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seaweedfs/weed/util/limited_async_pool_test.go

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package util
import (
"fmt"
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"github.com/stretchr/testify/assert"
"sort"
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"testing"
"time"
)
func TestAsyncPool(t *testing.T) {
p := NewLimitedAsyncExecutor(3)
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p.Execute(FirstFunc)
p.Execute(SecondFunc)
p.Execute(ThirdFunc)
p.Execute(FourthFunc)
p.Execute(FifthFunc)
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var sorted_results []int
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for i := 0; i < 5; i++ {
f := p.NextFuture()
x := f.Await().(int)
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println(x)
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sorted_results = append(sorted_results, x)
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}
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assert.True(t, sort.IntsAreSorted(sorted_results), "results should be sorted")
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}
func FirstFunc() any {
fmt.Println("-- Executing first function --")
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time.Sleep(70 * time.Millisecond)
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fmt.Println("-- First Function finished --")
return 1
}
func SecondFunc() any {
fmt.Println("-- Executing second function --")
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time.Sleep(50 * time.Millisecond)
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fmt.Println("-- Second Function finished --")
return 2
}
func ThirdFunc() any {
fmt.Println("-- Executing third function --")
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time.Sleep(20 * time.Millisecond)
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fmt.Println("-- Third Function finished --")
return 3
}
func FourthFunc() any {
fmt.Println("-- Executing fourth function --")
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time.Sleep(100 * time.Millisecond)
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fmt.Println("-- Fourth Function finished --")
return 4
}
func FifthFunc() any {
fmt.Println("-- Executing fifth function --")
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time.Sleep(40 * time.Millisecond)
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fmt.Println("-- Fourth fifth finished --")
return 5
}