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/*=============================================================================
Boost.Wave: A Standard compliant C++ preprocessor library
http://www.boost.org/
Copyright (c) 2001-2006 Hartmut Kaiser. 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)
=============================================================================*/
// system headers
#include <string>
#include <iostream>
#include <vector>
// include boost
#include <boost/config.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/operations.hpp>
// test application related headers
#include "cmd_line_utils.hpp"
#include "testwave_app.hpp"
namespace po = boost::program_options;
namespace fs = boost::filesystem;
///////////////////////////////////////////////////////////////////////////////
//
// The debuglevel command line parameter is used to control the amount of text
// printed by the testwave application.
//
// level 0: prints nothing except serious failures preventing the testwave
// executable from running, the return value of the executable is
// equal to the number of failed tests
// level 1: prints a short summary only
// level 2: prints the names of the failed tests only
// level 3: prints the expected and real result for failed tests
// level 4: prints the outcome of every test
// level 5: prints the real result even for succeeded tests
//
// level 9: prints information about almost everything
//
// The default debug level is 1.
//
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
int
main(int argc, char *argv[])
{
int error_count = 0;
int config_file_error_count = 0;
try {
// analyze the command line options and arguments
po::options_description desc_cmdline ("Options allowed on the command line");
desc_cmdline.add_options()
("help,h", "print out program usage (this message)")
("version,v", "print the version number")
("copyright,c", "print out the copyright statement")
("config-file", po::value<std::vector<std::string> >()->composing(),
"specify a config file (alternatively: @arg)")
("debug,d", po::value<int>(), "set the debug level (0...9)")
;
// Hidden options, will be used in in config file analysis to allow to
// recognise positional arguments, will not be shown to the user.
po::options_description desc_hidden("Hidden options");
desc_hidden.add_options()
("input", po::value<std::vector<std::string> >()->composing(),
"inputfile")
;
// this is the test application object
po::variables_map vm;
testwave_app app(vm);
// all command line and config file options
po::options_description cmdline_options;
cmdline_options.add(desc_cmdline).add(app.common_options());
// parse command line
// (the (int) cast is to make the True64 compiler happy)
using namespace boost::program_options::command_line_style;
po::parsed_options opts(po::parse_command_line(argc, argv,
cmdline_options, (int)unix_style, cmd_line_utils::at_option_parser));
po::store(opts, vm);
po::notify(vm);
// ... act as required
if (vm.count("help")) {
po::options_description desc_help (
"Usage: testwave [options] [@config-file(s)] file(s)");
desc_help.add(desc_cmdline).add(app.common_options());
std::cout << desc_help << std::endl;
return 0;
}
// debug flag
if (vm.count("debug")) {
int debug_level = vm["debug"].as<int>();
if (debug_level < 0 || debug_level > 9) {
std::cerr
<< "testwave: please use an integer in the range [0..9] "
<< "as the parameter to the debug option!"
<< std::endl;
}
else {
app.set_debuglevel(debug_level);
}
}
if (vm.count("version")) {
return app.print_version();
}
if (vm.count("copyright")) {
return app.print_copyright();
}
// If there is specified at least one config file, parse it and add the
// options to the main variables_map
// Each of the config files is parsed into a separate variables_map to
// allow correct paths handling.
