test_issue25074_odb_knockout_textbox.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The 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, see <https://www.gnu.org/licenses/>.
 */
 
#include <filesystem>
#include <fstream>
#include <memory>
 
#include <qa_utils/wx_utils/unit_test_utils.h>
#include <qa_utils/file_utils.h>
#include <pcbnew_utils/board_file_utils.h>
#include <boost/test/unit_test.hpp>
 
#include <base_units.h>
#include <board.h>
#include <pcb_shape.h>
#include <pcb_textbox.h>
#include <pcbnew/pcb_io/odbpp/pcb_io_odbpp.h>
#include <settings/settings_manager.h>
#include <core/utf8.h>
 
namespace fs = std::filesystem;
 
 
// A knockout reaches the feature file as filled polygons, so surface records prove it was emitted.
static int countSurfaceRecords( const fs::path& aFeaturesFile )
{
    int           count = 0;
    std::ifstream stream( aFeaturesFile );
    std::string   line;
 
    while( std::getline( stream, line ) )
    {
        if( line.rfind( "S ", 0 ) == 0 )
            count++;
    }
 
    return count;
}
 
 
// A knockout text box was cast to PCB_TEXT before being turned into polygons.  The two share no
// base below EDA_TEXT, so the export read the wrong subobject and died.
BOOST_AUTO_TEST_CASE( OdbKnockoutTextboxExport )
{
    SETTINGS_MANAGER       settingsManager;
    std::unique_ptr<BOARD> board = KI_TEST::RequireBoardFromPcbnewQAData( "issue25074/knockout_textbox.kicad_pcb" );
 
    // The crash needed a knockout text box specifically, so fail loudly if the
    // fixture ever loses the flag.
    const PCB_TEXTBOX* textbox = nullptr;
 
    for( const BOARD_ITEM* item : board->Drawings() )
    {
        if( item->Type() == PCB_TEXTBOX_T )
            textbox = static_cast<const PCB_TEXTBOX*>( item );
    }
 
    BOOST_REQUIRE( textbox );
    BOOST_REQUIRE( textbox->IsKnockout() );
 
    KI_TEST::SCOPED_TEMP_DIR outDir( wxT( "kicad_qa_odb_knockout_25074" ) );
 
    PCB_IO_ODBPP                odbExporter;
    std::map<std::string, UTF8> props;
    props["units"] = "mm";
    props["sigfig"] = "6";
 
    BOOST_REQUIRE_NO_THROW( odbExporter.SaveBoard( outDir.Path().string(), *board, &props ) );
 
    const fs::path features = outDir.Path() / "steps" / "pcb" / "layers" / "b.silkscreen" / "features";
 
    BOOST_REQUIRE_MESSAGE( fs::exists( features ), "ODB++ export produced no back silkscreen features file" );
 
    BOOST_CHECK_MESSAGE( countSurfaceRecords( features ) > 0,
                         "Knockout text box produced no surface features on the back silkscreen" );
}