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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-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include <array>
#include <cassert>
#include <cstdint> // uint64_t
#include <cstdio> // stderr
#include <cstring>
#include <ctime> // time()
#include <ostream>
#include <set>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
#ifndef _WIN32
#include <sys/stat.h>
#include <unistd.h>
#else
#include <windows.h>
#endif
#include <fmt/core.h>
#include <libtransmission/error.h>
#include <libtransmission/file.h>
#include <libtransmission/tr-macros.h>
#include <libtransmission/tr-strbuf.h>
#include "gtest/gtest.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::test
{
class FileTest : public SessionTest
{
protected:
auto createTestDir(std::string const& child_name)
{
auto test_dir = tr_pathbuf{ session_->configDir(), '/', child_name };
tr_sys_dir_create(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
auto const wide_src_path = tr_win32_utf8_to_native(src_path);
auto const wide_dst_path = tr_win32_utf8_to_native(dst_path);
return CreateSymbolicLinkW(wide_dst_path.c_str(), wide_src_path.c_str(), dst_is_dir ? SYMBOLIC_LINK_FLAG_DIRECTORY : 0);
#endif
}
static bool createHardlink(char const* dst_path, char const* src_path)
{
#ifndef _WIN32
return link(src_path, dst_path) != -1;
#else
auto const wide_src_path = tr_win32_utf8_to_native(src_path);
auto const wide_dst_path = tr_win32_utf8_to_native(dst_path);
return CreateHardLinkW(wide_dst_path.c_str(), wide_src_path.c_str(), nullptr);
#endif
}
static void clearPathInfo(tr_sys_path_info* info)
{
*info = {};
}
static bool pathContainsNoSymlinks(char const* path)
{
char const* p = path;
while (*p != '\0')
{
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, static_cast<size_t>(slash_pos - path + 1) };
auto const info = tr_sys_path_get_info(path_part, TR_SYS_PATH_NO_FOLLOW);
if (!info || (!info->isFile() && !info->isFolder()))
{
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
{
std::string_view input;
std::string_view output;
};
static void testPathXname(
XnameTestData const* data,
size_t data_size,
std::string_view (*func)(std::string_view, tr_error*))
{
for (size_t i = 0; i < data_size; ++i)
{
auto error = tr_error{};
auto const& [input, output] = data[i];
auto const name = func(input, &error);
if (!std::empty(data[i].output))
{
EXPECT_NE(""sv, name);
EXPECT_FALSE(error) << error;
EXPECT_EQ(output, name) << " in [" << input << ']';
}
else
{
EXPECT_EQ(""sv, name) << " in [" << input << ']';
EXPECT_TRUE(error);
}
}
}
static void testDirReadImpl(tr_pathbuf const& path, bool* have1, bool* have2)
{
*have1 = *have2 = false;
auto err = tr_error{};
auto dd = tr_sys_dir_open(path, &err);
EXPECT_NE(TR_BAD_SYS_DIR, dd);
EXPECT_FALSE(err) << err;
for (;;)
{
char const* name = tr_sys_dir_read_name(dd, &err);
if (name == nullptr)
{
break;
}
EXPECT_FALSE(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_FALSE(err) << err;
EXPECT_TRUE(tr_sys_dir_close(dd, &err));
EXPECT_FALSE(err) << err;
}
};
TEST_F(FileTest, getInfo)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ test_dir, "/b"sv };
// Can't get info of non-existent file/directory
auto err = tr_error{};
auto info = tr_sys_path_get_info(path1, 0, &err);
EXPECT_FALSE(info.has_value());
EXPECT_TRUE(err);
err = {};
auto t = time(nullptr);
createFileWithContents(path1, "test");
// Good file info
info = tr_sys_path_get_info(path1, 0, &err);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_FALSE(err) << err;
EXPECT_EQ(TR_SYS_PATH_IS_FILE, info->type);
EXPECT_EQ(4U, info->size);
EXPECT_GE(info->last_modified_at, t - 1);
EXPECT_LE(info->last_modified_at, time(nullptr) + 1);
tr_sys_path_remove(path1);
// Good directory info
t = time(nullptr);
tr_sys_dir_create(path1, 0, 0777);
info = tr_sys_path_get_info(path1, 0, &err);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_FALSE(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);
if (createSymlink(path1, path2, false))
{