int input_count = 0;
if (vm.count("config-file")) {
std::vector<std::string> const &cfg_files =
vm["config-file"].as<std::vector<std::string> >();
if (9 == app.get_debuglevel()) {
std::cerr << "found " << (unsigned)cfg_files.size()
<< " config-file arguments" << std::endl;
}
std::vector<std::string>::const_iterator end = cfg_files.end();
for (std::vector<std::string>::const_iterator cit = cfg_files.begin();
cit != end; ++cit)
{
if (9 == app.get_debuglevel()) {
std::cerr << "reading config_file: " << *cit << std::endl;
}
// parse a single config file and store the results, config files
// may only contain --input and positional arguments
po::variables_map cvm;
if (!cmd_line_utils::read_config_file(app.get_debuglevel(),
*cit, desc_hidden, cvm))
{
if (9 == app.get_debuglevel()) {
std::cerr << "failed to read config_file: " << *cit
<< std::endl;
}
++config_file_error_count;
}
if (9 == app.get_debuglevel()) {
std::cerr << "succeeded to read config_file: " << *cit
<< std::endl;
}
// correct the paths parsed into this variables_map
if (cvm.count("input")) {
std::vector<std::string> const &infiles =
cvm["input"].as<std::vector<std::string> >();
if (9 == app.get_debuglevel()) {
std::cerr << "found " << (unsigned)infiles.size()
<< " entries" << std::endl;
}
std::vector<std::string>::const_iterator iend = infiles.end();
for (std::vector<std::string>::const_iterator iit = infiles.begin();
iit != iend; ++iit)
{
// correct the file name (prepend the cfg file path)
fs::path cfgpath = fs::complete(
fs::path(*cit, fs::native), fs::current_path());
fs::path filepath =
cfgpath.branch_path() / fs::path(*iit, fs::native);
if (9 == app.get_debuglevel()) {
std::cerr << std::string(79, '-') << std::endl;
std::cerr << "executing test: "
<< filepath.native_file_string()
<< std::endl;
}
// execute this unit test case
if (!app.test_a_file(filepath.native_file_string())) {
if (9 == app.get_debuglevel()) {
std::cerr << "failed to execute test: "
<< filepath.native_file_string()
<< std::endl;
}
++error_count;
}
else if (9 == app.get_debuglevel()) {
std::cerr << "succeeded to execute test: "
<< filepath.native_file_string()
<< std::endl;
}
++input_count;
if (9 == app.get_debuglevel()) {
std::cerr << std::string(79, '-') << std::endl;
}
}
}
else if (9 == app.get_debuglevel()) {
std::cerr << "no entries found" << std::endl;
}
}
}
// extract the arguments from the parsed command line
std::vector<po::option> arguments;
std::remove_copy_if(opts.options.begin(), opts.options.end(),
std::back_inserter(arguments), cmd_line_utils::is_argument());
if (9 == app.get_debuglevel()) {
std::cerr << "found " << (unsigned)arguments.size()
<< " arguments" << std::endl;
}
// iterate over remaining arguments
std::vector<po::option>::const_iterator arg_end = arguments.end();
for (std::vector<po::option>::const_iterator arg = arguments.begin();
arg != arg_end; ++arg)
{
fs::path filepath((*arg).value[0], fs::native);
if (9 == app.get_debuglevel()) {
std::cerr << std::string(79, '-') << std::endl;
std::cerr << "executing test: "
<< filepath.native_file_string()
<< std::endl;
}
if (!app.test_a_file(filepath.native_file_string())) {
if (9 == app.get_debuglevel()) {
std::cerr << "failed to execute test: "
<< filepath.native_file_string()
<< std::endl;
}
++error_count;
}
else if (9 == app.get_debuglevel()) {
std::cerr << "succeeded to execute test: "
<< filepath.native_file_string()
<< std::endl;
}
if (9 == app.get_debuglevel()) {
std::cerr << std::string(79, '-') << std::endl;
}
++input_count;
}
// print a message if no input is given
if (0 == input_count) {
std::cerr
<< "testwave: no input file specified, "
<< "try --help to get a hint."
<< std::endl;
return (std::numeric_limits<int>::max)() - 3;
}
else if (app.get_debuglevel() > 0) {
std::cout
<< "testwave: " << input_count-error_count
<< " of " << input_count << " test(s) succeeded";
if (0 != error_count) {
std::cout
<< " (" << error_count << " test(s) failed)";
}
std::cout << "." << std::endl;
}
}
catch (std::exception const& e) {
std::cerr << "testwave: exception caught: " << e.what() << std::endl;
return (std::numeric_limits<int>::max)() - 1;
}
catch (...) {
std::cerr << "testwave: unexpected exception caught." << std::endl;
return (std::numeric_limits<int>::max)() - 2;
}
return error_count + config_file_error_count;
}
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