = uint64_t{};
tr_sys_file_write_at(fd, contents_2.data(), contents_2.size(), 0, &n_written, &err);
EXPECT_EQ(map_len, contents_2.size());
EXPECT_EQ(map_len, n_written);
EXPECT_EQ(nullptr, err) << *err;
EXPECT_EQ(contents_2, std::string(view, map_len));
#endif
EXPECT_TRUE(tr_sys_file_unmap(view, map_len, &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_close(fd);
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, fileUtilities)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const contents = std::string{ "a\nbc\r\ndef\nghij\r\n\n\nklmno\r" };
createFileWithContents(path1, contents.data());
auto fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ, 0);
tr_error* err = nullptr;
auto buffer = std::array<char, 16>{};
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("a", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("bc", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("def", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("ghij", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), 4, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("klmn", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("o", buffer.data());
EXPECT_FALSE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("o", buffer.data()); // on EOF, buffer stays unchanged
tr_sys_file_close(fd);
fd = tr_sys_file_open(path1.c_str(), TR_SYS_FILE_READ | TR_SYS_FILE_WRITE | TR_SYS_FILE_TRUNCATE, 0);
EXPECT_TRUE(tr_sys_file_write_line(fd, "p", &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_file_write_line(fd, "", &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_file_write_line(fd, "qr", &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_file_write_line(fd, "stu", &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_file_write_line(fd, "", &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_file_write_line(fd, "", &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_file_write_line(fd, "vwxy2", &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_file_seek(fd, 0, TR_SEEK_SET, nullptr);
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("p", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("qr", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("stu", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("", buffer.data());
EXPECT_TRUE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("vwxy2", buffer.data());
EXPECT_FALSE(tr_sys_file_read_line(fd, buffer.data(), buffer.size(), &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_STREQ("vwxy2", buffer.data()); // on EOF, buffer stays unchanged
tr_sys_file_close(fd);
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, dirCreate)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir.data(), "a"sv);
auto const path2 = tr_strvPath(path1, "b"sv);
// Can create directory which has parent
tr_error* err = nullptr;
EXPECT_TRUE(tr_sys_dir_create(path1.c_str(), 0, 0700, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
EXPECT_TRUE(validatePermissions(path1.c_str(), 0700));
tr_sys_path_remove(path1.c_str());
createFileWithContents(path1, "test");
// Can't create directory where file already exists
EXPECT_FALSE(tr_sys_dir_create(path1.c_str(), 0, 0700, &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
EXPECT_FALSE(tr_sys_dir_create(path1.c_str(), TR_SYS_DIR_CREATE_PARENTS, 0700, &err));
EXPECT_NE(nullptr, err);
tr_error_clear(&err);
tr_sys_path_remove(path1.c_str());
// Can't create directory which has no parent
EXPECT_FALSE(tr_sys_dir_create(path2.c_str(), 0, 0700, &err));
EXPECT_NE(nullptr, err);
EXPECT_FALSE(tr_sys_path_exists(path2.c_str()));
tr_error_clear(&err);
// Can create directory with parent directories
EXPECT_TRUE(tr_sys_dir_create(path2.c_str(), TR_SYS_DIR_CREATE_PARENTS, 0751, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_path_exists(path1.c_str()));
EXPECT_TRUE(tr_sys_path_exists(path2.c_str()));
EXPECT_TRUE(validatePermissions(path1.c_str(), 0751));
EXPECT_TRUE(validatePermissions(path2.c_str(), 0751));
// Can create existing directory (no-op)
EXPECT_TRUE(tr_sys_dir_create(path1.c_str(), 0, 0700, &err));
EXPECT_EQ(nullptr, err) << *err;
EXPECT_TRUE(tr_sys_dir_create(path1.c_str(), TR_SYS_DIR_CREATE_PARENTS, 0700, &err));
EXPECT_EQ(nullptr, err) << *err;
tr_sys_path_remove(path2.c_str());
tr_sys_path_remove(path1.c_str());
}
TEST_F(FileTest, dirRead)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_strvPath(test_dir, "a"sv);
auto const path2 = tr_strvPath(test_dir, "b"sv);
bool have1;
bool have2;
testDirReadImpl(test_dir, &have1, &have2);
EXPECT_FALSE(have1);
EXPECT_FALSE(have2);
createFileWithContents(path1, "test");
testDirReadImpl(test_dir, &have1, &have2);
EXPECT_TRUE(have1);
EXPECT_FALSE(have2);
createFileWithContents(path2, "test");
testDirReadImpl(test_dir, &have1, &have2);
EXPECT_TRUE(have1);
EXPECT_TRUE(have2);
tr_sys_path_remove(path1.c_str());
testDirReadImpl(test_dir, &have1, &have2);
EXPECT_FALSE(have1);
EXPECT_TRUE(have2);
}
} // namespace test
} // namespace libtransmission
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