libs/process/test/spawn.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/spawn.hpp>
  23 #include <boost/process/async_pipe.hpp>
  24 #include <boost/process/async.hpp>
  25 #include <system_error>
  26
  27 #include <boost/filesystem.hpp>
  28
  29 #include <string>
  30 #include <istream>
  31 #include <cstdlib>
  32 #if defined(BOOST_WINDOWS_API)
  33 #   include <Windows.h>
  34 typedef boost::asio::windows::stream_handle pipe_end;
  35 #elif defined(BOOST_POSIX_API)
  36 #   include <sys/wait.h>
  37 #   include <unistd.h>
  38 typedef boost::asio::posix::stream_descriptor pipe_end;
  39 #endif
  40
  41 namespace fs = boost::filesystem;
  42 namespace bp = boost::process;
  43
  44 BOOST_AUTO_TEST_CASE(sync_io, *boost::unit_test::timeout(5))
  45 {
  46     using boost::unit_test::framework::master_test_suite;
  47
  48     bp::ipstream is;
  49     std::error_code ec;
  50
  51     bp::spawn(
  52         master_test_suite().argv[1],
  53         bp::args+={"test", "--echo-stdout", "hello"},
  54         bp::std_out > is,
  55         ec
  56     );
  57
  58     BOOST_CHECK(!ec);
  59
  60
  61     std::string s;
  62
  63     BOOST_TEST_CHECKPOINT("Starting read");
  64     is >> s;
  65     BOOST_TEST_CHECKPOINT("Finished read");
  66
  67     BOOST_CHECK_EQUAL(s, "hello");
  68 }
  69
  70
  71 struct read_handler
  72 {
  73     boost::asio::streambuf &buffer_;
  74
  75     read_handler(boost::asio::streambuf &buffer) : buffer_(buffer) {}
  76
  77     void operator()(const boost::system::error_code &ec, std::size_t size)
  78     {
  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_service io_service;
  91     bp::async_pipe p(io_service);
  92
  93     std::error_code ec;
  94     bp::spawn(
  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_service.run();
 107 }
 108
 109