97 lines
1.5 KiB
Go
97 lines
1.5 KiB
Go
package pool
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import (
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"context"
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"runtime"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func lg() Factory {
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initial := -1
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return func(context.Context) (interface{}, error) {
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initial++
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return initial, nil
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}
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}
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func TestPool_Basic(t *testing.T) {
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g := lg()
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pool := New(g)
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elm, _ := pool.Get()
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assert.Equal(t, 0, elm.(int))
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pool.Put(elm)
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elm, _ = pool.Get()
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assert.Equal(t, 0, elm.(int))
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elm, _ = pool.Get()
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assert.Equal(t, 1, elm.(int))
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}
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func TestPool_MaxSize(t *testing.T) {
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g := lg()
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size := 5
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pool := New(g, WithSize(size))
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items := []interface{}{}
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for i := 0; i < size; i++ {
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item, _ := pool.Get()
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items = append(items, item)
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}
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extra, _ := pool.Get()
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assert.Equal(t, size, extra.(int))
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for _, item := range items {
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pool.Put(item)
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}
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pool.Put(extra)
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for _, item := range items {
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elm, _ := pool.Get()
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assert.Equal(t, item.(int), elm.(int))
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}
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}
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func TestPool_MaxAge(t *testing.T) {
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g := lg()
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pool := New(g, WithAge(20))
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elm, _ := pool.Get()
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pool.Put(elm)
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elm, _ = pool.Get()
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assert.Equal(t, 0, elm.(int))
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pool.Put(elm)
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time.Sleep(time.Millisecond * 22)
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elm, _ = pool.Get()
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assert.Equal(t, 1, elm.(int))
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}
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func TestPool_AutoGC(t *testing.T) {
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g := lg()
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sign := make(chan int)
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pool := New(g, WithEvict(func(item interface{}) {
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sign <- item.(int)
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}))
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elm, _ := pool.Get()
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assert.Equal(t, 0, elm.(int))
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pool.Put(2)
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pool = nil
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runtime.GC()
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select {
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case num := <-sign:
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assert.Equal(t, 2, num)
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case <-time.After(time.Second * 3):
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assert.Fail(t, "something wrong")
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}
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}
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