test_fabmaster_import.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 <pcbnew_utils/board_test_utils.h>
#include <pcbnew_utils/board_file_utils.h>
#include <qa_utils/wx_utils/unit_test_utils.h>
 
#include <pcbnew/pcb_io/fabmaster/pcb_io_fabmaster.h>
 
#include <board.h>
#include <footprint.h>
#include <pad.h>
#include <padstack.h>
#include <zone.h>
 
 
struct FABMASTER_IMPORT_FIXTURE
{
    FABMASTER_IMPORT_FIXTURE() {}
 
    PCB_IO_FABMASTER m_fabmasterPlugin;
};
 
 
BOOST_FIXTURE_TEST_SUITE( FabmasterImport, FABMASTER_IMPORT_FIXTURE )
 
 

BOOST_AUTO_TEST_CASE( EmptyRefdesInPins )
{
    std::string dataPath =
            KI_TEST::GetPcbnewTestDataDir() + "plugins/fabmaster/cds2f_only_2_comp.txt";
 
    std::unique_ptr<BOARD> board = std::make_unique<BOARD>();
 
    m_fabmasterPlugin.LoadBoard( dataPath, board.get(), nullptr );
 
    BOOST_REQUIRE( board );
 
    // The board should have footprints
    BOOST_REQUIRE_GT( board->Footprints().size(), 0 );
 
    // Each footprint should have pads (before the fix, pads were missing because
    // the lookup by empty REFDES failed)
    int totalPads = 0;
 
    for( const FOOTPRINT* fp : board->Footprints() )
    {
        totalPads += fp->Pads().size();
    }
 
    BOOST_CHECK_MESSAGE( totalPads > 0,
                         "Footprints should have pads when REFDES is empty in PIN section" );
}
 

BOOST_AUTO_TEST_CASE( StaticShapesPreserved )
{
    std::string dataPath =
            KI_TEST::GetPcbnewTestDataDir() + "plugins/fabmaster/cds2f_14066-20316FBRD.txt";
 
    std::unique_ptr<BOARD> board = std::make_unique<BOARD>();
 
    m_fabmasterPlugin.LoadBoard( dataPath, board.get(), nullptr );
 
    BOOST_REQUIRE( board );
 
    // Count zones - static shapes should be preserved as zones with net codes
    int zonesWithNets = 0;
 
    for( ZONE* zone : board->Zones() )
    {
        if( zone->GetNetCode() > 0 )
            zonesWithNets++;
    }
 
    // The board should have some zones with nets assigned (static shapes).
    // Before the fix, all netted zones were deleted because they were considered
    // redundant fills. With the fix, unmatched static shapes are preserved.
    BOOST_CHECK_MESSAGE( zonesWithNets > 0,
                         "Static shape zones with nets should be preserved" );
}
 

static const PAD* findPadByNumber( const FOOTPRINT* aFp, const wxString& aNumber )
{
    for( const PAD* pad : aFp->Pads() )
    {
        if( pad->GetNumber() == aNumber )
            return pad;
    }
 
    return nullptr;
}
 

BOOST_AUTO_TEST_CASE( PadStackDifferentLayers )
{
    std::string dataPath =
            KI_TEST::GetPcbnewTestDataDir() + "plugins/fabmaster/cds2f_padstack_test.txt";
 
    std::unique_ptr<BOARD> board = std::make_unique<BOARD>();
 
    m_fabmasterPlugin.LoadBoard( dataPath, board.get(), nullptr );
 
    BOOST_REQUIRE( board );
    BOOST_REQUIRE_GT( board->Footprints().size(), 0 );
 
    const FOOTPRINT* fp = board->Footprints().front();
    BOOST_REQUIRE_EQUAL( fp->Pads().size(), 3 );
 
