package orchestrator

import (
	"bytes"
	"testing"
)

func TestParseMAC(t *testing.T) {
	got, err := parseMAC("aa:bb:cc:dd:ee:ff")
	if err != nil {
		t.Fatalf("parseMAC: %v", err)
	}
	want := []byte{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}
	if !bytes.Equal(got, want) {
		t.Fatalf("parseMAC: %x != %x", got, want)
	}
}

func TestParseMACUpper(t *testing.T) {
	// Must be case-insensitive so users can paste either form.
	got, err := parseMAC("AA:BB:CC:DD:EE:FF")
	if err != nil {
		t.Fatalf("parseMAC upper: %v", err)
	}
	want := []byte{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}
	if !bytes.Equal(got, want) {
		t.Fatalf("parseMAC upper: %x != %x", got, want)
	}
}

func TestParseMACInvalid(t *testing.T) {
	for _, bad := range []string{"", "aa:bb:cc", "zz:yy:xx:ww:vv:uu", "aa-bb-cc-dd-ee-ff", "aa:bb:cc:dd:ee:ff:00"} {
		if _, err := parseMAC(bad); err == nil {
			t.Errorf("expected error for %q", bad)
		}
	}
}