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// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package testutil_test
import (
"bytes"
"encoding/hex"
"encoding/json"
"os"
"testing"
"github.com/tink-crypto/tink-go/v2/testutil"
)
func TestPopulateSuite(t *testing.T) {
type AeadTest struct {
testutil.WycheproofCase
Key testutil.HexBytes `json:"key"`
IV testutil.HexBytes `json:"iv"`
AAD testutil.HexBytes `json:"aad"`
Message testutil.HexBytes `json:"msg"`
Ciphertext testutil.HexBytes `json:"ct"`
Tag testutil.HexBytes `json:"tag"`
}
type AeadGroup struct {
testutil.WycheproofGroup
Tests []*AeadTest `json:"tests"`
}
type AeadSuite struct {
testutil.WycheproofSuite
TestGroups []*AeadGroup `json:"testGroups"`
}
suite := new(AeadSuite)
if err := testutil.PopulateSuite(suite, "aes_gcm_test.json"); err != nil {
t.Fatalf("error populating suite: %s", err)
}
if suite.Algorithm != "AES-GCM" {
t.Errorf("suite.Algorithm=%s, want AES-GCM", suite.Algorithm)
}
if suite.TestGroups[0].Tests[0].Key == nil {
t.Error("suite.TestGroups[0].Tests[0].Key is nil")
}
}
func TestPopulateSuite_FileOpenError(t *testing.T) {
suite := new(testutil.WycheproofSuite)
err := testutil.PopulateSuite(suite, "NON_EXISTENT_FILE")
if err == nil {
t.Error("succeeded with non-existent file")
}
if _, ok := err.(*os.PathError); !ok {
t.Errorf("unexpected error for non-existent file: %s", err)
}
}
func TestPopulateSuite_DecodeError(t *testing.T) {
var suite *testutil.WycheproofSuite
err := testutil.PopulateSuite(suite, "aes_gcm_test.json")
if err == nil {
t.Error("succeeded with nil suite")
}
if _, ok := err.(*json.InvalidUnmarshalError); !ok {
t.Errorf("unexpected error for decode error: %s", err)
}
}
func TestHexBytes(t *testing.T) {
validHex := []byte("abc123")
want, err := hex.DecodeString(string(validHex))
if err != nil {
t.Fatalf("hex.DecodeString(%q) err = %v, want nil", validHex, err)
}
var got testutil.HexBytes
if err = got.UnmarshalText(validHex); err != nil {
t.Fatalf("hb.UnmarshalText(%q) err = %v, want nil", validHex, err)
}
if !bytes.Equal(got, want) {
t.Errorf("hb.UnmarshalText(%q); hb = %v, want %v", validHex, got, want)
}
}
func TestHexBytes_DecodeError(t *testing.T) {
invalidHex := []byte("xyz")
var hb testutil.HexBytes
err := hb.UnmarshalText(invalidHex)
if err == nil {
t.Errorf("hb.UnmarshalText(%q) = nil, want err", invalidHex)
}
}
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