start refactoring

utils/crypto/crypto_test.go

@@ -0,0 +1,52 @@
+// Copyright 2017 fatedier, fatedier@gmail.com
+//
+// 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 crypto
+
+import (
+	"bytes"
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestWriter(t *testing.T) {
+	// Empty key.
+	assert := assert.New(t)
+	key := ""
+	buffer := bytes.NewBuffer(nil)
+	_, err := NewWriter(buffer, []byte(key))
+	assert.NoError(err)
+}
+
+func TestCrypto(t *testing.T) {
+	assert := assert.New(t)
+
+	text := "1234567890abcdefghigklmnopqrstuvwxyzeeeeeeeeeeeeeeeeeeeeeewwwwwwwwwwwwwwwwwwwwwwwwwwzzzzzzzzzzzzzzzzzzzzzzzzdddddddddddddddddddddddddddddddddddddrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrllllllllllllllllllllllllllllllllllqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeewwwwwwwwwwwwwwwwwwwwww"
+	key := "123456"
+
+	buffer := bytes.NewBuffer(nil)
+	encWriter, err := NewWriter(buffer, []byte(key))
+	assert.NoError(err)
+
+	encWriter.Write([]byte(text))
+
+	decReader, err := NewReader(buffer, []byte(key))
+	assert.NoError(err)
+
+	c := bytes.NewBuffer(nil)
+	io.Copy(c, decReader)
+	assert.Equal(text, string(c.Bytes()))
+}