unipdf/internal/testutils/testutils.go

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package testutils ;import (_a "crypto/md5";_fbf "encoding/hex";_fe "errors";_ce "fmt";_ba "github.com/unidoc/unipdf/v3/common";_fed "github.com/unidoc/unipdf/v3/core";_ge "image";_g "image/png";_fb "io";_c "os";_e "os/exec";_b "path/filepath";_df "strings";
_f "testing";);func CompareDictionariesDeep (d1 ,d2 *_fed .PdfObjectDictionary )bool {if len (d1 .Keys ())!=len (d2 .Keys ()){_ba .Log .Debug ("\u0044\u0069\u0063\u0074\u0020\u0065\u006e\u0074\u0072\u0069\u0065\u0073\u0020\u006d\u0069s\u006da\u0074\u0063\u0068\u0020\u0028\u0025\u0064\u0020\u0021\u003d\u0020\u0025\u0064\u0029",len (d1 .Keys ()),len (d2 .Keys ()));
_ba .Log .Debug ("\u0057\u0061s\u0020\u0027\u0025s\u0027\u0020\u0076\u0073\u0020\u0027\u0025\u0073\u0027",d1 .WriteString (),d2 .WriteString ());return false ;};for _ ,_ged :=range d1 .Keys (){if _ged =="\u0050\u0061\u0072\u0065\u006e\u0074"{continue ;
};_bba :=_fed .TraceToDirectObject (d1 .Get (_ged ));_fff :=_fed .TraceToDirectObject (d2 .Get (_ged ));if _bba ==nil {_ba .Log .Debug ("\u00761\u0020\u0069\u0073\u0020\u006e\u0069l");return false ;};if _fff ==nil {_ba .Log .Debug ("\u00762\u0020\u0069\u0073\u0020\u006e\u0069l");
return false ;};switch _adg :=_bba .(type ){case *_fed .PdfObjectDictionary :_gfa ,_bbac :=_fff .(*_fed .PdfObjectDictionary );if !_bbac {_ba .Log .Debug ("\u0054\u0079\u0070\u0065 m\u0069\u0073\u006d\u0061\u0074\u0063\u0068\u0020\u0025\u0054\u0020\u0076\u0073\u0020%\u0054",_bba ,_fff );
return false ;};if !CompareDictionariesDeep (_adg ,_gfa ){return false ;};continue ;case *_fed .PdfObjectArray :_ecf ,_baec :=_fff .(*_fed .PdfObjectArray );if !_baec {_ba .Log .Debug ("\u00762\u0020n\u006f\u0074\u0020\u0061\u006e\u0020\u0061\u0072\u0072\u0061\u0079");
return false ;};if _adg .Len ()!=_ecf .Len (){_ba .Log .Debug ("\u0061\u0072\u0072\u0061\u0079\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u006d\u0069s\u006da\u0074\u0063\u0068\u0020\u0028\u0025\u0064\u0020\u0021\u003d\u0020\u0025\u0064\u0029",_adg .Len (),_ecf .Len ());
return false ;};for _bbf :=0;_bbf < _adg .Len ();_bbf ++{_abg :=_fed .TraceToDirectObject (_adg .Get (_bbf ));_dd :=_fed .TraceToDirectObject (_ecf .Get (_bbf ));if _egdd ,_ebc :=_abg .(*_fed .PdfObjectDictionary );_ebc {_dbg ,_fbe :=_dd .(*_fed .PdfObjectDictionary );
if !_fbe {return false ;};if !CompareDictionariesDeep (_egdd ,_dbg ){return false ;};}else {if _abg .WriteString ()!=_dd .WriteString (){_ba .Log .Debug ("M\u0069\u0073\u006d\u0061tc\u0068 \u0027\u0025\u0073\u0027\u0020!\u003d\u0020\u0027\u0025\u0073\u0027",_abg .WriteString (),_dd .WriteString ());
return false ;};};};continue ;};if _bba .String ()!=_fff .String (){_ba .Log .Debug ("\u006b\u0065y\u003d\u0025\u0073\u0020\u004d\u0069\u0073\u006d\u0061\u0074\u0063\u0068\u0021\u0020\u0027\u0025\u0073\u0027\u0020\u0021\u003d\u0020'%\u0073\u0027",_ged ,_bba .String (),_fff .String ());
