queue_test.go

package queue

import (
	"testing"

	peer "github.com/jbenet/go-ipfs/peer"
	u "github.com/jbenet/go-ipfs/util"
)

func newPeer(id string) *peer.Peer {
	return &peer.Peer{ID: peer.ID(id)}
}

func TestPeerstore(t *testing.T) {

	p1 := newPeer("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31")
	p2 := newPeer("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a32")
	p3 := newPeer("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33")
	p4 := newPeer("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a34")
	p5 := newPeer("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31")

	// these are the peer.IDs' XORKeySpace Key values:
	// [228 47 151 130 156 102 222 232 218 31 132 94 170 208 80 253 120 103 55 35 91 237 48 157 81 245 57 247 66 150 9 40]
	// [26 249 85 75 54 49 25 30 21 86 117 62 85 145 48 175 155 194 210 216 58 14 241 143 28 209 129 144 122 28 163 6]
	// [78 135 26 216 178 181 224 181 234 117 2 248 152 115 255 103 244 34 4 152 193 88 9 225 8 127 216 158 226 8 236 246]
	// [125 135 124 6 226 160 101 94 192 57 39 12 18 79 121 140 190 154 147 55 44 83 101 151 63 255 94 179 51 203 241 51]

	pq := NewXORDistancePQ(u.Key("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31"))
	pq.Enqueue(p3)
	pq.Enqueue(p1)
	pq.Enqueue(p2)
	pq.Enqueue(p4)
	pq.Enqueue(p5)
	pq.Enqueue(p1)

	// should come out as: p1, p4, p3, p2

	if d := pq.Dequeue(); d != p1 && d != p5 {
		t.Error("ordering failed")
	}

	if d := pq.Dequeue(); d != p1 && d != p5 {
		t.Error("ordering failed")
	}

	if d := pq.Dequeue(); d != p1 && d != p5 {
		t.Error("ordering failed")
	}

	if pq.Dequeue() != p4 {
		t.Error("ordering failed")
	}

	if pq.Dequeue() != p3 {
		t.Error("ordering failed")
	}

	if pq.Dequeue() != p2 {
		t.Error("ordering failed")
	}

}