frp/models/proto/tcp/process_test.go
2017-03-12 01:08:33 +08:00

68 lines
1.8 KiB
Go

// 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"
)
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()
}