github.com/iikira/iikira-go-utils@v0.0.0-20230610031953-f2cb11cde33a/utils/expires/cachemap/cachemap_test.go (about)

     1  package cachemap_test
     2  
     3  import (
     4  	"fmt"
     5  	"github.com/iikira/iikira-go-utils/utils/expires"
     6  	"github.com/iikira/iikira-go-utils/utils/expires/cachemap"
     7  	"sync"
     8  	"sync/atomic"
     9  	"testing"
    10  	"time"
    11  )
    12  
    13  func TestCacheMapDataExpires(t *testing.T) {
    14  	cm :=cachemap. CacheOpMap{}
    15  	cache := cm.LazyInitCachePoolOp("op")
    16  	cache.Store("key_1", expires.NewDataExpires("value_1", 1*time.Second))
    17  
    18  	time.Sleep(2 * time.Second)
    19  	data, ok := cache.Load("key_1")
    20  	if ok {
    21  		fmt.Printf("data: %s\n", data.Data())
    22  		// 超时仍能读取到数据, 失败
    23  		t.FailNow()
    24  	}
    25  }
    26  
    27  func TestCacheOperation(t *testing.T) {
    28  	cm := cachemap.CacheOpMap{}
    29  	data := cm.CacheOperation("op", "key_1", func() expires.DataExpires {
    30  		return expires.NewDataExpires("value_1", 1*time.Second)
    31  	})
    32  	fmt.Printf("data: %s\n", data.Data())
    33  
    34  	newData := cm.CacheOperation("op", "key_1", func() expires.DataExpires {
    35  		return expires.NewDataExpires("value_3", 1*time.Second)
    36  	})
    37  	if data != newData {
    38  		t.FailNow()
    39  	}
    40  	fmt.Printf("data: %s\n", data.Data())
    41  }
    42  
    43  func TestCacheOperation_LockKey(t *testing.T) {
    44  	cm := cachemap.CacheOpMap{}
    45  	wg := sync.WaitGroup{}
    46  	wg.Add(5000)
    47  
    48  	var (
    49  		execTimes1 int32 = 0 // 执行次数1
    50  		execTimes2 int32 = 0 // 执行次数2
    51  	)
    52  
    53  	for i := 0; i < 5000; i++ {
    54  		go func(i int) {
    55  			defer wg.Done()
    56  			cm.CacheOperation("op", "key_1", func() expires.DataExpires {
    57  				time.Sleep(50 * time.Microsecond) // 一些耗时的操作
    58  				atomic.AddInt32(&execTimes1, 1)
    59  				return expires.NewDataExpires(fmt.Sprintf("value_1: %d", i), 10*time.Second)
    60  			})
    61  
    62  			cm.CacheOperation("op", "key_2", func() expires.DataExpires {
    63  				time.Sleep(50 * time.Microsecond) // 一些耗时的操作
    64  				atomic.AddInt32(&execTimes2, 1)
    65  				return expires.NewDataExpires(fmt.Sprintf("value_2: %d", i), 10*time.Second)
    66  			})
    67  		}(i)
    68  	}
    69  	wg.Wait()
    70  
    71  	// 执行次数应为1
    72  	if execTimes1 != 1 {
    73  		fmt.Printf("execTimes1: %d\n", execTimes1)
    74  		t.FailNow()
    75  	}
    76  	if execTimes2 != 1 {
    77  		fmt.Printf("execTimes2: %d\n", execTimes2)
    78  		t.FailNow()
    79  	}
    80  }