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package handshake
import (
"crypto/rand"
"testing"
"github.com/stretchr/testify/require"
)
func TestTokenProtectorEncodeAndDecode(t *testing.T) {
var key TokenProtectorKey
rand.Read(key[:])
tp := newTokenProtector(key)
token, err := tp.NewToken([]byte("foobar"))
require.NoError(t, err)
require.NotContains(t, string(token), "foobar")
decoded, err := tp.DecodeToken(token)
require.NoError(t, err)
require.Equal(t, []byte("foobar"), decoded)
}
func TestTokenProtectorDifferentKeys(t *testing.T) {
var key1, key2 TokenProtectorKey
rand.Read(key1[:])
rand.Read(key2[:])
tp1 := newTokenProtector(key1)
tp2 := newTokenProtector(key2)
t1, err := tp1.NewToken([]byte("foo"))
require.NoError(t, err)
t2, err := tp2.NewToken([]byte("foo"))
require.NoError(t, err)
_, err = tp1.DecodeToken(t1)
require.NoError(t, err)
_, err = tp1.DecodeToken(t2)
require.Error(t, err)
tp3 := newTokenProtector(key1)
_, err = tp3.DecodeToken(t1)
require.NoError(t, err)
_, err = tp3.DecodeToken(t2)
require.Error(t, err)
}
func TestTokenProtectorInvalidTokens(t *testing.T) {
var key TokenProtectorKey
rand.Read(key[:])
tp := newTokenProtector(key)
token, err := tp.NewToken([]byte("foobar"))
require.NoError(t, err)
_, err = tp.DecodeToken(token[1:])
require.Error(t, err)
require.Contains(t, err.Error(), "message authentication failed")
}
func TestTokenProtectorTooShortTokens(t *testing.T) {
var key TokenProtectorKey
rand.Read(key[:])
tp := newTokenProtector(key)
_, err := tp.DecodeToken([]byte("foobar"))
require.EqualError(t, err, "token too short: 6")
}
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