seaweedfs/weed/util/limited_async_pool_test.go
2022-09-25 13:45:55 -07:00

59 lines
1.2 KiB
Go

package util
import (
"fmt"
"testing"
"time"
)
func TestAsyncPool(t *testing.T) {
p := NewLimitedAsyncExecutor(3)
var results []Future
results = append(results, p.Execute(FirstFunc))
results = append(results, p.Execute(SecondFunc))
results = append(results, p.Execute(ThirdFunc))
results = append(results, p.Execute(FourthFunc))
results = append(results, p.Execute(FifthFunc))
for _, r := range results {
x := r.Await().(int)
println(x)
}
}
func FirstFunc() any {
fmt.Println("-- Executing first function --")
time.Sleep(7 * time.Second)
fmt.Println("-- First Function finished --")
return 1
}
func SecondFunc() any {
fmt.Println("-- Executing second function --")
time.Sleep(5 * time.Second)
fmt.Println("-- Second Function finished --")
return 2
}
func ThirdFunc() any {
fmt.Println("-- Executing third function --")
time.Sleep(2 * time.Second)
fmt.Println("-- Third Function finished --")
return 3
}
func FourthFunc() any {
fmt.Println("-- Executing fourth function --")
time.Sleep(10 * time.Second)
fmt.Println("-- Fourth Function finished --")
return 4
}
func FifthFunc() any {
fmt.Println("-- Executing fifth function --")
time.Sleep(4 * time.Second)
fmt.Println("-- Fourth fifth finished --")
return 5
}