github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/util/pool/default_test.go (about)

     1  // Copyright 2020 Asim Aslam
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  // Original source: github.com/micro/go-micro/v3/util/pool/default_test.go
    16  
    17  package pool
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/tickoalcantara12/micro/v3/service/network/transport"
    24  	"github.com/tickoalcantara12/micro/v3/service/network/transport/memory"
    25  )
    26  
    27  func testPool(t *testing.T, size int, ttl time.Duration) {
    28  	// mock transport
    29  	tr := memory.NewTransport()
    30  
    31  	options := Options{
    32  		TTL:       ttl,
    33  		Size:      size,
    34  		Transport: tr,
    35  	}
    36  	// zero pool
    37  	p := newPool(options)
    38  
    39  	// listen
    40  	l, err := tr.Listen(":0")
    41  	if err != nil {
    42  		t.Fatal(err)
    43  	}
    44  	defer l.Close()
    45  
    46  	// accept loop
    47  	go func() {
    48  		for {
    49  			if err := l.Accept(func(s transport.Socket) {
    50  				for {
    51  					var msg transport.Message
    52  					if err := s.Recv(&msg); err != nil {
    53  						return
    54  					}
    55  					if err := s.Send(&msg); err != nil {
    56  						return
    57  					}
    58  				}
    59  			}); err != nil {
    60  				return
    61  			}
    62  		}
    63  	}()
    64  
    65  	for i := 0; i < 10; i++ {
    66  		// get a conn
    67  		c, err := p.Get(l.Addr())
    68  		if err != nil {
    69  			t.Fatal(err)
    70  		}
    71  
    72  		msg := &transport.Message{
    73  			Body: []byte(`hello world`),
    74  		}
    75  
    76  		if err := c.Send(msg); err != nil {
    77  			t.Fatal(err)
    78  		}
    79  
    80  		var rcv transport.Message
    81  
    82  		if err := c.Recv(&rcv); err != nil {
    83  			t.Fatal(err)
    84  		}
    85  
    86  		if string(rcv.Body) != string(msg.Body) {
    87  			t.Fatalf("got %v, expected %v", rcv.Body, msg.Body)
    88  		}
    89  
    90  		// release the conn
    91  		p.Release(c, nil)
    92  
    93  		p.Lock()
    94  		if i := len(p.conns[l.Addr()]); i > size {
    95  			p.Unlock()
    96  			t.Fatalf("pool size %d is greater than expected %d", i, size)
    97  		}
    98  		p.Unlock()
    99  	}
   100  }
   101  
   102  func TestClientPool(t *testing.T) {
   103  	testPool(t, 0, time.Minute)
   104  	testPool(t, 2, time.Minute)
   105  }