#include "config.h" #include "test/src/test_command_path.h" #include <cstdlib>#include <sys/stat.h>#include <unistd.h>#include <torrent/exceptions.h>#include <torrent/torrent.h> #include "control.h"#include "globals.h"#include "rpc/parse_commands.h" CPPUNIT_TEST_SUITE_REGISTRATION(TestCommandPath); void initialize_command_local(); voidTestCommandPath::setUp() {  char temp_dir[] = "/tmp/rtorrent_test_path_XXXXXX";   CPPUNIT_ASSERT(mkdtemp(temp_dir) != nullptr);   // The temporary directory itself may sit behind a symlink, as /tmp does on  // macOS, so resolve it up front to keep the expected values exact.  m_temp_dir = resolve_path(temp_dir);   CPPUNIT_ASSERT(!m_temp_dir.empty());  CPPUNIT_ASSERT_EQUAL(0, mkdir((m_temp_dir + "/data").c_str(), 0755));  CPPUNIT_ASSERT_EQUAL(0, symlink((m_temp_dir + "/data").c_str(), (m_temp_dir + "/link").c_str()));} voidTestCommandPath::tearDown() {  unlink((m_temp_dir + "/link").c_str());  rmdir((m_temp_dir + "/data").c_str());  rmdir(m_temp_dir.c_str());} voidTestCommandPath::test_resolves_symlink() {  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data", resolve_path(m_temp_dir + "/link"));   // A path that lies below a symlinked directory is resolved as well.  CPPUNIT_ASSERT_EQUAL(0, mkdir((m_temp_dir + "/data/below").c_str(), 0755));  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data/below", resolve_path(m_temp_dir + "/link/below"));  rmdir((m_temp_dir + "/data/below").c_str());} voidTestCommandPath::test_removes_relative_components() {  CPPUNIT_ASSERT_EQUAL(m_temp_dir, resolve_path(m_temp_dir + "/data/.."));  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data", resolve_path(m_temp_dir + "/./data"));  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data", resolve_path(m_temp_dir + "/data/"));   // Trailing slashes and duplicated separators collapse.  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data", resolve_path(m_temp_dir + "//data//"));} voidTestCommandPath::test_expands_tilde() {  const char* home = std::getenv("HOME");   if (home == nullptr || *home == '\0')    return;   CPPUNIT_ASSERT_EQUAL(resolve_path(home), resolve_path("~"));  CPPUNIT_ASSERT_THROW(resolve_path("~root/somewhere"), torrent::input_error);} voidTestCommandPath::test_missing_path_throws() {  CPPUNIT_ASSERT_THROW(resolve_path_or_throw(""), torrent::input_error);  CPPUNIT_ASSERT_THROW(resolve_path_or_throw(m_temp_dir + "/does_not_exist"), torrent::input_error);  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data", resolve_path_or_throw(m_temp_dir + "/link"));} voidTestCommandPath::test_missing_path_is_empty() {  CPPUNIT_ASSERT_EQUAL(std::string(), resolve_path(""));  CPPUNIT_ASSERT_EQUAL(std::string(), resolve_path(m_temp_dir + "/does_not_exist"));  CPPUNIT_ASSERT_EQUAL(std::string(), resolve_path(m_temp_dir + "/does_not_exist/below"));   // A dangling symlink does not name an existing path either.  CPPUNIT_ASSERT_EQUAL(0, symlink((m_temp_dir + "/gone").c_str(), (m_temp_dir + "/dangling").c_str()));  CPPUNIT_ASSERT_EQUAL(std::string(), resolve_path(m_temp_dir + "/dangling"));  unlink((m_temp_dir + "/dangling").c_str());} voidTestCommandPath::test_commands() {  torrent::initialize_main_thread();  torrent::initialize();   if (control == nullptr)    control = new Control;   if (!rpc::commands.has("directory.default.realpath.or_empty"))    initialize_command_local();   rpc::commands.call_command("directory.default.set", m_temp_dir + "/link");   CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/link", rpc::commands.call_command("directory.default", torrent::Object()).as_string());  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data", rpc::commands.call_command("directory.default.realpath.or_empty", torrent::Object()).as_string());  CPPUNIT_ASSERT_EQUAL(m_temp_dir + "/data", rpc::commands.call_command("directory.default.realpath.or_throw", torrent::Object()).as_string());   // A directory that has not been created yet resolves to nothing, and the  // or_throw variant reports it instead.  rpc::commands.call_command("directory.default.set", m_temp_dir + "/missing");   CPPUNIT_ASSERT_EQUAL(std::string(), rpc::commands.call_command("directory.default.realpath.or_empty", torrent::Object()).as_string());  CPPUNIT_ASSERT_THROW(rpc::commands.call_command("directory.default.realpath.or_throw", torrent::Object()), torrent::input_error);   torrent::cleanup();}