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path: root/dhcpv4/bsdp/bsdp_option_default_boot_image_id_test.go
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package bsdp

import (
	"testing"

	"github.com/stretchr/testify/require"
)

func TestOptDefaultBootImageIDInterfaceMethods(t *testing.T) {
	b := BootImageID{IsInstall: true, ImageType: BootImageTypeMacOSX, Index: 1001}
	o := OptDefaultBootImageID{b}
	require.Equal(t, OptionDefaultBootImageID, o.Code(), "Code")
	require.Equal(t, 4, o.Length(), "Length")
	expectedBytes := []byte{byte(OptionDefaultBootImageID), 4}
	require.Equal(t, append(expectedBytes, b.ToBytes()...), o.ToBytes(), "ToBytes")
}

func TestParseOptDefaultBootImageID(t *testing.T) {
	b := BootImageID{IsInstall: true, ImageType: BootImageTypeMacOSX, Index: 1001}
	bootImageBytes := b.ToBytes()
	data := append([]byte{byte(OptionDefaultBootImageID), 4}, bootImageBytes...)
	o, err := ParseOptDefaultBootImageID(data)
	require.NoError(t, err)
	require.Equal(t, &OptDefaultBootImageID{b}, o)

	// Short byte stream
	data = []byte{byte(OptionDefaultBootImageID), 4}
	_, err = ParseOptDefaultBootImageID(data)
	require.Error(t, err, "should get error from short byte stream")

	// Wrong code
	data = []byte{54, 2, 1, 0, 0, 0}
	_, err = ParseOptDefaultBootImageID(data)
	require.Error(t, err, "should get error from wrong code")

	// Bad length
	data = []byte{byte(OptionDefaultBootImageID), 5, 1, 0, 0, 0, 0}
	_, err = ParseOptDefaultBootImageID(data)
	require.Error(t, err, "should get error from bad length")
}

func TestOptDefaultBootImageIDString(t *testing.T) {
	b := BootImageID{IsInstall: true, ImageType: BootImageTypeMacOSX, Index: 1001}
	o := OptDefaultBootImageID{b}
	require.Equal(t, "BSDP Default Boot Image ID -> [1001] installable macOS image", o.String())

	b = BootImageID{IsInstall: false, ImageType: BootImageTypeMacOS9, Index: 1001}
	o = OptDefaultBootImageID{b}
	require.Equal(t, "BSDP Default Boot Image ID -> [1001] uninstallable macOS 9 image", o.String())

	b = BootImageID{IsInstall: false, ImageType: BootImageType(99), Index: 1001}
	o = OptDefaultBootImageID{b}
	require.Equal(t, "BSDP Default Boot Image ID -> [1001] uninstallable unknown image", o.String())
}