Add gossipsub parameter test

beacon-chain/p2p/BUILD.bazel

@@ -22,10 +22,14 @@ go_library(
 
 go_test(
     name = "go_default_test",
-    srcs = ["service_test.go"],
+    srcs = [
+        "parameter_test.go",
+        "service_test.go",
+    ],
     embed = [":go_default_library"],
     deps = [
         "//shared/testutil:go_default_library",
+        "@com_github_libp2p_go_libp2p_pubsub//:go_default_library",
         "@com_github_sirupsen_logrus//hooks/test:go_default_library",
     ],
 )

beacon-chain/p2p/parameter_test.go

@@ -0,0 +1,69 @@
+package p2p
+
+import (
+	"testing"
+
+    "github.com/libp2p/go-libp2p-pubsub"
+)
+
+const (
+	// overlay parameters
+	gossipSubD   = 6 // topic stable mesh target count
+	gossipSubDlo = 4 // topic stable mesh low watermark
+	gossipSubDhi = 12 // topic stable mesh high watermark
+
+	// gossip parameters
+	gossipSubHistoryLength = 5 // number of heartbeat intervals to retain message IDs
+	gossipSubHistoryGossip = 3 // number of windows to gossip about
+
+	// fanout ttl
+	gossipSubFanoutTTL = 60000000000 // TTL for fanout maps for topics we are not subscribed to but have published to, in nano seconds
+
+	// heartbeat interval
+	gossipSubHeartbeatInterval = 1000000000 // frequency of heartbeat, in nano seconds
+
+	// misc
+	randomSubD = 6 // random gossip target
+)
+
+func TestOverlayParameters(t *testing.T) {
+	if pubsub.GossipSubD != gossipSubD {
+		t.Errorf("gossipSubD, wanted: %d, got: %d", gossipSubD, pubsub.GossipSubD)
+	}
+
+	if pubsub.GossipSubDlo != gossipSubDlo {
+		t.Errorf("gossipSubDlo, wanted: %d, got: %d", gossipSubDlo, pubsub.GossipSubDlo)
+	}
+
+	if pubsub.GossipSubDhi != gossipSubDhi {
+		t.Errorf("gossipSubDhi, wanted: %d, got: %d", gossipSubDhi, pubsub.GossipSubDhi)
+	}
+}
+
+func TestGossipParameters(t *testing.T) {
+	if pubsub.GossipSubHistoryLength != gossipSubHistoryLength {
+		t.Errorf("gossipSubHistoryLength, wanted: %d, got: %d", gossipSubHistoryLength, pubsub.GossipSubHistoryLength)
+	}
+
+	if pubsub.GossipSubHistoryGossip != gossipSubHistoryGossip {
+		t.Errorf("gossipSubHistoryGossip, wanted: %d, got: %d", gossipSubHistoryGossip, pubsub.GossipSubDlo)
+	}
+}
+
+func TestFanoutParameters(t *testing.T) {
+	if pubsub.GossipSubFanoutTTL != gossipSubFanoutTTL {
+		t.Errorf("gossipSubFanoutTTL, wanted: %d, got: %d", gossipSubFanoutTTL, pubsub.GossipSubFanoutTTL)
+	}
+}
+
+func TestHeartbeatParameters(t *testing.T) {
+	if pubsub.GossipSubHeartbeatInterval != gossipSubHeartbeatInterval {
+		t.Errorf("gossipSubHeartbeatInterval, wanted: %d, got: %d", gossipSubHeartbeatInterval, pubsub.GossipSubHeartbeatInterval)
+	}
+}
+
+func TestMiscParameters(t *testing.T) {
+	if pubsub.RandomSubD != randomSubD {
+		t.Errorf("randomSubD, wanted: %d, got: %d", randomSubD, pubsub.RandomSubD)
+	}
+}