LUMIERA.clone/tests/core/steam/mobject/session/test-scopes.cpp
Ichthyostega 806db414dd Copyright: clarify and simplify the file headers
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/*
TEST-SCOPES.cpp - builds a test PlacementIndex containing dummy Placements as nested scopes
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.
* *****************************************************************/
/** @file test-scopes.cpp
** Implementation of nested test scopes to cover the placement index.
** This translation unit builds mock "session content" with a fixed, known layout,
** which can be used to verify the behaviour of session query and content discovery
*/
#include "steam/mobject/session/test-scopes.hpp"
#include "steam/mobject/session/session-service-mock-index.hpp"
#include "steam/mobject/session/session-service-explore-scope.hpp"
#include "steam/mobject/session/scope-query.hpp"
namespace steam {
namespace mobject {
namespace session {
namespace test {
/** @note this dummy index isn't actively connected to the session;
* the unit tests rely on this dummy index containing
* a specific tree structure of test-dummy MObjects.
*/
PPIdx
build_testScopes()
{
PDum p1(*new TestSubMO21);
PDum p2(*new TestSubMO21);
PDum p3(*new TestSubMO21);
PDum p4(*new TestSubMO21);
PDum p5(*new TestSubMO21);
PDum ps1(*new DummyMO);
PDum ps2(*new TestSubMO2);
PDum ps3(*new TestSubMO1);
// Prepare an (test)Index backing the PlacementRefs
PPIdx index (SessionServiceMockIndex::install());
PMO& root = index->getRoot();
typedef PMO::ID ID;
ID i1 = index->insert (p1, root);
ID i2 = index->insert (p2, i1 );
ID i3 = index->insert (p3, i2 );
ID i4 = index->insert (p4, i3 );
index->insert (p5, i4 );
index->insert (ps1,root);
ID is2 =index->insert (ps2,root);
index->insert (ps3, is2);
return index;
}
namespace {
template<class MO>
PlacementMO&
retrieve_firstElmOfType()
{
return *ContentsQuery<MO>(SessionServiceExploreScope::getScopeRoot())
.resolveBy(SessionServiceExploreScope::getResolver());
}
}
/** @note this test helper only works if build_testScopes is invoked
* beforehand, and the returned smart-ptr to the created test/dummy index
* is retained. Moreover, this function makes assumptions about the actual
* objects created by the former test function.
* @throw lumiera::error::Invalid if the intended start element doesn't exist (anymore)
*/
PlacementMO&
retrieve_startElm()
{
return retrieve_firstElmOfType<TestSubMO1>();
}
PlacementMO&
retrieve_firstTestSubMO21()
{
return retrieve_firstElmOfType<TestSubMO21>();
}
ScopeQuery<MObject>::iterator
explore_testScope (PlacementMO const& scopeTop)
{
return ScopeQuery<MObject>(scopeTop, CHILDREN)
.resolveBy(SessionServiceExploreScope::getResolver());
}
}}}} // namespace steam::mobject::session::test