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package fasthttputil
import (
"bytes"
"fmt"
"io"
"net"
"testing"
"time"
)
func TestPipeConnsWriteTimeout(t *testing.T) {
t.Parallel()
pc := NewPipeConns()
c1 := pc.Conn1()
deadline := time.Now().Add(time.Millisecond)
if err := c1.SetWriteDeadline(deadline); err != nil {
t.Fatalf("unexpected error: %v", err)
}
data := []byte("foobar")
for {
_, err := c1.Write(data)
if err != nil {
if err == ErrTimeout {
break
}
t.Fatalf("unexpected error: %v", err)
}
}
for i := 0; i < 10; i++ {
_, err := c1.Write(data)
if err == nil {
t.Fatalf("expecting error")
}
if err != ErrTimeout {
t.Fatalf("unexpected error: %v. Expecting %v", err, ErrTimeout)
}
}
// read the written data
c2 := pc.Conn2()
if err := c2.SetReadDeadline(time.Now().Add(10 * time.Millisecond)); err != nil {
t.Fatalf("unexpected error: %v", err)
}
for {
_, err := c2.Read(data)
if err != nil {
if err == ErrTimeout {
break
}
t.Fatalf("unexpected error: %v", err)
}
}
for i := 0; i < 10; i++ {
_, err := c2.Read(data)
if err == nil {
t.Fatalf("expecting error")
}
if err != ErrTimeout {
t.Fatalf("unexpected error: %v. Expecting %v", err, ErrTimeout)
}
}
}
func TestPipeConnsPositiveReadTimeout(t *testing.T) {
t.Parallel()
testPipeConnsReadTimeout(t, time.Millisecond)
}
func TestPipeConnsNegativeReadTimeout(t *testing.T) {
t.Parallel()
testPipeConnsReadTimeout(t, -time.Second)
}
var zeroTime time.Time
func testPipeConnsReadTimeout(t *testing.T, timeout time.Duration) {
pc := NewPipeConns()
c1 := pc.Conn1()
deadline := time.Now().Add(timeout)
if err := c1.SetReadDeadline(deadline); err != nil {
t.Fatalf("unexpected error: %v", err)
}
var buf [1]byte
for i := 0; i < 10; i++ {
_, err := c1.Read(buf[:])
if err == nil {
t.Fatalf("expecting error on iteration %d", i)
}
if err != ErrTimeout {
t.Fatalf("unexpected error on iteration %d: %v. Expecting %v", i, err, ErrTimeout)
}
}
// disable deadline and send data from c2 to c1
if err := c1.SetReadDeadline(zeroTime); err != nil {
t.Fatalf("unexpected error: %v", err)
}
data := []byte("foobar")
c2 := pc.Conn2()
if _, err := c2.Write(data); err != nil {
t.Fatalf("unexpected error: %v", err)
}
dataBuf := make([]byte, len(data))
if _, err := io.ReadFull(c1, dataBuf); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !bytes.Equal(data, dataBuf) {
t.Fatalf("unexpected data received: %q. Expecting %q", dataBuf, data)
}
}
func TestPipeConnsCloseWhileReadWriteConcurrent(t *testing.T) {
t.Parallel()
concurrency := 4
ch := make(chan struct{}, concurrency)
for i := 0; i < concurrency; i++ {
go func() {
testPipeConnsCloseWhileReadWriteSerial(t)
ch <- struct{}{}
}()
}
for i := 0; i < concurrency; i++ {
select {
case <-ch:
case <-time.After(5 * time.Second):
t.Fatalf("timeout")
}
}
}
func TestPipeConnsCloseWhileReadWriteSerial(t *testing.T) {
t.Parallel()
testPipeConnsCloseWhileReadWriteSerial(t)
}
func testPipeConnsCloseWhileReadWriteSerial(t *testing.T) {
for i := 0; i < 10; i++ {
testPipeConnsCloseWhileReadWrite(t)
}
}
func testPipeConnsCloseWhileReadWrite(t *testing.T) {
pc := NewPipeConns()
c1 := pc.Conn1()
c2 := pc.Conn2()
readCh := make(chan error)
go func() {
var err error
if _, err = io.Copy(io.Discard, c1); err != nil {
if err != errConnectionClosed {
err = fmt.Errorf("unexpected error: %w", err)
} else {
err = nil
}
}
readCh <- err
}()
writeCh := make(chan error)
go func() {
var err error
for {
if _, err = c2.Write([]byte("foobar")); err != nil {
if err != errConnectionClosed {
err = fmt.Errorf("unexpected error: %w", err)
} else {
err = nil
}
break
}
}
writeCh <- err
}()
time.Sleep(10 * time.Millisecond)
if err := c1.Close(); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if err := c2.Close(); err != nil {
t.Fatalf("unexpected error: %v", err)
}
select {
case err := <-readCh:
if err != nil {
t.Fatalf("unexpected error in reader: %v", err)
}
case <-time.After(time.Second):
t.Fatalf("timeout")
}
select {
case err := <-writeCh:
if err != nil {
t.Fatalf("unexpected error in writer: %v", err)
}
case <-time.After(time.Second):