_ba .Log .Debug ("\u0046o\u0072 \u0027\u0025\u0054\u0027\u0020\u002d\u0020\u0027\u0025\u0054\u0027",_bba ,_fff );_ba .Log .Debug ("\u0046\u006f\u0072\u0020\u0027\u0025\u002b\u0076\u0027\u0020\u002d\u0020'\u0025\u002b\u0076\u0027",_bba ,_fff );return false ;
};};return true ;};func ComparePNGFiles (file1 ,file2 string )(bool ,error ){_ec ,_bg :=HashFile (file1 );if _bg !=nil {return false ,_bg ;};_adf ,_bg :=HashFile (file2 );if _bg !=nil {return false ,_bg ;};if _ec ==_adf {return true ,nil ;};_fcf ,_bg :=ReadPNG (file1 );
if _bg !=nil {return false ,_bg ;};_cge ,_bg :=ReadPNG (file2 );if _bg !=nil {return false ,_bg ;};if _fcf .Bounds ()!=_cge .Bounds (){return false ,nil ;};return CompareImages (_fcf ,_cge );};func CompareImages (img1 ,img2 _ge .Image )(bool ,error ){_gd :=img1 .Bounds ();
_cc :=0;for _ff :=0;_ff < _gd .Size ().X ;_ff ++{for _fc :=0;_fc < _gd .Size ().Y ;_fc ++{_bb ,_aff ,_ea ,_ :=img1 .At (_ff ,_fc ).RGBA ();_eb ,_ab ,_fbc ,_ :=img2 .At (_ff ,_fc ).RGBA ();if _bb !=_eb ||_aff !=_ab ||_ea !=_fbc {_cc ++;};};};_ggeg :=float64 (_cc )/float64 (_gd .Dx ()*_gd .Dy ());
if _ggeg > 0.0001{_ce .Printf ("\u0064\u0069\u0066f \u0066\u0072\u0061\u0063\u0074\u0069\u006f\u006e\u003a\u0020\u0025\u0076\u0020\u0028\u0025\u0064\u0029\u000a",_ggeg ,_cc );return false ,nil ;};return true ,nil ;};var (ErrRenderNotSupported =_fe .New ("\u0072\u0065\u006e\u0064\u0065r\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0066\u0069\u006c\u0065\u0073 \u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u006f\u006e\u0020\u0074\u0068\u0069\u0073\u0020\u0073\u0079\u0073\u0074\u0065m");
);func HashFile (file string )(string ,error ){_ee ,_cg :=_c .Open (file );if _cg !=nil {return "",_cg ;};defer _ee .Close ();_ggb :=_a .New ();if _ ,_cg =_fb .Copy (_ggb ,_ee );_cg !=nil {return "",_cg ;};return _fbf .EncodeToString (_ggb .Sum (nil )),nil ;
};func ReadPNG (file string )(_ge .Image ,error ){_ef ,_fa :=_c .Open (file );if _fa !=nil {return nil ,_fa ;};defer _ef .Close ();return _g .Decode (_ef );};func ParseIndirectObjects (rawpdf string )(map[int64 ]_fed .PdfObject ,error ){_fca :=_fed .NewParserFromString (rawpdf );
_adfd :=map[int64 ]_fed .PdfObject {};for {_egb ,_db :=_fca .ParseIndirectObject ();if _db !=nil {if _db ==_fb .EOF {break ;};return nil ,_db ;};switch _de :=_egb .(type ){case *_fed .PdfIndirectObject :_adfd [_de .ObjectNumber ]=_egb ;case *_fed .PdfObjectStream :_adfd [_de .ObjectNumber ]=_egb ;
};};for _ ,_ca :=range _adfd {_ade (_ca ,_adfd );};return _adfd ,nil ;};func RenderPDFToPNGs (pdfPath string ,dpi int ,outpathTpl string )error {if dpi <=0{dpi =100;};if _ ,_fd :=_e .LookPath ("\u0067\u0073");_fd !=nil {return ErrRenderNotSupported ;};
