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// Copyright (c) 2006, 2007 Julio M. Merino Vidal
// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
// Copyright (c) 2009 Boris Schaeling
// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#define BOOST_TEST_MAIN
#define BOOST_TEST_IGNORE_SIGCHLD
#include <boost/test/included/unit_test.hpp>
#include <boost/process/v1/child.hpp>
#include <boost/process/v1/environment.hpp>
#include <boost/process/v1/filesystem.hpp>
#include <boost/process/v1/io.hpp>
#include <boost/process/v1/pipe.hpp>
#include <boost/process/v1/posix.hpp>
#include <boost/process/v1/spawn.hpp>
#include <boost/process/v1/system.hpp>
#if !defined(BOOST_PROCESS_USE_STD_FS)
#include <boost/filesystem/directory.hpp>
#endif
#include <system_error>
#include <string>
#include <sys/wait.h>
#include <errno.h>
namespace fs = boost::process::v1::filesystem;
namespace bp = boost::process::v1;
BOOST_AUTO_TEST_CASE(bind_fd, *boost::unit_test::timeout(2))
{
using boost::unit_test::framework::master_test_suite;
bp::pipe p;
std::error_code ec;
bp::child c(
master_test_suite().argv[1],
"test", "--posix-echo-one", "3", "hello",
bp::posix::fd.bind(3, p.native_sink()),
ec
);
BOOST_CHECK(!ec);
bp::ipstream is(std::move(p));
std::string s;
is >> s;
BOOST_CHECK_EQUAL(s, "hello");
}
BOOST_AUTO_TEST_CASE(bind_fds, *boost::unit_test::timeout(2))
{
using boost::unit_test::framework::master_test_suite;
bp::pipe p1;
bp::pipe p2;
std::error_code ec;
bp::child c(
master_test_suite().argv[1],
"test","--posix-echo-two","3","hello","99","bye",
bp::posix::fd.bind(3, p1.native_sink()),
bp::posix::fd.bind(99, p2.native_sink()),
ec
);
BOOST_CHECK(!ec);
bp::ipstream is1(std::move(p1));
bp::ipstream is2(std::move(p2));
std::string s1;
is1 >> s1;
BOOST_CHECK_EQUAL(s1, "hello");
std::string s2;
is2 >> s2;
BOOST_CHECK_EQUAL(s2, "bye");
}
BOOST_AUTO_TEST_CASE(execve_set_on_error, *boost::unit_test::timeout(2))
{
std::error_code ec;
bp::spawn(
"doesnt-exist",
ec
);
BOOST_CHECK(ec);
BOOST_CHECK_EQUAL(ec.value(), ENOENT);
}
BOOST_AUTO_TEST_CASE(execve_throw_on_error, *boost::unit_test::timeout(2))
{
try
{
bp::spawn("doesnt-exist");
BOOST_CHECK(false);
}
catch (bp::process_error &e)
{
BOOST_CHECK(e.code());
BOOST_CHECK_EQUAL(e.code().value(), ENOENT);
}
}
BOOST_AUTO_TEST_CASE(leak_test, *boost::unit_test::timeout(5))
{
using boost::unit_test::framework::master_test_suite;
std::error_code ec;
const auto pid = boost::this_process::get_id();
const auto fd_path = fs::path("/proc") / std::to_string(pid) / "fd";
auto get_fds = [&]{
std::vector<int> fds;
for (auto && fd : fs::directory_iterator(fd_path))
fds.push_back(std::stoi(fd.path().filename().string()));
return fds;
};
std::vector<int> fd_list = get_fds();
if (fd_list.empty()) //then there's no /proc in the current linux distribution.
return;
BOOST_CHECK(std::find(fd_list.begin(), fd_list.end(), STDOUT_FILENO) != fd_list.end());
BOOST_CHECK(std::find(fd_list.begin(), fd_list.end(), STDIN_FILENO) != fd_list.end());
BOOST_CHECK(std::find(fd_list.begin(), fd_list.end(), STDERR_FILENO) != fd_list.end());
bp::pipe p; //should add two descriptors.
auto fd_list_new = get_fds();
BOOST_CHECK_EQUAL(fd_list_new.size(), fd_list.size() + 2);
fd_list.push_back(p.native_source());
fd_list.push_back(p.native_sink());
BOOST_CHECK_EQUAL(
bp::system(
master_test_suite().argv[1],
"test", "--exit-code", "123", ec), 123);
fd_list_new = get_fds();
BOOST_CHECK_EQUAL(fd_list.size(), fd_list_new.size());
const int native_source = p.native_source();
BOOST_CHECK_EQUAL(
bp::system(
master_test_suite().argv[1],
bp::std_in < p,
"test", "--exit-code", "123", ec), 123);
BOOST_CHECK(!ec);
////now, p.source should be closed, so we remove it from fd_list
const auto itr = std::find(fd_list.begin(), fd_list.end(), native_source);
if (itr != fd_list.end())
fd_list.erase(itr);
fd_list_new = get_fds();
BOOST_CHECK_EQUAL(fd_list.size(), fd_list_new.size());
}
BOOST_AUTO_TEST_CASE(pipe_fd_is_not_leaked, *boost::unit_test::timeout(5))
{
const std::string partner = boost::unit_test::framework::master_test_suite().argv[1];
#define test(parent_closes_source, fd_to_check, expected_exitcode, call_args...) \
do { \
boost::asio::io_context ioctx; \
bp::async_pipe pipe(ioctx); \
BOOST_CHECK_NE(pipe.native_source(), -1); \
BOOST_CHECK_NE(pipe.native_sink(), -1); \
BOOST_CHECK_EQUAL(bp::system(partner, "--has-handle", std::to_string(fd_to_check), call_args), expected_exitcode); \
if (parent_closes_source) { \
BOOST_CHECK_EQUAL(pipe.native_source(), -1); \
BOOST_CHECK_NE(pipe.native_sink(), -1); \
} else { \
BOOST_CHECK_NE(pipe.native_source(), -1); \
BOOST_CHECK_EQUAL(pipe.native_sink(), -1); \
} \
} while (0)
// Both parent and child processes must close the end of the pipe which they don't use,
// and pipe_in/pipe_out must close the original source/sink fd after redirecting in the child process,
// so that they don't keep the pipe open unnecessarily.
test(true, STDIN_FILENO , EXIT_SUCCESS, bp::std_in < pipe);
test(true, pipe.native_source(), EXIT_FAILURE, bp::std_in < pipe);
test(true, pipe.native_sink() , EXIT_FAILURE, bp::std_in < pipe);
test(false, STDOUT_FILENO , EXIT_SUCCESS, bp::std_out > pipe);
test(false, pipe.native_source(), EXIT_FAILURE, bp::std_out > pipe);
test(false, pipe.native_sink() , EXIT_FAILURE, bp::std_out > pipe);
test(false, STDERR_FILENO , EXIT_SUCCESS, bp::std_err > pipe);
test(false, pipe.native_source(), EXIT_FAILURE, bp::std_err > pipe);
test(false, pipe.native_sink() , EXIT_FAILURE, bp::std_err > pipe);
test(false, STDOUT_FILENO , EXIT_SUCCESS, (bp::std_out & bp::std_err) > pipe);
test(false, STDERR_FILENO , EXIT_SUCCESS, (bp::std_out & bp::std_err) > pipe);
test(false, pipe.native_source(), EXIT_FAILURE, (bp::std_out & bp::std_err) > pipe);
test(false, pipe.native_sink() , EXIT_FAILURE, (bp::std_out & bp::std_err) > pipe);
#undef test
}
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