go.temporal.io/server@v1.23.0/common/checksum/crc_test.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package checksum
    26  
    27  import (
    28  	"sync"
    29  	"sync/atomic"
    30  	"testing"
    31  	"time"
    32  
    33  	"github.com/pborman/uuid"
    34  	"github.com/stretchr/testify/assert"
    35  	commonpb "go.temporal.io/api/common/v1"
    36  	workflowpb "go.temporal.io/api/workflow/v1"
    37  	"google.golang.org/protobuf/types/known/timestamppb"
    38  
    39  	"go.temporal.io/server/common"
    40  )
    41  
    42  func TestCRC32OverProto(t *testing.T) {
    43  	// note: do not use a struct with map since
    44  	// iteration order is not guaranteed in Go and
    45  	// so, each call to thrift encode will result in
    46  	// different set of serialized bytes
    47  	obj := &workflowpb.WorkflowExecutionInfo{
    48  		Execution: &commonpb.WorkflowExecution{
    49  			WorkflowId: uuid.New(),
    50  			RunId:      uuid.New(),
    51  		},
    52  		StartTime:     timestamppb.New(time.Now().UTC()),
    53  		HistoryLength: 550,
    54  	}
    55  
    56  	parallism := 10
    57  	loopCount := 100
    58  	successCount := int64(0)
    59  
    60  	startC := make(chan struct{})
    61  	doneWG := sync.WaitGroup{}
    62  	doneWG.Add(parallism)
    63  
    64  	for i := 0; i < parallism; i++ {
    65  		go func() {
    66  			defer doneWG.Done()
    67  			<-startC
    68  			for count := 0; count < loopCount; count++ {
    69  				csum, err := GenerateCRC32(obj, 1)
    70  				if err != nil {
    71  					return
    72  				}
    73  				if err := Verify(obj, csum); err != nil {
    74  					return
    75  				}
    76  				atomic.AddInt64(&successCount, 1)
    77  			}
    78  		}()
    79  	}
    80  
    81  	close(startC)
    82  	success := common.AwaitWaitGroup(&doneWG, time.Second)
    83  	assert.True(t, success, "timed out waiting for goroutines to finish")
    84  	assert.Equal(t, int64(parallism*loopCount), successCount)
    85  }