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157 lines
4.0 KiB
157 lines
4.0 KiB
// Protocol Buffers for Go with Gadgets
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//
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// Copyright (c) 2013, The GoGo Authors. All rights reserved.
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// http://github.com/gogo/protobuf
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package protoio_test
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"io"
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"math/rand"
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"testing"
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"time"
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"github.com/gogo/protobuf/proto"
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"github.com/gogo/protobuf/test"
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"github.com/tendermint/tendermint/libs/protoio"
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)
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func iotest(writer protoio.WriteCloser, reader protoio.ReadCloser) error {
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varint := make([]byte, binary.MaxVarintLen64)
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size := 1000
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msgs := make([]*test.NinOptNative, size)
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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for i := range msgs {
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msgs[i] = test.NewPopulatedNinOptNative(r, true)
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//issue 31
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if i == 5 {
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msgs[i] = &test.NinOptNative{}
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}
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//issue 31
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if i == 999 {
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msgs[i] = &test.NinOptNative{}
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}
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// FIXME Check size
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bz, err := proto.Marshal(msgs[i])
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if err != nil {
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return err
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}
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visize := binary.PutUvarint(varint, uint64(len(bz)))
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n, err := writer.WriteMsg(msgs[i])
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if err != nil {
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return err
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}
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if n != len(bz)+visize {
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return fmt.Errorf("WriteMsg() wrote %v bytes, expected %v", n, len(bz)+visize) // nolint
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}
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}
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if err := writer.Close(); err != nil {
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return err
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}
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i := 0
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for {
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msg := &test.NinOptNative{}
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if err := reader.ReadMsg(msg); err != nil {
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if err == io.EOF {
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break
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}
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return err
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}
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if err := msg.VerboseEqual(msgs[i]); err != nil {
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return err
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}
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i++
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}
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if i != size {
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panic("not enough messages read")
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}
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if err := reader.Close(); err != nil {
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return err
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}
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return nil
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}
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type buffer struct {
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*bytes.Buffer
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closed bool
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}
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func (b *buffer) Close() error {
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b.closed = true
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return nil
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}
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func newBuffer() *buffer {
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return &buffer{bytes.NewBuffer(nil), false}
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}
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func TestVarintNormal(t *testing.T) {
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buf := newBuffer()
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writer := protoio.NewDelimitedWriter(buf)
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reader := protoio.NewDelimitedReader(buf, 1024*1024)
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if err := iotest(writer, reader); err != nil {
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t.Error(err)
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}
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if !buf.closed {
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t.Fatalf("did not close buffer")
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}
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}
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func TestVarintNoClose(t *testing.T) {
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buf := bytes.NewBuffer(nil)
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writer := protoio.NewDelimitedWriter(buf)
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reader := protoio.NewDelimitedReader(buf, 1024*1024)
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if err := iotest(writer, reader); err != nil {
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t.Error(err)
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}
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}
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//issue 32
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func TestVarintMaxSize(t *testing.T) {
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buf := newBuffer()
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writer := protoio.NewDelimitedWriter(buf)
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reader := protoio.NewDelimitedReader(buf, 20)
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if err := iotest(writer, reader); err == nil {
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t.Error(err)
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} else {
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t.Logf("%s", err)
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}
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}
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func TestVarintError(t *testing.T) {
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buf := newBuffer()
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buf.Write([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f})
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reader := protoio.NewDelimitedReader(buf, 1024*1024)
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msg := &test.NinOptNative{}
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err := reader.ReadMsg(msg)
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if err == nil {
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t.Fatalf("Expected error")
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}
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}
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