tripwire-open-source/src/twtest/cmdlineparser_t.cpp

//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc.  All rights
// reserved.
// 
// This program is free software.  The contents of this file are subject
// to the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.  You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
// 
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE.  Please see the GNU General Public License
// for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
// 
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
///////////////////////////////////////////////////////////////////////////////
// cmdlineparser_t.cpp

#include "core/stdcore.h"
#include "core/cmdlineparser.h"
#include "twtest/test.h"
//#include "tw/twutil.h"
//#include "tw/twstrings.h"

const int argc1 = 9;
const TCHAR* argv1[] = 
{
    _T("tripwire"),
    _T("-m"),
    _T("Init"),
    _T("-tp"),
    _T("one"),
    _T("two"),
    _T("--verbose"),
    _T("frog"),
    _T("cat")
};

const int argc2 = 3;
const TCHAR* argv2[] = 
{
    _T("tripwire"),
    _T("-m"),
    _T("-v")
};

const int argc3 = 3;
const TCHAR* argv3[] = 
{
    _T("tripwire"),
    _T("dog"),
    _T("-v"),
};

// test with the last param wanting 1 or 0 parameters :-)
const int argc4 = 5;
const TCHAR* argv4[] = 
{
    _T("tripwire"),
    _T("-tp"),
    _T("-v"),
    _T("frog"),
    _T("cat")
};

const int argc5 = 4;
const TCHAR* argv5[] = 
{
    _T("tripwire"),
    _T("-tp"),
    _T("-v"),
    _T("frog")
};

#ifdef _DEBUG
static void PrintCmdLine(int argc, const TCHAR** argv, cDebug d)
{
    TSTRING str;
    d.TraceDebug("Testing command line:\n");
    for(int i=0; i < argc; i++)
    {
        str += argv[i];
        str += _T(" ");
    }
    d.TraceDebug(_T(">>>%s\n"), str.c_str());
}
#endif

static void test_parse(cCmdLineParser& parser, const int argc, const TCHAR** argv, bool should_throw)
{
#ifdef _DEBUG
    cDebug d("test_parse");
    PrintCmdLine(argc, argv, d);
#endif
    
    bool threw = false;
    
    try {
        parser.Parse(argc, argv);
        
    } catch (eError& e) {
        if (!should_throw)
            TCERR << e.GetMsg() << std::endl;
        threw = true;
    }
    
    TEST(threw == should_throw);
    
#ifdef _DEBUG
    parser.TraceContents();
#endif
}



void TestCmdLineParser()
{
    enum ArgId { ID_M, ID_TP, ID_V, ID_UNNAMED };

    try {
        cCmdLineParser p;
        p.AddArg(ID_M,          TSTRING(_T("m")),   TSTRING(_T("mode")),        cCmdLineParser::PARAM_ONE);
        p.AddArg(ID_TP,         TSTRING(_T("tp")),  TSTRING(_T("twoparam")),    cCmdLineParser::PARAM_MANY);
        p.AddArg(ID_V,          TSTRING(_T("v")),   TSTRING(_T("verbose")),     cCmdLineParser::PARAM_NONE);
        p.AddArg(ID_UNNAMED,    TSTRING(_T("")),    TSTRING(_T("")),            cCmdLineParser::PARAM_MANY);

        cDebug d("TestCmdLineParser");

        test_parse(p, argc1, argv1, false);
        test_parse(p, argc2, argv2, true);
        test_parse(p, argc3, argv3, true);
        test_parse(p, argc4, argv4, false);

        // command line arg mutual exclusion
        d.TraceDebug("** Making -m and -v mutually exclusive, then running on first cmd line...\n");
        p.AddMutEx(ID_M, ID_V);
        test_parse(p, argc1, argv1, true);  // should fail
        
        // make the command line want one parameter
        d.TraceDebug("** Changing cmd line to only want one last param...\n");
        p.AddArg(ID_UNNAMED,    TSTRING(_T("")),    TSTRING(_T("")),            cCmdLineParser::PARAM_ONE);
        test_parse(p, argc4, argv4, true);

        test_parse(p, argc5, argv5, false);

        // TODO -- test a bunch more!!!
    }
    catch (eCmdLine &e)
    {
        TCERR << _T("Command line error: ");
        TCERR << e.GetMsg() << std::endl;
        //TODO...
        TEST(false);
    }
}