github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/network/transport/memory/memory_test.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License");
     2  // you may not use this file except in compliance with the License.
     3  // You may obtain a copy of the License at
     4  //
     5  //     https://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS,
     9  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    10  // See the License for the specific language governing permissions and
    11  // limitations under the License.
    12  //
    13  // Original source: github.com/micro/go-micro/v3/network/transport/memory/memory_test.go
    14  
    15  package memory
    16  
    17  import (
    18  	"os"
    19  	"testing"
    20  
    21  	"github.com/tickoalcantara12/micro/v3/service/network/transport"
    22  )
    23  
    24  func TestMemoryTransport(t *testing.T) {
    25  	tr := NewTransport()
    26  
    27  	// bind / listen
    28  	l, err := tr.Listen("127.0.0.1:8080")
    29  	if err != nil {
    30  		t.Fatalf("Unexpected error listening %v", err)
    31  	}
    32  	defer l.Close()
    33  
    34  	// accept
    35  	go func() {
    36  		if err := l.Accept(func(sock transport.Socket) {
    37  			for {
    38  				var m transport.Message
    39  				if err := sock.Recv(&m); err != nil {
    40  					return
    41  				}
    42  				if len(os.Getenv("IN_TRAVIS_CI")) == 0 {
    43  					t.Logf("Server Received %s", string(m.Body))
    44  				}
    45  				if err := sock.Send(&transport.Message{
    46  					Body: []byte(`pong`),
    47  				}); err != nil {
    48  					return
    49  				}
    50  			}
    51  		}); err != nil {
    52  			t.Fatalf("Unexpected error accepting %v", err)
    53  		}
    54  	}()
    55  
    56  	// dial
    57  	c, err := tr.Dial("127.0.0.1:8080")
    58  	if err != nil {
    59  		t.Fatalf("Unexpected error dialing %v", err)
    60  	}
    61  	defer c.Close()
    62  
    63  	// send <=> receive
    64  	for i := 0; i < 3; i++ {
    65  		if err := c.Send(&transport.Message{
    66  			Body: []byte(`ping`),
    67  		}); err != nil {
    68  			return
    69  		}
    70  		var m transport.Message
    71  		if err := c.Recv(&m); err != nil {
    72  			return
    73  		}
    74  		if len(os.Getenv("IN_TRAVIS_CI")) == 0 {
    75  			t.Logf("Client Received %s", string(m.Body))
    76  		}
    77  	}
    78  
    79  }
    80  
    81  func TestListener(t *testing.T) {
    82  	tr := NewTransport()
    83  
    84  	// bind / listen on random port
    85  	l, err := tr.Listen(":0")
    86  	if err != nil {
    87  		t.Fatalf("Unexpected error listening %v", err)
    88  	}
    89  	defer l.Close()
    90  
    91  	// try again
    92  	l2, err := tr.Listen(":0")
    93  	if err != nil {
    94  		t.Fatalf("Unexpected error listening %v", err)
    95  	}
    96  	defer l2.Close()
    97  
    98  	// now make sure it still fails
    99  	l3, err := tr.Listen(":8080")
   100  	if err != nil {
   101  		t.Fatalf("Unexpected error listening %v", err)
   102  	}
   103  	defer l3.Close()
   104  
   105  	if _, err := tr.Listen(":8080"); err == nil {
   106  		t.Fatal("Expected error binding to :8080 got nil")
   107  	}
   108  }