package util

import (

"testing"

"github.com/ipfs/go-cid"

"github.com/stretchr/testify/require"

)

const cidString = "QmSqL792vF4fGjStbYHRgazsEahAQKZmx68jrnvFi9hXMp"

func TestCidToString(t *testing.T) {

c, err := cid.Decode(cidString)

require.NoError(t, err)

s := CidToString(c)

require.Equal(t, cidString, s)

c = cid.Undef

s = CidToString(c)

require.Equal(t, CidUndef, s)

}

func TestCidFromString(t *testing.T) {

orig, err := cid.Decode(cidString)

require.NoError(t, err)

c, err := CidFromString(cidString)

require.NoError(t, err)

require.Equal(t, orig, c)

c, err = CidFromString(CidUndef)

require.NoError(t, err)

require.Equal(t, cid.Undef, c)

c, err = CidFromString(DefaultCidUndef)

require.NoError(t, err)

require.Equal(t, cid.Undef, c)

_, err = CidFromString("xyz")

require.Error(t, err)

}