157 lines
4.7 KiB
C++
157 lines
4.7 KiB
C++
//
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// Automated Testing Framework (atf)
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//
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// Copyright (c) 2010 The NetBSD Foundation, Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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extern "C" {
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#include <unistd.h>
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}
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#include <cerrno>
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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#include "atf-c++/config.hpp"
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#include "atf-c++/detail/application.hpp"
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#include "atf-c++/detail/fs.hpp"
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#include "atf-c++/detail/sanity.hpp"
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// ------------------------------------------------------------------------
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// Auxiliary functions.
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// ------------------------------------------------------------------------
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namespace {
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static
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std::string
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fix_plain_name(const char *filename)
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{
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const atf::fs::path filepath(filename);
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if (filepath.branch_path().str() == ".")
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return std::string("./") + filename;
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else
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return std::string(filename);
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}
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static
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std::string*
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construct_script(const char* filename)
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{
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const std::string libexecdir = atf::config::get("atf_libexecdir");
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const std::string pkgdatadir = atf::config::get("atf_pkgdatadir");
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const std::string shell = atf::config::get("atf_shell");
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std::string* command = new std::string();
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command->reserve(512);
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(*command) += ("Atf_Check='" + libexecdir + "/atf-check' ; " +
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"Atf_Shell='" + shell + "' ; " +
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". " + pkgdatadir + "/libatf-sh.subr ; " +
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". " + fix_plain_name(filename) + " ; " +
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"main \"${@}\"");
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return command;
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}
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static
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const char**
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construct_argv(const std::string& shell, const int interpreter_argc,
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const char* const* interpreter_argv)
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{
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PRE(interpreter_argc >= 1);
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PRE(interpreter_argv[0] != NULL);
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const std::string* script = construct_script(interpreter_argv[0]);
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const int count = 4 + (interpreter_argc - 1) + 1;
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const char** argv = new const char*[count];
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argv[0] = shell.c_str();
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argv[1] = "-c";
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argv[2] = script->c_str();
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argv[3] = interpreter_argv[0];
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for (int i = 1; i < interpreter_argc; i++)
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argv[4 + i - 1] = interpreter_argv[i];
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argv[count - 1] = NULL;
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return argv;
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}
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} // anonymous namespace
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// ------------------------------------------------------------------------
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// The "atf_sh" class.
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// ------------------------------------------------------------------------
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class atf_sh : public atf::application::app {
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static const char* m_description;
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public:
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atf_sh(void);
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int main(void);
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};
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const char* atf_sh::m_description =
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"atf-sh is a shell interpreter that extends the functionality of the "
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"system sh(1) with the atf-sh library.";
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atf_sh::atf_sh(void) :
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app(m_description, "atf-sh(1)")
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{
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}
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int
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atf_sh::main(void)
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{
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if (m_argc < 1)
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throw atf::application::usage_error("No test program provided");
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const atf::fs::path script(m_argv[0]);
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if (!atf::fs::exists(script))
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throw std::runtime_error("The test program '" + script.str() + "' "
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"does not exist");
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const std::string shell = atf::config::get("atf_shell");
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const char** argv = construct_argv(shell, m_argc, m_argv);
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// Don't bother keeping track of the memory allocated by construct_argv:
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// we are going to exec or die immediately.
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const int ret = execv(shell.c_str(), const_cast< char** >(argv));
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INV(ret == -1);
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std::cerr << "Failed to execute " << shell << ": " << std::strerror(errno)
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<< "\n";
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return EXIT_FAILURE;
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}
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int
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main(int argc, char* const* argv)
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{
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return atf_sh().run(argc, argv);
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}
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