Testcase.cc

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#include <iostream>
#include <fstream>
#include <sstream>
#include <streambuf>

#include "zypp/solver/detail/Testcase.h"
#include "zypp/base/Logger.h"
#include "zypp/base/LogControl.h"
#include "zypp/PathInfo.h"
#include "zypp/Product.h"
#include "zypp/Package.h"
#include "zypp/Edition.h"
#include "zypp/target/store/xml_escape_parser.hpp"
#include "zypp/capability/VersionedCap.h"
#include "zypp/base/String.h"
#include "zypp/base/PtrTypes.h"


namespace zypp
{ 

  namespace solver
  { 

    namespace detail
    { 
        
#define TAB "\t"
#define TAB2 "\t\t"
        
using namespace std;
using namespace zypp::capability;
using namespace zypp::str;

IMPL_PTR_TYPE(HelixResolvable); 

static std::string xml_escape( const std::string &text )
{
  iobind::parser::xml_escape_parser parser;
  return parser.escape(text);
}

static std::string xml_tag_enclose( const std::string &text, const std::string &tag, bool escape = false )
{
  string result;
  result += "<" + tag + ">";

  if ( escape)
   result += xml_escape(text);
  else
   result += text;

  result += "</" + tag + ">";
  return result;
}

        
template<class T>
std::string helixXML( const T &obj ); //undefined

template<> 
std::string helixXML( const Edition &edition )
{
    stringstream str;
    str << xml_tag_enclose(edition.version(), "version");
    if (!edition.release().empty())
        str << xml_tag_enclose(edition.release(), "release");
    if (edition.epoch() != Edition::noepoch)
        str << xml_tag_enclose(numstring(edition.epoch()), "epoch");    
    return str.str();
}

template<> 
std::string helixXML( const Arch &arch )
{
    stringstream str;
    str << xml_tag_enclose(arch.asString(), "arch");        
    return str.str();    
}

template<> 
std::string helixXML( const Capability &cap )
{
    stringstream str;
    if (isKind<VersionedCap>(cap)
        && cap.op() != Rel::NONE
        && cap.op() != Rel::ANY
        && !cap.edition().version().empty()) {
        // version capability
        str << "<dep name='" << xml_escape(cap.index()) << "' op='" << xml_escape(cap.op().asString()) <<
            "' version='" << cap.edition().version() << "'";
        if (!cap.edition().release().empty())
            str << " release='" << cap.edition().release() << "'";
        if (cap.edition().epoch() != Edition::noepoch)
            str << " epoch='" << numstring(cap.edition().epoch()) << "'";
    } else {
        // anything else
        str << "<dep name='" << xml_escape(cap.asString()) << "'";
    }
    str << " kind=\"" << toLower (cap.refers().asString()) << "\""
        << " />" << endl;
        
    return str.str();    
}

template<> 
std::string helixXML( const CapSet &caps )
{
    stringstream str;
    CapSet::iterator it = caps.begin();
    str << endl;
    for ( ; it != caps.end(); ++it)
    {
        str << TAB2 << helixXML((*it));
    }
    str << TAB;
    return str.str();
}

template<> 
std::string helixXML( const Dependencies &dep )
{
    stringstream str;
    if ( dep[Dep::PROVIDES].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::PROVIDES]), "provides") << endl;
    if ( dep[Dep::CONFLICTS].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::CONFLICTS]), "conflicts") << endl;
    if ( dep[Dep::OBSOLETES].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::OBSOLETES]), "obsoletes") << endl;
    if ( dep[Dep::FRESHENS].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::FRESHENS]), "freshens") << endl;
    if ( dep[Dep::REQUIRES].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::REQUIRES]), "requires") << endl;  
    if ( dep[Dep::RECOMMENDS].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::RECOMMENDS]), "recommends") << endl;
    if ( dep[Dep::ENHANCES].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::ENHANCES]), "enhances") << endl;
    if ( dep[Dep::SUPPLEMENTS].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::SUPPLEMENTS]), "supplements") << endl;
    if ( dep[Dep::SUGGESTS].size() > 0 )
        str << TAB << xml_tag_enclose(helixXML(dep[Dep::SUGGESTS]), "suggests") << endl;
    return str.str();    
}

std::string helixXML( const Resolvable::constPtr &resolvable )
{
  stringstream str;
  str << "<" << toLower (resolvable->kind().asString()) << ">" << endl;
  str << TAB << xml_tag_enclose (resolvable->name(), "name", true) << endl;  
  if ( isKind<Package>(resolvable) ) {
      str << TAB << "<history>" << endl << TAB << "<update>" << endl;
      str << TAB2 << helixXML (resolvable->arch()) << endl;
      str << TAB2 << helixXML (resolvable->edition()) << endl;      
      str << TAB << "</update>" << endl << TAB << "</history>" << endl;
  } else {
      str << TAB << helixXML (resolvable->arch()) << endl;      
      str << TAB << helixXML (resolvable->edition()) << endl;            
  }
  str << helixXML (resolvable->deps());              

  str << "</" << toLower (resolvable->kind().asString()) << ">" << endl;  
  return str.str();
}

