messagequeue_test.go 5.93 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
package messagequeue

import (
	"context"
	"math/rand"
	"reflect"
	"sync"
	"testing"
	"time"

	"github.com/ipfs/go-graphsync/testutil"

	gsmsg "github.com/ipfs/go-graphsync/message"
	gsnet "github.com/ipfs/go-graphsync/network"

	peer "github.com/libp2p/go-libp2p-peer"
)

type fakeMessageNetwork struct {
	connectError       error
	messageSenderError error
	messageSender      gsnet.MessageSender
	wait               *sync.WaitGroup
}

func (fmn *fakeMessageNetwork) ConnectTo(context.Context, peer.ID) error {
	return fmn.connectError
}

func (fmn *fakeMessageNetwork) NewMessageSender(context.Context, peer.ID) (gsnet.MessageSender, error) {
	fmn.wait.Done()
	if fmn.messageSenderError == nil {
		return fmn.messageSender, nil
	}
	return nil, fmn.messageSenderError
}

type fakeMessageSender struct {
	sendError    error
	fullClosed   chan<- struct{}
	reset        chan<- struct{}
	messagesSent chan<- gsmsg.GraphSyncMessage
}

func (fms *fakeMessageSender) SendMsg(ctx context.Context, msg gsmsg.GraphSyncMessage) error {
	fms.messagesSent <- msg
	return fms.sendError
}
func (fms *fakeMessageSender) Close() error { fms.fullClosed <- struct{}{}; return nil }
func (fms *fakeMessageSender) Reset() error { fms.reset <- struct{}{}; return nil }

func TestStartupAndShutdown(t *testing.T) {
	ctx := context.Background()
	ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
	defer cancel()

	peer := testutil.GeneratePeers(1)[0]
	messagesSent := make(chan gsmsg.GraphSyncMessage)
	resetChan := make(chan struct{}, 1)
	fullClosedChan := make(chan struct{}, 1)
	messageSender := &fakeMessageSender{nil, fullClosedChan, resetChan, messagesSent}
	var waitGroup sync.WaitGroup
	messageNetwork := &fakeMessageNetwork{nil, nil, messageSender, &waitGroup}

	messageQueue := New(ctx, peer, messageNetwork)
	messageQueue.Startup()
	id := gsmsg.GraphSyncRequestID(rand.Int31())
	priority := gsmsg.GraphSyncPriority(rand.Int31())
	selector := testutil.RandomBytes(100)

	waitGroup.Add(1)
	messageQueue.AddRequest(id, selector, priority)

	select {
	case <-ctx.Done():
		t.Fatal("message was not sent")
	case <-messagesSent:
	}

	messageQueue.Shutdown()

	select {
	case <-resetChan:
		t.Fatal("message sender should have been closed but was reset")
	case <-fullClosedChan:
	case <-ctx.Done():
		t.Fatal("message sender should have been closed but wasn't")
	}
}

91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136
func TestProcessingNotification(t *testing.T) {
	ctx := context.Background()
	ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
	defer cancel()

	peer := testutil.GeneratePeers(1)[0]
	messagesSent := make(chan gsmsg.GraphSyncMessage)
	resetChan := make(chan struct{}, 1)
	fullClosedChan := make(chan struct{}, 1)
	messageSender := &fakeMessageSender{nil, fullClosedChan, resetChan, messagesSent}
	var waitGroup sync.WaitGroup
	messageNetwork := &fakeMessageNetwork{nil, nil, messageSender, &waitGroup}

	messageQueue := New(ctx, peer, messageNetwork)
	waitGroup.Add(1)
	blks := testutil.GenerateBlocksOfSize(3, 128)

	blocksProcessing := messageQueue.AddBlocks(blks)
	select {
	case <-blocksProcessing:
		t.Fatal("Blocks should not be processing but already received notification")
	default:
	}

	// wait for send attempt
	messageQueue.Startup()
	waitGroup.Wait()
	select {
	case <-blocksProcessing:
	case <-ctx.Done():
		t.Fatal("blocks should have been processed but were not")
	}

	select {
	case <-ctx.Done():
		t.Fatal("no messages were sent")
	case message := <-messagesSent:
		receivedBlocks := message.Blocks()
		for _, block := range receivedBlocks {
			if !testutil.ContainsBlock(blks, block) {
				t.Fatal("sent incorrect block")
			}
		}
	}
}

137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211
func TestDedupingMessages(t *testing.T) {
	ctx := context.Background()
	ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
	defer cancel()

	peer := testutil.GeneratePeers(1)[0]
	messagesSent := make(chan gsmsg.GraphSyncMessage)
	resetChan := make(chan struct{}, 1)
	fullClosedChan := make(chan struct{}, 1)
	messageSender := &fakeMessageSender{nil, fullClosedChan, resetChan, messagesSent}
	var waitGroup sync.WaitGroup
	messageNetwork := &fakeMessageNetwork{nil, nil, messageSender, &waitGroup}

	messageQueue := New(ctx, peer, messageNetwork)
	messageQueue.Startup()
	waitGroup.Add(1)
	id := gsmsg.GraphSyncRequestID(rand.Int31())
	priority := gsmsg.GraphSyncPriority(rand.Int31())
	selector := testutil.RandomBytes(100)

	messageQueue.AddRequest(id, selector, priority)
	// wait for send attempt
	waitGroup.Wait()
	id2 := gsmsg.GraphSyncRequestID(rand.Int31())
	priority2 := gsmsg.GraphSyncPriority(rand.Int31())
	selector2 := testutil.RandomBytes(100)
	id3 := gsmsg.GraphSyncRequestID(rand.Int31())
	priority3 := gsmsg.GraphSyncPriority(rand.Int31())
	selector3 := testutil.RandomBytes(100)
	messageQueue.AddRequest(id2, selector2, priority2)
	messageQueue.AddRequest(id3, selector3, priority3)

	select {
	case <-ctx.Done():
		t.Fatal("no messages were sent")
	case message := <-messagesSent:
		requests := message.Requests()
		if len(requests) != 1 {
			t.Fatal("Incorrect number of requests in first message")
		}
		request := requests[0]
		if request.ID() != id ||
			request.IsCancel() != false ||
			request.Priority() != priority ||
			!reflect.DeepEqual(request.Selector(), selector) {
			t.Fatal("Did not properly add request to message")
		}
	}
	select {
	case <-ctx.Done():
		t.Fatal("no messages were sent")
	case message := <-messagesSent:
		requests := message.Requests()
		if len(requests) != 2 {
			t.Fatal("Incorrect number of requests in second message")
		}
		for _, request := range requests {
			if request.ID() == id2 {
				if request.IsCancel() != false ||
					request.Priority() != priority2 ||
					!reflect.DeepEqual(request.Selector(), selector2) {
					t.Fatal("Did not properly add request to message")
				}
			} else if request.ID() == id3 {
				if request.IsCancel() != false ||
					request.Priority() != priority3 ||
					!reflect.DeepEqual(request.Selector(), selector3) {
					t.Fatal("Did not properly add request to message")
				}
			} else {
				t.Fatal("incorrect request added to message")
			}
		}
	}
}