github.com/pkg/sftp@v1.13.6/internal/encoding/ssh/filexfer/init_packets_test.go (about)

     1  package sshfx
     2  
     3  import (
     4  	"bytes"
     5  	"testing"
     6  )
     7  
     8  func TestInitPacket(t *testing.T) {
     9  	var version uint8 = 3
    10  
    11  	p := &InitPacket{
    12  		Version: uint32(version),
    13  		Extensions: []*ExtensionPair{
    14  			{
    15  				Name: "foo",
    16  				Data: "1",
    17  			},
    18  		},
    19  	}
    20  
    21  	buf, err := p.MarshalBinary()
    22  	if err != nil {
    23  		t.Fatal("unexpected error:", err)
    24  	}
    25  
    26  	want := []byte{
    27  		0x00, 0x00, 0x00, 17,
    28  		1,
    29  		0x00, 0x00, 0x00, version,
    30  		0x00, 0x00, 0x00, 3, 'f', 'o', 'o',
    31  		0x00, 0x00, 0x00, 1, '1',
    32  	}
    33  
    34  	if !bytes.Equal(buf, want) {
    35  		t.Fatalf("MarshalBinary() = %X, but wanted %X", buf, want)
    36  	}
    37  
    38  	*p = InitPacket{}
    39  
    40  	// UnmarshalBinary assumes the uint32(length) + uint8(type) have already been consumed.
    41  	if err := p.UnmarshalBinary(buf[5:]); err != nil {
    42  		t.Fatal("unexpected error:", err)
    43  	}
    44  
    45  	if p.Version != uint32(version) {
    46  		t.Errorf("UnmarshalBinary(): Version was %d, but expected %d", p.Version, version)
    47  	}
    48  
    49  	if len(p.Extensions) != 1 {
    50  		t.Fatalf("UnmarshalBinary(): len(p.Extensions) was %d, but expected %d", len(p.Extensions), 1)
    51  	}
    52  
    53  	if got, want := p.Extensions[0].Name, "foo"; got != want {
    54  		t.Errorf("UnmarshalBinary(): p.Extensions[0].Name was %q, but expected %q", got, want)
    55  	}
    56  
    57  	if got, want := p.Extensions[0].Data, "1"; got != want {
    58  		t.Errorf("UnmarshalBinary(): p.Extensions[0].Data was %q, but expected %q", got, want)
    59  	}
    60  }
    61  
    62  func TestVersionPacket(t *testing.T) {
    63  	var version uint8 = 3
    64  
    65  	p := &VersionPacket{
    66  		Version: uint32(version),
    67  		Extensions: []*ExtensionPair{
    68  			{
    69  				Name: "foo",
    70  				Data: "1",
    71  			},
    72  		},
    73  	}
    74  
    75  	buf, err := p.MarshalBinary()
    76  	if err != nil {
    77  		t.Fatal("unexpected error:", err)
    78  	}
    79  
    80  	want := []byte{
    81  		0x00, 0x00, 0x00, 17,
    82  		2,
    83  		0x00, 0x00, 0x00, version,
    84  		0x00, 0x00, 0x00, 3, 'f', 'o', 'o',
    85  		0x00, 0x00, 0x00, 1, '1',
    86  	}
    87  
    88  	if !bytes.Equal(buf, want) {
    89  		t.Fatalf("MarshalBinary() = %X, but wanted %X", buf, want)
    90  	}
    91  
    92  	*p = VersionPacket{}
    93  
    94  	// UnmarshalBinary assumes the uint32(length) + uint8(type) have already been consumed.
    95  	if err := p.UnmarshalBinary(buf[5:]); err != nil {
    96  		t.Fatal("unexpected error:", err)
    97  	}
    98  
    99  	if p.Version != uint32(version) {
   100  		t.Errorf("UnmarshalBinary(): Version was %d, but expected %d", p.Version, version)
   101  	}
   102  
   103  	if len(p.Extensions) != 1 {
   104  		t.Fatalf("UnmarshalBinary(): len(p.Extensions) was %d, but expected %d", len(p.Extensions), 1)
   105  	}
   106  
   107  	if got, want := p.Extensions[0].Name, "foo"; got != want {
   108  		t.Errorf("UnmarshalBinary(): p.Extensions[0].Name was %q, but expected %q", got, want)
   109  	}
   110  
   111  	if got, want := p.Extensions[0].Data, "1"; got != want {
   112  		t.Errorf("UnmarshalBinary(): p.Extensions[0].Data was %q, but expected %q", got, want)
   113  	}
   114  }