//---------------------------------------------------------------------------

Testcase::Testcase()
    :dumpPath("/var/log/YaST2/solverTestcase")    
{
}

Testcase::Testcase(const std::string & path)
    :dumpPath(path)
{
}
        

Testcase::~Testcase()
{
}

bool Testcase::createTestcase(Resolver & resolver)
{
    PathInfo path (dumpPath);

    if ( !path.isExist() ) {
        if (zypp::filesystem::mkdir (dumpPath)!=0) {
            ERR << "Cannot create directory " << dumpPath << endl;
            return false;
        }
    } else {
        if (!path.isDir()) {
            ERR << dumpPath << " is not a directory." << endl;
            return false;
        }
        // remove old stuff
        zypp::filesystem::clean_dir (dumpPath);
    }
    
    zypp::base::LogControl::instance().logfile( dumpPath +"/y2log" );
    zypp::base::LogControl::TmpExcessive excessive;
    
    resolver.resolvePool();

    zypp::base::LogControl::instance().logfile( "/var/log/YaST2/y2log" );    

    ResPool pool        = resolver.pool();
    SourceTable         sourceTable;
    PoolItemList        items_to_install;
    PoolItemList        items_to_remove;    
    HelixResolvable     system (dumpPath + "/solver-system.xml");    

    for ( ResPool::const_iterator it = pool.begin(); it != pool.end(); ++it )
    {
        Resolvable::constPtr res = it->resolvable();
        
        if ( it->status().isInstalled() ) {
            // system channel
            system.addResolvable (res);
        } else {
            // source channels
            ResObject::constPtr sourceItem = it->resolvable();
            Source_Ref source  = sourceItem->source();
            if (sourceTable.find (source) == sourceTable.end()) {
                sourceTable[source] = new HelixResolvable(dumpPath + "/"
                                                          + numstring(source.numericId())
                                                          + "-package.xml");
            }
            sourceTable[source]->addResolvable (res);
        }
        
        if ( it->status().isToBeInstalled()
             && !(it->status().isBySolver())) {
            items_to_install.push_back (*it);
        }
        if ( it->status().isToBeUninstalled()
             && !(it->status().isBySolver())) {
            items_to_remove.push_back (*it);
        }
    }

    // writing control file "*-test.xml"

    HelixControl control (dumpPath + "/solver-test.xml",
                          sourceTable,
                          resolver.architecture());

    for (PoolItemList::const_iterator iter = items_to_install.begin(); iter != items_to_install.end(); iter++) {
        control.installResolvable (iter->resolvable()); 
    }

    for (PoolItemList::const_iterator iter = items_to_remove.begin(); iter != items_to_remove.end(); iter++) {
        control.deleteResolvable (iter->resolvable());  
    }

    return true;
}

//---------------------------------------------------------------------------

HelixResolvable::HelixResolvable(const std::string & path)
    :dumpFile (path)    
{
    file = new ofstream(path.c_str());
    if (!file) {
        ZYPP_THROW (Exception( "Can't open " + path ) );
    }

    *file << "<channel><subchannel>" << endl;
}

HelixResolvable::~HelixResolvable()
{
    *file << "</subchannel></channel>" << endl;
}
    

void HelixResolvable::addResolvable(const Resolvable::constPtr &resolvable)
{
    *file << helixXML (resolvable);
}

//---------------------------------------------------------------------------

HelixControl::HelixControl(const std::string & controlPath,
                           const SourceTable & sourceTable,
                           const Arch & systemArchitecture,                        
                           const std::string & systemPath)
    :dumpFile (controlPath) 
{
    file = new ofstream(controlPath.c_str());
    if (!file) {
        ZYPP_THROW (Exception( "Can't open " + controlPath ) );
    }

    *file << "<?xml version=\"1.0\"?>" << endl
          << "<!-- testcase generated by YaST -->" << endl
          << "<test>" << endl
          << "<setup arch=\"" << systemArchitecture << "\">" << endl
          << TAB << "<system file=\"" << systemPath << "\"/>" << endl;
    for ( SourceTable::const_iterator it = sourceTable.begin();
          it != sourceTable.end(); ++it ) {
        Source_Ref source = it->first;
        *file << TAB << "<channel file=\"" << numstring(source.numericId())
              << "-package.xml\" name=\"" << numstring(source.numericId())
              << "\" />" << endl;
    }
    *file << "</setup>" << endl
          << "<trial>" << endl
          << "<showpool all=\"yes\"/>" << endl
          << "<establish/>" << endl
          << "<showpool all=\"true\" prefix=\">!> ESTABLISHED:\"/>" << endl;
}

HelixControl::HelixControl()
    :dumpFile ("/var/log/YaST2/solverTestcase/solver-test.xml")
{
    HelixControl (dumpFile);
}

HelixControl::~HelixControl()
{
    *file << "</trial>" << endl
          << "</test>" << endl;
}

void HelixControl::installResolvable(const ResObject::constPtr &resObject)
{
    Source_Ref source  = resObject->source();
    *file << "<install channel=\"" << numstring(source.numericId()) << "\" kind=\"" << toLower (resObject->kind().asString()) << "\""
          << " name=\"" << resObject->name() << "\"" << "/>" << endl;
}
    
void HelixControl::deleteResolvable(const ResObject::constPtr &resObject)
{
    Source_Ref source  = resObject->source();    
    *file << "<uninstall " << " kind=\"" << toLower (resObject->kind().asString()) << "\""
          << " name=\"" << resObject->name() << "\"" << "/>" << endl;    
}


    };// namespace detail
  };// namespace solver
};// namespace zypp

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