evidence_test.go

// Copyright 2020 Contributors to the Veraison project.
// SPDX-License-Identifier: Apache-2.0

package swid

import (
	"testing"
	"time"

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

func TestEvidence_Roundtrip(t *testing.T) {
	date, _ := time.Parse(time.RFC3339, "1970-01-01T00:00:00Z")

	tv := Evidence{
		Date:     date,
		DeviceID: "BAD809B1-7032-43D9-8F94-BF128E5D061D",
	}
	/*
	   a2                                      # map(2)
	      18 23                                # unsigned(35)
	      c1                                   # tag(1) <- CoSWID wants time = #6.1(number)
	         00                                # unsigned(0)
	      18 24                                # unsigned(36)
	      78 24                                # text(36)
	         42414438303942312d373033322d343344392d384639342d424631323845354430363144 # "BAD809B1-7032-43D9-8F94-BF128E5D061D"
	*/
	expectedCBOR := []byte{
		0xa2, 0x18, 0x23, 0xc1, 0x00, 0x18, 0x24, 0x78, 0x24, 0x42, 0x41,
		0x44, 0x38, 0x30, 0x39, 0x42, 0x31, 0x2d, 0x37, 0x30, 0x33, 0x32,
		0x2d, 0x34, 0x33, 0x44, 0x39, 0x2d, 0x38, 0x46, 0x39, 0x34, 0x2d,
		0x42, 0x46, 0x31, 0x32, 0x38, 0x45, 0x35, 0x44, 0x30, 0x36, 0x31,
		0x44,
	}

	data, err := em.Marshal(tv)

	assert.Nil(t, err)
	t.Logf("CBOR(hex): %x\n", data)
	assert.Equal(t, expectedCBOR, data)

	actual := Evidence{}
	err = dm.Unmarshal(data, &actual)

	assert.Nil(t, err)
	assert.Equal(t, tv.Date.UTC(), actual.Date.UTC()) // compare as UTC
	assert.Equal(t, tv.DeviceID, actual.DeviceID)
}