forked from mirror/ants
307 lines
8.2 KiB
Go
307 lines
8.2 KiB
Go
// MIT License
|
|
|
|
// Copyright (c) 2018 Andy Pan
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
package ants_test
|
|
|
|
import (
|
|
"runtime"
|
|
"sync"
|
|
"sync/atomic"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/panjf2000/ants"
|
|
)
|
|
|
|
const (
|
|
_ = 1 << (10 * iota)
|
|
KiB // 1024
|
|
MiB // 1048576
|
|
GiB // 1073741824
|
|
TiB // 1099511627776 (超过了int32的范围)
|
|
PiB // 1125899906842624
|
|
EiB // 1152921504606846976
|
|
ZiB // 1180591620717411303424 (超过了int64的范围)
|
|
YiB // 1208925819614629174706176
|
|
)
|
|
|
|
const (
|
|
Param = 100
|
|
AntsSize = 1000
|
|
TestSize = 10000
|
|
n = 100000
|
|
)
|
|
|
|
var curMem uint64
|
|
|
|
// TestAntsPoolWaitToGetWorker is used to test waiting to get worker.
|
|
func TestAntsPoolWaitToGetWorker(t *testing.T) {
|
|
var wg sync.WaitGroup
|
|
p, _ := ants.NewPool(AntsSize)
|
|
defer p.Release()
|
|
|
|
for i := 0; i < n; i++ {
|
|
wg.Add(1)
|
|
p.Submit(func() {
|
|
demoPoolFunc(Param)
|
|
wg.Done()
|
|
})
|
|
}
|
|
wg.Wait()
|
|
t.Logf("pool, running workers number:%d", p.Running())
|
|
mem := runtime.MemStats{}
|
|
runtime.ReadMemStats(&mem)
|
|
curMem = mem.TotalAlloc/MiB - curMem
|
|
t.Logf("memory usage:%d MB", curMem)
|
|
}
|
|
|
|
// TestAntsPoolWithFuncWaitToGetWorker is used to test waiting to get worker.
|
|
func TestAntsPoolWithFuncWaitToGetWorker(t *testing.T) {
|
|
var wg sync.WaitGroup
|
|
p, _ := ants.NewPoolWithFunc(AntsSize, func(i interface{}) {
|
|
demoPoolFunc(i)
|
|
wg.Done()
|
|
})
|
|
defer p.Release()
|
|
|
|
for i := 0; i < n; i++ {
|
|
wg.Add(1)
|
|
p.Invoke(Param)
|
|
}
|
|
wg.Wait()
|
|
t.Logf("pool with func, running workers number:%d", p.Running())
|
|
mem := runtime.MemStats{}
|
|
runtime.ReadMemStats(&mem)
|
|
curMem = mem.TotalAlloc/MiB - curMem
|
|
t.Logf("memory usage:%d MB", curMem)
|
|
}
|
|
|
|
// TestAntsPoolGetWorkerFromCache is used to test getting worker from sync.Pool.
|
|
// func TestAntsPoolGetWorkerFromCache(t *testing.T) {
|
|
// p, _ := ants.NewPool(TestSize)
|
|
// defer p.Release()
|
|
|
|
// for i := 0; i < AntsSize; i++ {
|
|
// p.Submit(demoFunc)
|
|
// }
|
|
// time.Sleep(2 * ants.DefaultCleanIntervalTime * time.Second)
|
|
// p.Submit(demoFunc)
|
|
// t.Logf("pool, running workers number:%d", p.Running())
|
|
// mem := runtime.MemStats{}
|
|
// runtime.ReadMemStats(&mem)
|
|
// curMem = mem.TotalAlloc/MiB - curMem
|
|
// t.Logf("memory usage:%d MB", curMem)
|
|
// }
|
|
|
|
// TestAntsPoolWithFuncGetWorkerFromCache is used to test getting worker from sync.Pool.
