github.com/lzy4123/fabric@v2.1.1+incompatible/gossip/util/msgs_test.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package util
     8  
     9  import (
    10  	"testing"
    11  
    12  	proto "github.com/hyperledger/fabric-protos-go/gossip"
    13  	"github.com/hyperledger/fabric/gossip/common"
    14  	"github.com/hyperledger/fabric/gossip/protoext"
    15  	"github.com/stretchr/testify/assert"
    16  )
    17  
    18  func init() {
    19  	SetupTestLogging()
    20  }
    21  
    22  func TestMembershipStore(t *testing.T) {
    23  	membershipStore := NewMembershipStore()
    24  
    25  	id1 := common.PKIidType("id1")
    26  	id2 := common.PKIidType("id2")
    27  
    28  	msg1 := &protoext.SignedGossipMessage{}
    29  	msg2 := &protoext.SignedGossipMessage{Envelope: &proto.Envelope{}}
    30  
    31  	// Test initially created store is empty
    32  	assert.Nil(t, membershipStore.MsgByID(id1))
    33  	assert.Equal(t, membershipStore.Size(), 0)
    34  	// Test put works as expected
    35  	membershipStore.Put(id1, msg1)
    36  	assert.NotNil(t, membershipStore.MsgByID(id1))
    37  	// Test MsgByID returns the right instance stored
    38  	membershipStore.Put(id2, msg2)
    39  	assert.Equal(t, msg1, membershipStore.MsgByID(id1))
    40  	assert.NotEqual(t, msg2, membershipStore.MsgByID(id1))
    41  	// Test capacity grows
    42  	assert.Equal(t, membershipStore.Size(), 2)
    43  	// Test remove works
    44  	membershipStore.Remove(id1)
    45  	assert.Nil(t, membershipStore.MsgByID(id1))
    46  	assert.Equal(t, membershipStore.Size(), 1)
    47  	// Test returned instance is not a copy
    48  	msg3 := &protoext.SignedGossipMessage{GossipMessage: &proto.GossipMessage{}}
    49  	msg3Clone := &protoext.SignedGossipMessage{GossipMessage: &proto.GossipMessage{}}
    50  	id3 := common.PKIidType("id3")
    51  	membershipStore.Put(id3, msg3)
    52  	assert.Equal(t, msg3Clone, msg3)
    53  	membershipStore.MsgByID(id3).Channel = []byte{0, 1, 2, 3}
    54  	assert.NotEqual(t, msg3Clone, msg3)
    55  }
    56  
    57  func TestToSlice(t *testing.T) {
    58  	membershipStore := NewMembershipStore()
    59  	id1 := common.PKIidType("id1")
    60  	id2 := common.PKIidType("id2")
    61  	id3 := common.PKIidType("id3")
    62  	id4 := common.PKIidType("id4")
    63  
    64  	msg1 := &protoext.SignedGossipMessage{}
    65  	msg2 := &protoext.SignedGossipMessage{Envelope: &proto.Envelope{}}
    66  	msg3 := &protoext.SignedGossipMessage{GossipMessage: &proto.GossipMessage{}}
    67  	msg4 := &protoext.SignedGossipMessage{GossipMessage: &proto.GossipMessage{}, Envelope: &proto.Envelope{}}
    68  
    69  	membershipStore.Put(id1, msg1)
    70  	membershipStore.Put(id2, msg2)
    71  	membershipStore.Put(id3, msg3)
    72  	membershipStore.Put(id4, msg4)
    73  
    74  	assert.Len(t, membershipStore.ToSlice(), 4)
    75  
    76  	existsInSlice := func(slice []*protoext.SignedGossipMessage, msg *protoext.SignedGossipMessage) bool {
    77  		for _, m := range slice {
    78  			if assert.ObjectsAreEqual(m, msg) {
    79  				return true
    80  			}
    81  		}
    82  		return false
    83  	}
    84  
    85  	expectedMsgs := []*protoext.SignedGossipMessage{msg1, msg2, msg3, msg4}
    86  	for _, msg := range membershipStore.ToSlice() {
    87  		assert.True(t, existsInSlice(expectedMsgs, msg))
    88  	}
    89  
    90  }