Files
ucan/tokens/internal/envelope/ipld_test.go
2024-09-24 11:40:28 -04:00

152 lines
3.6 KiB
Go

package envelope_test
import (
"bytes"
"crypto/sha256"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/ucan-wg/go-ucan/tokens/internal/envelope"
"gotest.tools/v3/golden"
)
func TestDecode(t *testing.T) {
t.Parallel()
t.Run("via FromDagCbor", func(t *testing.T) {
t.Parallel()
data := golden.Get(t, "example.dagcbor")
tkn, err := envelope.FromDagCbor[*Example](data)
require.NoError(t, err)
assert.Equal(t, exampleGreeting, tkn.Hello)
assert.Equal(t, exampleDID, tkn.Issuer)
})
t.Run("via FromDagJson", func(t *testing.T) {
t.Parallel()
data := golden.Get(t, "example.dagjson")
tkn, err := envelope.FromDagJson[*Example](data)
require.NoError(t, err)
assert.Equal(t, exampleGreeting, tkn.Hello)
assert.Equal(t, exampleDID, tkn.Issuer)
})
}
func TestEncode(t *testing.T) {
t.Parallel()
t.Run("via ToDagCbor", func(t *testing.T) {
t.Parallel()
data, err := envelope.ToDagCbor(examplePrivKey(t), newExample(t))
require.NoError(t, err)
golden.AssertBytes(t, data, exampleDAGCBORFilename)
})
t.Run("via ToDagJson", func(t *testing.T) {
t.Parallel()
data, err := envelope.ToDagJson(examplePrivKey(t), newExample(t))
require.NoError(t, err)
golden.Assert(t, string(data), exampleDAGJSONFilename)
})
}
func TestRoundtrip(t *testing.T) {
t.Parallel()
t.Run("via FromDagCbor/ToDagCbor", func(t *testing.T) {
t.Parallel()
dataIn := golden.Get(t, exampleDAGCBORFilename)
tkn, err := envelope.FromDagCbor[*Example](dataIn)
require.NoError(t, err)
assert.Equal(t, exampleGreeting, tkn.Hello)
assert.Equal(t, exampleDID, tkn.Issuer)
dataOut, err := envelope.ToDagCbor(examplePrivKey(t), newExample(t))
require.NoError(t, err)
assert.Equal(t, dataIn, dataOut)
})
t.Run("via FromDagCborReader/ToDagCborWriter", func(t *testing.T) {
t.Parallel()
data := golden.Get(t, exampleDAGCBORFilename)
tkn, err := envelope.FromDagCborReader[*Example](bytes.NewReader(data))
require.NoError(t, err)
assert.Equal(t, exampleGreeting, tkn.Hello)
assert.Equal(t, exampleDID, tkn.Issuer)
w := &bytes.Buffer{}
require.NoError(t, envelope.ToDagCborWriter(w, examplePrivKey(t), newExample(t)))
assert.Equal(t, data, w.Bytes())
})
t.Run("via FromDagJson/ToDagJson", func(t *testing.T) {
t.Parallel()
dataIn := golden.Get(t, exampleDAGJSONFilename)
tkn, err := envelope.FromDagJson[*Example](dataIn)
require.NoError(t, err)
assert.Equal(t, exampleGreeting, tkn.Hello)
assert.Equal(t, exampleDID, tkn.Issuer)
dataOut, err := envelope.ToDagJson(examplePrivKey(t), newExample(t))
require.NoError(t, err)
assert.Equal(t, dataIn, dataOut)
})
t.Run("via FromDagJsonReader/ToDagJsonrWriter", func(t *testing.T) {
t.Parallel()
data := golden.Get(t, exampleDAGJSONFilename)
tkn, err := envelope.FromDagJsonReader[*Example](bytes.NewReader(data))
require.NoError(t, err)
assert.Equal(t, exampleGreeting, tkn.Hello)
assert.Equal(t, exampleDID, tkn.Issuer)
w := &bytes.Buffer{}
require.NoError(t, envelope.ToDagJsonWriter(w, examplePrivKey(t), newExample(t)))
assert.Equal(t, data, w.Bytes())
})
}
func TestFromIPLD_with_invalid_signature(t *testing.T) {
t.Parallel()
node := invalidNodeFromGolden(t)
tkn, err := envelope.FromIPLD[*Example](node)
assert.Nil(t, tkn)
require.EqualError(t, err, "failed to verify the token's signature")
}
func TestHash(t *testing.T) {
t.Parallel()
msg := []byte("this is a test")
hash1 := sha256.Sum256(msg)
hasher := sha256.New()
for _, b := range msg {
hasher.Write([]byte{b})
}
hash2 := hasher.Sum(nil)
hash3 := hasher.Sum(nil)
require.Equal(t, hash1[:], hash2)
require.Equal(t, hash1[:], hash3)
}