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probablistic test

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This commit is contained in:
tycho garen
2022-06-17 13:28:12 -04:00
parent eaf40587ad
commit c60c7ec383
1 changed files with 16 additions and 9 deletions
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internal/p2p/peermanager_test.go
+16 -9
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@@ -1781,17 +1781,24 @@ func TestPeerManager_Advertise(t *testing.T) {
require.Empty(t, peerManager.Advertise(aID, 0))
// Asking for 2 addresses should get two addresses
// the content of the list when there are two
addrs := peerManager.Advertise(dID, 2)
require.Len(t, addrs, 2)
for _, addr := range addrs {
if dID == addr.NodeID {
t.Fatal("never advertise self")
}
if cID == addr.NodeID {
t.Fatal("should not have returned the lowest ranked peer")
// and ususally not the lowest ranked one
numLowestRanked := 0
for i := 0; i < 100; i++ {
addrs := peerManager.Advertise(dID, 2)
require.Len(t, addrs, 2)
for _, addr := range addrs {
if dID == addr.NodeID {
t.Fatal("never advertise self")
}
if cID == addr.NodeID {
numLowestRanked++
}
}
}
if numLowestRanked > 20 {
t.Errorf("lowest ranked peer returned in results too often: %d", numLowestRanked)
}
}
func TestPeerManager_Advertise_Self(t *testing.T) {