forked from funny/proxy
/
main_test.go
344 lines (287 loc) · 6.91 KB
/
main_test.go
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package main
import (
"io"
"math/rand"
"net"
"strings"
"testing"
"time"
"github.com/funny/crypto/aes256cbc"
"github.com/funny/utest"
)
func init() {
isTest = true
cfgSecret = []byte("test")
go main()
time.Sleep(time.Second * 2)
}
func RandBytes(n int) []byte {
n = rand.Intn(n) + 1
b := make([]byte, n)
for i := 0; i < n; i++ {
b[i] = byte(rand.Intn(255))
}
return b
}
func Test_Fatals(t *testing.T) {
// missing passphrase
oldSecret := cfgSecret
defer func() {
cfgSecret = oldSecret
}()
cfgSecret = nil
func() {
defer func() {
err := recover()
utest.NotNilNow(t, err)
utest.Assert(t, strings.Contains(err.(string), "Missing passphrase"))
}()
main()
}()
cfgSecret = oldSecret
// bad pprof address
cfgPprofAddr = "xxoo"
func() {
defer func() {
err := recover()
utest.NotNilNow(t, err)
utest.Assert(t, strings.Contains(err.(string), "Setup pprof failed"))
}()
main()
}()
cfgPprofAddr = "0.0.0.0:0"
// bad gateway address
oldAddr := cfgGatewayAddr
defer func() {
cfgGatewayAddr = oldAddr
}()
cfgGatewayAddr = "abc"
func() {
defer func() {
err := recover()
utest.NotNilNow(t, err)
utest.Assert(t, strings.Contains(err.(string), "Setup listener failed"))
}()
main()
}()
// bad gateway address with reuse port
cfgReusePort = true
func() {
defer func() {
err := recover()
utest.NotNilNow(t, err)
utest.Assert(t, strings.Contains(err.(string), "Setup listener failed"))
}()
start()
}()
}
func Test_BadReq1(t *testing.T) {
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
err = conn.(*net.TCPConn).CloseWrite()
utest.IsNilNow(t, err)
code := make([]byte, 3)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code), string(codeBadReq))
}
func Test_BadReq2(t *testing.T) {
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
_, err = conn.Write([]byte("abc"))
utest.IsNilNow(t, err)
err = conn.(*net.TCPConn).CloseWrite()
utest.IsNilNow(t, err)
code := make([]byte, 3)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code), string(codeBadReq))
}
func Test_BadReq3(t *testing.T) {
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
_, err = conn.Write(make([]byte, 128))
utest.IsNilNow(t, err)
code := make([]byte, 3)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code), string(codeBadReq))
}
func Test_BadAddr(t *testing.T) {
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
_, err = conn.Write([]byte("abc\n"))
utest.IsNilNow(t, err)
code := make([]byte, 3)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code), string(codeBadAddr))
}
func Test_CodeDialErr(t *testing.T) {
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
encryptedAddr, err := aes256cbc.EncryptString("test", "0.0.0.0:0")
utest.IsNilNow(t, err)
_, err = conn.Write([]byte(encryptedAddr))
utest.IsNilNow(t, err)
_, err = conn.Write([]byte("\n"))
utest.IsNilNow(t, err)
code := make([]byte, 3)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code), string(codeDialErr))
}
func Test_DialTimeout(t *testing.T) {
oldTimeout := cfgDialTimeout
cfgDialTimeout = 10
defer func() {
cfgDialTimeout = oldTimeout
}()
listener, err := net.Listen("tcp", "0.0.0.0:0")
utest.IsNilNow(t, err)
defer listener.Close()
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
encryptedAddr, err := aes256cbc.EncryptString("test", listener.Addr().String())
utest.IsNilNow(t, err)
_, err = conn.Write([]byte(encryptedAddr))
utest.IsNilNow(t, err)
_, err = conn.Write([]byte("\n"))
utest.IsNilNow(t, err)
code := make([]byte, 3)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code), string(codeDialTimeout))
}
func Test_OK(t *testing.T) {
listener, err := net.Listen("tcp", "0.0.0.0:0")
utest.IsNilNow(t, err)
defer listener.Close()
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
encryptedAddr, err := aes256cbc.EncryptString(string(cfgSecret), listener.Addr().String())
utest.IsNilNow(t, err)
_, err = conn.Write([]byte(encryptedAddr))
utest.IsNilNow(t, err)
_, err = conn.Write([]byte("\n"))
utest.IsNilNow(t, err)
code := make([]byte, 3)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code), string(codeOK))
}
type TestError struct {
timeout bool
temporary bool
}
func (e TestError) Error() string {
return "This is test error"
}
func (e TestError) Timeout() bool {
return e.timeout
}
func (e TestError) Temporary() bool {
return e.temporary
}
type TestListener struct {
n int
err TestError
}
func (l *TestListener) Accept() (net.Conn, error) {
if l.n == -1 {
return nil, l.err
}
if l.n == 0 {
return &net.TCPConn{}, nil
}
l.n--
return nil, l.err
}
func (l *TestListener) Close() error {
return nil
}
func (l *TestListener) Addr() net.Addr {
return nil
}
func Test_Accept(t *testing.T) {
_, err := accept(&TestListener{
9, TestError{false, true},
})
utest.IsNilNow(t, err)
_, err = accept(&TestListener{
-1, TestError{true, false},
})
utest.NotNilNow(t, err)
func() {
defer func() {
err := recover()
utest.NotNilNow(t, err)
utest.Assert(t, strings.Contains(err.(string), "Gateway accept failed"))
}()
loop(&TestListener{
-1, TestError{true, false},
})
}()
}
type TestReadWriteCloser struct {
closed bool
}
func (t *TestReadWriteCloser) Write(_ []byte) (int, error) {
panic("just panic")
}
func (t *TestReadWriteCloser) Read(_ []byte) (int, error) {
panic("just panic")
}
func (t *TestReadWriteCloser) Close() error {
t.closed = true
return nil
}
func Test_Transfer(t *testing.T) {
listener, err := net.Listen("tcp", "0.0.0.0:0")
utest.IsNilNow(t, err)
defer listener.Close()
go func() {
for {
conn, err := listener.Accept()
if err != nil {
continue
}
go func() {
defer conn.Close()
io.Copy(conn, conn)
}()
}
}()
for i := 0; i < 20; i++ {
conn, err := net.Dial("tcp", cfgGatewayAddr)
utest.IsNilNow(t, err)
defer conn.Close()
encryptedAddr, err := aes256cbc.EncryptString(string(cfgSecret), listener.Addr().String())
utest.IsNilNow(t, err)
_, err = conn.Write([]byte(encryptedAddr))
utest.IsNilNow(t, err)
_, err = conn.Write([]byte("\nabc"))
utest.IsNilNow(t, err)
code := make([]byte, 6)
_, err = io.ReadFull(conn, code)
utest.IsNilNow(t, err)
utest.EqualNow(t, string(code[:3]), string(codeOK))
utest.EqualNow(t, string(code[3:]), "abc")
for j := 0; j < 10000; j++ {
b1 := RandBytes(256)
_, err = conn.Write(b1)
utest.IsNilNow(t, err)
b2 := make([]byte, len(b1))
_, err = io.ReadFull(conn, b2)
utest.IsNilNow(t, err)
utest.EqualNow(t, b1, b2)
}
}
}