github.com/pdfcpu/pdfcpu@v0.11.1/pkg/api/test/images_test.go (about)

     1  /*
     2  Copyright 2024 The pdf Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package test
    18  
    19  import (
    20  	"path/filepath"
    21  	"testing"
    22  
    23  	"github.com/pdfcpu/pdfcpu/pkg/api"
    24  )
    25  
    26  func testUpdateImages(t *testing.T, msg string, inFile, imgFile, outFile string, objNr, pageNr int, id string) {
    27  	t.Helper()
    28  
    29  	if err := api.UpdateImagesFile(inFile, imgFile, outFile, objNr, pageNr, id, conf); err != nil {
    30  		t.Fatalf("%s %s: %v\n", msg, outFile, err)
    31  	}
    32  	if err := api.ValidateFile(outFile, conf); err != nil {
    33  		t.Fatalf("%s: %v\n", msg, err)
    34  	}
    35  }
    36  
    37  func TestUpdateImages(t *testing.T) {
    38  
    39  	outDir := filepath.Join(samplesDir, "images")
    40  	inDir := outDir
    41  
    42  	for _, tt := range []struct {
    43  		msg     string
    44  		inFile  string
    45  		imgFile string
    46  		outFile string
    47  		objNr   int // by objNr
    48  		pageNr  int // or by (pageNr, id)
    49  		id      string
    50  	}{
    51  		{"TestUpdateByObjNr",
    52  			"test.pdf",
    53  			"test_1_Im1.png",
    54  			"ImageUpdatedByObjNr.pdf",
    55  			8,
    56  			0,
    57  			""},
    58  
    59  		{"TestUpdateByPageNrAndId",
    60  			"test.pdf",
    61  			"test_1_Im1.png",
    62  			"imageUpdatedByPageNrAndIdPage1.pdf",
    63  			0,
    64  			1,
    65  			"Im1"},
    66  
    67  		{"TestUpdateByPageNrAndId",
    68  			"test.pdf",
    69  			"test_1_Im1.png",
    70  			"imageUpdatedByPageNrAndIdPage2.pdf",
    71  			0,
    72  			2,
    73  			"Im1"},
    74  
    75  		{"TestUpdateByImageFileName",
    76  			"test.pdf",
    77  			"test_1_Im1.png",
    78  			"imageUpdatedByFileName.pdf",
    79  			0,
    80  			0,
    81  			""},
    82  
    83  		{"TestUpdateByPageNrAndId",
    84  			"test.pdf",
    85  			"any.png",
    86  			"imageUpdatedByPageNrAndIdAny.pdf",
    87  			0,
    88  			1,
    89  			"Im1"},
    90  
    91  		{"TestUpdateByObjNrPNG",
    92  			"test.pdf",
    93  			"any.png",
    94  			"imageUpdatedByObjNrPNG.pdf",
    95  			8,
    96  			0,
    97  			""},
    98  
    99  		{"TestUpdateByObjNrJPG",
   100  			"test.pdf",
   101  			"any.jpg",
   102  			"imageUpdatedByObjNrJPG.pdf",
   103  			8,
   104  			0,
   105  			""},
   106  
   107  		{"TestUpdateByObjNrTIFF",
   108  			"test.pdf",
   109  			"any.tiff",
   110  			"imageUpdatedByObjNrTIFF.pdf",
   111  			8,
   112  			0,
   113  			""},
   114  
   115  		{"TestUpdateByObjNrWEBP",
   116  			"test.pdf",
   117  			"any.webp",
   118  			"imageUpdatedByObjNrWEBP.pdf",
   119  			8,
   120  			0,
   121  			""},
   122  		{"TestUpdateByObjNrPNGGray",
   123  			"test.pdf",
   124  			"any_gray.png",
   125  			"imageUpdatedByObjNrPNGGray.pdf",
   126  			8,
   127  			0,
   128  			""},
   129  		{"TestUpdateByPageNrAndIdGray",
   130  			"test.pdf",
   131  			"any_gray.png",
   132  			"imageUpdatedByPageNrAndIdAnyGray.pdf",
   133  			0,
   134  			1,
   135  			"Im1"},
   136  	} {
   137  		testUpdateImages(t, tt.msg,
   138  			filepath.Join(inDir, tt.inFile),
   139  			filepath.Join(outDir, tt.imgFile),
   140  			filepath.Join(outDir, tt.outFile),
   141  			tt.objNr,
   142  			tt.pageNr,
   143  			tt.id)
   144  	}
   145  }