// Can't get info of non-existent file/directory
info = tr_sys_path_get_info(path1, 0, &err);
EXPECT_FALSE(info.has_value());
EXPECT_TRUE(err);
err = {};
t = time(nullptr);
createFileWithContents(path2, "test");
// Good file info
info = tr_sys_path_get_info(path1, 0, &err);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_FALSE(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);
// Symlink
info = tr_sys_path_get_info(path1, TR_SYS_PATH_NO_FOLLOW, &err);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_FALSE(err) << err;
EXPECT_EQ(TR_SYS_PATH_IS_OTHER, info->type);
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
// Good directory info
t = time(nullptr);
tr_sys_dir_create(path2, 0, 0777);
EXPECT_TRUE(createSymlink(path1, path2, true)); /* Win32: directory and file symlinks differ :( */
info = tr_sys_path_get_info(path1, 0, &err);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_FALSE(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);
tr_sys_path_remove(path1);
}
else
{
fmt::print(stderr, "WARNING: [{:s}] unable to run symlink tests\n", __FUNCTION__);
}
}
TEST_F(FileTest, readFile)
{
auto const test_dir = createTestDir(currentTestName());
auto const path = tr_pathbuf{ test_dir, "/a.txt"sv };
auto constexpr Contents = "hello, world!"sv;
createFileWithContents(path, Contents);
auto n_read = uint64_t{};
auto buf = std::array<char, 64>{};
auto fd = tr_sys_file_open(path, TR_SYS_FILE_READ, 0);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
// successful read
auto error = tr_error{};
EXPECT_TRUE(tr_sys_file_read(fd, std::data(buf), std::size(buf), &n_read, &error));
EXPECT_EQ(Contents, std::string_view(std::data(buf), n_read));
EXPECT_EQ(std::size(Contents), n_read);
EXPECT_FALSE(error) << error;
// successful read_at
auto const offset = 1U;
EXPECT_TRUE(tr_sys_file_read_at(fd, std::data(buf), std::size(buf), offset, &n_read, &error));
auto constexpr Expected = Contents.substr(offset);
EXPECT_EQ(Expected, std::string_view(std::data(buf), n_read));
EXPECT_EQ(std::size(Expected), n_read);
EXPECT_FALSE(error) << error;
tr_sys_file_close(fd);
}
TEST_F(FileTest, pathExists)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ test_dir, "/b"sv };
// Non-existent file does not exist
auto error = tr_error{};
EXPECT_FALSE(tr_sys_path_exists(path1, &error));
EXPECT_FALSE(error) << error;
// Create file and see that it exists
createFileWithContents(path1, "test");
EXPECT_TRUE(tr_sys_path_exists(path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path1);
// Create directory and see that it exists
tr_sys_dir_create(path1, 0, 0777);
EXPECT_TRUE(tr_sys_path_exists(path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path1);
if (createSymlink(path1, path2, false))
{
// Non-existent file does not exist (via symlink)
EXPECT_FALSE(tr_sys_path_exists(path1, &error));
EXPECT_FALSE(error) << error;
// Create file and see that it exists (via symlink)
createFileWithContents(path2, "test");
EXPECT_TRUE(tr_sys_path_exists(path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
/* Create directory and see that it exists (via symlink) */
tr_sys_dir_create(path2, 0, 0777);
EXPECT_TRUE(createSymlink(path1, path2, true)); /* Win32: directory and file symlinks differ :( */
EXPECT_TRUE(tr_sys_path_exists(path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
}
else
{
fmt::print(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)
{
// NOLINTBEGIN(readability-suspicious-call-argument)
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ test_dir, "/b"sv };
auto path3 = tr_pathbuf{ path2, "/c"sv };
/* Two non-existent files are not the same */
auto error = tr_error{};
EXPECT_FALSE(tr_sys_path_is_same(path1, path1, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
/* Two same files are the same */
createFileWithContents(path1, "test");
EXPECT_TRUE(tr_sys_path_is_same(path1, path1, &error));
EXPECT_FALSE(error) << error;
/* Existent and non-existent files are not the same */
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path2, path1, &error));
