premiere-libtorrent/test/main.cpp

573 lines
14 KiB
C++

/*
Copyright (c) 2008, Arvid Norberg
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#include <iostream>
#include <boost/config.hpp>
#include <fcntl.h>
#include <cstdio>
#include <cstdlib> // for exit()
#include "libtorrent/address.hpp"
#include "libtorrent/socket.hpp"
#include "setup_transfer.hpp" // for _g_test_failures
#include "test.hpp"
#include "dht_server.hpp" // for stop_dht
#include "peer_server.hpp" // for stop_peer
#include "udp_tracker.hpp" // for stop_udp_tracker
#include <boost/system/system_error.hpp>
#include "libtorrent/assert.hpp"
#include "libtorrent/aux_/path.hpp"
#include "libtorrent/random.hpp"
#include "libtorrent/aux_/escape_string.hpp"
#include <csignal>
#ifdef _WIN32
#include "libtorrent/aux_/windows.hpp" // fot SetErrorMode
#include <io.h> // for _dup and _dup2
#include <process.h> // for _getpid
#include <crtdbg.h>
#define dup _dup
#define dup2 _dup2
#else
#include <unistd.h> // for getpid()
#endif
using namespace lt;
namespace {
// these are global so we can restore them on abnormal exits and print stuff
// out, such as the log
int old_stdout = -1;
int old_stderr = -1;
bool redirect_stdout = true;
// sanitizer output will go to stderr and we won't get an opportunity to print
// it, so don't redirect stderr by default
bool redirect_stderr = false;
bool keep_files = false;
// the current tests file descriptor
unit_test_t* current_test = nullptr;
void output_test_log_to_terminal()
{
if (current_test == nullptr
|| current_test->output == nullptr)
return;
fflush(stdout);
fflush(stderr);
if (old_stdout != -1)
{
dup2(old_stdout, fileno(stdout));
old_stdout = -1;
}
if (old_stderr != -1)
{
dup2(old_stderr, fileno(stderr));
old_stderr = -1;
}
fseek(current_test->output, 0, SEEK_SET);
std::printf("\x1b[1m[%s]\x1b[0m\n\n", current_test->name);
char buf[4096];
std::size_t size = 0;
do {
size = fread(buf, 1, sizeof(buf), current_test->output);
if (size > 0) fwrite(buf, 1, size, stdout);
} while (size > 0);
}
#ifdef _WIN32
LONG WINAPI seh_exception_handler(LPEXCEPTION_POINTERS p)
{
char stack_text[10000];
#if TORRENT_USE_ASSERTS \
|| defined TORRENT_ASIO_DEBUGGING \
|| defined TORRENT_PROFILE_CALLS \
|| defined TORRENT_DEBUG_BUFFERS
print_backtrace(stack_text, sizeof(stack_text), 30
, p->ContextRecord);
#elif defined __FUNCTION__
strcpy(stack_text, __FUNCTION__);
#else
strcpy(stack_text, "<stack traces disabled>");
#endif
int const code = p->ExceptionRecord->ExceptionCode;
char const* name = "<unknown exception>";
switch (code)
{
#define EXC(x) case x: name = #x; break
EXC(EXCEPTION_ACCESS_VIOLATION);
EXC(EXCEPTION_ARRAY_BOUNDS_EXCEEDED);
EXC(EXCEPTION_BREAKPOINT);
EXC(EXCEPTION_DATATYPE_MISALIGNMENT);
EXC(EXCEPTION_FLT_DENORMAL_OPERAND);
EXC(EXCEPTION_FLT_DIVIDE_BY_ZERO);
EXC(EXCEPTION_FLT_INEXACT_RESULT);
EXC(EXCEPTION_FLT_INVALID_OPERATION);
EXC(EXCEPTION_FLT_OVERFLOW);
EXC(EXCEPTION_FLT_STACK_CHECK);
EXC(EXCEPTION_FLT_UNDERFLOW);
EXC(EXCEPTION_ILLEGAL_INSTRUCTION);
EXC(EXCEPTION_IN_PAGE_ERROR);
EXC(EXCEPTION_INT_DIVIDE_BY_ZERO);
EXC(EXCEPTION_INT_OVERFLOW);
