openvpn3/test/unittests/test_pipe.cpp

#include "test_common.h"

#include <openvpn/common/string.hpp>
#include <openvpn/common/process.hpp>

using namespace openvpn;

TEST(misc, pipe) {
  RedirectPipe::InOut io;

  {
    Argv argv;
    io.in = "one\ntwo\nthree\nfour\nfive\nsix\nseven\neight\nnine\nten\n";
    argv.emplace_back("sort");
    argv.emplace_back("-u");
    //OPENVPN_LOG(argv.to_string());
    const int status = system_cmd("/usr/bin/sort", argv, nullptr, io, 0, nullptr);

    ASSERT_EQ(0, status) << "bad sort status=" << status << " stderr=" << io.err;

    const std::string expected = "eight\nfive\nfour\nnine\none\nseven\nsix\nten\nthree\ntwo\n";
    ASSERT_EQ (io.out, expected) << "bad sort EXPECTED:\n" << expected << "ACTUAL:\n" << io.out;
  }
}