EXPECT_FALSE(error) << error;
/* Two separate files (even with same content) are not the same */
createFileWithContents(path2, "test");
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path1);
/* Two same directories are the same */
tr_sys_dir_create(path1, 0, 0777);
EXPECT_TRUE(tr_sys_path_is_same(path1, path1, &error));
EXPECT_FALSE(error) << error;
/* File and directory are not the same */
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path2, path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
/* Two separate directories are not the same */
tr_sys_dir_create(path2, 0, 0777);
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path1);
tr_sys_path_remove(path2);
if (createSymlink(path1, ".", true))
{
/* Directory and symlink pointing to it are the same */
EXPECT_TRUE(tr_sys_path_is_same(path1, test_dir.data(), &error));
EXPECT_FALSE(error) << error;
EXPECT_TRUE(tr_sys_path_is_same(test_dir.data(), path1, &error));
EXPECT_FALSE(error) << error;
/* Non-existent file and symlink are not the same */
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path2, path1, &error));
EXPECT_FALSE(error) << error;
/* Symlinks pointing to different directories are not the same */
createSymlink(path2, "..", true);
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path2, path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
/* Symlinks pointing to same directory are the same */
createSymlink(path2, ".", true);
EXPECT_TRUE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
/* Directory and symlink pointing to another directory are not the same */
tr_sys_dir_create(path2, 0, 0777);
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path2, path1, &error));
EXPECT_FALSE(error) << error;
/* Symlinks pointing to same directory are the same */
createSymlink(path3, "..", true);
EXPECT_TRUE(tr_sys_path_is_same(path1, path3, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path1);
/* File and symlink pointing to directory are not the same */
createFileWithContents(path1, "test");
EXPECT_FALSE(tr_sys_path_is_same(path1, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path3, path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path3);
/* File and symlink pointing to same file are the same */
createSymlink(path3, path1, false);
EXPECT_TRUE(tr_sys_path_is_same(path1, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_TRUE(tr_sys_path_is_same(path3, path1, &error));
EXPECT_FALSE(error) << error;
/* Symlinks pointing to non-existent files are not the same */
tr_sys_path_remove(path1);
createSymlink(path1, "missing", false);
tr_sys_path_remove(path3);
createSymlink(path3, "missing", false);
EXPECT_FALSE(tr_sys_path_is_same(path1, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path3, path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path3);
/* 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, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path3, path1, &error));
EXPECT_FALSE(error) << error;
/* Non-existent file and symlink pointing to non-existent file are not the same */
tr_sys_path_remove(path3);
EXPECT_FALSE(tr_sys_path_is_same(path1, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path3, path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
}
else
{
fmt::print(stderr, "WARNING: [{:s}] unable to run symlink tests\n", __FUNCTION__);
}
path3.assign(test_dir, "/c"sv);
createFileWithContents(path1, "test");
if (createHardlink(path2, path1))
{
/* File and hardlink to it are the same */
EXPECT_TRUE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
/* Two hardlinks to the same file are the same */
createHardlink(path3, path2);
EXPECT_TRUE(tr_sys_path_is_same(path2, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_TRUE(tr_sys_path_is_same(path1, path3, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
EXPECT_TRUE(tr_sys_path_is_same(path1, path3, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path3);
/* File and hardlink to another file are not the same */