EXC(EXCEPTION_INVALID_DISPOSITION);
EXC(EXCEPTION_NONCONTINUABLE_EXCEPTION);
EXC(EXCEPTION_PRIV_INSTRUCTION);
EXC(EXCEPTION_SINGLE_STEP);
EXC(EXCEPTION_STACK_OVERFLOW);
#undef EXC
};
std::printf("exception: (0x%x) %s caught:\n%s\n"
, code, name, stack_text);
output_test_log_to_terminal();
exit(code);
}
#else
[[noreturn]] void sig_handler(int sig)
{
char stack_text[10000];
#if TORRENT_USE_ASSERTS \
|| defined TORRENT_ASIO_DEBUGGING \
|| defined TORRENT_PROFILE_CALLS \
|| defined TORRENT_DEBUG_BUFFERS
print_backtrace(stack_text, sizeof(stack_text), 30);
#elif defined __FUNCTION__
strcpy(stack_text, __FUNCTION__);
#else
strcpy(stack_text, "<stack traces disabled>");
#endif
char const* name = "<unknown signal>";
switch (sig)
{
#define SIG(x) case x: name = #x; break
SIG(SIGSEGV);
#ifdef SIGBUS
SIG(SIGBUS);
#endif
SIG(SIGINT);
SIG(SIGTERM);
SIG(SIGILL);
SIG(SIGABRT);
SIG(SIGFPE);
#ifdef SIGSYS
SIG(SIGSYS);
#endif
#undef SIG
};
std::printf("signal: (%d) %s caught:\n%s\n"
, sig, name, stack_text);
output_test_log_to_terminal();
exit(128 + sig);
}
#endif // _WIN32
void print_usage(char const* executable)
{
std::printf("%s [options] [tests...]\n"
"\n"
"OPTIONS:\n"
"-h,--help show this help\n"
"-l,--list list the tests available to run\n"
"-k,--keep keep files created by the test\n"
" regardless of whether it passed or not\n"
"-n,--no-redirect don't redirect test output to\n"
" temporary file, but let it go straight\n"
" to stdout\n"
"--stderr-redirect also redirect stderr in addition to stdout\n"
"\n"
"for tests, specify one or more test names as printed\n"
"by -l. If no test is specified, all tests are run\n", executable);
}
void change_directory(std::string const& f, error_code& ec)
{
ec.clear();
native_path_string const n = convert_to_native_path_string(f);
#ifdef TORRENT_WINDOWS
if (SetCurrentDirectoryW(n.c_str()) == 0)
ec.assign(GetLastError(), system_category());
#else
int ret = ::chdir(n.c_str());
if (ret != 0)
ec.assign(errno, system_category());
#endif
}
} // anonymous namespace
struct unit_directory_guard
{
std::string dir;
unit_directory_guard(unit_directory_guard const&) = delete;
unit_directory_guard& operator=(unit_directory_guard const&) = delete;
~unit_directory_guard()
{
if (keep_files) return;
error_code ec;
std::string const parent_dir = parent_path(dir);
// windows will not allow to remove current dir, so let's change it to root
change_directory(parent_dir, ec);
if (ec)
{
TEST_ERROR("Failed to change directory: " + ec.message());
return;
}
remove_all(dir, ec);
#ifdef TORRENT_WINDOWS
if (ec.value() == ERROR_SHARING_VIOLATION)
{
// on windows, files are removed in the background, and we may need
// to wait a little bit
std::this_thread::sleep_for(milliseconds(400));
remove_all(dir, ec);
}
#endif
if (ec) std::cerr << "Failed to remove unit test directory: " << ec.message() << "\n";
}
};
void EXPORT reset_output()
{
if (current_test == nullptr || current_test->output == nullptr) return;
fflush(stdout);
fflush(stderr);
rewind(current_test->output);
#ifdef TORRENT_WINDOWS
int const r = _chsize(fileno(current_test->output), 0);
#else
