github.com/annwntech/go-micro/v2@v2.9.5/util/pool/default_test.go (about)

     1  package pool
     2  
     3  import (
     4  	"testing"
     5  	"time"
     6  
     7  	"github.com/annwntech/go-micro/v2/transport"
     8  	"github.com/annwntech/go-micro/v2/transport/memory"
     9  )
    10  
    11  func testPool(t *testing.T, size int, ttl time.Duration) {
    12  	// mock transport
    13  	tr := memory.NewTransport()
    14  
    15  	options := Options{
    16  		TTL:       ttl,
    17  		Size:      size,
    18  		Transport: tr,
    19  	}
    20  	// zero pool
    21  	p := newPool(options)
    22  
    23  	// listen
    24  	l, err := tr.Listen(":0")
    25  	if err != nil {
    26  		t.Fatal(err)
    27  	}
    28  	defer l.Close()
    29  
    30  	// accept loop
    31  	go func() {
    32  		for {
    33  			if err := l.Accept(func(s transport.Socket) {
    34  				for {
    35  					var msg transport.Message
    36  					if err := s.Recv(&msg); err != nil {
    37  						return
    38  					}
    39  					if err := s.Send(&msg); err != nil {
    40  						return
    41  					}
    42  				}
    43  			}); err != nil {
    44  				return
    45  			}
    46  		}
    47  	}()
    48  
    49  	for i := 0; i < 10; i++ {
    50  		// get a conn
    51  		c, err := p.Get(l.Addr())
    52  		if err != nil {
    53  			t.Fatal(err)
    54  		}
    55  
    56  		msg := &transport.Message{
    57  			Body: []byte(`hello world`),
    58  		}
    59  
    60  		if err := c.Send(msg); err != nil {
    61  			t.Fatal(err)
    62  		}
    63  
    64  		var rcv transport.Message
    65  
    66  		if err := c.Recv(&rcv); err != nil {
    67  			t.Fatal(err)
    68  		}
    69  
    70  		if string(rcv.Body) != string(msg.Body) {
    71  			t.Fatalf("got %v, expected %v", rcv.Body, msg.Body)
    72  		}
    73  
    74  		// release the conn
    75  		p.Release(c, nil)
    76  
    77  		p.Lock()
    78  		if i := len(p.conns[l.Addr()]); i > size {
    79  			p.Unlock()
    80  			t.Fatalf("pool size %d is greater than expected %d", i, size)
    81  		}
    82  		p.Unlock()
    83  	}
    84  }
    85  
    86  func TestClientPool(t *testing.T) {
    87  	testPool(t, 0, time.Minute)
    88  	testPool(t, 2, time.Minute)
    89  }