test_drc_skew.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2024 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */
 
#include <qa_utils/wx_utils/unit_test_utils.h>
#include <pcbnew_utils/board_test_utils.h>
#include <board.h>
#include <board_design_settings.h>
#include <pad.h>
#include <pcb_track.h>
#include <pcb_marker.h>
#include <footprint.h>
#include <drc/drc_item.h>
#include <settings/settings_manager.h>
 
 
struct DRC_REGRESSION_TEST_FIXTURE
{
    DRC_REGRESSION_TEST_FIXTURE() :
            m_settingsManager( true /* headless */ )
    { }
 
    SETTINGS_MANAGER       m_settingsManager;
    std::unique_ptr<BOARD> m_board;
};
 
 
BOOST_FIXTURE_TEST_CASE( DRCSkew, DRC_REGRESSION_TEST_FIXTURE )
{
    // Check for minimum copper connection errors
 
    std::vector<std::pair<wxString, int>> tests =
    {
        { "skew_within_diff_pairs_drc", 2 },
        { "skew_group_matched_drc", 5 }
    };
 
    for( const std::pair<wxString, int>& test : tests )
    {
        KI_TEST::LoadBoard( m_settingsManager, test.first, m_board );
        KI_TEST::FillZones( m_board.get() );
 
        std::vector<DRC_ITEM>  violations;
        BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
 
        // Disable DRC tests not useful or not handled in this testcase
        bds.m_DRCSeverities[ DRCE_INVALID_OUTLINE ] = SEVERITY::RPT_SEVERITY_IGNORE;
        bds.m_DRCSeverities[ DRCE_UNCONNECTED_ITEMS ] = SEVERITY::RPT_SEVERITY_IGNORE;
        bds.m_DRCSeverities[ DRCE_COPPER_SLIVER ] = SEVERITY::RPT_SEVERITY_IGNORE;
        bds.m_DRCSeverities[ DRCE_STARVED_THERMAL ] = SEVERITY::RPT_SEVERITY_IGNORE;
        bds.m_DRCSeverities[ DRCE_DRILL_OUT_OF_RANGE ] = SEVERITY::RPT_SEVERITY_IGNORE;
        bds.m_DRCSeverities[ DRCE_VIA_DIAMETER ] = SEVERITY::RPT_SEVERITY_IGNORE;
        // These DRC tests are not useful and do not work because they need a footprint library
        // associated to the board
        bds.m_DRCSeverities[ DRCE_LIB_FOOTPRINT_ISSUES ] = SEVERITY::RPT_SEVERITY_IGNORE;
        bds.m_DRCSeverities[ DRCE_LIB_FOOTPRINT_MISMATCH ] = SEVERITY::RPT_SEVERITY_IGNORE;
 
        // Ensure that our desired error is fired
        bds.m_DRCSeverities[ DRCE_SKEW_OUT_OF_RANGE ] = SEVERITY::RPT_SEVERITY_ERROR;
 
        bds.m_DRCEngine->SetViolationHandler(
                [&]( const std::shared_ptr<DRC_ITEM>& aItem, VECTOR2I aPos, int aLayer )
                {
                    if( bds.GetSeverity( aItem->GetErrorCode() ) == SEVERITY::RPT_SEVERITY_ERROR )
                        violations.push_back( *aItem );
                } );
 
        bds.m_DRCEngine->RunTests( EDA_UNITS::MILLIMETRES, true, false );
 
        if( violations.size() == test.second )
        {
            BOOST_CHECK_EQUAL( 1, 1 );  // quiet "did not check any assertions" warning
            BOOST_TEST_MESSAGE( wxString::Format( "DRC skew: %s, passed", test.first ) );
        }
        else
        {
            UNITS_PROVIDER unitsProvider( pcbIUScale, EDA_UNITS::INCHES );
 
            std::map<KIID, EDA_ITEM*> itemMap;
            m_board->FillItemMap( itemMap );
 
            for( const DRC_ITEM& item : violations )
            {
                BOOST_TEST_MESSAGE( item.ShowReport( &unitsProvider, RPT_SEVERITY_ERROR,
                                                     itemMap ) );
            }
 
            BOOST_ERROR( wxString::Format( "DRC skew: %s, failed (violations found %d expected %d)",
                                            test.first, (int)violations.size(), test.second ) );
        }
    }
}