ceph/src/boost/libs/process/test/bind_stdout.cpp

   1 // Copyright (c) 2006, 2007 Julio M. Merino Vidal
   2 // Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
   3 // Copyright (c) 2009 Boris Schaeling
   4 // Copyright (c) 2010 Felipe Tanus, Boris Schaeling
   5 // Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #define BOOST_TEST_MAIN
  11 #define BOOST_TEST_IGNORE_SIGCHLD
  12 #include <boost/test/included/unit_test.hpp>
  13
  14 #include <boost/system/error_code.hpp>
  15
  16 #include <boost/asio.hpp>
  17 #include <boost/algorithm/string/predicate.hpp>
  18
  19 #include <boost/process/error.hpp>
  20 #include <boost/process/io.hpp>
  21 #include <boost/process/args.hpp>
  22 #include <boost/process/child.hpp>
  23 #include <boost/process/async_pipe.hpp>
  24 #include <system_error>
  25
  26 #include <boost/filesystem.hpp>
  27
  28 #include <string>
  29 #include <istream>
  30 #include <cstdlib>
  31 #if defined(BOOST_WINDOWS_API)
  32 #   include <windows.h>
  33 typedef boost::asio::windows::stream_handle pipe_end;
  34 #elif defined(BOOST_POSIX_API)
  35 #   include <sys/wait.h>
  36 #   include <unistd.h>
  37 typedef boost::asio::posix::stream_descriptor pipe_end;
  38 #endif
  39
  40 namespace fs = boost::filesystem;
  41 namespace bp = boost::process;
  42
  43 BOOST_AUTO_TEST_CASE(sync_io, *boost::unit_test::timeout(5))
  44 {
  45     using boost::unit_test::framework::master_test_suite;
  46
  47     bp::ipstream is;
  48     std::error_code ec;
  49
  50     bp::child c(
  51         master_test_suite().argv[1],
  52         bp::args+={"test", "--echo-stdout", "hello"},
  53         bp::std_out > is,
  54         ec
  55     );
  56
  57     BOOST_CHECK(!ec);
  58
  59
  60     std::string s;
  61
  62     BOOST_TEST_CHECKPOINT("Starting read");
  63     is >> s;
  64     BOOST_TEST_CHECKPOINT("Finished read");
  65
  66     BOOST_CHECK_EQUAL(s, "hello");
  67 }
  68
  69
  70 struct read_handler
  71 {
  72     boost::asio::streambuf &buffer_;
  73
  74     read_handler(boost::asio::streambuf &buffer) : buffer_(buffer) {}
  75
  76     void operator()(const boost::system::error_code &ec, std::size_t size)
  77     {
  78         BOOST_REQUIRE(!ec);
  79         std::istream is(&buffer_);
  80         std::string line;
  81         std::getline(is, line);
  82         BOOST_CHECK(boost::algorithm::starts_with(line, "abc"));
  83     }
  84 };
  85
  86 BOOST_AUTO_TEST_CASE(async_io, *boost::unit_test::timeout(2))
  87 {
  88     using boost::unit_test::framework::master_test_suite;
  89
  90     boost::asio::io_context io_context;
  91     bp::async_pipe p(io_context);
  92
  93     std::error_code ec;
  94     bp::child c(
  95         master_test_suite().argv[1],
  96         "test", "--echo-stdout", "abc",
  97         bp::std_out > p,
  98         ec
  99     );
 100     BOOST_REQUIRE(!ec);
 101
 102     boost::asio::streambuf buffer;
 103     boost::asio::async_read_until(p, buffer, '\n',
 104         read_handler(buffer));
 105
 106     io_context.run();
 107 }
 108
 109 BOOST_AUTO_TEST_CASE(nul, *boost::unit_test::timeout(2))
 110 {
 111     using boost::unit_test::framework::master_test_suite;
 112
 113
 114     std::error_code ec;
 115     bp::child c(
 116         master_test_suite().argv[1],
 117         bp::args+={"test", "--is-nul-stdout"},
 118         bp::std_out>bp::null,
 119         ec
 120     );
 121     BOOST_REQUIRE(!ec);
 122
 123     c.wait();
 124     int exit_code = c.exit_code();
 125 #if defined(BOOST_WINDOWS_API)
 126     BOOST_CHECK_EQUAL(EXIT_SUCCESS, exit_code);
 127 #elif defined(BOOST_POSIX_API)
 128     BOOST_CHECK_EQUAL(EXIT_SUCCESS, exit_code);
 129 #endif
 130 }
 131
 132
 133
 134 BOOST_AUTO_TEST_CASE(file_io, *boost::unit_test::timeout(2))
 135 {
 136     using boost::unit_test::framework::master_test_suite;
 137
 138     fs::path pth =
 139             fs::path(master_test_suite().argv[1]).parent_path() / "std_out_log_file.txt";
 140
 141
 142     FILE* f = fopen(pth.string().c_str(), "w");
 143     BOOST_REQUIRE(f != nullptr);
 144
 145     std::error_code ec;
 146     bp::child c(
 147         master_test_suite().argv[1],
 148         bp::args={"test", "--echo-stdout", "hello"},
 149         bp::std_out>f,
 150         ec
 151     );
 152     BOOST_REQUIRE(!ec);
 153
 154     fclose(f);
 155
 156     c.wait();
 157     {
 158         fs::ifstream is{pth};
 159
 160         std::string s;
 161         is >> s;
 162         BOOST_CHECK_EQUAL(s, "hello");
 163     }
 164     boost::filesystem::remove(pth);
 165
 166 }