Xray-core/transport/pipe/pipe_test.go

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2020-11-25 11:01:53 +00:00
package pipe_test
import (
"errors"
"io"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"golang.org/x/sync/errgroup"
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"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
. "github.com/xtls/xray-core/transport/pipe"
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)
func TestPipeReadWrite(t *testing.T) {
pReader, pWriter := New(WithSizeLimit(1024))
b := buf.New()
b.WriteString("abcd")
common.Must(pWriter.WriteMultiBuffer(buf.MultiBuffer{b}))
b2 := buf.New()
b2.WriteString("efg")
common.Must(pWriter.WriteMultiBuffer(buf.MultiBuffer{b2}))
rb, err := pReader.ReadMultiBuffer()
common.Must(err)
if r := cmp.Diff(rb.String(), "abcdefg"); r != "" {
t.Error(r)
}
}
func TestPipeInterrupt(t *testing.T) {
pReader, pWriter := New(WithSizeLimit(1024))
payload := []byte{'a', 'b', 'c', 'd'}
b := buf.New()
b.Write(payload)
common.Must(pWriter.WriteMultiBuffer(buf.MultiBuffer{b}))
pWriter.Interrupt()
rb, err := pReader.ReadMultiBuffer()
if err != io.ErrClosedPipe {
t.Fatal("expect io.ErrClosePipe, but got ", err)
}
if !rb.IsEmpty() {
t.Fatal("expect empty buffer, but got ", rb.Len())
}
}
func TestPipeClose(t *testing.T) {
pReader, pWriter := New(WithSizeLimit(1024))
payload := []byte{'a', 'b', 'c', 'd'}
b := buf.New()
common.Must2(b.Write(payload))
common.Must(pWriter.WriteMultiBuffer(buf.MultiBuffer{b}))
common.Must(pWriter.Close())
rb, err := pReader.ReadMultiBuffer()
common.Must(err)
if rb.String() != string(payload) {
t.Fatal("expect content ", string(payload), " but actually ", rb.String())
}
rb, err = pReader.ReadMultiBuffer()
if err != io.EOF {
t.Fatal("expected EOF, but got ", err)
}
if !rb.IsEmpty() {
t.Fatal("expect empty buffer, but got ", rb.String())
}
}
func TestPipeLimitZero(t *testing.T) {
pReader, pWriter := New(WithSizeLimit(0))
bb := buf.New()
common.Must2(bb.Write([]byte{'a', 'b'}))
common.Must(pWriter.WriteMultiBuffer(buf.MultiBuffer{bb}))
var errg errgroup.Group
errg.Go(func() error {
b := buf.New()
b.Write([]byte{'c', 'd'})
return pWriter.WriteMultiBuffer(buf.MultiBuffer{b})
})
errg.Go(func() error {
time.Sleep(time.Second)
var container buf.MultiBufferContainer
if err := buf.Copy(pReader, &container); err != nil {
return err
}
if r := cmp.Diff(container.String(), "abcd"); r != "" {
return errors.New(r)
}
return nil
})
errg.Go(func() error {
time.Sleep(time.Second * 2)
return pWriter.Close()
})
if err := errg.Wait(); err != nil {
t.Error(err)
}
}
func TestPipeWriteMultiThread(t *testing.T) {
pReader, pWriter := New(WithSizeLimit(0))
var errg errgroup.Group
for i := 0; i < 10; i++ {
errg.Go(func() error {
b := buf.New()
b.WriteString("abcd")
return pWriter.WriteMultiBuffer(buf.MultiBuffer{b})
})
}
time.Sleep(time.Millisecond * 100)
pWriter.Close()
errg.Wait()
b, err := pReader.ReadMultiBuffer()
common.Must(err)
if r := cmp.Diff(b[0].Bytes(), []byte{'a', 'b', 'c', 'd'}); r != "" {
t.Error(r)
}
}
func TestInterfaces(t *testing.T) {
_ = (buf.Reader)(new(Reader))
_ = (buf.TimeoutReader)(new(Reader))
_ = (common.Interruptible)(new(Reader))
_ = (common.Interruptible)(new(Writer))
_ = (common.Closable)(new(Writer))
}
func BenchmarkPipeReadWrite(b *testing.B) {
reader, writer := New(WithoutSizeLimit())
a := buf.New()
a.Extend(buf.Size)
c := buf.MultiBuffer{a}
b.ResetTimer()
for i := 0; i < b.N; i++ {
common.Must(writer.WriteMultiBuffer(c))
d, err := reader.ReadMultiBuffer()
common.Must(err)
c = d
}
}