placement-index-query-test.cpp

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/*
  PlacementIndexQuery(Test)  -  querying the placement index through the generic query interface 

   Copyright (C)
     2009,            Hermann Vosseler <Ichthyostega@web.de>

  **Lumiera** is free software; you can redistribute it and/or modify it
  under 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. See the file COPYING for further details.

* *****************************************************************/

#include "lib/test/run.hpp"
#include "steam/mobject/session/scope-query.hpp"
#include "steam/mobject/session/session-service-explore-scope.hpp"
#include "steam/mobject/session/placement-index-query-resolver.hpp"
#include "steam/mobject/session/test-scopes.hpp"
#include "common/query/query-resolver.hpp"
#include "lib/format-cout.hpp"
#include "lib/util.hpp"



namespace steam    {
namespace mobject {
namespace session {
namespace test    {
  
  using lumiera::QueryResolver;
  using session::PathQuery;
  using session::ContentsQuery;
  using util::isSameObject;
  
  
  /************************************************************************/
  class PlacementIndexQuery_test : public Test
    {
      
      virtual void
      run (Arg) 
        {
          checkQueryResolver();
          checkQueryOperations();
        }
      
      void
      checkQueryResolver()
        {
          PPIdx index = build_testScopes();
          QueryResolver const& resolver1 (SessionServiceExploreScope::getResolver());
          QueryResolver const& resolver2 (SessionServiceExploreScope::getResolver());
          
          CHECK (isSameObject (resolver1, resolver2));
          
          PlacementMO& root1 = index->getRoot();          
          PlacementMO& root2 = SessionServiceExploreScope::getScopeRoot();          
          CHECK (isSameObject (root1, root2));
          
          PlacementMO& elm1 = *ContentsQuery<TestSubMO2>(root1).resolveBy(resolver1);
          PlacementMO& elm2 = *ContentsQuery<TestSubMO1>(root1).resolveBy(resolver1);
          PlacementMO& elm3 = *(index->getReferrers(elm1));
          CHECK (isSameObject (elm3, elm2));
          // relying on the specific setup of the test index
          // MO1 is the sole "referrer" of MO2 (the only content within MO2's scope)
          // root \ TestSubMO2 \ TestSubMO1
        }
      
      void
      checkQueryOperations()
        {
          // Prepare an (test)Index (dummy "session")
          PPIdx index = build_testScopes();
          PlacementMO& root = index->getRoot();          
          PlacementIndexQueryResolver resolver(*index);
          
          cout << "explore contents depth-first..." << endl;
          discover (ContentsQuery<MObject>(root).resolveBy(resolver));
          
          PlacementMO& elm = *ContentsQuery<TestSubMO1>(root).resolveBy(resolver);                  
          
          cout << "path to root starting at " << elm << endl;
          discover (PathQuery<MObject> (elm).resolveBy(resolver));
        }
      
      
      template<class IT>
      void
      discover (IT result)
        {
          for ( ; result; ++result)
            cout << *result << endl;
        }
      
    };
  
  
  LAUNCHER (PlacementIndexQuery_test, "unit session");
  
  
}}}} // namespace steam::mobject::session::test