mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-27 16:50:23 +00:00
129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
/*
|
|
*
|
|
* Copyright 2014 gRPC authors.
|
|
*
|
|
* 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 grpc
|
|
|
|
import (
|
|
"bytes"
|
|
"sync"
|
|
"testing"
|
|
|
|
"google.golang.org/grpc/test/codec_perf"
|
|
)
|
|
|
|
func marshalAndUnmarshal(t *testing.T, protoCodec Codec, expectedBody []byte) {
|
|
p := &codec_perf.Buffer{}
|
|
p.Body = expectedBody
|
|
|
|
marshalledBytes, err := protoCodec.Marshal(p)
|
|
if err != nil {
|
|
t.Errorf("protoCodec.Marshal(_) returned an error")
|
|
}
|
|
|
|
if err := protoCodec.Unmarshal(marshalledBytes, p); err != nil {
|
|
t.Errorf("protoCodec.Unmarshal(_) returned an error")
|
|
}
|
|
|
|
if bytes.Compare(p.GetBody(), expectedBody) != 0 {
|
|
t.Errorf("Unexpected body; got %v; want %v", p.GetBody(), expectedBody)
|
|
}
|
|
}
|
|
|
|
func TestBasicProtoCodecMarshalAndUnmarshal(t *testing.T) {
|
|
marshalAndUnmarshal(t, protoCodec{}, []byte{1, 2, 3})
|
|
}
|
|
|
|
// Try to catch possible race conditions around use of pools
|
|
func TestConcurrentUsage(t *testing.T) {
|
|
const (
|
|
numGoRoutines = 100
|
|
numMarshUnmarsh = 1000
|
|
)
|
|
|
|
// small, arbitrary byte slices
|
|
protoBodies := [][]byte{
|
|
[]byte("one"),
|
|
[]byte("two"),
|
|
[]byte("three"),
|
|
[]byte("four"),
|
|
[]byte("five"),
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
codec := protoCodec{}
|
|
|
|
for i := 0; i < numGoRoutines; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
for k := 0; k < numMarshUnmarsh; k++ {
|
|
marshalAndUnmarshal(t, codec, protoBodies[k%len(protoBodies)])
|
|
}
|
|
}()
|
|
}
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
// TestStaggeredMarshalAndUnmarshalUsingSamePool tries to catch potential errors in which slices get
|
|
// stomped on during reuse of a proto.Buffer.
|
|
func TestStaggeredMarshalAndUnmarshalUsingSamePool(t *testing.T) {
|
|
codec1 := protoCodec{}
|
|
codec2 := protoCodec{}
|
|
|
|
expectedBody1 := []byte{1, 2, 3}
|
|
expectedBody2 := []byte{4, 5, 6}
|
|
|
|
proto1 := codec_perf.Buffer{Body: expectedBody1}
|
|
proto2 := codec_perf.Buffer{Body: expectedBody2}
|
|
|
|
var m1, m2 []byte
|
|
var err error
|
|
|
|
if m1, err = codec1.Marshal(&proto1); err != nil {
|
|
t.Errorf("protoCodec.Marshal(%v) failed", proto1)
|
|
}
|
|
|
|
if m2, err = codec2.Marshal(&proto2); err != nil {
|
|
t.Errorf("protoCodec.Marshal(%v) failed", proto2)
|
|
}
|
|
|
|
if err = codec1.Unmarshal(m1, &proto1); err != nil {
|
|
t.Errorf("protoCodec.Unmarshal(%v) failed", m1)
|
|
}
|
|
|
|
if err = codec2.Unmarshal(m2, &proto2); err != nil {
|
|
t.Errorf("protoCodec.Unmarshal(%v) failed", m2)
|
|
}
|
|
|
|
b1 := proto1.GetBody()
|
|
b2 := proto2.GetBody()
|
|
|
|
for i, v := range b1 {
|
|
if expectedBody1[i] != v {
|
|
t.Errorf("expected %v at index %v but got %v", i, expectedBody1[i], v)
|
|
}
|
|
}
|
|
|
|
for i, v := range b2 {
|
|
if expectedBody2[i] != v {
|
|
t.Errorf("expected %v at index %v but got %v", i, expectedBody2[i], v)
|
|
}
|
|
}
|
|
}
|