userattribute_test.go

Documentation: golang.org/x/crypto/openpgp/packet

     1  // Copyright 2011 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package packet
     6  
     7  import (
     8  	"bytes"
     9  	"encoding/base64"
    10  	"image/color"
    11  	"image/jpeg"
    12  	"testing"
    13  )
    14  
    15  func TestParseUserAttribute(t *testing.T) {
    16  	r := base64.NewDecoder(base64.StdEncoding, bytes.NewBufferString(userAttributePacket))
    17  	for i := 0; i < 2; i++ {
    18  		p, err := Read(r)
    19  		if err != nil {
    20  			t.Fatal(err)
    21  		}
    22  		uat := p.(*UserAttribute)
    23  		imgs := uat.ImageData()
    24  		if len(imgs) != 1 {
    25  			t.Errorf("Unexpected number of images in user attribute packet: %d", len(imgs))
    26  		}
    27  		if len(imgs[0]) != 3395 {
    28  			t.Errorf("Unexpected JPEG image size: %d", len(imgs[0]))
    29  		}
    30  		img, err := jpeg.Decode(bytes.NewBuffer(imgs[0]))
    31  		if err != nil {
    32  			t.Errorf("Error decoding JPEG image: %v", err)
    33  		}
    34  		// A pixel in my right eye.
    35  		pixel := color.NRGBAModel.Convert(img.At(56, 36))
    36  		ref := color.NRGBA{R: 157, G: 128, B: 124, A: 255}
    37  		if pixel != ref {
    38  			t.Errorf("Unexpected pixel color: %v", pixel)
    39  		}
    40  		w := bytes.NewBuffer(nil)
    41  		err = uat.Serialize(w)
    42  		if err != nil {
    43  			t.Errorf("Error writing user attribute: %v", err)
    44  		}
    45  		r = bytes.NewBuffer(w.Bytes())
    46  	}
    47  }
    48  
    49  const userAttributePacket = `
    50  0cyWzJQBEAABAQAAAAAAAAAAAAAAAP/Y/+AAEEpGSUYAAQIAAAEAAQAA/9sAQwAFAwQEBAMFBAQE
    51  BQUFBgcMCAcHBwcPCgsJDBEPEhIRDxEQExYcFxMUGhUQERghGBocHR8fHxMXIiQiHiQcHh8e/9sA
    52  QwEFBQUHBgcOCAgOHhQRFB4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4e
    53  Hh4eHh4eHh4e/8AAEQgAZABkAwEiAAIRAQMRAf/EAB8AAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYH
    54  CAkKC//EALUQAAIBAwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHw
    55  JDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6
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    57  5ebn6Onq8fLz9PX29/j5+v/EAB8BAAMBAQEBAQEBAQEAAAAAAAABAgMEBQYHCAkKC//EALURAAIB
    58  AgQEAwQHBQQEAAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDThJfEX
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   110
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