nim-codex/tests/codex/blockexchange/testpeerctxstore.nim

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import std/sugar
import std/sequtils
import pkg/unittest2
import pkg/libp2p
2022-05-19 19:56:03 +00:00
import pkg/codex/blockexchange/peers
import pkg/codex/blockexchange/protobuf/blockexc
import pkg/codex/blockexchange/protobuf/presence
import ../helpers
import ../examples
checksuite "Peer Context Store":
var
store: PeerCtxStore
peerCtx: BlockExcPeerCtx
setup:
store = PeerCtxStore.new()
peerCtx = BlockExcPeerCtx.example
store.add(peerCtx)
test "Should add peer":
check peerCtx.id in store
test "Should remove peer":
store.remove(peerCtx.id)
check peerCtx.id notin store
test "Should get peer":
check store.get(peerCtx.id) == peerCtx
checksuite "Peer Context Store Peer Selection":
var
store: PeerCtxStore
peerCtxs: seq[BlockExcPeerCtx]
cids: seq[Cid]
setup:
store = PeerCtxStore.new()
cids = collect(newSeq):
for i in 0..<10: Cid.example
peerCtxs = collect(newSeq):
for i in 0..<10: BlockExcPeerCtx.example
for p in peerCtxs:
store.add(p)
teardown:
store = nil
cids = @[]
peerCtxs = @[]
test "Should select peers that have Cid":
peerCtxs[0].blocks = collect(initTable):
for i, c in cids:
{ c: Presence(cid: c, price: i.u256) }
peerCtxs[5].blocks = collect(initTable):
for i, c in cids:
{ c: Presence(cid: c, price: i.u256) }
let
peers = store.peersHave(cids[0])
check peers.len == 2
check peerCtxs[0] in peers
check peerCtxs[5] in peers
test "Should select cheapest peers for Cid":
peerCtxs[0].blocks = collect(initTable):
for i, c in cids:
{ c: Presence(cid: c, price: (5 + i).u256) }
peerCtxs[5].blocks = collect(initTable):
for i, c in cids:
{ c: Presence(cid: c, price: (2 + i).u256) }
peerCtxs[9].blocks = collect(initTable):
for i, c in cids:
{ c: Presence(cid: c, price: i.u256) }
let
peers = store.selectCheapest(cids[0])
check peers.len == 3
check peers[0] == peerCtxs[9]
check peers[1] == peerCtxs[5]
check peers[2] == peerCtxs[0]
test "Should select peers that want Cid":
let
entries = cids.mapIt(
Entry(
`block`: it.data.buffer,
priority: 1,
cancel: false,
wantType: WantType.WantBlock,
sendDontHave: false))
peerCtxs[0].peerWants = entries
peerCtxs[5].peerWants = entries
let
peers = store.peersWant(cids[4])
check peers.len == 2
check peerCtxs[0] in peers
check peerCtxs[5] in peers