github.com/pdfcpu/pdfcpu@v0.11.1/pkg/cli/test/attachment_test.go (about)

     1  /*
     2  Copyright 2019 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/cli"
    24  )
    25  
    26  func prepareForAttachmentTest(t *testing.T) error {
    27  	t.Helper()
    28  	for _, fileName := range []string{"go.pdf", "golang.pdf", "T4.pdf", "go-lecture.pdf"} {
    29  		inFile := filepath.Join(inDir, fileName)
    30  		outFile := filepath.Join(outDir, fileName)
    31  		if err := copyFile(t, inFile, outFile); err != nil {
    32  			return err
    33  		}
    34  	}
    35  	return copyFile(t, filepath.Join(resDir, "test.wav"), filepath.Join(outDir, "test.wav"))
    36  }
    37  
    38  func listAttachments(t *testing.T, msg, fileName string, want int) []string {
    39  	t.Helper()
    40  	cmd := cli.ListAttachmentsCommand(fileName, conf)
    41  	list, err := cli.Process(cmd)
    42  	if err != nil {
    43  		t.Fatalf("%s list attachments: %v\n", msg, err)
    44  	}
    45  	// # of attachments must be want
    46  	if len(list) != want {
    47  		t.Fatalf("%s: list attachments %s: want %d got %d\n", msg, fileName, want, len(list))
    48  	}
    49  	return list
    50  }
    51  
    52  func TestAttachments(t *testing.T) {
    53  	msg := "testAttachments"
    54  
    55  	if err := prepareForAttachmentTest(t); err != nil {
    56  		t.Fatalf("%s prepare for attachments: %v\n", msg, err)
    57  	}
    58  
    59  	fileName := filepath.Join(outDir, "go.pdf")
    60  
    61  	// # of attachments must be 0
    62  	listAttachments(t, msg, fileName, 0)
    63  
    64  	// attach add 4 files
    65  	files := []string{
    66  		filepath.Join(outDir, "golang.pdf"),
    67  		filepath.Join(outDir, "T4.pdf"),
    68  		filepath.Join(outDir, "go-lecture.pdf"),
    69  		filepath.Join(outDir, "test.wav"),
    70  	}
    71  
    72  	cmd := cli.AddAttachmentsCommand(fileName, "", files, conf)
    73  	if _, err := cli.Process(cmd); err != nil {
    74  		t.Fatalf("%s add attachments: %v\n", msg, err)
    75  	}
    76  	list := listAttachments(t, msg, fileName, 4)
    77  	for _, s := range list {
    78  		t.Log(s)
    79  	}
    80  
    81  	// Extract all attachments.
    82  	cmd = cli.ExtractAttachmentsCommand(fileName, outDir, nil, conf)
    83  	if _, err := cli.Process(cmd); err != nil {
    84  		t.Fatalf("%s extract all attachments: %v\n", msg, err)
    85  	}
    86  
    87  	// Extract 1 attachment.
    88  	cmd = cli.ExtractAttachmentsCommand(fileName, outDir, []string{"golang.pdf"}, conf)
    89  	if _, err := cli.Process(cmd); err != nil {
    90  		t.Fatalf("%s extract one attachment: %v\n", msg, err)
    91  	}
    92  
    93  	// Remove 1 attachment.
    94  	cmd = cli.RemoveAttachmentsCommand(fileName, "", []string{"golang.pdf"}, conf)
    95  	if _, err := cli.Process(cmd); err != nil {
    96  		t.Fatalf("%s remove one attachment: %v\n", msg, err)
    97  	}
    98  	listAttachments(t, msg, fileName, 3)
    99  
   100  	// Remove all attachments.
   101  	cmd = cli.RemoveAttachmentsCommand(fileName, "", nil, conf)
   102  	if _, err := cli.Process(cmd); err != nil {
   103  		t.Fatalf("%s remove all attachments: %v\n", msg, err)
   104  	}
   105  	listAttachments(t, msg, fileName, 0)
   106  
   107  	// Validate the processed file.
   108  	if err := validateFile(t, fileName, conf); err != nil {
   109  		t.Fatalf("%s: validate: %v\n", msg, err)
   110  	}
   111  }