message_test.go

package doubleratchet

import (
	"github.com/stretchr/testify/require"
	"testing"
)

func TestMessageHeader_EncodeAndDecode(t *testing.T) {
	// Arrange.
	mh := MessageHeader{
		DH: Key{0xe3, 0xbe, 0xb9, 0x4e, 0x70, 0x17, 0x37, 0xc, 0x1, 0x8f, 0xa9, 0x7e, 0xef, 0x4, 0xfb, 0x23, 0xac, 0xea, 0x28, 0xf7, 0xa9, 0x56, 0xcc, 0x1d, 0x46, 0xf3, 0xb5, 0x1d, 0x7d, 0x7d, 0x5e, 0x2c},
		N:  uint32(10),
		PN: uint32(15),
	}

	// Act.
	decoded, err := mh.Encode().Decode()

	// Assert.
	require.Nil(t, err)
	require.Equal(t, mh, decoded)
}

func TestMessageEncHeader_Decode(t *testing.T) {
	// Arrange.
	mhe := MessageEncHeader{0xe3, 0xbe, 0xb9, 0x4e, 0x70, 0x17, 0x37, 0xc, 0x1, 0x8f, 0xa9, 0x7e, 0xef, 0x4, 0xfb, 0x23, 0xac, 0xea, 0x28, 0xf7, 0xa9, 0x56, 0xcc, 0x1d, 0x46, 0xf3, 0xb5, 0x1d, 0x7d, 0x7d, 0x5e, 0x2c}

	// Act.
	_, err := mhe.Decode()

	// Assert.
	require.NotNil(t, err)
}