| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "slices" |
| 5 | "testing" |
| 6 | "time" |
| 7 | |
| 8 | "github.com/ipfs/kubo/test/cli/harness" |
| 9 | . "github.com/ipfs/kubo/test/cli/testutils" |
| 10 | "github.com/libp2p/go-libp2p/core/peer" |
| 11 | "github.com/stretchr/testify/assert" |
| 12 | ) |
| 13 | |
| 14 | func TestPeering(t *testing.T) { |
| 15 | t.Parallel() |
| 16 | |
| 17 | containsPeerID := func(p peer.ID, peers []peer.ID) bool { |
| 18 | return slices.Contains(peers, p) |
| 19 | } |
| 20 | |
| 21 | assertPeered := func(h *harness.Harness, from *harness.Node, to *harness.Node) { |
| 22 | assert.Eventuallyf(t, func() bool { |
| 23 | fromPeers := from.Peers() |
| 24 | if len(fromPeers) == 0 { |
| 25 | return false |
| 26 | } |
| 27 | var fromPeerIDs []peer.ID |
| 28 | for _, p := range fromPeers { |
| 29 | fromPeerIDs = append(fromPeerIDs, h.ExtractPeerID(p)) |
| 30 | } |
| 31 | return containsPeerID(to.PeerID(), fromPeerIDs) |
| 32 | }, time.Minute, 10*time.Millisecond, "%d -> %d not peered", from.ID, to.ID) |
| 33 | } |
| 34 | |
| 35 | assertNotPeered := func(h *harness.Harness, from *harness.Node, to *harness.Node) { |
| 36 | assert.Eventuallyf(t, func() bool { |
| 37 | fromPeers := from.Peers() |
| 38 | if len(fromPeers) == 0 { |
| 39 | return false |
| 40 | } |
| 41 | var fromPeerIDs []peer.ID |
| 42 | for _, p := range fromPeers { |
| 43 | fromPeerIDs = append(fromPeerIDs, h.ExtractPeerID(p)) |
| 44 | } |
| 45 | return !containsPeerID(to.PeerID(), fromPeerIDs) |
| 46 | }, 20*time.Second, 10*time.Millisecond, "%d -> %d peered", from.ID, to.ID) |
| 47 | } |
| 48 | |
| 49 | assertPeerings := func(h *harness.Harness, nodes []*harness.Node, peerings []harness.Peering) { |
| 50 | ForEachPar(peerings, func(peering harness.Peering) { |
| 51 | assertPeered(h, nodes[peering.From], nodes[peering.To]) |
| 52 | }) |
| 53 | } |
| 54 | |
| 55 | t.Run("bidirectional peering should work (simultaneous connect)", func(t *testing.T) { |
| 56 | t.Parallel() |
| 57 | peerings := []harness.Peering{{From: 0, To: 1}, {From: 1, To: 0}, {From: 1, To: 2}} |
| 58 | h, nodes := harness.CreatePeerNodes(t, 3, peerings) |
| 59 | |
| 60 | nodes.StartDaemons() |
| 61 | defer nodes.StopDaemons() |
| 62 | assertPeerings(h, nodes, peerings) |
| 63 | |
| 64 | nodes[0].Disconnect(nodes[1]) |
| 65 | assertPeerings(h, nodes, peerings) |
| 66 | }) |
| 67 | |
| 68 | t.Run("1 should reconnect to 2 when 2 disconnects from 1", func(t *testing.T) { |
| 69 | t.Parallel() |
| 70 | peerings := []harness.Peering{{From: 0, To: 1}, {From: 1, To: 0}, {From: 1, To: 2}} |
| 71 | h, nodes := harness.CreatePeerNodes(t, 3, peerings) |
| 72 | |
| 73 | nodes.StartDaemons() |
| 74 | defer nodes.StopDaemons() |
| 75 | assertPeerings(h, nodes, peerings) |
| 76 | |
| 77 | nodes[2].Disconnect(nodes[1]) |
| 78 | assertPeerings(h, nodes, peerings) |
| 79 | }) |
| 80 | |
| 81 | t.Run("1 will peer with 2 when it comes online", func(t *testing.T) { |
| 82 | t.Parallel() |
| 83 | peerings := []harness.Peering{{From: 0, To: 1}, {From: 1, To: 0}, {From: 1, To: 2}} |
| 84 | h, nodes := harness.CreatePeerNodes(t, 3, peerings) |
| 85 | |
| 86 | defer nodes.StopDaemons() |
| 87 | nodes[0].StartDaemon() |
| 88 | nodes[1].StartDaemon() |
| 89 | assertPeerings(h, nodes, []harness.Peering{{From: 0, To: 1}, {From: 1, To: 0}}) |
| 90 | |
| 91 | nodes[2].StartDaemon() |
| 92 | assertPeerings(h, nodes, peerings) |
| 93 | }) |
| 94 | |
| 95 | t.Run("1 will re-peer with 2 when it disconnects and then comes back online", func(t *testing.T) { |
| 96 | t.Parallel() |
| 97 | peerings := []harness.Peering{{From: 0, To: 1}, {From: 1, To: 0}, {From: 1, To: 2}} |
| 98 | h, nodes := harness.CreatePeerNodes(t, 3, peerings) |
| 99 | |
| 100 | nodes.StartDaemons() |
| 101 | defer nodes.StopDaemons() |
| 102 | assertPeerings(h, nodes, peerings) |
| 103 | |
| 104 | nodes[2].StopDaemon() |
| 105 | assertNotPeered(h, nodes[1], nodes[2]) |
| 106 | |
| 107 | nodes[2].StartDaemon() |
| 108 | assertPeerings(h, nodes, peerings) |
| 109 | }) |
| 110 | } |