mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-25 16:15:17 +00:00
103 lines
2.9 KiB
Go
103 lines
2.9 KiB
Go
package rtrefresh
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import (
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"context"
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"strconv"
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"testing"
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"time"
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"github.com/libp2p/go-libp2p/core/test"
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kb "github.com/libp2p/go-libp2p-kbucket"
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pstore "github.com/libp2p/go-libp2p/p2p/host/peerstore"
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"github.com/stretchr/testify/require"
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)
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func TestSkipRefreshOnGapCpls(t *testing.T) {
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t.Skip("This test is flaky, see https://github.com/libp2p/go-libp2p-kad-dht/issues/722.")
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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local := test.RandPeerIDFatal(t)
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// adds a peer for a cpl.
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// The "ignoreCpl" is the cpl for which we assume we have no peers in the network.
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// So. if the query function gets a "key" which is basically tha stringed version of the "ignoreCpl",
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// we return without adding any peers for it to the Routing Table.
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qFuncWithIgnore := func(rt *kb.RoutingTable, ignoreCpl uint) func(c context.Context, key string) error {
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return func(c context.Context, key string) error {
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if key == string(local) {
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return nil
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}
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u, err := strconv.ParseInt(key, 10, 64)
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require.NoError(t, err)
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if uint(u) == ignoreCpl {
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return nil
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}
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p, err := rt.GenRandPeerID(uint(u))
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require.NoError(t, err)
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b, err := rt.TryAddPeer(p, true, false)
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require.NoError(t, err)
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require.True(t, b)
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return nil
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}
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}
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// We use the cpl as the key for the query. So, the cpl -> key transformation function
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// basically just converts the uint cpl to a string key using the strconv lib.
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kfnc := func(cpl uint) (string, error) {
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return strconv.FormatInt(int64(cpl), 10), nil
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}
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// when 2*gapcpl < maxCpl
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// gap is 2 and max is 10
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rt, err := kb.NewRoutingTable(2, kb.ConvertPeerID(local), time.Hour, pstore.NewMetrics(), 100*time.Hour, nil)
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require.NoError(t, err)
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r := &RtRefreshManager{ctx: ctx, rt: rt, refreshKeyGenFnc: kfnc, dhtPeerId: local}
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icpl := uint(2)
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lastCpl := 2 * (icpl + 1)
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p, err := rt.GenRandPeerID(10)
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require.NoError(t, err)
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b, _ := rt.TryAddPeer(p, true, false)
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require.True(t, b)
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r.refreshQueryFnc = qFuncWithIgnore(rt, icpl)
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require.NoError(t, r.doRefresh(ctx, true))
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for i := uint(0); i < lastCpl+1; i++ {
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if i == icpl {
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require.Equal(t, 0, rt.NPeersForCpl(i))
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continue
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}
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require.Equal(t, 1, rt.NPeersForCpl(uint(i)))
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}
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for i := lastCpl + 1; i < 10; i++ {
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require.Equal(t, 0, rt.NPeersForCpl(i))
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}
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// when 2 * (gapcpl + 1) > maxCpl
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rt, err = kb.NewRoutingTable(2, kb.ConvertPeerID(local), time.Hour, pstore.NewMetrics(), 100*time.Hour, nil)
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require.NoError(t, err)
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r = &RtRefreshManager{ctx: ctx, rt: rt, refreshKeyGenFnc: kfnc, dhtPeerId: local}
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icpl = uint(6)
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p, err = rt.GenRandPeerID(10)
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require.NoError(t, err)
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b, _ = rt.TryAddPeer(p, true, false)
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require.True(t, b)
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r.refreshQueryFnc = qFuncWithIgnore(rt, icpl)
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require.NoError(t, r.doRefresh(ctx, true))
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for i := uint(0); i < 10; i++ {
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if i == icpl {
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require.Equal(t, 0, rt.NPeersForCpl(i))
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continue
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}
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require.Equal(t, 1, rt.NPeersForCpl(uint(i)))
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}
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require.Equal(t, 2, rt.NPeersForCpl(10))
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}
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