t.Fatalf("timeout")
}
}
func TestPipeConnsReadWriteSerial(t *testing.T) {
t.Parallel()
testPipeConnsReadWriteSerial(t)
}
func TestPipeConnsReadWriteConcurrent(t *testing.T) {
t.Parallel()
testConcurrency(t, 10, testPipeConnsReadWriteSerial)
}
func testPipeConnsReadWriteSerial(t *testing.T) {
pc := NewPipeConns()
testPipeConnsReadWrite(t, pc.Conn1(), pc.Conn2())
pc = NewPipeConns()
testPipeConnsReadWrite(t, pc.Conn2(), pc.Conn1())
}
func testPipeConnsReadWrite(t *testing.T, c1, c2 net.Conn) {
defer c1.Close()
defer c2.Close()
var buf [32]byte
for i := 0; i < 10; i++ {
// The first write
s1 := fmt.Sprintf("foo_%d", i)
n, err := c1.Write([]byte(s1))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if n != len(s1) {
t.Fatalf("unexpected number of bytes written: %d. Expecting %d", n, len(s1))
}
// The second write
s2 := fmt.Sprintf("bar_%d", i)
n, err = c1.Write([]byte(s2))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if n != len(s2) {
t.Fatalf("unexpected number of bytes written: %d. Expecting %d", n, len(s2))
}
// Read data written above in two writes
s := s1 + s2
n, err = c2.Read(buf[:])
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if n != len(s) {
t.Fatalf("unexpected number of bytes read: %d. Expecting %d", n, len(s))
}
if string(buf[:n]) != s {
t.Fatalf("unexpected string read: %q. Expecting %q", buf[:n], s)
}
}
}
func TestPipeConnsCloseSerial(t *testing.T) {
t.Parallel()
testPipeConnsCloseSerial(t)
}
func TestPipeConnsCloseConcurrent(t *testing.T) {
t.Parallel()
testConcurrency(t, 10, testPipeConnsCloseSerial)
}
func testPipeConnsCloseSerial(t *testing.T) {
pc := NewPipeConns()
testPipeConnsClose(t, pc.Conn1(), pc.Conn2())
pc = NewPipeConns()
testPipeConnsClose(t, pc.Conn2(), pc.Conn1())
}
func testPipeConnsClose(t *testing.T, c1, c2 net.Conn) {
if err := c1.Close(); err != nil {
t.Fatalf("unexpected error: %v", err)
}
var buf [10]byte
// attempt writing to closed conn
for i := 0; i < 10; i++ {
n, err := c1.Write(buf[:])
if err == nil {
t.Fatalf("expecting error")
}
if n != 0 {
t.Fatalf("unexpected number of bytes written: %d. Expecting 0", n)
}
}
// attempt reading from closed conn
for i := 0; i < 10; i++ {
n, err := c2.Read(buf[:])
if err == nil {
t.Fatalf("expecting error")
}
if err != io.EOF {
t.Fatalf("unexpected error: %v. Expecting %v", err, io.EOF)
}
if n != 0 {
t.Fatalf("unexpected number of bytes read: %d. Expecting 0", n)
}
}
if err := c2.Close(); err != nil {
t.Fatalf("unexpected error: %v", err)
}
// attempt closing already closed conns
for i := 0; i < 10; i++ {
if err := c1.Close(); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if err := c2.Close(); err != nil {
t.Fatalf("unexpected error: %v", err)
}
}
}
func testConcurrency(t *testing.T, concurrency int, f func(*testing.T)) {
ch := make(chan struct{}, concurrency)
for i := 0; i < concurrency; i++ {
go func() {
f(t)
ch <- struct{}{}
}()
}
for i := 0; i < concurrency; i++ {
select {
case <-ch:
case <-time.After(time.Second):
t.Fatalf("timeout")
}
}
}
func TestPipeConnsAddrDefault(t *testing.T) {
t.Parallel()
pc := NewPipeConns()
c1 := pc.Conn1()
if c1.LocalAddr() != pipeAddr(0) {
t.Fatalf("unexpected local address: %v", c1.LocalAddr())
}
if c1.RemoteAddr() != pipeAddr(0) {
t.Fatalf("unexpected remote address: %v", c1.RemoteAddr())
}
}
func TestPipeConnsAddrCustom(t *testing.T) {
t.Parallel()
pc := NewPipeConns()
addr1 := &net.TCPAddr{IP: net.IPv4(1, 2, 3, 4), Port: 1234}
addr2 := &net.TCPAddr{IP: net.IPv4(5, 6, 7, 8), Port: 5678}
addr3 := &net.TCPAddr{IP: net.IPv4(9, 10, 11, 12), Port: 9012}
addr4 := &net.TCPAddr{IP: net.IPv4(13, 14, 15, 16), Port: 3456}
pc.SetAddresses(addr1, addr2, addr3, addr4)
c1 := pc.Conn1()
if c1.LocalAddr() != addr1 {
t.Fatalf("unexpected local address: %v", c1.LocalAddr())
}
if c1.RemoteAddr() != addr2 {
t.Fatalf("unexpected remote address: %v", c1.RemoteAddr())
}
c2 := pc.Conn1()
if c2.LocalAddr() != addr1 {
t.Fatalf("unexpected local address: %v", c2.LocalAddr())
}
if c2.RemoteAddr() != addr2 {
t.Fatalf("unexpected remote address: %v", c2.RemoteAddr())
}
}
|
