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package bsdp
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/u-root/u-root/pkg/uio"
)
func TestBootImageIDToBytes(t *testing.T) {
b := BootImageID{
IsInstall: true,
ImageType: BootImageTypeMacOSX,
Index: 0x1000,
}
actual := uio.ToBigEndian(b)
expected := []byte{0x81, 0, 0x10, 0}
require.Equal(t, expected, actual)
b.IsInstall = false
actual = uio.ToBigEndian(b)
expected = []byte{0x01, 0, 0x10, 0}
require.Equal(t, expected, actual)
}
func TestBootImageIDFromBytes(t *testing.T) {
b := BootImageID{
IsInstall: false,
ImageType: BootImageTypeMacOSX,
Index: 0x1000,
}
var newBootImage BootImageID
require.NoError(t, uio.FromBigEndian(&newBootImage, uio.ToBigEndian(b)))
require.Equal(t, b, newBootImage)
b = BootImageID{
IsInstall: true,
ImageType: BootImageTypeMacOSX,
Index: 0x1011,
}
require.NoError(t, uio.FromBigEndian(&newBootImage, uio.ToBigEndian(b)))
require.Equal(t, b, newBootImage)
}
func TestBootImageIDFromBytesFail(t *testing.T) {
serialized := []byte{0x81, 0, 0x10} // intentionally left short
var deserialized BootImageID
require.Error(t, uio.FromBigEndian(&deserialized, serialized))
}
func TestBootImageIDString(t *testing.T) {
b := BootImageID{IsInstall: false, ImageType: BootImageTypeMacOSX, Index: 1001}
require.Equal(t, "[1001] uninstallable macOS image", b.String())
}
/*
* BootImage
*/
func TestBootImageToBytes(t *testing.T) {
b := BootImage{
ID: BootImageID{
IsInstall: true,
ImageType: BootImageTypeMacOSX,
Index: 0x1000,
},
Name: "bsdp-1",
}
expected := []byte{
0x81, 0, 0x10, 0, // boot image ID
6, // len(Name)
98, 115, 100, 112, 45, 49, // byte-encoding of Name
}
actual := uio.ToBigEndian(b)
require.Equal(t, expected, actual)
b = BootImage{
ID: BootImageID{
IsInstall: false,
ImageType: BootImageTypeMacOSX,
Index: 0x1010,
},
Name: "bsdp-21",
}
expected = []byte{
0x1, 0, 0x10, 0x10, // boot image ID
7, // len(Name)
98, 115, 100, 112, 45, 50, 49, // byte-encoding of Name
}
actual = uio.ToBigEndian(b)
require.Equal(t, expected, actual)
}
func TestBootImageFromBytes(t *testing.T) {
input := []byte{
0x1, 0, 0x10, 0x10, // boot image ID
7, // len(Name)
98, 115, 100, 112, 45, 50, 49, // byte-encoding of Name
}
var b BootImage
require.NoError(t, uio.FromBigEndian(&b, input))
expectedBootImage := BootImage{
ID: BootImageID{
IsInstall: false,
ImageType: BootImageTypeMacOSX,
Index: 0x1010,
},
Name: "bsdp-21",
}
require.Equal(t, expectedBootImage, b)
}
func TestBootImageFromBytesOnlyBootImageID(t *testing.T) {
// Only a BootImageID, nothing else.
input := []byte{0x1, 0, 0x10, 0x10}
var b BootImage
require.Error(t, uio.FromBigEndian(&b, input))
}
func TestBootImageFromBytesShortBootImage(t *testing.T) {
input := []byte{
0x1, 0, 0x10, 0x10, // boot image ID
7, // len(Name)
98, 115, 100, 112, 45, 50, // Name bytes (intentionally off-by-one)
}
var b BootImage
require.Error(t, uio.FromBigEndian(&b, input))
}
func TestBootImageString(t *testing.T) {
b := BootImage{
ID: BootImageID{
IsInstall: false,
ImageType: BootImageTypeMacOSX,
Index: 0x1010,
},
Name: "bsdp-21",
}
require.Equal(t, "bsdp-21 [4112] uninstallable macOS image", b.String())
}
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