github.com/yous1230/fabric@v2.0.0-beta.0.20191224111736-74345bee6ac2+incompatible/core/scc/inprocstream_test.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package scc
     8  
     9  import (
    10  	"testing"
    11  
    12  	pb "github.com/hyperledger/fabric-protos-go/peer"
    13  	"github.com/stretchr/testify/assert"
    14  )
    15  
    16  func TestSend(t *testing.T) {
    17  	ch := make(chan *pb.ChaincodeMessage)
    18  
    19  	stream := newInProcStream(ch, ch)
    20  
    21  	//good send (non-blocking send and receive)
    22  	msg := &pb.ChaincodeMessage{}
    23  	go stream.Send(msg)
    24  	msg2, _ := stream.Recv()
    25  	assert.Equal(t, msg, msg2, "send != recv")
    26  
    27  	//close the channel
    28  	close(ch)
    29  
    30  	//bad send, should panic, unblock and return error
    31  	err := stream.Send(msg)
    32  	assert.NotNil(t, err, "should have errored on panic")
    33  }
    34  
    35  func TestRecvChannelClosedError(t *testing.T) {
    36  	ch := make(chan *pb.ChaincodeMessage)
    37  
    38  	stream := newInProcStream(ch, ch)
    39  
    40  	// Close the channel
    41  	close(ch)
    42  
    43  	// Trying to call a closed receive channel should return an error
    44  	_, err := stream.Recv()
    45  	if assert.Error(t, err, "Should return an error") {
    46  		assert.Contains(t, err.Error(), "channel is closed")
    47  	}
    48  }