|
|
// func TestAntsPoolWithFuncGetWorkerFromCache(t *testing.T) {
|
|
// dur := 10
|
|
// p, _ := ants.NewPoolWithFunc(TestSize, demoPoolFunc)
|
|
// defer p.Release()
|
|
|
|
// for i := 0; i < AntsSize; i++ {
|
|
// p.Invoke(dur)
|
|
// }
|
|
// time.Sleep(2 * ants.DefaultCleanIntervalTime * time.Second)
|
|
// p.Invoke(dur)
|
|
// t.Logf("pool with func, running workers number:%d", p.Running())
|
|
// mem := runtime.MemStats{}
|
|
// runtime.ReadMemStats(&mem)
|
|
// curMem = mem.TotalAlloc/MiB - curMem
|
|
// t.Logf("memory usage:%d MB", curMem)
|
|
// }
|
|
|
|
//-------------------------------------------------------------------------------------------
|
|
// Contrast between goroutines without a pool and goroutines with ants pool.
|
|
//-------------------------------------------------------------------------------------------
|
|
func TestNoPool(t *testing.T) {
|
|
var wg sync.WaitGroup
|
|
for i := 0; i < n; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
demoFunc()
|
|
wg.Done()
|
|
}()
|
|
}
|
|
|
|
wg.Wait()
|
|
mem := runtime.MemStats{}
|
|
runtime.ReadMemStats(&mem)
|
|
curMem = mem.TotalAlloc/MiB - curMem
|
|
t.Logf("memory usage:%d MB", curMem)
|
|
}
|
|
|
|
func TestAntsPool(t *testing.T) {
|
|
defer ants.Release()
|
|
var wg sync.WaitGroup
|
|
for i := 0; i < n; i++ {
|
|
wg.Add(1)
|
|
ants.Submit(func() {
|
|
demoFunc()
|
|
wg.Done()
|
|
})
|
|
}
|
|
wg.Wait()
|
|
|
|
t.Logf("pool, capacity:%d", ants.Cap())
|
|
t.Logf("pool, running workers number:%d", ants.Running())
|
|
t.Logf("pool, free workers number:%d", ants.Free())
|
|
|
|
mem := runtime.MemStats{}
|
|
runtime.ReadMemStats(&mem)
|
|
curMem = mem.TotalAlloc/MiB - curMem
|
|
t.Logf("memory usage:%d MB", curMem)
|
|
}
|
|
|
|
//-------------------------------------------------------------------------------------------
|
|
//-------------------------------------------------------------------------------------------
|
|
|
|
func TestPanicHandler(t *testing.T) {
|
|
p0, err := ants.NewPool(10)
|
|
if err != nil {
|
|
t.Fatalf("create new pool failed: %s", err.Error())
|
|
}
|
|
defer p0.Release()
|
|
var panicCounter int64
|
|
var wg sync.WaitGroup
|
|
p0.PanicHandler = func(p interface{}) {
|
|
defer wg.Done()
|
|
atomic.AddInt64(&panicCounter, 1)
|
|
t.Logf("catch panic with PanicHandler: %v", p)
|
|
}
|
|
wg.Add(1)
|
|
p0.Submit(func() {
|
|
panic("Oops!")
|
|
})
|
|
wg.Wait()
|
|
c := atomic.LoadInt64(&panicCounter)
|
|
if c != 1 {
|
|
t.Errorf("panic handler didn't work, panicCounter: %d", c)
|
|
}
|
|
if p0.Running() != 0 {
|
|
t.Errorf("pool should be empty after panic")
|
|
}
|
|
|
|
p1, err := ants.NewPoolWithFunc(10, func(p interface{}) {
|
|
panic(p)
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("create new pool with func failed: %s", err.Error())
|
|
}
|
|
defer p1.Release()
|
|
p1.PanicHandler = func(p interface{}) {
|
|
defer wg.Done()
|
|
atomic.AddInt64(&panicCounter, 1)
|
|
}
|
|
wg.Add(1)
|
|
p1.Invoke("Oops!")
