mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-21 05:11:17 +00:00
129 lines
3 KiB
Go
129 lines
3 KiB
Go
/*
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*
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* Copyright 2018 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package proto
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import (
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"bytes"
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"sync"
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"testing"
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"google.golang.org/grpc/encoding"
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"google.golang.org/grpc/test/codec_perf"
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)
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func marshalAndUnmarshal(t *testing.T, codec encoding.Codec, expectedBody []byte) {
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p := &codec_perf.Buffer{}
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p.Body = expectedBody
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marshalledBytes, err := codec.Marshal(p)
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if err != nil {
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t.Errorf("codec.Marshal(_) returned an error")
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}
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if err := codec.Unmarshal(marshalledBytes, p); err != nil {
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t.Errorf("codec.Unmarshal(_) returned an error")
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}
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if !bytes.Equal(p.GetBody(), expectedBody) {
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t.Errorf("Unexpected body; got %v; want %v", p.GetBody(), expectedBody)
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}
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}
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func TestBasicProtoCodecMarshalAndUnmarshal(t *testing.T) {
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marshalAndUnmarshal(t, codec{}, []byte{1, 2, 3})
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}
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// Try to catch possible race conditions around use of pools
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func TestConcurrentUsage(t *testing.T) {
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const (
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numGoRoutines = 100
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numMarshUnmarsh = 1000
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)
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// small, arbitrary byte slices
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protoBodies := [][]byte{
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[]byte("one"),
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[]byte("two"),
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[]byte("three"),
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[]byte("four"),
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[]byte("five"),
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}
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var wg sync.WaitGroup
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codec := codec{}
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for i := 0; i < numGoRoutines; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for k := 0; k < numMarshUnmarsh; k++ {
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marshalAndUnmarshal(t, codec, protoBodies[k%len(protoBodies)])
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}
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}()
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}
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wg.Wait()
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}
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// TestStaggeredMarshalAndUnmarshalUsingSamePool tries to catch potential errors in which slices get
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// stomped on during reuse of a proto.Buffer.
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func TestStaggeredMarshalAndUnmarshalUsingSamePool(t *testing.T) {
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codec1 := codec{}
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codec2 := codec{}
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expectedBody1 := []byte{1, 2, 3}
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expectedBody2 := []byte{4, 5, 6}
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proto1 := codec_perf.Buffer{Body: expectedBody1}
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proto2 := codec_perf.Buffer{Body: expectedBody2}
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var m1, m2 []byte
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var err error
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if m1, err = codec1.Marshal(&proto1); err != nil {
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t.Errorf("codec.Marshal(%v) failed", proto1)
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}
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if m2, err = codec2.Marshal(&proto2); err != nil {
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t.Errorf("codec.Marshal(%v) failed", proto2)
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}
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if err = codec1.Unmarshal(m1, &proto1); err != nil {
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t.Errorf("codec.Unmarshal(%v) failed", m1)
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}
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if err = codec2.Unmarshal(m2, &proto2); err != nil {
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t.Errorf("codec.Unmarshal(%v) failed", m2)
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}
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b1 := proto1.GetBody()
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b2 := proto2.GetBody()
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for i, v := range b1 {
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if expectedBody1[i] != v {
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t.Errorf("expected %v at index %v but got %v", i, expectedBody1[i], v)
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}
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}
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for i, v := range b2 {
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if expectedBody2[i] != v {
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t.Errorf("expected %v at index %v but got %v", i, expectedBody2[i], v)
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}
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}
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}
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