start refactoring

models/proto/tcp/process_test.go

@@ -0,0 +1,129 @@
+// 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 tcp
+
+import (
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/fatedier/frp/utils/crypto"
+)
+
+func TestJoin(t *testing.T) {
+	assert := assert.New(t)
+
+	var (
+		n   int
+		err error
+	)
+	text1 := "A document that gives tips for writing clear, idiomatic Go code. A must read for any new Go programmer. It augments the tour and the language specification, both of which should be read first."
+	text2 := "A document that specifies the conditions under which reads of a variable in one goroutine can be guaranteed to observe values produced by writes to the same variable in a different goroutine."
+
+	// Forward bytes directly.
+	pr, pw := io.Pipe()
+	pr2, pw2 := io.Pipe()
+	pr3, pw3 := io.Pipe()
+	pr4, pw4 := io.Pipe()
+
+	conn1 := WrapReadWriteCloser(pr, pw2)
+	conn2 := WrapReadWriteCloser(pr2, pw)
+	conn3 := WrapReadWriteCloser(pr3, pw4)
+	conn4 := WrapReadWriteCloser(pr4, pw3)
+
+	go func() {
+		Join(conn2, conn3)
+	}()
+
+	buf1 := make([]byte, 1024)
+	buf2 := make([]byte, 1024)
+
+	conn1.Write([]byte(text1))
+	conn4.Write([]byte(text2))
+
+	n, err = conn4.Read(buf1)
+	assert.NoError(err)
+	assert.Equal(text1, string(buf1[:n]))
+
+	n, err = conn1.Read(buf2)
+	assert.NoError(err)
+	assert.Equal(text2, string(buf2[:n]))
+
+	conn1.Close()
+	conn2.Close()
+	conn3.Close()
+	conn4.Close()
+}
+
+func TestJoinEncrypt(t *testing.T) {
+	assert := assert.New(t)
+
+	var (
+		n   int
+		err error
+	)
+	text1 := "1234567890"
+	text2 := "abcdefghij"
+	key := "authkey"
+
+	// Forward enrypted bytes.
+	pr, pw := io.Pipe()
+	pr2, pw2 := io.Pipe()
+	pr3, pw3 := io.Pipe()
+	pr4, pw4 := io.Pipe()
+	pr5, pw5 := io.Pipe()
+	pr6, pw6 := io.Pipe()
+
+	conn1 := WrapReadWriteCloser(pr, pw2)
+	conn2 := WrapReadWriteCloser(pr2, pw)
+	conn3 := WrapReadWriteCloser(pr3, pw4)
+	conn4 := WrapReadWriteCloser(pr4, pw3)
+	conn5 := WrapReadWriteCloser(pr5, pw6)
+	conn6 := WrapReadWriteCloser(pr6, pw5)
+
+	r1, err := crypto.NewReader(conn3, []byte(key))
+	assert.NoError(err)
+	w1, err := crypto.NewWriter(conn3, []byte(key))
+	assert.NoError(err)
+
+	r2, err := crypto.NewReader(conn4, []byte(key))
+	assert.NoError(err)
+	w2, err := crypto.NewWriter(conn4, []byte(key))
+	assert.NoError(err)
+
+	go Join(conn2, WrapReadWriteCloser(r1, w1))
+	go Join(WrapReadWriteCloser(r2, w2), conn5)
+
+	buf := make([]byte, 128)
+
+	conn1.Write([]byte(text1))
+	conn6.Write([]byte(text2))
+
+	n, err = conn6.Read(buf)
+	assert.NoError(err)
+	assert.Equal(text1, string(buf[:n]))
+
+	n, err = conn1.Read(buf)
+	assert.NoError(err)
+	assert.Equal(text2, string(buf[:n]))
+
+	conn1.Close()
+	conn2.Close()
+	conn3.Close()
+	conn4.Close()
+	conn5.Close()
+	conn6.Close()
+}