github.com/stffabi/git-lfs@v2.3.5-0.20180214015214-8eeaa8d88902+incompatible/git/odb/pack/packfile_decode_test.go (about)

     1  package pack
     2  
     3  import (
     4  	"bytes"
     5  	"testing"
     6  
     7  	"github.com/stretchr/testify/assert"
     8  )
     9  
    10  func TestDecodePackfileDecodesIntegerVersion(t *testing.T) {
    11  	p, err := DecodePackfile(bytes.NewReader([]byte{
    12  		'P', 'A', 'C', 'K', // Pack header.
    13  		0x0, 0x0, 0x0, 0x2, // Pack version.
    14  		0x0, 0x0, 0x0, 0x0, // Number of packed objects.
    15  	}))
    16  
    17  	assert.NoError(t, err)
    18  	assert.EqualValues(t, 2, p.Version)
    19  }
    20  
    21  func TestDecodePackfileDecodesIntegerCount(t *testing.T) {
    22  	p, err := DecodePackfile(bytes.NewReader([]byte{
    23  		'P', 'A', 'C', 'K', // Pack header.
    24  		0x0, 0x0, 0x0, 0x2, // Pack version.
    25  		0x0, 0x0, 0x1, 0x2, // Number of packed objects.
    26  	}))
    27  
    28  	assert.NoError(t, err)
    29  	assert.EqualValues(t, 258, p.Objects)
    30  }
    31  
    32  func TestDecodePackfileReportsBadHeaders(t *testing.T) {
    33  	p, err := DecodePackfile(bytes.NewReader([]byte{
    34  		'W', 'R', 'O', 'N', 'G', // Malformed pack header.
    35  		0x0, 0x0, 0x0, 0x0, // Pack version.
    36  		0x0, 0x0, 0x0, 0x0, // Number of packed objects.
    37  	}))
    38  
    39  	assert.Equal(t, errBadPackHeader, err)
    40  	assert.Nil(t, p)
    41  }