return _e .Command ("\u0067\u0073","\u002d\u0073\u0044\u0045\u0056\u0049\u0043\u0045\u003d\u0070\u006e\u0067a\u006c\u0070\u0068\u0061","\u002d\u006f",outpathTpl ,_ce .Sprintf ("\u002d\u0072\u0025\u0064",dpi ),pdfPath ).Run ();};func _ade (_dg _fed .PdfObject ,_gda map[int64 ]_fed .PdfObject )error {switch _cgb :=_dg .(type ){case *_fed .PdfIndirectObject :_be :=_cgb ;
_ade (_be .PdfObject ,_gda );case *_fed .PdfObjectDictionary :_gbc :=_cgb ;for _ ,_egd :=range _gbc .Keys (){_eaf :=_gbc .Get (_egd );if _eab ,_gba :=_eaf .(*_fed .PdfObjectReference );_gba {_dc ,_bab :=_gda [_eab .ObjectNumber ];if !_bab {return _fe .New ("r\u0065\u0066\u0065\u0072\u0065\u006ec\u0065\u0020\u0074\u006f\u0020\u006f\u0075\u0074\u0073i\u0064\u0065\u0020o\u0062j\u0065\u0063\u0074");
};_gbc .Set (_egd ,_dc );}else {_ade (_eaf ,_gda );};};case *_fed .PdfObjectArray :_ffc :=_cgb ;for _gbf ,_ega :=range _ffc .Elements (){if _aae ,_cgd :=_ega .(*_fed .PdfObjectReference );_cgd {_bde ,_ag :=_gda [_aae .ObjectNumber ];if !_ag {return _fe .New ("r\u0065\u0066\u0065\u0072\u0065\u006ec\u0065\u0020\u0074\u006f\u0020\u006f\u0075\u0074\u0073i\u0064\u0065\u0020o\u0062j\u0065\u0063\u0074");
};_ffc .Set (_gbf ,_bde );}else {_ade (_ega ,_gda );};};};return nil ;};func RunRenderTest (t *_f .T ,pdfPath ,outputDir ,baselineRenderPath string ,saveBaseline bool ){_cd :=_df .TrimSuffix (_b .Base (pdfPath ),_b .Ext (pdfPath ));t .Run ("\u0072\u0065\u006e\u0064\u0065\u0072",func (_bc *_f .T ){_geg :=_b .Join (outputDir ,_cd );
_aa :=_geg +"\u002d%\u0064\u002e\u0070\u006e\u0067";if _bcg :=RenderPDFToPNGs (pdfPath ,0,_aa );_bcg !=nil {_bc .Skip (_bcg );};for _dfd :=1;true ;_dfd ++{_gb :=_ce .Sprintf ("\u0025s\u002d\u0025\u0064\u002e\u0070\u006eg",_geg ,_dfd );_cdg :=_b .Join (baselineRenderPath ,_ce .Sprintf ("\u0025\u0073\u002d\u0025\u0064\u005f\u0065\u0078\u0070\u002e\u0070\u006e\u0067",_cd ,_dfd ));
if _ ,_fcb :=_c .Stat (_gb );_fcb !=nil {break ;};_bc .Logf ("\u0025\u0073",_cdg );if saveBaseline {_bc .Logf ("\u0043\u006fp\u0079\u0069\u006eg\u0020\u0025\u0073\u0020\u002d\u003e\u0020\u0025\u0073",_gb ,_cdg );_bd :=CopyFile (_gb ,_cdg );if _bd !=nil {_bc .Fatalf ("\u0045\u0052\u0052OR\u0020\u0063\u006f\u0070\u0079\u0069\u006e\u0067\u0020\u0074\u006f\u0020\u0025\u0073\u003a\u0020\u0025\u0076",_cdg ,_bd );
};continue ;};_bc .Run (_ce .Sprintf ("\u0070\u0061\u0067\u0065\u0025\u0064",_dfd ),func (_gf *_f .T ){_gf .Logf ("\u0043o\u006dp\u0061\u0072\u0069\u006e\u0067 \u0025\u0073 \u0076\u0073\u0020\u0025\u0073",_gb ,_cdg );_ga ,_dff :=ComparePNGFiles (_gb ,_cdg );
if _c .IsNotExist (_dff ){_gf .Fatal ("\u0069m\u0061g\u0065\u0020\u0066\u0069\u006ce\u0020\u006di\u0073\u0073\u0069\u006e\u0067");}else if !_ga {_gf .Fatal ("\u0077\u0072\u006f\u006eg \u0070\u0061\u0067\u0065\u0020\u0072\u0065\u006e\u0064\u0065\u0072\u0065\u0064");
};});};});};func CopyFile (src ,dst string )error {_eg ,_af :=_c .Open (src );if _af !=nil {return _af ;};defer _eg .Close ();_gg ,_af :=_c .Create (dst );if _af !=nil {return _af ;};defer _gg .Close ();_ ,_af =_fb .Copy (_gg ,_eg );return _af ;};