go.nanomsg.org/mangos/v3@v3.4.3-0.20240217232803-46464076f1f5/internal/test/closed.go (about)

     1  // Copyright 2019 The Mangos Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use file except in compliance with the License.
     5  // You may obtain a copy of the license at
     6  //
     7  //    http://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  package test
    16  
    17  import (
    18  	"sync"
    19  	"testing"
    20  	"time"
    21  
    22  	"go.nanomsg.org/mangos/v3"
    23  	"go.nanomsg.org/mangos/v3/protocol"
    24  )
    25  
    26  // VerifyClosedSend verifies that Send on the socket created returns protocol.ErrClosed if it is closed.
    27  func VerifyClosedSend(t *testing.T, f func() (mangos.Socket, error)) {
    28  	s, err := f()
    29  	MustSucceed(t, err)
    30  	MustSucceed(t, s.Close())
    31  	err = s.Send([]byte{})
    32  	MustFail(t, err)
    33  	MustBeTrue(t, err == protocol.ErrClosed)
    34  }
    35  
    36  // VerifyClosedRecv verifies that Recv on the socket created returns protocol.ErrClosed if it is closed.
    37  func VerifyClosedRecv(t *testing.T, f func() (mangos.Socket, error)) {
    38  	s, err := f()
    39  	MustSucceed(t, err)
    40  	MustSucceed(t, s.Close())
    41  	_, err = s.Recv()
    42  	MustFail(t, err)
    43  	MustBeTrue(t, err == protocol.ErrClosed)
    44  }
    45  
    46  // VerifyClosedClose verifies that Close on an already closed socket returns protocol.ErrClosed.
    47  func VerifyClosedClose(t *testing.T, f func() (mangos.Socket, error)) {
    48  	s, err := f()
    49  	MustSucceed(t, err)
    50  	MustSucceed(t, s.Close())
    51  	err = s.Close()
    52  	MustFail(t, err)
    53  	MustBeTrue(t, err == protocol.ErrClosed)
    54  }
    55  
    56  // VerifyClosedListen verifies that Listen returns protocol.ErrClosed on a closed socket.
    57  func VerifyClosedListen(t *testing.T, f func() (mangos.Socket, error)) {
    58  	s := GetSocket(t, f)
    59  	AddMockTransport()
    60  	MustClose(t, s)
    61  	MustBeError(t, s.Listen(AddrMock()), protocol.ErrClosed)
    62  }
    63  
    64  // VerifyClosedDial verifies that Dial returns protocol.ErrClosed on a closed socket.
    65  func VerifyClosedDial(t *testing.T, f func() (mangos.Socket, error)) {
    66  	s := GetSocket(t, f)
    67  	AddMockTransport()
    68  	MustClose(t, s)
    69  	err := s.DialOptions(AddrMock(), map[string]interface{}{
    70  		mangos.OptionDialAsynch: true,
    71  	})
    72  	MustBeError(t, err, protocol.ErrClosed)
    73  }
    74  
    75  func VerifyClosedAddPipe(t *testing.T, f func() (mangos.Socket, error)) {
    76  	AddMockTransport()
    77  	s := GetSocket(t, f)
    78  	peer := s.Info().Peer
    79  	d, mc := GetMockDialer(t, s)
    80  	var wg sync.WaitGroup
    81  	wg.Add(1)
    82  	pass := false
    83  	go func() {
    84  		defer wg.Done()
    85  		// The pipe is connected, but then immediately detached.
    86  		MustSucceed(t, d.Dial())
    87  		pass = true
    88  	}()
    89  
    90  	time.Sleep(time.Millisecond * 10)
    91  	mc.DeferClose(true)
    92  	MustSucceed(t, s.Close())
    93  	time.Sleep(time.Millisecond * 20)
    94  	mp := mc.NewPipe(peer)
    95  	MustSucceed(t, mc.AddPipe(mp))
    96  	time.Sleep(time.Millisecond * 10)
    97  	mc.DeferClose(false)
    98  	wg.Wait()
    99  	MustBeTrue(t, pass)
   100  }
   101  
   102  func VerifyClosedContext(t *testing.T, f func() (mangos.Socket, error)) {
   103  	s := GetSocket(t, f)
   104  	c, e := s.OpenContext()
   105  	MustSucceed(t, e)
   106  	MustNotBeNil(t, c)
   107  	MustSucceed(t, c.Close())
   108  	MustBeError(t, c.Close(), mangos.ErrClosed)
   109  
   110  	c, e = s.OpenContext()
   111  	MustSucceed(t, e)
   112  	MustNotBeNil(t, c)
   113  
   114  	MustSucceed(t, s.Close())
   115  	MustBeError(t, c.Close(), mangos.ErrClosed)
   116  
   117  	_, e = s.OpenContext()
   118  	MustBeError(t, e, mangos.ErrClosed)
   119  }