int const r = ftruncate(fileno(current_test->output), 0);
#endif
if (r != 0)
{
// this is best effort, it's not the end of the world if we fail
std::cerr << "ftruncate of temporary test output file failed: " << strerror(errno) << "\n";
}
}
int EXPORT main(int argc, char const* argv[])
{
char const* executable = argv[0];
// skip executable name
++argv;
--argc;
// pick up options
while (argc > 0 && argv[0][0] == '-')
{
if (argv[0] == "-h"_sv || argv[0] == "--help"_sv)
{
print_usage(executable);
return 0;
}
if (argv[0] == "-l"_sv || argv[0] == "--list"_sv)
{
std::printf("TESTS:\n");
for (int i = 0; i < _g_num_unit_tests; ++i)
{
std::printf(" - %s\n", _g_unit_tests[i].name);
}
return 0;
}
if (argv[0] == "-n"_sv || argv[0] == "--no-redirect"_sv)
{
redirect_stdout = false;
redirect_stderr = false;
}
if (argv[0] == "--stderr-redirect"_sv)
{
redirect_stderr = true;
}
if (argv[0] == "-k"_sv || argv[0] == "--keep"_sv)
{
keep_files = true;
}
++argv;
--argc;
}
std::set<std::string> tests_to_run;
bool filter = false;
for (int i = 0; i < argc; ++i)
{
tests_to_run.insert(argv[i]);
filter = true;
}
#ifdef O_NONBLOCK
// on darwin, stdout is set to non-blocking mode by default
// which sometimes causes tests to fail with EAGAIN just
// by printing logs
int flags = fcntl(fileno(stdout), F_GETFL, 0);
fcntl(fileno(stdout), F_SETFL, flags & ~O_NONBLOCK);
flags = fcntl(fileno(stderr), F_GETFL, 0);
fcntl(fileno(stderr), F_SETFL, flags & ~O_NONBLOCK);
#endif
#ifdef _WIN32
// try to suppress hanging the process by windows displaying
// modal dialogs.
SetErrorMode(SEM_NOALIGNMENTFAULTEXCEPT
| SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
SetUnhandledExceptionFilter(&seh_exception_handler);
#ifdef _DEBUG
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
#endif
#else
signal(SIGSEGV, &sig_handler);
#ifdef SIGBUS
signal(SIGBUS, &sig_handler);
#endif
signal(SIGILL, &sig_handler);
signal(SIGINT, &sig_handler);
signal(SIGABRT, &sig_handler);
signal(SIGFPE, &sig_handler);
#ifdef SIGSYS
signal(SIGSYS, &sig_handler);
#endif
#endif // _WIN32
int process_id = -1;
#ifdef _WIN32
process_id = _getpid();
#else
process_id = getpid();
#endif
std::string const root_dir = current_working_directory();
std::string const unit_dir_prefix = combine_path(root_dir, "test_tmp_" + std::to_string(process_id) + "_");
std::printf("test: %s\ncwd_prefix = \"%s\"\nrnd = %x\n"
, executable, unit_dir_prefix.c_str(), lt::random(0xffffffff));
if (_g_num_unit_tests == 0)
{
std::printf("\x1b[31mTEST_ERROR: no unit tests registered\x1b[0m\n");
return 1;
}
if (redirect_stdout) old_stdout = dup(fileno(stdout));
if (redirect_stderr) old_stderr = dup(fileno(stderr));
int num_run = 0;
for (int i = 0; i < _g_num_unit_tests; ++i)
{
if (filter && tests_to_run.count(_g_unit_tests[i].name) == 0)
continue;
std::string const unit_dir = unit_dir_prefix + std::to_string(i);
error_code ec;
create_directory(unit_dir, ec);
if (ec)
{
std::printf("Failed to create unit test directory: %s\n", ec.message().c_str());
output_test_log_to_terminal();
return 1;
}
unit_directory_guard unit_dir_guard{unit_dir};
change_directory(unit_dir, ec);