    // Pin 1 uses DIFF_PAD which has CIRCLE on TOP and RECTANGLE on BOTTOM.
    // This should use FRONT_INNER_BACK padstack mode.
    const PAD* pad1 = findPadByNumber( fp, wxT( "1" ) );
    BOOST_REQUIRE( pad1 );
    BOOST_CHECK_EQUAL( static_cast<int>( pad1->Padstack().Mode() ),
                       static_cast<int>( PADSTACK::MODE::FRONT_INNER_BACK ) );
    BOOST_CHECK_EQUAL( static_cast<int>( pad1->GetShape( F_Cu ) ),
                       static_cast<int>( PAD_SHAPE::CIRCLE ) );
    BOOST_CHECK_EQUAL( static_cast<int>( pad1->GetShape( B_Cu ) ),
                       static_cast<int>( PAD_SHAPE::RECTANGLE ) );
 
    // Verify front layer size (2.0mm circle)
    VECTOR2I pad1_front_size = pad1->GetSize( F_Cu );
    BOOST_CHECK_GT( pad1_front_size.x, 0 );
    BOOST_CHECK_EQUAL( pad1_front_size.x, pad1_front_size.y );
 
    // Verify back layer size (1.5x3.0mm rectangle, height > width)
    VECTOR2I pad1_back_size = pad1->GetSize( B_Cu );
    BOOST_CHECK_GT( pad1_back_size.x, 0 );
    BOOST_CHECK_GT( pad1_back_size.y, pad1_back_size.x );
 
    // Verify drill is present
    BOOST_CHECK_EQUAL( static_cast<int>( pad1->GetAttribute() ),
                       static_cast<int>( PAD_ATTRIB::PTH ) );
    BOOST_CHECK_GT( pad1->GetDrillSizeX(), 0 );
}
 

BOOST_AUTO_TEST_CASE( PadStackSameLayers )
{
    std::string dataPath =
            KI_TEST::GetPcbnewTestDataDir() + "plugins/fabmaster/cds2f_padstack_test.txt";
 
    std::unique_ptr<BOARD> board = std::make_unique<BOARD>();
 
    m_fabmasterPlugin.LoadBoard( dataPath, board.get(), nullptr );
 
    BOOST_REQUIRE( board );
    BOOST_REQUIRE_GT( board->Footprints().size(), 0 );
 
    const FOOTPRINT* fp = board->Footprints().front();
 
    // Pin 2 uses SAME_PAD which has RECTANGLE 1.0x2.0 on both TOP and BOTTOM.
    // This should stay in NORMAL mode since shapes are identical.
    const PAD* pad2 = findPadByNumber( fp, wxT( "2" ) );
    BOOST_REQUIRE( pad2 );
    BOOST_CHECK_EQUAL( static_cast<int>( pad2->Padstack().Mode() ),
                       static_cast<int>( PADSTACK::MODE::NORMAL ) );
    BOOST_CHECK_EQUAL( static_cast<int>( pad2->GetShape( F_Cu ) ),
                       static_cast<int>( PAD_SHAPE::RECTANGLE ) );
}
 

BOOST_AUTO_TEST_CASE( PadStackSmdPad )
{
    std::string dataPath =
            KI_TEST::GetPcbnewTestDataDir() + "plugins/fabmaster/cds2f_padstack_test.txt";
 
    std::unique_ptr<BOARD> board = std::make_unique<BOARD>();
 
    m_fabmasterPlugin.LoadBoard( dataPath, board.get(), nullptr );
 
    BOOST_REQUIRE( board );
    BOOST_REQUIRE_GT( board->Footprints().size(), 0 );
 
    const FOOTPRINT* fp = board->Footprints().front();
 
    // Pin 3 uses SMD_DIFF which is an OVAL on TOP only (no BOTTOM pad, no drill).
    const PAD* pad3 = findPadByNumber( fp, wxT( "3" ) );
    BOOST_REQUIRE( pad3 );
    BOOST_CHECK_EQUAL( static_cast<int>( pad3->GetAttribute() ),
                       static_cast<int>( PAD_ATTRIB::SMD ) );
    BOOST_CHECK_EQUAL( static_cast<int>( pad3->GetShape( F_Cu ) ),
                       static_cast<int>( PAD_SHAPE::OVAL ) );
}
 
 
BOOST_AUTO_TEST_SUITE_END()