createFileWithContents(path3, "test");
createHardlink(path2, path3);
EXPECT_FALSE(tr_sys_path_is_same(path1, path2, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_is_same(path2, path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path3);
tr_sys_path_remove(path2);
}
else
{
fmt::print(stderr, "WARNING: [{:s}] unable to run symlink tests\n", __FUNCTION__);
}
if (createSymlink(path2, path1, false) && createHardlink(path3, path1))
{
EXPECT_TRUE(tr_sys_path_is_same(path2, path3, &error));
EXPECT_FALSE(error) << error;
}
else
{
fmt::print(stderr, "WARNING: [{:s}] unable to run combined symlink and hardlink tests\n", __FUNCTION__);
}
tr_sys_path_remove(path3);
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
// NOLINTEND(readability-suspicious-call-argument)
}
TEST_F(FileTest, pathResolve)
{
auto const test_dir = createTestDir(currentTestName());
auto error = tr_error{};
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ test_dir, "/b"sv };
createFileWithContents(path1, "test");
if (createSymlink(path2, path1, false))
{
auto resolved = tr_sys_path_resolve(path2, &error);
EXPECT_FALSE(error) << error;
EXPECT_TRUE(pathContainsNoSymlinks(resolved.c_str()));
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
tr_sys_dir_create(path1, 0, 0755);
EXPECT_TRUE(createSymlink(path2, path1, true)); /* Win32: directory and file symlinks differ :( */
resolved = tr_sys_path_resolve(path2, &error);
EXPECT_FALSE(error) << error;
EXPECT_TRUE(pathContainsNoSymlinks(resolved.c_str()));
}
else
{
fmt::print(stderr, "WARNING: [{:s}] unable to run symlink tests\n", __FUNCTION__);
}
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
#ifdef _WIN32
auto resolved = tr_sys_path_resolve("\\\\127.0.0.1\\NonExistent"sv, &error);
EXPECT_EQ(""sv, resolved);
EXPECT_TRUE(error);
error = {};
resolved = tr_sys_path_resolve("\\\\127.0.0.1\\ADMIN$\\NonExistent"sv, &error);
EXPECT_EQ(""sv, resolved);
EXPECT_TRUE(error);
error = {};
for (auto const& input : { "\\\\127.0.0.1\\ADMIN$\\System32"sv,
"\\\\127.0.0.1\\ADMIN$\\\\System32"sv,
"\\\\127.0.0.1\\\\ADMIN$\\System32"sv,
"\\\\127.0.0.1\\\\ADMIN$\\\\System32"sv,
"\\\\127.0.0.1\\ADMIN$/System32"sv })
{
resolved = tr_sys_path_resolve(input, &error);
EXPECT_EQ("\\\\127.0.0.1\\ADMIN$\\System32"sv, resolved);
EXPECT_FALSE(error) << error;
}
#endif
}
TEST_F(FileTest, pathBasename)
{
auto const common_xname_tests = std::vector<XnameTestData>{
XnameTestData{ "/", "/" },
{ "", "." },
#ifdef _WIN32
{ "\\", "/" },
/* Invalid paths */
{ "\\\\\\", "" },
{ "123:", "" },
/* Reserved characters */
{ "<", "" },
{ ">", "" },
{ ":", "" },
{ "\"", "" },
{ "|", "" },
{ "?", "" },
{ "*", "" },
{ "a\\<", "" },
{ "a\\>", "" },
{ "a\\:", "" },
{ "a\\\"", "" },
{ "a\\|", "" },
{ "a\\?", "" },
{ "a\\*", "" },
{ "c:\\a\\b<c\\d", "" },
{ "c:\\a\\b>c\\d", "" },
{ "c:\\a\\b:c\\d", "" },
{ "c:\\a\\b\"c\\d", "" },
{ "c:\\a\\b|c\\d", "" },
{ "c:\\a\\b?c\\d", "" },
{ "c:\\a\\b*c\\d", "" },
#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);
}
TEST_F(FileTest, pathDirname)
{
#ifdef _WIN32
static auto constexpr DirnameTests = std::array<std::pair<std::string_view, std::string_view>, 48>{ {
{ "C:\\a/b\\c"sv, "C:\\a/b"sv },
{ "C:\\a/b\\c\\"sv, "C:\\a/b"sv },
{ "C:\\a/b"sv, "C:\\a"sv },
{ "C:/a"sv, "C:/"sv },
{ "C:"sv, "C:"sv },
{ "C:/"sv, "C:/"sv },
{ "c:a/b"sv, "c:a"sv },
{ "c:a"sv, "c:"sv },
{ "\\\\a"sv, "\\"sv },
{ "\\\\1.2.3.4"sv, "\\"sv },
{ "\\\\"sv, "\\"sv },
{ "a/b\\c"sv, "a/b"sv },
// taken from Node.js unit tests
// https://github.com/nodejs/node/blob/e46c680bf2b211bbd52cf959ca17ee98c7f657f5/test/parallel/test-path-dirname.js
{ "c:\\"sv, "c:\\"sv },
{ "c:\\foo"sv, "c:\\"sv },
{ "c:\\foo\\"sv, "c:\\"sv },
{ "c:\\foo\\bar"sv, "c:\\foo"sv },
{ "c:\\foo\\bar\\"sv, "c:\\foo"sv },
{ "c:\\foo\\bar\\baz"sv, "c:\\foo\\bar"sv },
{ "c:\\foo bar\\baz"sv, "c:\\foo bar"sv },
{ "\\"sv, "\\"sv },
{ "\\foo"sv, "\\"sv },
{ "\\foo\\"sv, "\\"sv },
{ "\\foo\\bar"sv, "\\foo"sv },
{ "\\foo\\bar\\"sv, "\\foo"sv },
{ "\\foo\\bar\\baz"sv, "\\foo\\bar"sv },
