goProject/.svn/pristine/d9/d943a8e9bea8c3724f745fe7d08fa08a881f29fe.svn-base

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2025-01-06 16:21:36 +08:00
package rank_util
import (
"fmt"
"goutil/mathUtil"
"math"
"strconv"
"sync"
"testing"
"time"
)
func Test_Rank(t *testing.T) {
r := NewRankUtil(20, compar)
dc := make(map[string]*rmodel)
for i := 1; i < 1000; i++ {
tk := strconv.Itoa(i)
m := &rmodel{k: tk, Fap: 0}
dc[m.k] = m
}
goCount := 10
srand := mathUtil.GetRand()
var wg sync.WaitGroup
wg.Add(goCount)
for i := 0; i < goCount; i++ {
go func() {
for i := 1; i < 1000; i++ {
tk := strconv.Itoa(i)
newf := srand.GetRandRangeInt(1, 1000)
m, _ := dc[tk]
isUp := m.Fap < newf
m.Fap = newf
r.Refresh(tk, m, isUp)
}
}()
time.Sleep(time.Second)
wg.Done()
}
wg.Wait()
items := r.GetAll()
if len(items) != r.maxCount {
t.Error("排行榜长度不为", r.maxCount)
}
//测试删除
r.Delete(r.GetItemForRank(1).key)
items = r.GetAll()
if len(items) != r.maxCount-1 {
t.Error("删除后的排行榜长度不为", r.maxCount-1)
}
//校验标准: 1.key不可以重复 2.fap越来越小
beforeFap := math.MaxInt
tempKeyDict := make(map[string]bool)
isPrintAll := false
for _, item := range items {
m := item.obj.(*rmodel)
if m.k != item.key {
t.Errorf("错误item.key!=m.k item.key:%s m.k:%s", item.key, m.k)
isPrintAll = true
}
// 校验1
if _, exist := tempKeyDict[item.key]; exist {
t.Errorf("错误item.key重复 item.key:%s m.k:%s", item.key, m.k)
isPrintAll = true
} else {
tempKeyDict[item.key] = false
}
// 校验2
if m.Fap > beforeFap {
t.Errorf("错误m.Fap大于前面的排行 beforeFap:%v curFap:%v", beforeFap, m.Fap)
isPrintAll = true
}
}
if isPrintAll {
for _, item := range items {
m := item.obj.(*rmodel)
t.Log(m)
}
}
}
func Test_Rank2(t *testing.T) {
r := NewRankUtil(5, compar)
r.Refresh("1", &rmodel{k: "1", Fap: 1}, true)
r.Refresh("2", &rmodel{k: "2", Fap: 2}, true)
r.Refresh("3", &rmodel{k: "3", Fap: 3}, true)
r.Refresh("4", &rmodel{k: "4", Fap: 4}, true)
r.Refresh("5", &rmodel{k: "5", Fap: 5}, true)
//把1挤出去
ischange, dm := r.Refresh("6", &rmodel{k: "6", Fap: 6}, true)
if ischange == false {
t.Errorf("把1挤出去错误排行榜未变动")
return
}
if dm.key != "1" {
t.Errorf("把1挤出去错误挤出的不是1")
return
}
t.Log("被挤出的对象信息-> ", dm)
//打印所有
items := r.GetAll()
for _, item := range items {
t.Log(item)
}
}
type rmodel struct {
k string
Fap int
}
func (m *rmodel) String() string {
return fmt.Sprintf("m.k:%s fap:%v", m.k, m.Fap)
}
// compar
// @description: 判断对象大小,返回含义 -1:a<b 0:a=b 1:a>b
// parameter:
//
// @a:对象a
// @b:对象b
//
// return:
//
// @int:
func compar(a, b interface{}) int {
af := a.(*rmodel).Fap
bf := b.(*rmodel).Fap
if af > bf {
return 1
} else if af == bf {
return 0
} else {
return -1
}
}