if (ec)
{
std::printf("Failed to change unit test directory: %s\n", ec.message().c_str());
output_test_log_to_terminal();
return 1;
}
std::printf("cwd: %s\n", unit_dir.c_str());
unit_test_t& t = _g_unit_tests[i];
if (redirect_stdout || redirect_stderr)
{
// redirect test output to a temporary file
fflush(stdout);
fflush(stderr);
#ifdef TORRENT_MINGW
// mingw has a buggy tmpfile() and tmpname() that needs a . prepended
// to it (or some other directory)
char temp_name[512];
FILE* f = nullptr;
if (tmpnam_s(temp_name + 1, sizeof(temp_name) - 1) == 0)
{
temp_name[0] = '.';
std::printf("using temporary filename %s\n", temp_name);
f = fopen(temp_name, "wb+");
}
else
{
std::printf("failed to generate filename for redirecting "
"output: (%d) %s\n", errno, strerror(errno));
}
#else
FILE* f = tmpfile();
#endif
if (f != nullptr)
{
int ret1 = 0;
if (redirect_stdout) ret1 |= dup2(fileno(f), fileno(stdout));
if (redirect_stderr) ret1 |= dup2(fileno(f), fileno(stderr));
if (ret1 >= 0)
{
t.output = f;
}
else
{
std::printf("failed to redirect output: (%d) %s\n"
, errno, strerror(errno));
}
}
else
{
std::printf("failed to create temporary file for redirecting "
"output: (%d) %s\n", errno, strerror(errno));
}
}
// get proper interleaving of stderr and stdout
setbuf(stdout, nullptr);
setbuf(stderr, nullptr);
_g_test_idx = i;
current_test = &t;
#ifndef BOOST_NO_EXCEPTIONS
try
{
#endif
#if defined TORRENT_BUILD_SIMULATOR
lt::aux::random_engine().seed(0x82daf973);
#endif
_g_test_failures = 0;
(*t.fun)();
#ifndef BOOST_NO_EXCEPTIONS
}
catch (boost::system::system_error const& e)
{
char buf[200];
std::snprintf(buf, sizeof(buf), "TEST_ERROR: Terminated with system_error: (%d) [%s] \"%s\""
, e.code().value()
, e.code().category().name()
, e.code().message().c_str());
report_failure(buf, __FILE__, __LINE__);
}
catch (std::exception const& e)
{
char buf[200];
std::snprintf(buf, sizeof(buf), "TEST_ERROR: Terminated with exception: \"%s\"", e.what());
report_failure(buf, __FILE__, __LINE__);
}
catch (...)
{
report_failure("TEST_ERROR: Terminated with unknown exception", __FILE__, __LINE__);
}
#endif
if (!tests_to_run.empty()) tests_to_run.erase(t.name);
if (_g_test_failures > 0)
{
output_test_log_to_terminal();
}
t.num_failures = _g_test_failures;
t.run = true;
++num_run;
if (redirect_stdout && t.output)
fclose(t.output);
}
if (redirect_stdout && old_stdout != -1) dup2(old_stdout, fileno(stdout));
if (redirect_stderr && old_stderr != -1) dup2(old_stderr, fileno(stderr));
if (!tests_to_run.empty())
{
std::printf("\x1b[1mUNKONWN tests:\x1b[0m\n");
for (std::set<std::string>::iterator i = tests_to_run.begin()
, end(tests_to_run.end()); i != end; ++i)
{
std::printf(" %s\n", i->c_str());
}
}
if (num_run == 0)
{
std::printf("\x1b[31mTEST_ERROR: no unit tests run\x1b[0m\n");
output_test_log_to_terminal();
return 1;
}
// just in case of premature exits
// make sure we try to clean up some
stop_udp_tracker();
stop_all_proxies();
stop_web_server();
stop_peer();
stop_dht();
if (redirect_stdout) fflush(stdout);
if (redirect_stderr) fflush(stderr);
return print_failures() ? 333 : 0;
}