{ "\\foo bar\\baz"sv, "\\foo bar"sv },
{ "c:"sv, "c:"sv },
{ "c:foo"sv, "c:"sv },
{ "c:foo\\"sv, "c:"sv },
{ "c:foo\\bar"sv, "c:foo"sv },
{ "c:foo\\bar\\"sv, "c:foo"sv },
{ "c:foo\\bar\\baz"sv, "c:foo\\bar"sv },
{ "c:foo bar\\baz"sv, "c:foo bar"sv },
{ "file:stream"sv, "."sv },
{ "dir\\file:stream"sv, "dir"sv },
{ "\\\\unc\\share"sv, "\\\\unc\\share"sv },
{ "\\\\unc\\share\\foo"sv, "\\\\unc\\share\\"sv },
{ "\\\\unc\\share\\foo\\"sv, "\\\\unc\\share\\"sv },
{ "\\\\unc\\share\\foo\\bar"sv, "\\\\unc\\share\\foo"sv },
{ "\\\\unc\\share\\foo\\bar\\"sv, "\\\\unc\\share\\foo"sv },
{ "\\\\unc\\share\\foo\\bar\\baz"sv, "\\\\unc\\share\\foo\\bar"sv },
{ "/a/b/"sv, "/a"sv },
{ "/a/b"sv, "/a"sv },
{ "/a"sv, "/"sv },
{ ""sv, "."sv },
{ "/"sv, "/"sv },
{ "////"sv, "/"sv },
{ "foo"sv, "."sv },
} };
#else
static auto constexpr DirnameTests = std::array<std::pair<std::string_view, std::string_view>, 15>{ {
// taken from Node.js unit tests
// https://github.com/nodejs/node/blob/e46c680bf2b211bbd52cf959ca17ee98c7f657f5/test/parallel/test-path-dirname.js
{ "/a/b/"sv, "/a"sv },
{ "/a/b"sv, "/a"sv },
{ "/a"sv, "/"sv },
{ ""sv, "."sv },
{ "/"sv, "/"sv },
{ "////"sv, "/"sv },
{ "//a"sv, "//"sv },
{ "foo"sv, "."sv },
// taken from dirname(3) manpage
{ "usr"sv, "."sv },
{ "/usr/lib", "/usr"sv },
{ "/usr/"sv, "/"sv },
{ "/usr/"sv, "/"sv },
{ "/"sv, "/"sv },
{ "."sv, "."sv },
{ ".."sv, "."sv },
} };
#endif
for (auto const& [input, expected] : DirnameTests)
{
EXPECT_EQ(expected, tr_sys_path_dirname(input))
<< "input[" << input << "] expected [" << expected << "] actual [" << tr_sys_path_dirname(input) << "]\n";
auto path = tr_pathbuf{ input };
path.popdir();
EXPECT_EQ(expected, path) << "input[" << input << "] expected [" << expected << "] actual [" << path << "]\n";
}
/* TODO: is_same(dirname(x) + '/' + basename(x), x) */
}
TEST_F(FileTest, pathRename)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ test_dir, "/b"sv };
auto path3 = tr_pathbuf{ path2, "/c"sv };
createFileWithContents(path1, "test");
/* Preconditions */
EXPECT_TRUE(tr_sys_path_exists(path1));
EXPECT_FALSE(tr_sys_path_exists(path2));
/* Forward rename works */
auto error = tr_error{};
EXPECT_TRUE(tr_sys_path_rename(path1, path2, &error));
EXPECT_FALSE(tr_sys_path_exists(path1));
EXPECT_TRUE(tr_sys_path_exists(path2));
EXPECT_FALSE(error) << error;
/* Backward rename works */
EXPECT_TRUE(tr_sys_path_rename(path2, path1, &error));
EXPECT_TRUE(tr_sys_path_exists(path1));
EXPECT_FALSE(tr_sys_path_exists(path2));
EXPECT_FALSE(error) << error;
/* Another backward rename [of non-existent file] does not work */
EXPECT_FALSE(tr_sys_path_rename(path2, path1, &error));
EXPECT_TRUE(error);
error = {};
/* Rename to file which couldn't be created does not work */
EXPECT_FALSE(tr_sys_path_rename(path1, path3, &error));
EXPECT_TRUE(error);
error = {};
/* Rename of non-existent file does not work */
EXPECT_FALSE(tr_sys_path_rename(path3, path2, &error));
EXPECT_TRUE(error);
error = {};
createFileWithContents(path2, "test");
/* Renaming file does overwrite existing file */
EXPECT_TRUE(tr_sys_path_rename(path2, path1, &error));
EXPECT_FALSE(error) << error;
tr_sys_dir_create(path2, 0, 0777);
/* Renaming file does not overwrite existing directory, and vice versa */
EXPECT_FALSE(tr_sys_path_rename(path1, path2, &error));
EXPECT_TRUE(error);
error = {};
EXPECT_FALSE(tr_sys_path_rename(path2, path1, &error));
EXPECT_TRUE(error);
error = {};
tr_sys_path_remove(path2);
path3.assign(test_dir, "/c"sv);
if (createSymlink(path2, path1, false))
{
/* Preconditions */
EXPECT_TRUE(tr_sys_path_exists(path2));
EXPECT_FALSE(tr_sys_path_exists(path3));
EXPECT_TRUE(tr_sys_path_is_same(path1, path2));
/* Rename of symlink works, files stay the same */
EXPECT_TRUE(tr_sys_path_rename(path2, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_exists(path2));
EXPECT_TRUE(tr_sys_path_exists(path3));
EXPECT_TRUE(tr_sys_path_is_same(path1, path3));
tr_sys_path_remove(path3);
}
else
{
fmt::print(stderr, "WARNING: [{:s}] unable to run symlink tests\n", __FUNCTION__);