|
|
wg.Wait()
|
|
c = atomic.LoadInt64(&panicCounter)
|
|
if c != 2 {
|
|
t.Errorf("panic handler didn't work, panicCounter: %d", c)
|
|
}
|
|
if p1.Running() != 0 {
|
|
t.Errorf("pool should be empty after panic")
|
|
}
|
|
}
|
|
|
|
func TestPoolPanicWithoutHandler(t *testing.T) {
|
|
p0, err := ants.NewPool(10)
|
|
if err != nil {
|
|
t.Fatalf("create new pool failed: %s", err.Error())
|
|
}
|
|
defer p0.Release()
|
|
p0.Submit(func() {
|
|
panic("Oops!")
|
|
})
|
|
|
|
p1, err := ants.NewPoolWithFunc(10, func(p interface{}) {
|
|
panic(p)
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("create new pool with func failed: %s", err.Error())
|
|
}
|
|
defer p1.Release()
|
|
p1.Invoke("Oops!")
|
|
}
|
|
|
|
func TestPurge(t *testing.T) {
|
|
p, err := ants.NewPool(10)
|
|
defer p.Release()
|
|
if err != nil {
|
|
t.Fatalf("create TimingPool failed: %s", err.Error())
|
|
}
|
|
p.Submit(demoFunc)
|
|
time.Sleep(3 * ants.DefaultCleanIntervalTime * time.Second)
|
|
if p.Running() != 0 {
|
|
t.Error("all p should be purged")
|
|
}
|
|
p1, err := ants.NewPoolWithFunc(10, demoPoolFunc)
|
|
defer p1.Release()
|
|
if err != nil {
|
|
t.Fatalf("create TimingPoolWithFunc failed: %s", err.Error())
|
|
}
|
|
p1.Invoke(1)
|
|
time.Sleep(3 * ants.DefaultCleanIntervalTime * time.Second)
|
|
if p.Running() != 0 {
|
|
t.Error("all p should be purged")
|
|
}
|
|
}
|
|
|
|
func TestRestCodeCoverage(t *testing.T) {
|
|
_, err := ants.NewTimingPool(-1, -1)
|
|
t.Log(err)
|
|
_, err = ants.NewTimingPool(1, -1)
|
|
t.Log(err)
|
|
_, err = ants.NewTimingPoolWithFunc(-1, -1, demoPoolFunc)
|
|
t.Log(err)
|
|
_, err = ants.NewTimingPoolWithFunc(1, -1, demoPoolFunc)
|
|
t.Log(err)
|
|
|
|
p0, _ := ants.NewPool(TestSize)
|
|
defer p0.Submit(demoFunc)
|
|
defer p0.Release()
|
|
for i := 0; i < n; i++ {
|
|
p0.Submit(demoFunc)
|
|
}
|
|
t.Logf("pool, capacity:%d", p0.Cap())
|
|
t.Logf("pool, running workers number:%d", p0.Running())
|
|
t.Logf("pool, free workers number:%d", p0.Free())
|
|
p0.Tune(TestSize)
|
|
p0.Tune(TestSize / 10)
|
|
t.Logf("pool, after tuning capacity, capacity:%d, running:%d", p0.Cap(), p0.Running())
|
|
|
|
p, _ := ants.NewPoolWithFunc(TestSize, demoPoolFunc)
|
|
defer p.Invoke(Param)
|
|
defer p.Release()
|
|
for i := 0; i < n; i++ {
|
|
p.Invoke(Param)
|
|
}
|
|
time.Sleep(ants.DefaultCleanIntervalTime * time.Second)
|
|
t.Logf("pool with func, capacity:%d", p.Cap())
|
|
t.Logf("pool with func, running workers number:%d", p.Running())
|
|
t.Logf("pool with func, free workers number:%d", p.Free())
|
|
p.Tune(TestSize)
|
|
p.Tune(TestSize / 10)
|
|
t.Logf("pool with func, after tuning capacity, capacity:%d, running:%d", p.Cap(), p.Running())
|
|
}
|