}
if (createHardlink(path2, path1))
{
/* Preconditions */
EXPECT_TRUE(tr_sys_path_exists(path2));
EXPECT_FALSE(tr_sys_path_exists(path3));
EXPECT_TRUE(tr_sys_path_is_same(path1, path2));
/* Rename of hardlink works, files stay the same */
EXPECT_TRUE(tr_sys_path_rename(path2, path3, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_exists(path2));
EXPECT_TRUE(tr_sys_path_exists(path3));
EXPECT_TRUE(tr_sys_path_is_same(path1, path3));
tr_sys_path_remove(path3);
}
else
{
fmt::print(stderr, "WARNING: [{:s}] unable to run hardlink tests\n", __FUNCTION__);
}
tr_sys_path_remove(path1);
}
TEST_F(FileTest, pathRemove)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ test_dir, "/b"sv };
auto const path3 = tr_pathbuf{ path2, "/c"sv };
/* Can't remove non-existent file/directory */
EXPECT_FALSE(tr_sys_path_exists(path1));
auto error = tr_error{};
EXPECT_FALSE(tr_sys_path_remove(path1, &error));
EXPECT_TRUE(error);
EXPECT_FALSE(tr_sys_path_exists(path1));
error = {};
/* Removing file works */
createFileWithContents(path1, "test");
EXPECT_TRUE(tr_sys_path_exists(path1));
EXPECT_TRUE(tr_sys_path_remove(path1, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_exists(path1));
/* Removing empty directory works */
tr_sys_dir_create(path1, 0, 0777);
EXPECT_TRUE(tr_sys_path_exists(path1));
EXPECT_TRUE(tr_sys_path_remove(path1, &error));
EXPECT_FALSE(error) << error;
EXPECT_FALSE(tr_sys_path_exists(path1));
/* Removing non-empty directory fails */
tr_sys_dir_create(path2, 0, 0777);
createFileWithContents(path3, "test");
EXPECT_TRUE(tr_sys_path_exists(path2));
EXPECT_TRUE(tr_sys_path_exists(path3));
EXPECT_FALSE(tr_sys_path_remove(path2, &error));
EXPECT_TRUE(error);
EXPECT_TRUE(tr_sys_path_exists(path2));
EXPECT_TRUE(tr_sys_path_exists(path3));
error = {};
tr_sys_path_remove(path3);
tr_sys_path_remove(path2);
}
TEST_F(FileTest, pathNativeSeparators)
{
EXPECT_EQ(nullptr, tr_sys_path_native_separators(nullptr));
static auto constexpr Tests = std::array<std::pair<std::string_view, std::string_view>, 5>{ {
{ "", "" },
{ "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& [input, expected] : Tests)
{
auto buf = tr_pathbuf{ input };
EXPECT_EQ(expected, tr_sys_path_native_separators(std::data(buf)));
}
}
TEST_F(FileTest, fileCopy)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a.txt" };
auto const path2 = tr_pathbuf{ test_dir, "/b.txt" };
auto constexpr Contents = "hello, world!"sv;
// no source file
auto error = tr_error{};
EXPECT_FALSE(tr_sys_path_copy(path1, path2, &error));
EXPECT_TRUE(error);
error = {};
createFileWithContents(path1, Contents);
// source file exists but is inaccessible
(void)chmod(path1, 0);
EXPECT_FALSE(tr_sys_path_copy(path1, test_dir, &error));
EXPECT_TRUE(error);
error = {};
(void)chmod(path1, 0600);
// source file exists but target is invalid
EXPECT_FALSE(tr_sys_path_copy(path1, test_dir, &error));
EXPECT_TRUE(error);
error = {};
// source and target are valid
createFileWithContents(path1, Contents);
EXPECT_TRUE(tr_sys_path_copy(path1, path2, &error));
EXPECT_FALSE(error) << error;
}
TEST_F(FileTest, fileOpen)
{
auto const test_dir = createTestDir(currentTestName());
// can't open non-existent file
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
EXPECT_FALSE(tr_sys_path_exists(path1));
auto error = tr_error{};
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1, TR_SYS_FILE_READ, 0600, &error));
EXPECT_TRUE(error);
EXPECT_FALSE(tr_sys_path_exists(path1));
error = {};
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1, TR_SYS_FILE_WRITE, 0600, &error));
EXPECT_TRUE(error);
EXPECT_FALSE(tr_sys_path_exists(path1));
error = {};
// can't open directory
tr_sys_dir_create(path1, 0, 0777);
#ifdef _WIN32
// this works on *NIX
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1, TR_SYS_FILE_READ, 0600, &error));
EXPECT_TRUE(error);
error = {};
#endif
EXPECT_EQ(TR_BAD_SYS_FILE, tr_sys_file_open(path1, TR_SYS_FILE_WRITE, 0600, &error));
EXPECT_TRUE(error);
error = {};
tr_sys_path_remove(path1);
// can create non-existent file
auto fd = tr_sys_file_open(path1, TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0640, &error);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_FALSE(error) << error;
tr_sys_file_close(fd);
EXPECT_TRUE(tr_sys_path_exists(path1));
EXPECT_TRUE(validatePermissions(path1, 0640));
// can open existing file
EXPECT_TRUE(tr_sys_path_exists(path1));
fd = tr_sys_file_open(path1, TR_SYS_FILE_READ, 0600, &error);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_FALSE(error) << error;
tr_sys_file_close(fd);
fd = tr_sys_file_open(path1, TR_SYS_FILE_WRITE, 0600, &error);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_FALSE(error) << error;
tr_sys_file_close(fd);
tr_sys_path_remove(path1);
createFileWithContents(path1, "test");
/* Pointer is at the end of file */
auto info = tr_sys_path_get_info(path1, TR_SYS_PATH_NO_FOLLOW);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(4U, info->size);
fd = tr_sys_file_open(path1, TR_SYS_FILE_WRITE | TR_SYS_FILE_APPEND, 0600, &error);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_FALSE(error) << error;
tr_sys_file_write(fd, "s", 1, nullptr); /* On *NIX, pointer is positioned on each write but not initially */
tr_sys_file_close(fd);
/* File gets truncated */
info = tr_sys_path_get_info(path1, TR_SYS_PATH_NO_FOLLOW);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(5U, info->size);
fd = tr_sys_file_open(path1, TR_SYS_FILE_WRITE | TR_SYS_FILE_TRUNCATE, 0600, &error);
EXPECT_NE(TR_BAD_SYS_FILE, fd);
EXPECT_FALSE(error) << error;
info = tr_sys_path_get_info(path1);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(0U, info->size);
tr_sys_file_close(fd);
info = tr_sys_path_get_info(path1, TR_SYS_PATH_NO_FOLLOW);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(0U, info->size);
/* TODO: symlink and hardlink tests */
tr_sys_path_remove(path1);
}
TEST_F(FileTest, fileTruncate)
{
auto const test_dir = createTestDir(currentTestName());
auto const path = tr_pathbuf{ test_dir, "/a"sv };
auto fd = tr_sys_file_open(path, TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
auto error = tr_error{};
EXPECT_TRUE(tr_sys_file_truncate(fd, 10, &error));
EXPECT_FALSE(error) << error;
auto info = tr_sys_path_get_info(path);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(10U, info->size);
EXPECT_TRUE(tr_sys_file_truncate(fd, 20, &error));
EXPECT_FALSE(error) << error;
info = tr_sys_path_get_info(path);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(20U, info->size);
EXPECT_TRUE(tr_sys_file_truncate(fd, 0, &error));
EXPECT_FALSE(error) << error;
info = tr_sys_path_get_info(path);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(0U, info->size);
EXPECT_TRUE(tr_sys_file_truncate(fd, 50, &error));
EXPECT_FALSE(error) << error;
tr_sys_file_close(fd);
info = tr_sys_path_get_info(path);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(50U, info->size);
fd = tr_sys_file_open(path, TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
EXPECT_TRUE(tr_sys_file_truncate(fd, 25, &error));
EXPECT_FALSE(error) << error;
tr_sys_file_close(fd);
info = tr_sys_path_get_info(path);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(25U, info->size);
// try to truncate a closed file
EXPECT_FALSE(tr_sys_file_truncate(fd, 10, &error)); // coverity[USE_AFTER_FREE]
EXPECT_TRUE(error);
error = {};
tr_sys_path_remove(path);
}
TEST_F(FileTest, filePreallocate)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto fd = tr_sys_file_open(path1, TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
auto error = tr_error{};
auto prealloc_size = size_t{ 50 };
if (tr_sys_file_preallocate(fd, prealloc_size, 0, &error))
{
EXPECT_FALSE(error) << error;
auto info = tr_sys_path_get_info(path1);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(prealloc_size, info->size);
}
else
{
EXPECT_TRUE(error);
fmt::print(
stderr,
"WARNING: [{:s}] unable to preallocate file (full): {:s} ({:d})\n",
__FUNCTION__,
error.message(),
error.code());
error = {};
}
tr_sys_file_close(fd);
tr_sys_path_remove(path1);
fd = tr_sys_file_open(path1, TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE, 0600);
prealloc_size = size_t{ 500U } * 1024U * 1024U;
if (tr_sys_file_preallocate(fd, prealloc_size, TR_SYS_FILE_PREALLOC_SPARSE, &error))
{
EXPECT_FALSE(error) << error;
auto info = tr_sys_path_get_info(path1);
EXPECT_TRUE(info.has_value());
assert(info.has_value());
EXPECT_EQ(prealloc_size, info->size);
}
else
{
EXPECT_TRUE(error);
fmt::print(
stderr,
"WARNING: [{:s}] unable to preallocate file (sparse): {:s} ({:d})\n",
__FUNCTION__,
error.message(),
error.code());
error = {};
}
tr_sys_file_close(fd);
tr_sys_path_remove(path1);
}
TEST_F(FileTest, dirCreate)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ path1, "/b"sv };
// Can create directory which has parent
auto error = tr_error{};
EXPECT_TRUE(tr_sys_dir_create(path1, 0, 0700, &error));
EXPECT_FALSE(error) << error;
EXPECT_TRUE(tr_sys_path_exists(path1));
EXPECT_TRUE(validatePermissions(path1, 0700));
tr_sys_path_remove(path1);
createFileWithContents(path1, "test");
// Can't create directory where file already exists
EXPECT_FALSE(tr_sys_dir_create(path1, 0, 0700, &error));
EXPECT_TRUE(error);
error = {};
EXPECT_FALSE(tr_sys_dir_create(path1, TR_SYS_DIR_CREATE_PARENTS, 0700, &error));
EXPECT_TRUE(error);
error = {};
tr_sys_path_remove(path1);
// Can't create directory which has no parent
EXPECT_FALSE(tr_sys_dir_create(path2, 0, 0700, &error));
EXPECT_TRUE(error);
EXPECT_FALSE(tr_sys_path_exists(path2));
error = {};
// Can create directory with parent directories
EXPECT_TRUE(tr_sys_dir_create(path2, TR_SYS_DIR_CREATE_PARENTS, 0751, &error));
EXPECT_FALSE(error) << error;
EXPECT_TRUE(tr_sys_path_exists(path1));
EXPECT_TRUE(tr_sys_path_exists(path2));
EXPECT_TRUE(validatePermissions(path1, 0751));
EXPECT_TRUE(validatePermissions(path2, 0751));
// Can create existing directory (no-op)
EXPECT_TRUE(tr_sys_dir_create(path1, 0, 0700, &error));
EXPECT_FALSE(error) << error;
EXPECT_TRUE(tr_sys_dir_create(path1, TR_SYS_DIR_CREATE_PARENTS, 0700, &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path2);
tr_sys_path_remove(path1);
}
TEST_F(FileTest, dirCreateTemp)
{
auto const test_dir = createTestDir(currentTestName());
auto error = tr_error{};
auto path = tr_pathbuf{ test_dir, "/test-XXXXXX" };
EXPECT_TRUE(tr_sys_dir_create_temp(std::data(path), &error));
EXPECT_FALSE(error) << error;
tr_sys_path_remove(path);
path.assign(test_dir, "/path-does-not-exist/test-XXXXXX");
EXPECT_FALSE(tr_sys_dir_create_temp(std::data(path), &error));
EXPECT_TRUE(error);
}
TEST_F(FileTest, dirRead)
{
auto const test_dir = createTestDir(currentTestName());
auto const path1 = tr_pathbuf{ test_dir, "/a"sv };
auto const path2 = tr_pathbuf{ test_dir, "/b"sv };
auto have1 = bool{};
auto have2 = bool{};
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);
testDirReadImpl(test_dir, &have1, &have2);
EXPECT_FALSE(have1);
EXPECT_TRUE(have2);
}
TEST_F(FileTest, dirOpen)
{
auto const test_dir = createTestDir(currentTestName());
auto const file = tr_pathbuf{ test_dir, "/foo.fxt" };
auto constexpr Contents = "hello, world!"sv;
createFileWithContents(file, std::data(Contents), std::size(Contents));
// path does not exist
auto err = tr_error{};
auto odir = tr_sys_dir_open("/no/such/path", &err);
EXPECT_EQ(TR_BAD_SYS_DIR, odir);
EXPECT_TRUE(err);
err = {};
// path is not a directory
odir = tr_sys_dir_open(file, &err);
EXPECT_EQ(TR_BAD_SYS_DIR, odir);
EXPECT_TRUE(err);
err = {};
// path exists and is readable
odir = tr_sys_dir_open(test_dir, &err);
EXPECT_NE(TR_BAD_SYS_DIR, odir);
EXPECT_FALSE(err);
auto files = std::set<std::string>{};
for (;;)
{
char const* const filename = tr_sys_dir_read_name(odir, &err);
if (filename == nullptr)
{
break;
}
files.insert(filename);
}
EXPECT_EQ(3U, std::size(files));
EXPECT_FALSE(err) << err;
EXPECT_TRUE(tr_sys_dir_close(odir, &err));
EXPECT_FALSE(err) << err;
}
} // namespace libtransmission::test
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